1 /* Copyright (c) 2006-2009 Jonas Fonseca <fonseca@diku.dk>
3 * This program is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU General Public License as
5 * published by the Free Software Foundation; either version 2 of
6 * the License, or (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
19 #define TIG_VERSION "unknown-version"
34 #include <sys/types.h>
37 #include <sys/select.h>
48 /* ncurses(3): Must be defined to have extended wide-character functions. */
49 #define _XOPEN_SOURCE_EXTENDED
51 #ifdef HAVE_NCURSESW_NCURSES_H
52 #include <ncursesw/ncurses.h>
54 #ifdef HAVE_NCURSES_NCURSES_H
55 #include <ncurses/ncurses.h>
62 #define __NORETURN __attribute__((__noreturn__))
67 static void __NORETURN die(const char *err, ...);
68 static void warn(const char *msg, ...);
69 static void report(const char *msg, ...);
70 static void set_nonblocking_input(bool loading);
71 static size_t utf8_length(const char **string, size_t col, int *width, size_t max_width, int *trimmed, bool reserve);
73 #define ABS(x) ((x) >= 0 ? (x) : -(x))
74 #define MIN(x, y) ((x) < (y) ? (x) : (y))
76 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
77 #define STRING_SIZE(x) (sizeof(x) - 1)
79 #define SIZEOF_STR 1024 /* Default string size. */
80 #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */
81 #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL. */
82 #define SIZEOF_ARG 32 /* Default argument array size. */
86 #define REVGRAPH_INIT 'I'
87 #define REVGRAPH_MERGE 'M'
88 #define REVGRAPH_BRANCH '+'
89 #define REVGRAPH_COMMIT '*'
90 #define REVGRAPH_BOUND '^'
92 #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */
94 /* This color name can be used to refer to the default term colors. */
95 #define COLOR_DEFAULT (-1)
97 #define ICONV_NONE ((iconv_t) -1)
99 #define ICONV_CONST /* nothing */
102 /* The format and size of the date column in the main view. */
103 #define DATE_FORMAT "%Y-%m-%d %H:%M"
104 #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ")
106 #define AUTHOR_COLS 20
109 /* The default interval between line numbers. */
110 #define NUMBER_INTERVAL 5
114 #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3)
116 #define NULL_ID "0000000000000000000000000000000000000000"
118 #define S_ISGITLINK(mode) (((mode) & S_IFMT) == 0160000)
121 #define GIT_CONFIG "config"
124 /* Some ASCII-shorthands fitted into the ncurses namespace. */
126 #define KEY_RETURN '\r'
131 char id[SIZEOF_REV]; /* Commit SHA1 ID */
132 unsigned int head:1; /* Is it the current HEAD? */
133 unsigned int tag:1; /* Is it a tag? */
134 unsigned int ltag:1; /* If so, is the tag local? */
135 unsigned int remote:1; /* Is it a remote ref? */
136 unsigned int tracked:1; /* Is it the remote for the current HEAD? */
137 char name[1]; /* Ref name; tag or head names are shortened. */
141 char id[SIZEOF_REV]; /* Commit SHA1 ID */
142 size_t size; /* Number of refs. */
143 struct ref **refs; /* References for this ID. */
146 static struct ref_list *get_ref_list(const char *id);
147 static void foreach_ref(bool (*visitor)(void *data, struct ref *ref), void *data);
148 static int load_refs(void);
151 FORMAT_ALL, /* Perform replacement in all arguments. */
152 FORMAT_DASH, /* Perform replacement up until "--". */
153 FORMAT_NONE /* No replacement should be performed. */
156 static bool format_argv(const char *dst[], const char *src[], enum format_flags flags);
165 typedef enum input_status (*input_handler)(void *data, char *buf, int c);
167 static char *prompt_input(const char *prompt, input_handler handler, void *data);
168 static bool prompt_yesno(const char *prompt);
176 static bool prompt_menu(const char *prompt, const struct menu_item *items, int *selected);
179 * Allocation helpers ... Entering macro hell to never be seen again.
182 #define DEFINE_ALLOCATOR(name, type, chunk_size) \
184 name(type **mem, size_t size, size_t increase) \
186 size_t num_chunks = (size + chunk_size - 1) / chunk_size; \
187 size_t num_chunks_new = (size + increase + chunk_size - 1) / chunk_size;\
190 if (mem == NULL || num_chunks != num_chunks_new) { \
191 tmp = realloc(tmp, num_chunks_new * chunk_size * sizeof(type)); \
204 string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen)
206 if (srclen > dstlen - 1)
209 strncpy(dst, src, srclen);
213 /* Shorthands for safely copying into a fixed buffer. */
215 #define string_copy(dst, src) \
216 string_ncopy_do(dst, sizeof(dst), src, sizeof(src))
218 #define string_ncopy(dst, src, srclen) \
219 string_ncopy_do(dst, sizeof(dst), src, srclen)
221 #define string_copy_rev(dst, src) \
222 string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1)
224 #define string_add(dst, from, src) \
225 string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
228 string_expand(char *dst, size_t dstlen, const char *src, int tabsize)
232 for (size = pos = 0; size < dstlen - 1 && src[pos]; pos++) {
233 if (src[pos] == '\t') {
234 size_t expanded = tabsize - (size % tabsize);
236 if (expanded + size >= dstlen - 1)
237 expanded = dstlen - size - 1;
238 memcpy(dst + size, " ", expanded);
241 dst[size++] = src[pos];
249 chomp_string(char *name)
253 while (isspace(*name))
256 namelen = strlen(name) - 1;
257 while (namelen > 0 && isspace(name[namelen]))
264 string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...)
267 size_t pos = bufpos ? *bufpos : 0;
270 pos += vsnprintf(buf + pos, bufsize - pos, fmt, args);
276 return pos >= bufsize ? FALSE : TRUE;
279 #define string_format(buf, fmt, args...) \
280 string_nformat(buf, sizeof(buf), NULL, fmt, args)
282 #define string_format_from(buf, from, fmt, args...) \
283 string_nformat(buf, sizeof(buf), from, fmt, args)
286 string_enum_compare(const char *str1, const char *str2, int len)
290 #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.')
292 /* Diff-Header == DIFF_HEADER */
293 for (i = 0; i < len; i++) {
294 if (toupper(str1[i]) == toupper(str2[i]))
297 if (string_enum_sep(str1[i]) &&
298 string_enum_sep(str2[i]))
301 return str1[i] - str2[i];
313 #define ENUM_MAP(name, value) { name, STRING_SIZE(name), value }
316 map_enum_do(const struct enum_map *map, size_t map_size, int *value, const char *name)
318 size_t namelen = strlen(name);
321 for (i = 0; i < map_size; i++)
322 if (namelen == map[i].namelen &&
323 !string_enum_compare(name, map[i].name, namelen)) {
324 *value = map[i].value;
331 #define map_enum(attr, map, name) \
332 map_enum_do(map, ARRAY_SIZE(map), attr, name)
334 #define prefixcmp(str1, str2) \
335 strncmp(str1, str2, STRING_SIZE(str2))
338 suffixcmp(const char *str, int slen, const char *suffix)
340 size_t len = slen >= 0 ? slen : strlen(str);
341 size_t suffixlen = strlen(suffix);
343 return suffixlen < len ? strcmp(str + len - suffixlen, suffix) : -1;
348 mkdate(const time_t *time)
350 static char buf[DATE_COLS + 1];
354 return strftime(buf, sizeof(buf), DATE_FORMAT, &tm) ? buf : NULL;
359 argv_from_string(const char *argv[SIZEOF_ARG], int *argc, char *cmd)
363 while (*cmd && *argc < SIZEOF_ARG && (valuelen = strcspn(cmd, " \t"))) {
364 bool advance = cmd[valuelen] != 0;
367 argv[(*argc)++] = chomp_string(cmd);
368 cmd = chomp_string(cmd + valuelen + advance);
371 if (*argc < SIZEOF_ARG)
373 return *argc < SIZEOF_ARG;
377 argv_from_env(const char **argv, const char *name)
379 char *env = argv ? getenv(name) : NULL;
384 if (env && !argv_from_string(argv, &argc, env))
385 die("Too many arguments in the `%s` environment variable", name);
390 * Executing external commands.
394 IO_FD, /* File descriptor based IO. */
395 IO_BG, /* Execute command in the background. */
396 IO_FG, /* Execute command with same std{in,out,err}. */
397 IO_RD, /* Read only fork+exec IO. */
398 IO_WR, /* Write only fork+exec IO. */
399 IO_AP, /* Append fork+exec output to file. */
403 enum io_type type; /* The requested type of pipe. */
404 const char *dir; /* Directory from which to execute. */
405 pid_t pid; /* Pipe for reading or writing. */
406 int pipe; /* Pipe end for reading or writing. */
407 int error; /* Error status. */
408 const char *argv[SIZEOF_ARG]; /* Shell command arguments. */
409 char *buf; /* Read buffer. */
410 size_t bufalloc; /* Allocated buffer size. */
411 size_t bufsize; /* Buffer content size. */
412 char *bufpos; /* Current buffer position. */
413 unsigned int eof:1; /* Has end of file been reached. */
417 reset_io(struct io *io)
421 io->buf = io->bufpos = NULL;
422 io->bufalloc = io->bufsize = 0;
428 init_io(struct io *io, const char *dir, enum io_type type)
436 init_io_rd(struct io *io, const char *argv[], const char *dir,
437 enum format_flags flags)
439 init_io(io, dir, IO_RD);
440 return format_argv(io->argv, argv, flags);
444 io_open(struct io *io, const char *name)
446 init_io(io, NULL, IO_FD);
447 io->pipe = *name ? open(name, O_RDONLY) : STDIN_FILENO;
450 return io->pipe != -1;
454 kill_io(struct io *io)
456 return io->pid == 0 || kill(io->pid, SIGKILL) != -1;
460 done_io(struct io *io)
471 pid_t waiting = waitpid(pid, &status, 0);
476 report("waitpid failed (%s)", strerror(errno));
480 return waiting == pid &&
481 !WIFSIGNALED(status) &&
483 !WEXITSTATUS(status);
490 start_io(struct io *io)
492 int pipefds[2] = { -1, -1 };
494 if (io->type == IO_FD)
497 if ((io->type == IO_RD || io->type == IO_WR) &&
500 else if (io->type == IO_AP)
501 pipefds[1] = io->pipe;
503 if ((io->pid = fork())) {
504 if (pipefds[!(io->type == IO_WR)] != -1)
505 close(pipefds[!(io->type == IO_WR)]);
507 io->pipe = pipefds[!!(io->type == IO_WR)];
512 if (io->type != IO_FG) {
513 int devnull = open("/dev/null", O_RDWR);
514 int readfd = io->type == IO_WR ? pipefds[0] : devnull;
515 int writefd = (io->type == IO_RD || io->type == IO_AP)
516 ? pipefds[1] : devnull;
518 dup2(readfd, STDIN_FILENO);
519 dup2(writefd, STDOUT_FILENO);
520 dup2(devnull, STDERR_FILENO);
523 if (pipefds[0] != -1)
525 if (pipefds[1] != -1)
529 if (io->dir && *io->dir && chdir(io->dir) == -1)
530 die("Failed to change directory: %s", strerror(errno));
532 execvp(io->argv[0], (char *const*) io->argv);
533 die("Failed to execute program: %s", strerror(errno));
536 if (pipefds[!!(io->type == IO_WR)] != -1)
537 close(pipefds[!!(io->type == IO_WR)]);
542 run_io(struct io *io, const char **argv, const char *dir, enum io_type type)
544 init_io(io, dir, type);
545 if (!format_argv(io->argv, argv, FORMAT_NONE))
551 run_io_do(struct io *io)
553 return start_io(io) && done_io(io);
557 run_io_bg(const char **argv)
561 init_io(&io, NULL, IO_BG);
562 if (!format_argv(io.argv, argv, FORMAT_NONE))
564 return run_io_do(&io);
568 run_io_fg(const char **argv, const char *dir)
572 init_io(&io, dir, IO_FG);
573 if (!format_argv(io.argv, argv, FORMAT_NONE))
575 return run_io_do(&io);
579 run_io_append(const char **argv, enum format_flags flags, int fd)
583 init_io(&io, NULL, IO_AP);
585 if (format_argv(io.argv, argv, flags))
586 return run_io_do(&io);
592 run_io_rd(struct io *io, const char **argv, enum format_flags flags)
594 return init_io_rd(io, argv, NULL, flags) && start_io(io);
598 io_eof(struct io *io)
604 io_error(struct io *io)
610 io_strerror(struct io *io)
612 return strerror(io->error);
616 io_can_read(struct io *io)
618 struct timeval tv = { 0, 500 };
622 FD_SET(io->pipe, &fds);
624 return select(io->pipe + 1, &fds, NULL, NULL, &tv) > 0;
628 io_read(struct io *io, void *buf, size_t bufsize)
631 ssize_t readsize = read(io->pipe, buf, bufsize);
633 if (readsize < 0 && (errno == EAGAIN || errno == EINTR))
635 else if (readsize == -1)
637 else if (readsize == 0)
643 DEFINE_ALLOCATOR(realloc_io_buf, char, BUFSIZ)
646 io_get(struct io *io, int c, bool can_read)
652 if (io->bufsize > 0) {
653 eol = memchr(io->bufpos, c, io->bufsize);
655 char *line = io->bufpos;
658 io->bufpos = eol + 1;
659 io->bufsize -= io->bufpos - line;
666 io->bufpos[io->bufsize] = 0;
676 if (io->bufsize > 0 && io->bufpos > io->buf)
677 memmove(io->buf, io->bufpos, io->bufsize);
679 if (io->bufalloc == io->bufsize) {
680 if (!realloc_io_buf(&io->buf, io->bufalloc, BUFSIZ))
682 io->bufalloc += BUFSIZ;
685 io->bufpos = io->buf;
686 readsize = io_read(io, io->buf + io->bufsize, io->bufalloc - io->bufsize);
689 io->bufsize += readsize;
694 io_write(struct io *io, const void *buf, size_t bufsize)
698 while (!io_error(io) && written < bufsize) {
701 size = write(io->pipe, buf + written, bufsize - written);
702 if (size < 0 && (errno == EAGAIN || errno == EINTR))
710 return written == bufsize;
714 io_read_buf(struct io *io, char buf[], size_t bufsize)
716 char *result = io_get(io, '\n', TRUE);
719 result = chomp_string(result);
720 string_ncopy_do(buf, bufsize, result, strlen(result));
723 return done_io(io) && result;
727 run_io_buf(const char **argv, char buf[], size_t bufsize)
731 return run_io_rd(&io, argv, FORMAT_NONE) && io_read_buf(&io, buf, bufsize);
735 io_load(struct io *io, const char *separators,
736 int (*read_property)(char *, size_t, char *, size_t))
744 while (state == OK && (name = io_get(io, '\n', TRUE))) {
749 name = chomp_string(name);
750 namelen = strcspn(name, separators);
754 value = chomp_string(name + namelen + 1);
755 valuelen = strlen(value);
762 state = read_property(name, namelen, value, valuelen);
765 if (state != ERR && io_error(io))
773 run_io_load(const char **argv, const char *separators,
774 int (*read_property)(char *, size_t, char *, size_t))
778 return init_io_rd(&io, argv, NULL, FORMAT_NONE)
779 ? io_load(&io, separators, read_property) : ERR;
788 /* XXX: Keep the view request first and in sync with views[]. */ \
789 REQ_GROUP("View switching") \
790 REQ_(VIEW_MAIN, "Show main view"), \
791 REQ_(VIEW_DIFF, "Show diff view"), \
792 REQ_(VIEW_LOG, "Show log view"), \
793 REQ_(VIEW_TREE, "Show tree view"), \
794 REQ_(VIEW_BLOB, "Show blob view"), \
795 REQ_(VIEW_BLAME, "Show blame view"), \
796 REQ_(VIEW_BRANCH, "Show branch view"), \
797 REQ_(VIEW_HELP, "Show help page"), \
798 REQ_(VIEW_PAGER, "Show pager view"), \
799 REQ_(VIEW_STATUS, "Show status view"), \
800 REQ_(VIEW_STAGE, "Show stage view"), \
802 REQ_GROUP("View manipulation") \
803 REQ_(ENTER, "Enter current line and scroll"), \
804 REQ_(NEXT, "Move to next"), \
805 REQ_(PREVIOUS, "Move to previous"), \
806 REQ_(PARENT, "Move to parent"), \
807 REQ_(VIEW_NEXT, "Move focus to next view"), \
808 REQ_(REFRESH, "Reload and refresh"), \
809 REQ_(MAXIMIZE, "Maximize the current view"), \
810 REQ_(VIEW_CLOSE, "Close the current view"), \
811 REQ_(QUIT, "Close all views and quit"), \
813 REQ_GROUP("View specific requests") \
814 REQ_(STATUS_UPDATE, "Update file status"), \
815 REQ_(STATUS_REVERT, "Revert file changes"), \
816 REQ_(STATUS_MERGE, "Merge file using external tool"), \
817 REQ_(STAGE_NEXT, "Find next chunk to stage"), \
819 REQ_GROUP("Cursor navigation") \
820 REQ_(MOVE_UP, "Move cursor one line up"), \
821 REQ_(MOVE_DOWN, "Move cursor one line down"), \
822 REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \
823 REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \
824 REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \
825 REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \
827 REQ_GROUP("Scrolling") \
828 REQ_(SCROLL_LEFT, "Scroll two columns left"), \
829 REQ_(SCROLL_RIGHT, "Scroll two columns right"), \
830 REQ_(SCROLL_LINE_UP, "Scroll one line up"), \
831 REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \
832 REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \
833 REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \
835 REQ_GROUP("Searching") \
836 REQ_(SEARCH, "Search the view"), \
837 REQ_(SEARCH_BACK, "Search backwards in the view"), \
838 REQ_(FIND_NEXT, "Find next search match"), \
839 REQ_(FIND_PREV, "Find previous search match"), \
841 REQ_GROUP("Option manipulation") \
842 REQ_(OPTIONS, "Open option menu"), \
843 REQ_(TOGGLE_LINENO, "Toggle line numbers"), \
844 REQ_(TOGGLE_DATE, "Toggle date display"), \
845 REQ_(TOGGLE_AUTHOR, "Toggle author display"), \
846 REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \
847 REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \
848 REQ_(TOGGLE_SORT_ORDER, "Toggle ascending/descending sort order"), \
849 REQ_(TOGGLE_SORT_FIELD, "Toggle field to sort by"), \
852 REQ_(PROMPT, "Bring up the prompt"), \
853 REQ_(SCREEN_REDRAW, "Redraw the screen"), \
854 REQ_(SHOW_VERSION, "Show version information"), \
855 REQ_(STOP_LOADING, "Stop all loading views"), \
856 REQ_(EDIT, "Open in editor"), \
857 REQ_(NONE, "Do nothing")
860 /* User action requests. */
862 #define REQ_GROUP(help)
863 #define REQ_(req, help) REQ_##req
865 /* Offset all requests to avoid conflicts with ncurses getch values. */
866 REQ_OFFSET = KEY_MAX + 1,
873 struct request_info {
874 enum request request;
880 static const struct request_info req_info[] = {
881 #define REQ_GROUP(help) { 0, NULL, 0, (help) },
882 #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) }
889 get_request(const char *name)
891 int namelen = strlen(name);
894 for (i = 0; i < ARRAY_SIZE(req_info); i++)
895 if (req_info[i].namelen == namelen &&
896 !string_enum_compare(req_info[i].name, name, namelen))
897 return req_info[i].request;
907 /* Option and state variables. */
908 static bool opt_date = TRUE;
909 static bool opt_author = TRUE;
910 static bool opt_line_number = FALSE;
911 static bool opt_line_graphics = TRUE;
912 static bool opt_rev_graph = FALSE;
913 static bool opt_show_refs = TRUE;
914 static int opt_num_interval = NUMBER_INTERVAL;
915 static double opt_hscroll = 0.50;
916 static int opt_tab_size = TAB_SIZE;
917 static int opt_author_cols = AUTHOR_COLS-1;
918 static char opt_path[SIZEOF_STR] = "";
919 static char opt_file[SIZEOF_STR] = "";
920 static char opt_ref[SIZEOF_REF] = "";
921 static char opt_head[SIZEOF_REF] = "";
922 static char opt_head_rev[SIZEOF_REV] = "";
923 static char opt_remote[SIZEOF_REF] = "";
924 static char opt_encoding[20] = "UTF-8";
925 static bool opt_utf8 = TRUE;
926 static char opt_codeset[20] = "UTF-8";
927 static iconv_t opt_iconv = ICONV_NONE;
928 static char opt_search[SIZEOF_STR] = "";
929 static char opt_cdup[SIZEOF_STR] = "";
930 static char opt_prefix[SIZEOF_STR] = "";
931 static char opt_git_dir[SIZEOF_STR] = "";
932 static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */
933 static char opt_editor[SIZEOF_STR] = "";
934 static FILE *opt_tty = NULL;
936 #define is_initial_commit() (!*opt_head_rev)
937 #define is_head_commit(rev) (!strcmp((rev), "HEAD") || !strcmp(opt_head_rev, (rev)))
941 * Line-oriented content detection.
945 LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
946 LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
947 LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \
948 LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \
949 LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \
950 LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
951 LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
952 LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
953 LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
954 LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
955 LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
956 LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
957 LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
958 LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
959 LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \
960 LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
961 LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \
962 LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
963 LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
964 LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
965 LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \
966 LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \
967 LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \
968 LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
969 LINE(AUTHOR, "author ", COLOR_GREEN, COLOR_DEFAULT, 0), \
970 LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
971 LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
972 LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
973 LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
974 LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \
975 LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
976 LINE(DELIMITER, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
977 LINE(DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \
978 LINE(MODE, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
979 LINE(LINE_NUMBER, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
980 LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \
981 LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \
982 LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
983 LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \
984 LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
985 LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
986 LINE(MAIN_TRACKED, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \
987 LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
988 LINE(MAIN_HEAD, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
989 LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
990 LINE(TREE_HEAD, "", COLOR_DEFAULT, COLOR_DEFAULT, A_BOLD), \
991 LINE(TREE_DIR, "", COLOR_YELLOW, COLOR_DEFAULT, A_NORMAL), \
992 LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
993 LINE(STAT_HEAD, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
994 LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
995 LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
996 LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
997 LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
998 LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
999 LINE(BLAME_ID, "", COLOR_MAGENTA, COLOR_DEFAULT, 0)
1002 #define LINE(type, line, fg, bg, attr) \
1010 const char *name; /* Option name. */
1011 int namelen; /* Size of option name. */
1012 const char *line; /* The start of line to match. */
1013 int linelen; /* Size of string to match. */
1014 int fg, bg, attr; /* Color and text attributes for the lines. */
1017 static struct line_info line_info[] = {
1018 #define LINE(type, line, fg, bg, attr) \
1019 { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) }
1024 static enum line_type
1025 get_line_type(const char *line)
1027 int linelen = strlen(line);
1028 enum line_type type;
1030 for (type = 0; type < ARRAY_SIZE(line_info); type++)
1031 /* Case insensitive search matches Signed-off-by lines better. */
1032 if (linelen >= line_info[type].linelen &&
1033 !strncasecmp(line_info[type].line, line, line_info[type].linelen))
1036 return LINE_DEFAULT;
1040 get_line_attr(enum line_type type)
1042 assert(type < ARRAY_SIZE(line_info));
1043 return COLOR_PAIR(type) | line_info[type].attr;
1046 static struct line_info *
1047 get_line_info(const char *name)
1049 size_t namelen = strlen(name);
1050 enum line_type type;
1052 for (type = 0; type < ARRAY_SIZE(line_info); type++)
1053 if (namelen == line_info[type].namelen &&
1054 !string_enum_compare(line_info[type].name, name, namelen))
1055 return &line_info[type];
1063 int default_bg = line_info[LINE_DEFAULT].bg;
1064 int default_fg = line_info[LINE_DEFAULT].fg;
1065 enum line_type type;
1069 if (assume_default_colors(default_fg, default_bg) == ERR) {
1070 default_bg = COLOR_BLACK;
1071 default_fg = COLOR_WHITE;
1074 for (type = 0; type < ARRAY_SIZE(line_info); type++) {
1075 struct line_info *info = &line_info[type];
1076 int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg;
1077 int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg;
1079 init_pair(type, fg, bg);
1084 enum line_type type;
1087 unsigned int selected:1;
1088 unsigned int dirty:1;
1089 unsigned int cleareol:1;
1091 void *data; /* User data */
1101 enum request request;
1104 static const struct keybinding default_keybindings[] = {
1105 /* View switching */
1106 { 'm', REQ_VIEW_MAIN },
1107 { 'd', REQ_VIEW_DIFF },
1108 { 'l', REQ_VIEW_LOG },
1109 { 't', REQ_VIEW_TREE },
1110 { 'f', REQ_VIEW_BLOB },
1111 { 'B', REQ_VIEW_BLAME },
1112 { 'H', REQ_VIEW_BRANCH },
1113 { 'p', REQ_VIEW_PAGER },
1114 { 'h', REQ_VIEW_HELP },
1115 { 'S', REQ_VIEW_STATUS },
1116 { 'c', REQ_VIEW_STAGE },
1118 /* View manipulation */
1119 { 'q', REQ_VIEW_CLOSE },
1120 { KEY_TAB, REQ_VIEW_NEXT },
1121 { KEY_RETURN, REQ_ENTER },
1122 { KEY_UP, REQ_PREVIOUS },
1123 { KEY_DOWN, REQ_NEXT },
1124 { 'R', REQ_REFRESH },
1125 { KEY_F(5), REQ_REFRESH },
1126 { 'O', REQ_MAXIMIZE },
1128 /* Cursor navigation */
1129 { 'k', REQ_MOVE_UP },
1130 { 'j', REQ_MOVE_DOWN },
1131 { KEY_HOME, REQ_MOVE_FIRST_LINE },
1132 { KEY_END, REQ_MOVE_LAST_LINE },
1133 { KEY_NPAGE, REQ_MOVE_PAGE_DOWN },
1134 { ' ', REQ_MOVE_PAGE_DOWN },
1135 { KEY_PPAGE, REQ_MOVE_PAGE_UP },
1136 { 'b', REQ_MOVE_PAGE_UP },
1137 { '-', REQ_MOVE_PAGE_UP },
1140 { KEY_LEFT, REQ_SCROLL_LEFT },
1141 { KEY_RIGHT, REQ_SCROLL_RIGHT },
1142 { KEY_IC, REQ_SCROLL_LINE_UP },
1143 { KEY_DC, REQ_SCROLL_LINE_DOWN },
1144 { 'w', REQ_SCROLL_PAGE_UP },
1145 { 's', REQ_SCROLL_PAGE_DOWN },
1148 { '/', REQ_SEARCH },
1149 { '?', REQ_SEARCH_BACK },
1150 { 'n', REQ_FIND_NEXT },
1151 { 'N', REQ_FIND_PREV },
1155 { 'z', REQ_STOP_LOADING },
1156 { 'v', REQ_SHOW_VERSION },
1157 { 'r', REQ_SCREEN_REDRAW },
1158 { 'o', REQ_OPTIONS },
1159 { '.', REQ_TOGGLE_LINENO },
1160 { 'D', REQ_TOGGLE_DATE },
1161 { 'A', REQ_TOGGLE_AUTHOR },
1162 { 'g', REQ_TOGGLE_REV_GRAPH },
1163 { 'F', REQ_TOGGLE_REFS },
1164 { 'I', REQ_TOGGLE_SORT_ORDER },
1165 { 'i', REQ_TOGGLE_SORT_FIELD },
1166 { ':', REQ_PROMPT },
1167 { 'u', REQ_STATUS_UPDATE },
1168 { '!', REQ_STATUS_REVERT },
1169 { 'M', REQ_STATUS_MERGE },
1170 { '@', REQ_STAGE_NEXT },
1171 { ',', REQ_PARENT },
1175 #define KEYMAP_INFO \
1190 #define KEYMAP_(name) KEYMAP_##name
1195 static const struct enum_map keymap_table[] = {
1196 #define KEYMAP_(name) ENUM_MAP(#name, KEYMAP_##name)
1201 #define set_keymap(map, name) map_enum(map, keymap_table, name)
1203 struct keybinding_table {
1204 struct keybinding *data;
1208 static struct keybinding_table keybindings[ARRAY_SIZE(keymap_table)];
1211 add_keybinding(enum keymap keymap, enum request request, int key)
1213 struct keybinding_table *table = &keybindings[keymap];
1215 table->data = realloc(table->data, (table->size + 1) * sizeof(*table->data));
1217 die("Failed to allocate keybinding");
1218 table->data[table->size].alias = key;
1219 table->data[table->size++].request = request;
1222 /* Looks for a key binding first in the given map, then in the generic map, and
1223 * lastly in the default keybindings. */
1225 get_keybinding(enum keymap keymap, int key)
1229 for (i = 0; i < keybindings[keymap].size; i++)
1230 if (keybindings[keymap].data[i].alias == key)
1231 return keybindings[keymap].data[i].request;
1233 for (i = 0; i < keybindings[KEYMAP_GENERIC].size; i++)
1234 if (keybindings[KEYMAP_GENERIC].data[i].alias == key)
1235 return keybindings[KEYMAP_GENERIC].data[i].request;
1237 for (i = 0; i < ARRAY_SIZE(default_keybindings); i++)
1238 if (default_keybindings[i].alias == key)
1239 return default_keybindings[i].request;
1241 return (enum request) key;
1250 static const struct key key_table[] = {
1251 { "Enter", KEY_RETURN },
1253 { "Backspace", KEY_BACKSPACE },
1255 { "Escape", KEY_ESC },
1256 { "Left", KEY_LEFT },
1257 { "Right", KEY_RIGHT },
1259 { "Down", KEY_DOWN },
1260 { "Insert", KEY_IC },
1261 { "Delete", KEY_DC },
1263 { "Home", KEY_HOME },
1265 { "PageUp", KEY_PPAGE },
1266 { "PageDown", KEY_NPAGE },
1276 { "F10", KEY_F(10) },
1277 { "F11", KEY_F(11) },
1278 { "F12", KEY_F(12) },
1282 get_key_value(const char *name)
1286 for (i = 0; i < ARRAY_SIZE(key_table); i++)
1287 if (!strcasecmp(key_table[i].name, name))
1288 return key_table[i].value;
1290 if (strlen(name) == 1 && isprint(*name))
1297 get_key_name(int key_value)
1299 static char key_char[] = "'X'";
1300 const char *seq = NULL;
1303 for (key = 0; key < ARRAY_SIZE(key_table); key++)
1304 if (key_table[key].value == key_value)
1305 seq = key_table[key].name;
1309 isprint(key_value)) {
1310 key_char[1] = (char) key_value;
1314 return seq ? seq : "(no key)";
1318 get_key(enum request request)
1320 static char buf[BUFSIZ];
1327 for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) {
1328 const struct keybinding *keybinding = &default_keybindings[i];
1330 if (keybinding->request != request)
1333 if (!string_format_from(buf, &pos, "%s%s", sep,
1334 get_key_name(keybinding->alias)))
1335 return "Too many keybindings!";
1342 struct run_request {
1345 const char *argv[SIZEOF_ARG];
1348 static struct run_request *run_request;
1349 static size_t run_requests;
1351 DEFINE_ALLOCATOR(realloc_run_requests, struct run_request, 8)
1354 add_run_request(enum keymap keymap, int key, int argc, const char **argv)
1356 struct run_request *req;
1358 if (argc >= ARRAY_SIZE(req->argv) - 1)
1361 if (!realloc_run_requests(&run_request, run_requests, 1))
1364 req = &run_request[run_requests];
1365 req->keymap = keymap;
1367 req->argv[0] = NULL;
1369 if (!format_argv(req->argv, argv, FORMAT_NONE))
1372 return REQ_NONE + ++run_requests;
1375 static struct run_request *
1376 get_run_request(enum request request)
1378 if (request <= REQ_NONE)
1380 return &run_request[request - REQ_NONE - 1];
1384 add_builtin_run_requests(void)
1386 const char *cherry_pick[] = { "git", "cherry-pick", "%(commit)", NULL };
1387 const char *commit[] = { "git", "commit", NULL };
1388 const char *gc[] = { "git", "gc", NULL };
1395 { KEYMAP_MAIN, 'C', ARRAY_SIZE(cherry_pick) - 1, cherry_pick },
1396 { KEYMAP_STATUS, 'C', ARRAY_SIZE(commit) - 1, commit },
1397 { KEYMAP_GENERIC, 'G', ARRAY_SIZE(gc) - 1, gc },
1401 for (i = 0; i < ARRAY_SIZE(reqs); i++) {
1404 req = add_run_request(reqs[i].keymap, reqs[i].key, reqs[i].argc, reqs[i].argv);
1405 if (req != REQ_NONE)
1406 add_keybinding(reqs[i].keymap, req, reqs[i].key);
1411 * User config file handling.
1414 static int config_lineno;
1415 static bool config_errors;
1416 static const char *config_msg;
1418 static const struct enum_map color_map[] = {
1419 #define COLOR_MAP(name) ENUM_MAP(#name, COLOR_##name)
1431 static const struct enum_map attr_map[] = {
1432 #define ATTR_MAP(name) ENUM_MAP(#name, A_##name)
1439 ATTR_MAP(UNDERLINE),
1442 #define set_attribute(attr, name) map_enum(attr, attr_map, name)
1444 static int parse_step(double *opt, const char *arg)
1447 if (!strchr(arg, '%'))
1450 /* "Shift down" so 100% and 1 does not conflict. */
1451 *opt = (*opt - 1) / 100;
1454 config_msg = "Step value larger than 100%";
1459 config_msg = "Invalid step value";
1466 parse_int(int *opt, const char *arg, int min, int max)
1468 int value = atoi(arg);
1470 if (min <= value && value <= max) {
1475 config_msg = "Integer value out of bound";
1480 set_color(int *color, const char *name)
1482 if (map_enum(color, color_map, name))
1484 if (!prefixcmp(name, "color"))
1485 return parse_int(color, name + 5, 0, 255) == OK;
1489 /* Wants: object fgcolor bgcolor [attribute] */
1491 option_color_command(int argc, const char *argv[])
1493 struct line_info *info;
1495 if (argc != 3 && argc != 4) {
1496 config_msg = "Wrong number of arguments given to color command";
1500 info = get_line_info(argv[0]);
1502 static const struct enum_map obsolete[] = {
1503 ENUM_MAP("main-delim", LINE_DELIMITER),
1504 ENUM_MAP("main-date", LINE_DATE),
1505 ENUM_MAP("main-author", LINE_AUTHOR),
1509 if (!map_enum(&index, obsolete, argv[0])) {
1510 config_msg = "Unknown color name";
1513 info = &line_info[index];
1516 if (!set_color(&info->fg, argv[1]) ||
1517 !set_color(&info->bg, argv[2])) {
1518 config_msg = "Unknown color";
1522 if (argc == 4 && !set_attribute(&info->attr, argv[3])) {
1523 config_msg = "Unknown attribute";
1530 static int parse_bool(bool *opt, const char *arg)
1532 *opt = (!strcmp(arg, "1") || !strcmp(arg, "true") || !strcmp(arg, "yes"))
1538 parse_string(char *opt, const char *arg, size_t optsize)
1540 int arglen = strlen(arg);
1545 if (arglen == 1 || arg[arglen - 1] != arg[0]) {
1546 config_msg = "Unmatched quotation";
1549 arg += 1; arglen -= 2;
1551 string_ncopy_do(opt, optsize, arg, arglen);
1556 /* Wants: name = value */
1558 option_set_command(int argc, const char *argv[])
1561 config_msg = "Wrong number of arguments given to set command";
1565 if (strcmp(argv[1], "=")) {
1566 config_msg = "No value assigned";
1570 if (!strcmp(argv[0], "show-author"))
1571 return parse_bool(&opt_author, argv[2]);
1573 if (!strcmp(argv[0], "show-date"))
1574 return parse_bool(&opt_date, argv[2]);
1576 if (!strcmp(argv[0], "show-rev-graph"))
1577 return parse_bool(&opt_rev_graph, argv[2]);
1579 if (!strcmp(argv[0], "show-refs"))
1580 return parse_bool(&opt_show_refs, argv[2]);
1582 if (!strcmp(argv[0], "show-line-numbers"))
1583 return parse_bool(&opt_line_number, argv[2]);
1585 if (!strcmp(argv[0], "line-graphics"))
1586 return parse_bool(&opt_line_graphics, argv[2]);
1588 if (!strcmp(argv[0], "line-number-interval"))
1589 return parse_int(&opt_num_interval, argv[2], 1, 1024);
1591 if (!strcmp(argv[0], "author-width"))
1592 return parse_int(&opt_author_cols, argv[2], 0, 1024);
1594 if (!strcmp(argv[0], "horizontal-scroll"))
1595 return parse_step(&opt_hscroll, argv[2]);
1597 if (!strcmp(argv[0], "tab-size"))
1598 return parse_int(&opt_tab_size, argv[2], 1, 1024);
1600 if (!strcmp(argv[0], "commit-encoding"))
1601 return parse_string(opt_encoding, argv[2], sizeof(opt_encoding));
1603 config_msg = "Unknown variable name";
1607 /* Wants: mode request key */
1609 option_bind_command(int argc, const char *argv[])
1611 enum request request;
1616 config_msg = "Wrong number of arguments given to bind command";
1620 if (set_keymap(&keymap, argv[0]) == ERR) {
1621 config_msg = "Unknown key map";
1625 key = get_key_value(argv[1]);
1627 config_msg = "Unknown key";
1631 request = get_request(argv[2]);
1632 if (request == REQ_NONE) {
1633 static const struct enum_map obsolete[] = {
1634 ENUM_MAP("cherry-pick", REQ_NONE),
1635 ENUM_MAP("screen-resize", REQ_NONE),
1636 ENUM_MAP("tree-parent", REQ_PARENT),
1640 if (map_enum(&alias, obsolete, argv[2])) {
1641 if (alias != REQ_NONE)
1642 add_keybinding(keymap, alias, key);
1643 config_msg = "Obsolete request name";
1647 if (request == REQ_NONE && *argv[2]++ == '!')
1648 request = add_run_request(keymap, key, argc - 2, argv + 2);
1649 if (request == REQ_NONE) {
1650 config_msg = "Unknown request name";
1654 add_keybinding(keymap, request, key);
1660 set_option(const char *opt, char *value)
1662 const char *argv[SIZEOF_ARG];
1665 if (!argv_from_string(argv, &argc, value)) {
1666 config_msg = "Too many option arguments";
1670 if (!strcmp(opt, "color"))
1671 return option_color_command(argc, argv);
1673 if (!strcmp(opt, "set"))
1674 return option_set_command(argc, argv);
1676 if (!strcmp(opt, "bind"))
1677 return option_bind_command(argc, argv);
1679 config_msg = "Unknown option command";
1684 read_option(char *opt, size_t optlen, char *value, size_t valuelen)
1689 config_msg = "Internal error";
1691 /* Check for comment markers, since read_properties() will
1692 * only ensure opt and value are split at first " \t". */
1693 optlen = strcspn(opt, "#");
1697 if (opt[optlen] != 0) {
1698 config_msg = "No option value";
1702 /* Look for comment endings in the value. */
1703 size_t len = strcspn(value, "#");
1705 if (len < valuelen) {
1707 value[valuelen] = 0;
1710 status = set_option(opt, value);
1713 if (status == ERR) {
1714 warn("Error on line %d, near '%.*s': %s",
1715 config_lineno, (int) optlen, opt, config_msg);
1716 config_errors = TRUE;
1719 /* Always keep going if errors are encountered. */
1724 load_option_file(const char *path)
1728 /* It's OK that the file doesn't exist. */
1729 if (!io_open(&io, path))
1733 config_errors = FALSE;
1735 if (io_load(&io, " \t", read_option) == ERR ||
1736 config_errors == TRUE)
1737 warn("Errors while loading %s.", path);
1743 const char *home = getenv("HOME");
1744 const char *tigrc_user = getenv("TIGRC_USER");
1745 const char *tigrc_system = getenv("TIGRC_SYSTEM");
1746 char buf[SIZEOF_STR];
1748 add_builtin_run_requests();
1751 tigrc_system = SYSCONFDIR "/tigrc";
1752 load_option_file(tigrc_system);
1755 if (!home || !string_format(buf, "%s/.tigrc", home))
1759 load_option_file(tigrc_user);
1772 /* The display array of active views and the index of the current view. */
1773 static struct view *display[2];
1774 static unsigned int current_view;
1776 #define foreach_displayed_view(view, i) \
1777 for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++)
1779 #define displayed_views() (display[1] != NULL ? 2 : 1)
1781 /* Current head and commit ID */
1782 static char ref_blob[SIZEOF_REF] = "";
1783 static char ref_commit[SIZEOF_REF] = "HEAD";
1784 static char ref_head[SIZEOF_REF] = "HEAD";
1787 const char *name; /* View name */
1788 const char *cmd_env; /* Command line set via environment */
1789 const char *id; /* Points to either of ref_{head,commit,blob} */
1791 struct view_ops *ops; /* View operations */
1793 enum keymap keymap; /* What keymap does this view have */
1794 bool git_dir; /* Whether the view requires a git directory. */
1796 char ref[SIZEOF_REF]; /* Hovered commit reference */
1797 char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */
1799 int height, width; /* The width and height of the main window */
1800 WINDOW *win; /* The main window */
1801 WINDOW *title; /* The title window living below the main window */
1804 unsigned long offset; /* Offset of the window top */
1805 unsigned long yoffset; /* Offset from the window side. */
1806 unsigned long lineno; /* Current line number */
1807 unsigned long p_offset; /* Previous offset of the window top */
1808 unsigned long p_yoffset;/* Previous offset from the window side */
1809 unsigned long p_lineno; /* Previous current line number */
1810 bool p_restore; /* Should the previous position be restored. */
1813 char grep[SIZEOF_STR]; /* Search string */
1814 regex_t *regex; /* Pre-compiled regexp */
1816 /* If non-NULL, points to the view that opened this view. If this view
1817 * is closed tig will switch back to the parent view. */
1818 struct view *parent;
1821 size_t lines; /* Total number of lines */
1822 struct line *line; /* Line index */
1823 unsigned int digits; /* Number of digits in the lines member. */
1826 struct line *curline; /* Line currently being drawn. */
1827 enum line_type curtype; /* Attribute currently used for drawing. */
1828 unsigned long col; /* Column when drawing. */
1829 bool has_scrolled; /* View was scrolled. */
1839 /* What type of content being displayed. Used in the title bar. */
1841 /* Default command arguments. */
1843 /* Open and reads in all view content. */
1844 bool (*open)(struct view *view);
1845 /* Read one line; updates view->line. */
1846 bool (*read)(struct view *view, char *data);
1847 /* Draw one line; @lineno must be < view->height. */
1848 bool (*draw)(struct view *view, struct line *line, unsigned int lineno);
1849 /* Depending on view handle a special requests. */
1850 enum request (*request)(struct view *view, enum request request, struct line *line);
1851 /* Search for regexp in a line. */
1852 bool (*grep)(struct view *view, struct line *line);
1854 void (*select)(struct view *view, struct line *line);
1857 static struct view_ops blame_ops;
1858 static struct view_ops blob_ops;
1859 static struct view_ops diff_ops;
1860 static struct view_ops help_ops;
1861 static struct view_ops log_ops;
1862 static struct view_ops main_ops;
1863 static struct view_ops pager_ops;
1864 static struct view_ops stage_ops;
1865 static struct view_ops status_ops;
1866 static struct view_ops tree_ops;
1867 static struct view_ops branch_ops;
1869 #define VIEW_STR(name, env, ref, ops, map, git) \
1870 { name, #env, ref, ops, map, git }
1872 #define VIEW_(id, name, ops, git, ref) \
1873 VIEW_STR(name, TIG_##id##_CMD, ref, ops, KEYMAP_##id, git)
1876 static struct view views[] = {
1877 VIEW_(MAIN, "main", &main_ops, TRUE, ref_head),
1878 VIEW_(DIFF, "diff", &diff_ops, TRUE, ref_commit),
1879 VIEW_(LOG, "log", &log_ops, TRUE, ref_head),
1880 VIEW_(TREE, "tree", &tree_ops, TRUE, ref_commit),
1881 VIEW_(BLOB, "blob", &blob_ops, TRUE, ref_blob),
1882 VIEW_(BLAME, "blame", &blame_ops, TRUE, ref_commit),
1883 VIEW_(BRANCH, "branch", &branch_ops, TRUE, ref_head),
1884 VIEW_(HELP, "help", &help_ops, FALSE, ""),
1885 VIEW_(PAGER, "pager", &pager_ops, FALSE, "stdin"),
1886 VIEW_(STATUS, "status", &status_ops, TRUE, ""),
1887 VIEW_(STAGE, "stage", &stage_ops, TRUE, ""),
1890 #define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
1891 #define VIEW_REQ(view) ((view) - views + REQ_OFFSET + 1)
1893 #define foreach_view(view, i) \
1894 for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++)
1896 #define view_is_displayed(view) \
1897 (view == display[0] || view == display[1])
1904 static chtype line_graphics[] = {
1905 /* LINE_GRAPHIC_VLINE: */ '|'
1909 set_view_attr(struct view *view, enum line_type type)
1911 if (!view->curline->selected && view->curtype != type) {
1912 wattrset(view->win, get_line_attr(type));
1913 wchgat(view->win, -1, 0, type, NULL);
1914 view->curtype = type;
1919 draw_chars(struct view *view, enum line_type type, const char *string,
1920 int max_len, bool use_tilde)
1924 int trimmed = FALSE;
1925 size_t skip = view->yoffset > view->col ? view->yoffset - view->col : 0;
1931 len = utf8_length(&string, skip, &col, max_len, &trimmed, use_tilde);
1933 col = len = strlen(string);
1934 if (len > max_len) {
1938 col = len = max_len;
1943 set_view_attr(view, type);
1945 waddnstr(view->win, string, len);
1946 if (trimmed && use_tilde) {
1947 set_view_attr(view, LINE_DELIMITER);
1948 waddch(view->win, '~');
1956 draw_space(struct view *view, enum line_type type, int max, int spaces)
1958 static char space[] = " ";
1961 spaces = MIN(max, spaces);
1963 while (spaces > 0) {
1964 int len = MIN(spaces, sizeof(space) - 1);
1966 col += draw_chars(view, type, space, len, FALSE);
1974 draw_text(struct view *view, enum line_type type, const char *string, bool trim)
1976 view->col += draw_chars(view, type, string, view->width + view->yoffset - view->col, trim);
1977 return view->width + view->yoffset <= view->col;
1981 draw_graphic(struct view *view, enum line_type type, chtype graphic[], size_t size)
1983 size_t skip = view->yoffset > view->col ? view->yoffset - view->col : 0;
1984 int max = view->width + view->yoffset - view->col;
1990 set_view_attr(view, type);
1991 /* Using waddch() instead of waddnstr() ensures that
1992 * they'll be rendered correctly for the cursor line. */
1993 for (i = skip; i < size; i++)
1994 waddch(view->win, graphic[i]);
1997 if (size < max && skip <= size)
1998 waddch(view->win, ' ');
2001 return view->width + view->yoffset <= view->col;
2005 draw_field(struct view *view, enum line_type type, const char *text, int len, bool trim)
2007 int max = MIN(view->width + view->yoffset - view->col, len);
2011 col = draw_chars(view, type, text, max - 1, trim);
2013 col = draw_space(view, type, max - 1, max - 1);
2016 view->col += draw_space(view, LINE_DEFAULT, max - col, max - col);
2017 return view->width + view->yoffset <= view->col;
2021 draw_date(struct view *view, time_t *time)
2023 const char *date = mkdate(time);
2025 return draw_field(view, LINE_DATE, date, DATE_COLS, FALSE);
2029 draw_author(struct view *view, const char *author)
2031 bool trim = opt_author_cols == 0 || opt_author_cols > 5 || !author;
2034 static char initials[10];
2037 #define is_initial_sep(c) (isspace(c) || ispunct(c) || (c) == '@')
2039 memset(initials, 0, sizeof(initials));
2040 for (pos = 0; *author && pos < opt_author_cols - 1; author++, pos++) {
2041 while (is_initial_sep(*author))
2043 strncpy(&initials[pos], author, sizeof(initials) - 1 - pos);
2044 while (*author && !is_initial_sep(author[1]))
2051 return draw_field(view, LINE_AUTHOR, author, opt_author_cols, trim);
2055 draw_mode(struct view *view, mode_t mode)
2061 else if (S_ISLNK(mode))
2063 else if (S_ISGITLINK(mode))
2065 else if (S_ISREG(mode) && mode & S_IXUSR)
2067 else if (S_ISREG(mode))
2072 return draw_field(view, LINE_MODE, str, STRING_SIZE("-rw-r--r-- "), FALSE);
2076 draw_lineno(struct view *view, unsigned int lineno)
2079 int digits3 = view->digits < 3 ? 3 : view->digits;
2080 int max = MIN(view->width + view->yoffset - view->col, digits3);
2083 lineno += view->offset + 1;
2084 if (lineno == 1 || (lineno % opt_num_interval) == 0) {
2085 static char fmt[] = "%1ld";
2087 fmt[1] = '0' + (view->digits <= 9 ? digits3 : 1);
2088 if (string_format(number, fmt, lineno))
2092 view->col += draw_chars(view, LINE_LINE_NUMBER, text, max, TRUE);
2094 view->col += draw_space(view, LINE_LINE_NUMBER, max, digits3);
2095 return draw_graphic(view, LINE_DEFAULT, &line_graphics[LINE_GRAPHIC_VLINE], 1);
2099 draw_view_line(struct view *view, unsigned int lineno)
2102 bool selected = (view->offset + lineno == view->lineno);
2104 assert(view_is_displayed(view));
2106 if (view->offset + lineno >= view->lines)
2109 line = &view->line[view->offset + lineno];
2111 wmove(view->win, lineno, 0);
2113 wclrtoeol(view->win);
2115 view->curline = line;
2116 view->curtype = LINE_NONE;
2117 line->selected = FALSE;
2118 line->dirty = line->cleareol = 0;
2121 set_view_attr(view, LINE_CURSOR);
2122 line->selected = TRUE;
2123 view->ops->select(view, line);
2126 return view->ops->draw(view, line, lineno);
2130 redraw_view_dirty(struct view *view)
2135 for (lineno = 0; lineno < view->height; lineno++) {
2136 if (view->offset + lineno >= view->lines)
2138 if (!view->line[view->offset + lineno].dirty)
2141 if (!draw_view_line(view, lineno))
2147 wnoutrefresh(view->win);
2151 redraw_view_from(struct view *view, int lineno)
2153 assert(0 <= lineno && lineno < view->height);
2155 for (; lineno < view->height; lineno++) {
2156 if (!draw_view_line(view, lineno))
2160 wnoutrefresh(view->win);
2164 redraw_view(struct view *view)
2167 redraw_view_from(view, 0);
2172 update_view_title(struct view *view)
2174 char buf[SIZEOF_STR];
2175 char state[SIZEOF_STR];
2176 size_t bufpos = 0, statelen = 0;
2178 assert(view_is_displayed(view));
2180 if (view != VIEW(REQ_VIEW_STATUS) && view->lines) {
2181 unsigned int view_lines = view->offset + view->height;
2182 unsigned int lines = view->lines
2183 ? MIN(view_lines, view->lines) * 100 / view->lines
2186 string_format_from(state, &statelen, " - %s %d of %d (%d%%)",
2195 time_t secs = time(NULL) - view->start_time;
2197 /* Three git seconds are a long time ... */
2199 string_format_from(state, &statelen, " loading %lds", secs);
2202 string_format_from(buf, &bufpos, "[%s]", view->name);
2203 if (*view->ref && bufpos < view->width) {
2204 size_t refsize = strlen(view->ref);
2205 size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen;
2207 if (minsize < view->width)
2208 refsize = view->width - minsize + 7;
2209 string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref);
2212 if (statelen && bufpos < view->width) {
2213 string_format_from(buf, &bufpos, "%s", state);
2216 if (view == display[current_view])
2217 wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS));
2219 wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR));
2221 mvwaddnstr(view->title, 0, 0, buf, bufpos);
2222 wclrtoeol(view->title);
2223 wnoutrefresh(view->title);
2227 resize_display(void)
2230 struct view *base = display[0];
2231 struct view *view = display[1] ? display[1] : display[0];
2233 /* Setup window dimensions */
2235 getmaxyx(stdscr, base->height, base->width);
2237 /* Make room for the status window. */
2241 /* Horizontal split. */
2242 view->width = base->width;
2243 view->height = SCALE_SPLIT_VIEW(base->height);
2244 base->height -= view->height;
2246 /* Make room for the title bar. */
2250 /* Make room for the title bar. */
2255 foreach_displayed_view (view, i) {
2257 view->win = newwin(view->height, 0, offset, 0);
2259 die("Failed to create %s view", view->name);
2261 scrollok(view->win, FALSE);
2263 view->title = newwin(1, 0, offset + view->height, 0);
2265 die("Failed to create title window");
2268 wresize(view->win, view->height, view->width);
2269 mvwin(view->win, offset, 0);
2270 mvwin(view->title, offset + view->height, 0);
2273 offset += view->height + 1;
2277 static void menu_redraw(void);
2280 redraw_display(bool clear)
2285 foreach_displayed_view (view, i) {
2289 update_view_title(view);
2296 toggle_view_option(bool *option, const char *help)
2299 redraw_display(FALSE);
2300 report("%sabling %s", *option ? "En" : "Dis", help);
2304 open_option_menu(void)
2306 const struct menu_item menu[] = {
2307 { '.', "line numbers", &opt_line_number },
2308 { 'D', "date display", &opt_date },
2309 { 'A', "author display", &opt_author },
2310 { 'g', "revision graph display", &opt_rev_graph },
2311 { 'F', "reference display", &opt_show_refs },
2316 if (prompt_menu("Toggle option", menu, &selected))
2317 toggle_view_option(menu[selected].data, menu[selected].text);
2321 maximize_view(struct view *view)
2323 memset(display, 0, sizeof(display));
2325 display[current_view] = view;
2327 redraw_display(FALSE);
2337 goto_view_line(struct view *view, unsigned long offset, unsigned long lineno)
2339 if (lineno >= view->lines)
2340 lineno = view->lines > 0 ? view->lines - 1 : 0;
2342 if (offset > lineno || offset + view->height <= lineno) {
2343 unsigned long half = view->height / 2;
2346 offset = lineno - half;
2351 if (offset != view->offset || lineno != view->lineno) {
2352 view->offset = offset;
2353 view->lineno = lineno;
2361 apply_step(double step, int value)
2365 value *= step + 0.01;
2366 return value ? value : 1;
2369 /* Scrolling backend */
2371 do_scroll_view(struct view *view, int lines)
2373 bool redraw_current_line = FALSE;
2375 /* The rendering expects the new offset. */
2376 view->offset += lines;
2378 assert(0 <= view->offset && view->offset < view->lines);
2381 /* Move current line into the view. */
2382 if (view->lineno < view->offset) {
2383 view->lineno = view->offset;
2384 redraw_current_line = TRUE;
2385 } else if (view->lineno >= view->offset + view->height) {
2386 view->lineno = view->offset + view->height - 1;
2387 redraw_current_line = TRUE;
2390 assert(view->offset <= view->lineno && view->lineno < view->lines);
2392 /* Redraw the whole screen if scrolling is pointless. */
2393 if (view->height < ABS(lines)) {
2397 int line = lines > 0 ? view->height - lines : 0;
2398 int end = line + ABS(lines);
2400 scrollok(view->win, TRUE);
2401 wscrl(view->win, lines);
2402 scrollok(view->win, FALSE);
2404 while (line < end && draw_view_line(view, line))
2407 if (redraw_current_line)
2408 draw_view_line(view, view->lineno - view->offset);
2409 wnoutrefresh(view->win);
2412 view->has_scrolled = TRUE;
2416 /* Scroll frontend */
2418 scroll_view(struct view *view, enum request request)
2422 assert(view_is_displayed(view));
2425 case REQ_SCROLL_LEFT:
2426 if (view->yoffset == 0) {
2427 report("Cannot scroll beyond the first column");
2430 if (view->yoffset <= apply_step(opt_hscroll, view->width))
2433 view->yoffset -= apply_step(opt_hscroll, view->width);
2434 redraw_view_from(view, 0);
2437 case REQ_SCROLL_RIGHT:
2438 view->yoffset += apply_step(opt_hscroll, view->width);
2442 case REQ_SCROLL_PAGE_DOWN:
2443 lines = view->height;
2444 case REQ_SCROLL_LINE_DOWN:
2445 if (view->offset + lines > view->lines)
2446 lines = view->lines - view->offset;
2448 if (lines == 0 || view->offset + view->height >= view->lines) {
2449 report("Cannot scroll beyond the last line");
2454 case REQ_SCROLL_PAGE_UP:
2455 lines = view->height;
2456 case REQ_SCROLL_LINE_UP:
2457 if (lines > view->offset)
2458 lines = view->offset;
2461 report("Cannot scroll beyond the first line");
2469 die("request %d not handled in switch", request);
2472 do_scroll_view(view, lines);
2477 move_view(struct view *view, enum request request)
2479 int scroll_steps = 0;
2483 case REQ_MOVE_FIRST_LINE:
2484 steps = -view->lineno;
2487 case REQ_MOVE_LAST_LINE:
2488 steps = view->lines - view->lineno - 1;
2491 case REQ_MOVE_PAGE_UP:
2492 steps = view->height > view->lineno
2493 ? -view->lineno : -view->height;
2496 case REQ_MOVE_PAGE_DOWN:
2497 steps = view->lineno + view->height >= view->lines
2498 ? view->lines - view->lineno - 1 : view->height;
2510 die("request %d not handled in switch", request);
2513 if (steps <= 0 && view->lineno == 0) {
2514 report("Cannot move beyond the first line");
2517 } else if (steps >= 0 && view->lineno + 1 >= view->lines) {
2518 report("Cannot move beyond the last line");
2522 /* Move the current line */
2523 view->lineno += steps;
2524 assert(0 <= view->lineno && view->lineno < view->lines);
2526 /* Check whether the view needs to be scrolled */
2527 if (view->lineno < view->offset ||
2528 view->lineno >= view->offset + view->height) {
2529 scroll_steps = steps;
2530 if (steps < 0 && -steps > view->offset) {
2531 scroll_steps = -view->offset;
2533 } else if (steps > 0) {
2534 if (view->lineno == view->lines - 1 &&
2535 view->lines > view->height) {
2536 scroll_steps = view->lines - view->offset - 1;
2537 if (scroll_steps >= view->height)
2538 scroll_steps -= view->height - 1;
2543 if (!view_is_displayed(view)) {
2544 view->offset += scroll_steps;
2545 assert(0 <= view->offset && view->offset < view->lines);
2546 view->ops->select(view, &view->line[view->lineno]);
2550 /* Repaint the old "current" line if we be scrolling */
2551 if (ABS(steps) < view->height)
2552 draw_view_line(view, view->lineno - steps - view->offset);
2555 do_scroll_view(view, scroll_steps);
2559 /* Draw the current line */
2560 draw_view_line(view, view->lineno - view->offset);
2562 wnoutrefresh(view->win);
2571 static void search_view(struct view *view, enum request request);
2574 grep_text(struct view *view, const char *text[])
2579 for (i = 0; text[i]; i++)
2581 regexec(view->regex, text[i], 1, &pmatch, 0) != REG_NOMATCH)
2587 select_view_line(struct view *view, unsigned long lineno)
2589 unsigned long old_lineno = view->lineno;
2590 unsigned long old_offset = view->offset;
2592 if (goto_view_line(view, view->offset, lineno)) {
2593 if (view_is_displayed(view)) {
2594 if (old_offset != view->offset) {
2597 draw_view_line(view, old_lineno - view->offset);
2598 draw_view_line(view, view->lineno - view->offset);
2599 wnoutrefresh(view->win);
2602 view->ops->select(view, &view->line[view->lineno]);
2608 find_next(struct view *view, enum request request)
2610 unsigned long lineno = view->lineno;
2615 report("No previous search");
2617 search_view(view, request);
2627 case REQ_SEARCH_BACK:
2636 if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV)
2637 lineno += direction;
2639 /* Note, lineno is unsigned long so will wrap around in which case it
2640 * will become bigger than view->lines. */
2641 for (; lineno < view->lines; lineno += direction) {
2642 if (view->ops->grep(view, &view->line[lineno])) {
2643 select_view_line(view, lineno);
2644 report("Line %ld matches '%s'", lineno + 1, view->grep);
2649 report("No match found for '%s'", view->grep);
2653 search_view(struct view *view, enum request request)
2658 regfree(view->regex);
2661 view->regex = calloc(1, sizeof(*view->regex));
2666 regex_err = regcomp(view->regex, opt_search, REG_EXTENDED);
2667 if (regex_err != 0) {
2668 char buf[SIZEOF_STR] = "unknown error";
2670 regerror(regex_err, view->regex, buf, sizeof(buf));
2671 report("Search failed: %s", buf);
2675 string_copy(view->grep, opt_search);
2677 find_next(view, request);
2681 * Incremental updating
2685 reset_view(struct view *view)
2689 for (i = 0; i < view->lines; i++)
2690 free(view->line[i].data);
2693 view->p_offset = view->offset;
2694 view->p_yoffset = view->yoffset;
2695 view->p_lineno = view->lineno;
2703 view->update_secs = 0;
2707 free_argv(const char *argv[])
2711 for (argc = 0; argv[argc]; argc++)
2712 free((void *) argv[argc]);
2716 format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags flags)
2718 char buf[SIZEOF_STR];
2720 bool noreplace = flags == FORMAT_NONE;
2722 free_argv(dst_argv);
2724 for (argc = 0; src_argv[argc]; argc++) {
2725 const char *arg = src_argv[argc];
2729 char *next = strstr(arg, "%(");
2730 int len = next - arg;
2733 if (!next || noreplace) {
2734 if (flags == FORMAT_DASH && !strcmp(arg, "--"))
2739 } else if (!prefixcmp(next, "%(directory)")) {
2742 } else if (!prefixcmp(next, "%(file)")) {
2745 } else if (!prefixcmp(next, "%(ref)")) {
2746 value = *opt_ref ? opt_ref : "HEAD";
2748 } else if (!prefixcmp(next, "%(head)")) {
2751 } else if (!prefixcmp(next, "%(commit)")) {
2754 } else if (!prefixcmp(next, "%(blob)")) {
2758 report("Unknown replacement: `%s`", next);
2762 if (!string_format_from(buf, &bufpos, "%.*s%s", len, arg, value))
2765 arg = next && !noreplace ? strchr(next, ')') + 1 : NULL;
2768 dst_argv[argc] = strdup(buf);
2769 if (!dst_argv[argc])
2773 dst_argv[argc] = NULL;
2775 return src_argv[argc] == NULL;
2779 restore_view_position(struct view *view)
2781 if (!view->p_restore || (view->pipe && view->lines <= view->p_lineno))
2784 /* Changing the view position cancels the restoring. */
2785 /* FIXME: Changing back to the first line is not detected. */
2786 if (view->offset != 0 || view->lineno != 0) {
2787 view->p_restore = FALSE;
2791 if (goto_view_line(view, view->p_offset, view->p_lineno) &&
2792 view_is_displayed(view))
2795 view->yoffset = view->p_yoffset;
2796 view->p_restore = FALSE;
2802 end_update(struct view *view, bool force)
2806 while (!view->ops->read(view, NULL))
2809 set_nonblocking_input(FALSE);
2811 kill_io(view->pipe);
2812 done_io(view->pipe);
2817 setup_update(struct view *view, const char *vid)
2819 set_nonblocking_input(TRUE);
2821 string_copy_rev(view->vid, vid);
2822 view->pipe = &view->io;
2823 view->start_time = time(NULL);
2827 prepare_update(struct view *view, const char *argv[], const char *dir,
2828 enum format_flags flags)
2831 end_update(view, TRUE);
2832 return init_io_rd(&view->io, argv, dir, flags);
2836 prepare_update_file(struct view *view, const char *name)
2839 end_update(view, TRUE);
2840 return io_open(&view->io, name);
2844 begin_update(struct view *view, bool refresh)
2847 end_update(view, TRUE);
2850 if (!start_io(&view->io))
2854 if (view == VIEW(REQ_VIEW_TREE) && strcmp(view->vid, view->id))
2857 if (!run_io_rd(&view->io, view->ops->argv, FORMAT_ALL))
2860 /* Put the current ref_* value to the view title ref
2861 * member. This is needed by the blob view. Most other
2862 * views sets it automatically after loading because the
2863 * first line is a commit line. */
2864 string_copy_rev(view->ref, view->id);
2867 setup_update(view, view->id);
2873 update_view(struct view *view)
2875 char out_buffer[BUFSIZ * 2];
2877 /* Clear the view and redraw everything since the tree sorting
2878 * might have rearranged things. */
2879 bool redraw = view->lines == 0;
2880 bool can_read = TRUE;
2885 if (!io_can_read(view->pipe)) {
2886 if (view->lines == 0 && view_is_displayed(view)) {
2887 time_t secs = time(NULL) - view->start_time;
2889 if (secs > 1 && secs > view->update_secs) {
2890 if (view->update_secs == 0)
2892 update_view_title(view);
2893 view->update_secs = secs;
2899 for (; (line = io_get(view->pipe, '\n', can_read)); can_read = FALSE) {
2900 if (opt_iconv != ICONV_NONE) {
2901 ICONV_CONST char *inbuf = line;
2902 size_t inlen = strlen(line) + 1;
2904 char *outbuf = out_buffer;
2905 size_t outlen = sizeof(out_buffer);
2909 ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen);
2910 if (ret != (size_t) -1)
2914 if (!view->ops->read(view, line)) {
2915 report("Allocation failure");
2916 end_update(view, TRUE);
2922 unsigned long lines = view->lines;
2925 for (digits = 0; lines; digits++)
2928 /* Keep the displayed view in sync with line number scaling. */
2929 if (digits != view->digits) {
2930 view->digits = digits;
2931 if (opt_line_number || view == VIEW(REQ_VIEW_BLAME))
2936 if (io_error(view->pipe)) {
2937 report("Failed to read: %s", io_strerror(view->pipe));
2938 end_update(view, TRUE);
2940 } else if (io_eof(view->pipe)) {
2942 end_update(view, FALSE);
2945 if (restore_view_position(view))
2948 if (!view_is_displayed(view))
2952 redraw_view_from(view, 0);
2954 redraw_view_dirty(view);
2956 /* Update the title _after_ the redraw so that if the redraw picks up a
2957 * commit reference in view->ref it'll be available here. */
2958 update_view_title(view);
2960 /* Redraw menu if needed */
2966 DEFINE_ALLOCATOR(realloc_lines, struct line, 256)
2968 static struct line *
2969 add_line_data(struct view *view, void *data, enum line_type type)
2973 if (!realloc_lines(&view->line, view->lines, 1))
2976 line = &view->line[view->lines++];
2977 memset(line, 0, sizeof(*line));
2985 static struct line *
2986 add_line_text(struct view *view, const char *text, enum line_type type)
2988 char *data = text ? strdup(text) : NULL;
2990 return data ? add_line_data(view, data, type) : NULL;
2993 static struct line *
2994 add_line_format(struct view *view, enum line_type type, const char *fmt, ...)
2996 char buf[SIZEOF_STR];
2999 va_start(args, fmt);
3000 if (vsnprintf(buf, sizeof(buf), fmt, args) >= sizeof(buf))
3004 return buf[0] ? add_line_text(view, buf, type) : NULL;
3012 OPEN_DEFAULT = 0, /* Use default view switching. */
3013 OPEN_SPLIT = 1, /* Split current view. */
3014 OPEN_RELOAD = 4, /* Reload view even if it is the current. */
3015 OPEN_REFRESH = 16, /* Refresh view using previous command. */
3016 OPEN_PREPARED = 32, /* Open already prepared command. */
3020 open_view(struct view *prev, enum request request, enum open_flags flags)
3022 bool split = !!(flags & OPEN_SPLIT);
3023 bool reload = !!(flags & (OPEN_RELOAD | OPEN_REFRESH | OPEN_PREPARED));
3024 bool nomaximize = !!(flags & OPEN_REFRESH);
3025 struct view *view = VIEW(request);
3026 int nviews = displayed_views();
3027 struct view *base_view = display[0];
3029 if (view == prev && nviews == 1 && !reload) {
3030 report("Already in %s view", view->name);
3034 if (view->git_dir && !opt_git_dir[0]) {
3035 report("The %s view is disabled in pager view", view->name);
3042 } else if (!nomaximize) {
3043 /* Maximize the current view. */
3044 memset(display, 0, sizeof(display));
3046 display[current_view] = view;
3049 /* Resize the view when switching between split- and full-screen,
3050 * or when switching between two different full-screen views. */
3051 if (nviews != displayed_views() ||
3052 (nviews == 1 && base_view != display[0]))
3055 if (view->ops->open) {
3057 end_update(view, TRUE);
3058 if (!view->ops->open(view)) {
3059 report("Failed to load %s view", view->name);
3062 restore_view_position(view);
3064 } else if ((reload || strcmp(view->vid, view->id)) &&
3065 !begin_update(view, flags & (OPEN_REFRESH | OPEN_PREPARED))) {
3066 report("Failed to load %s view", view->name);
3070 if (split && prev->lineno - prev->offset >= prev->height) {
3071 /* Take the title line into account. */
3072 int lines = prev->lineno - prev->offset - prev->height + 1;
3074 /* Scroll the view that was split if the current line is
3075 * outside the new limited view. */
3076 do_scroll_view(prev, lines);
3079 if (prev && view != prev) {
3081 /* "Blur" the previous view. */
3082 update_view_title(prev);
3085 view->parent = prev;
3088 if (view->pipe && view->lines == 0) {
3089 /* Clear the old view and let the incremental updating refill
3092 view->p_restore = flags & (OPEN_RELOAD | OPEN_REFRESH);
3094 } else if (view_is_displayed(view)) {
3101 open_external_viewer(const char *argv[], const char *dir)
3103 def_prog_mode(); /* save current tty modes */
3104 endwin(); /* restore original tty modes */
3105 run_io_fg(argv, dir);
3106 fprintf(stderr, "Press Enter to continue");
3109 redraw_display(TRUE);
3113 open_mergetool(const char *file)
3115 const char *mergetool_argv[] = { "git", "mergetool", file, NULL };
3117 open_external_viewer(mergetool_argv, opt_cdup);
3121 open_editor(bool from_root, const char *file)
3123 const char *editor_argv[] = { "vi", file, NULL };
3126 editor = getenv("GIT_EDITOR");
3127 if (!editor && *opt_editor)
3128 editor = opt_editor;
3130 editor = getenv("VISUAL");
3132 editor = getenv("EDITOR");
3136 editor_argv[0] = editor;
3137 open_external_viewer(editor_argv, from_root ? opt_cdup : NULL);
3141 open_run_request(enum request request)
3143 struct run_request *req = get_run_request(request);
3144 const char *argv[ARRAY_SIZE(req->argv)] = { NULL };
3147 report("Unknown run request");
3151 if (format_argv(argv, req->argv, FORMAT_ALL))
3152 open_external_viewer(argv, NULL);
3157 * User request switch noodle
3161 view_driver(struct view *view, enum request request)
3165 if (request == REQ_NONE)
3168 if (request > REQ_NONE) {
3169 open_run_request(request);
3170 /* FIXME: When all views can refresh always do this. */
3171 if (view == VIEW(REQ_VIEW_STATUS) ||
3172 view == VIEW(REQ_VIEW_MAIN) ||
3173 view == VIEW(REQ_VIEW_LOG) ||
3174 view == VIEW(REQ_VIEW_BRANCH) ||
3175 view == VIEW(REQ_VIEW_STAGE))
3176 request = REQ_REFRESH;
3181 if (view && view->lines) {
3182 request = view->ops->request(view, request, &view->line[view->lineno]);
3183 if (request == REQ_NONE)
3190 case REQ_MOVE_PAGE_UP:
3191 case REQ_MOVE_PAGE_DOWN:
3192 case REQ_MOVE_FIRST_LINE:
3193 case REQ_MOVE_LAST_LINE:
3194 move_view(view, request);
3197 case REQ_SCROLL_LEFT:
3198 case REQ_SCROLL_RIGHT:
3199 case REQ_SCROLL_LINE_DOWN:
3200 case REQ_SCROLL_LINE_UP:
3201 case REQ_SCROLL_PAGE_DOWN:
3202 case REQ_SCROLL_PAGE_UP:
3203 scroll_view(view, request);
3206 case REQ_VIEW_BLAME:
3208 report("No file chosen, press %s to open tree view",
3209 get_key(REQ_VIEW_TREE));
3212 open_view(view, request, OPEN_DEFAULT);
3217 report("No file chosen, press %s to open tree view",
3218 get_key(REQ_VIEW_TREE));
3221 open_view(view, request, OPEN_DEFAULT);
3224 case REQ_VIEW_PAGER:
3225 if (!VIEW(REQ_VIEW_PAGER)->pipe && !VIEW(REQ_VIEW_PAGER)->lines) {
3226 report("No pager content, press %s to run command from prompt",
3227 get_key(REQ_PROMPT));
3230 open_view(view, request, OPEN_DEFAULT);
3233 case REQ_VIEW_STAGE:
3234 if (!VIEW(REQ_VIEW_STAGE)->lines) {
3235 report("No stage content, press %s to open the status view and choose file",
3236 get_key(REQ_VIEW_STATUS));
3239 open_view(view, request, OPEN_DEFAULT);
3242 case REQ_VIEW_STATUS:
3243 if (opt_is_inside_work_tree == FALSE) {
3244 report("The status view requires a working tree");
3247 open_view(view, request, OPEN_DEFAULT);
3255 case REQ_VIEW_BRANCH:
3256 open_view(view, request, OPEN_DEFAULT);
3261 request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP;
3263 if ((view == VIEW(REQ_VIEW_DIFF) &&
3264 view->parent == VIEW(REQ_VIEW_MAIN)) ||
3265 (view == VIEW(REQ_VIEW_DIFF) &&
3266 view->parent == VIEW(REQ_VIEW_BLAME)) ||
3267 (view == VIEW(REQ_VIEW_STAGE) &&
3268 view->parent == VIEW(REQ_VIEW_STATUS)) ||
3269 (view == VIEW(REQ_VIEW_BLOB) &&
3270 view->parent == VIEW(REQ_VIEW_TREE)) ||
3271 (view == VIEW(REQ_VIEW_MAIN) &&
3272 view->parent == VIEW(REQ_VIEW_BRANCH))) {
3275 view = view->parent;
3276 line = view->lineno;
3277 move_view(view, request);
3278 if (view_is_displayed(view))
3279 update_view_title(view);
3280 if (line != view->lineno)
3281 view->ops->request(view, REQ_ENTER,
3282 &view->line[view->lineno]);
3285 move_view(view, request);
3291 int nviews = displayed_views();
3292 int next_view = (current_view + 1) % nviews;
3294 if (next_view == current_view) {
3295 report("Only one view is displayed");
3299 current_view = next_view;
3300 /* Blur out the title of the previous view. */
3301 update_view_title(view);
3306 report("Refreshing is not yet supported for the %s view", view->name);
3310 if (displayed_views() == 2)
3311 maximize_view(view);
3318 case REQ_TOGGLE_LINENO:
3319 toggle_view_option(&opt_line_number, "line numbers");
3322 case REQ_TOGGLE_DATE:
3323 toggle_view_option(&opt_date, "date display");
3326 case REQ_TOGGLE_AUTHOR:
3327 toggle_view_option(&opt_author, "author display");
3330 case REQ_TOGGLE_REV_GRAPH:
3331 toggle_view_option(&opt_rev_graph, "revision graph display");
3334 case REQ_TOGGLE_REFS:
3335 toggle_view_option(&opt_show_refs, "reference display");
3338 case REQ_TOGGLE_SORT_FIELD:
3339 case REQ_TOGGLE_SORT_ORDER:
3340 report("Sorting is not yet supported for the %s view", view->name);
3344 case REQ_SEARCH_BACK:
3345 search_view(view, request);
3350 find_next(view, request);
3353 case REQ_STOP_LOADING:
3354 for (i = 0; i < ARRAY_SIZE(views); i++) {
3357 report("Stopped loading the %s view", view->name),
3358 end_update(view, TRUE);
3362 case REQ_SHOW_VERSION:
3363 report("tig-%s (built %s)", TIG_VERSION, __DATE__);
3366 case REQ_SCREEN_REDRAW:
3367 redraw_display(TRUE);
3371 report("Nothing to edit");
3375 report("Nothing to enter");
3378 case REQ_VIEW_CLOSE:
3379 /* XXX: Mark closed views by letting view->parent point to the
3380 * view itself. Parents to closed view should never be
3383 view->parent->parent != view->parent) {
3384 maximize_view(view->parent);
3385 view->parent = view;
3393 report("Unknown key, press 'h' for help");
3402 * View backend utilities
3412 const enum sort_field *fields;
3413 size_t size, current;
3417 #define SORT_STATE(fields) { fields, ARRAY_SIZE(fields), 0 }
3418 #define get_sort_field(state) ((state).fields[(state).current])
3419 #define sort_order(state, result) ((state).reverse ? -(result) : (result))
3422 sort_view(struct view *view, enum request request, struct sort_state *state,
3423 int (*compare)(const void *, const void *))
3426 case REQ_TOGGLE_SORT_FIELD:
3427 state->current = (state->current + 1) % state->size;
3430 case REQ_TOGGLE_SORT_ORDER:
3431 state->reverse = !state->reverse;
3434 die("Not a sort request");
3437 qsort(view->line, view->lines, sizeof(*view->line), compare);
3441 DEFINE_ALLOCATOR(realloc_authors, const char *, 256)
3443 /* Small author cache to reduce memory consumption. It uses binary
3444 * search to lookup or find place to position new entries. No entries
3445 * are ever freed. */
3447 get_author(const char *name)
3449 static const char **authors;
3450 static size_t authors_size;
3451 int from = 0, to = authors_size - 1;
3453 while (from <= to) {
3454 size_t pos = (to + from) / 2;
3455 int cmp = strcmp(name, authors[pos]);
3458 return authors[pos];
3466 if (!realloc_authors(&authors, authors_size, 1))
3468 name = strdup(name);
3472 memmove(authors + from + 1, authors + from, (authors_size - from) * sizeof(*authors));
3473 authors[from] = name;
3480 parse_timezone(time_t *time, const char *zone)
3484 tz = ('0' - zone[1]) * 60 * 60 * 10;
3485 tz += ('0' - zone[2]) * 60 * 60;
3486 tz += ('0' - zone[3]) * 60;
3487 tz += ('0' - zone[4]);
3495 /* Parse author lines where the name may be empty:
3496 * author <email@address.tld> 1138474660 +0100
3499 parse_author_line(char *ident, const char **author, time_t *time)
3501 char *nameend = strchr(ident, '<');
3502 char *emailend = strchr(ident, '>');
3504 if (nameend && emailend)
3505 *nameend = *emailend = 0;
3506 ident = chomp_string(ident);
3509 ident = chomp_string(nameend + 1);
3514 *author = get_author(ident);
3516 /* Parse epoch and timezone */
3517 if (emailend && emailend[1] == ' ') {
3518 char *secs = emailend + 2;
3519 char *zone = strchr(secs, ' ');
3521 *time = (time_t) atol(secs);
3523 if (zone && strlen(zone) == STRING_SIZE(" +0700"))
3524 parse_timezone(time, zone + 1);
3529 open_commit_parent_menu(char buf[SIZEOF_STR], int *parents)
3531 char rev[SIZEOF_REV];
3532 const char *revlist_argv[] = {
3533 "git", "log", "--no-color", "-1", "--pretty=format:%s", rev, NULL
3535 struct menu_item *items;
3536 char text[SIZEOF_STR];
3540 items = calloc(*parents + 1, sizeof(*items));
3544 for (i = 0; i < *parents; i++) {
3545 string_copy_rev(rev, &buf[SIZEOF_REV * i]);
3546 if (!run_io_buf(revlist_argv, text, sizeof(text)) ||
3547 !(items[i].text = strdup(text))) {
3555 ok = prompt_menu("Select parent", items, parents);
3557 for (i = 0; items[i].text; i++)
3558 free((char *) items[i].text);
3564 select_commit_parent(const char *id, char rev[SIZEOF_REV], const char *path)
3566 char buf[SIZEOF_STR * 4];
3567 const char *revlist_argv[] = {
3568 "git", "log", "--no-color", "-1",
3569 "--pretty=format:%P", id, "--", path, NULL
3573 if (!run_io_buf(revlist_argv, buf, sizeof(buf)) ||
3574 (parents = strlen(buf) / 40) < 0) {
3575 report("Failed to get parent information");
3578 } else if (parents == 0) {
3580 report("Path '%s' does not exist in the parent", path);
3582 report("The selected commit has no parents");
3586 if (parents > 1 && !open_commit_parent_menu(buf, &parents))
3589 string_copy_rev(rev, &buf[41 * parents]);
3598 pager_draw(struct view *view, struct line *line, unsigned int lineno)
3600 char text[SIZEOF_STR];
3602 if (opt_line_number && draw_lineno(view, lineno))
3605 string_expand(text, sizeof(text), line->data, opt_tab_size);
3606 draw_text(view, line->type, text, TRUE);
3611 add_describe_ref(char *buf, size_t *bufpos, const char *commit_id, const char *sep)
3613 const char *describe_argv[] = { "git", "describe", commit_id, NULL };
3614 char ref[SIZEOF_STR];
3616 if (!run_io_buf(describe_argv, ref, sizeof(ref)) || !*ref)
3619 /* This is the only fatal call, since it can "corrupt" the buffer. */
3620 if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref))
3627 add_pager_refs(struct view *view, struct line *line)
3629 char buf[SIZEOF_STR];
3630 char *commit_id = (char *)line->data + STRING_SIZE("commit ");
3631 struct ref_list *list;
3632 size_t bufpos = 0, i;
3633 const char *sep = "Refs: ";
3634 bool is_tag = FALSE;
3636 assert(line->type == LINE_COMMIT);
3638 list = get_ref_list(commit_id);
3640 if (view == VIEW(REQ_VIEW_DIFF))
3641 goto try_add_describe_ref;
3645 for (i = 0; i < list->size; i++) {
3646 struct ref *ref = list->refs[i];
3647 const char *fmt = ref->tag ? "%s[%s]" :
3648 ref->remote ? "%s<%s>" : "%s%s";
3650 if (!string_format_from(buf, &bufpos, fmt, sep, ref->name))
3657 if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) {
3658 try_add_describe_ref:
3659 /* Add <tag>-g<commit_id> "fake" reference. */
3660 if (!add_describe_ref(buf, &bufpos, commit_id, sep))
3667 add_line_text(view, buf, LINE_PP_REFS);
3671 pager_read(struct view *view, char *data)
3678 line = add_line_text(view, data, get_line_type(data));
3682 if (line->type == LINE_COMMIT &&
3683 (view == VIEW(REQ_VIEW_DIFF) ||
3684 view == VIEW(REQ_VIEW_LOG)))
3685 add_pager_refs(view, line);
3691 pager_request(struct view *view, enum request request, struct line *line)
3695 if (request != REQ_ENTER)
3698 if (line->type == LINE_COMMIT &&
3699 (view == VIEW(REQ_VIEW_LOG) ||
3700 view == VIEW(REQ_VIEW_PAGER))) {
3701 open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT);
3705 /* Always scroll the view even if it was split. That way
3706 * you can use Enter to scroll through the log view and
3707 * split open each commit diff. */
3708 scroll_view(view, REQ_SCROLL_LINE_DOWN);
3710 /* FIXME: A minor workaround. Scrolling the view will call report("")
3711 * but if we are scrolling a non-current view this won't properly
3712 * update the view title. */
3714 update_view_title(view);
3720 pager_grep(struct view *view, struct line *line)
3722 const char *text[] = { line->data, NULL };
3724 return grep_text(view, text);
3728 pager_select(struct view *view, struct line *line)
3730 if (line->type == LINE_COMMIT) {
3731 char *text = (char *)line->data + STRING_SIZE("commit ");
3733 if (view != VIEW(REQ_VIEW_PAGER))
3734 string_copy_rev(view->ref, text);
3735 string_copy_rev(ref_commit, text);
3739 static struct view_ops pager_ops = {
3750 static const char *log_argv[SIZEOF_ARG] = {
3751 "git", "log", "--no-color", "--cc", "--stat", "-n100", "%(head)", NULL
3755 log_request(struct view *view, enum request request, struct line *line)
3760 open_view(view, REQ_VIEW_LOG, OPEN_REFRESH);
3763 return pager_request(view, request, line);
3767 static struct view_ops log_ops = {
3778 static const char *diff_argv[SIZEOF_ARG] = {
3779 "git", "show", "--pretty=fuller", "--no-color", "--root",
3780 "--patch-with-stat", "--find-copies-harder", "-C", "%(commit)", NULL
3783 static struct view_ops diff_ops = {
3799 help_open(struct view *view)
3801 char buf[SIZEOF_STR];
3805 if (view->lines > 0)
3808 add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT);
3810 for (i = 0; i < ARRAY_SIZE(req_info); i++) {
3813 if (req_info[i].request == REQ_NONE)
3816 if (!req_info[i].request) {
3817 add_line_text(view, "", LINE_DEFAULT);
3818 add_line_text(view, req_info[i].help, LINE_DEFAULT);
3822 key = get_key(req_info[i].request);
3824 key = "(no key defined)";
3826 for (bufpos = 0; bufpos <= req_info[i].namelen; bufpos++) {
3827 buf[bufpos] = tolower(req_info[i].name[bufpos]);
3828 if (buf[bufpos] == '_')
3832 add_line_format(view, LINE_DEFAULT, " %-25s %-20s %s",
3833 key, buf, req_info[i].help);
3837 add_line_text(view, "", LINE_DEFAULT);
3838 add_line_text(view, "External commands:", LINE_DEFAULT);
3841 for (i = 0; i < run_requests; i++) {
3842 struct run_request *req = get_run_request(REQ_NONE + i + 1);
3849 key = get_key_name(req->key);
3851 key = "(no key defined)";
3853 for (bufpos = 0, argc = 0; req->argv[argc]; argc++)
3854 if (!string_format_from(buf, &bufpos, "%s%s",
3855 argc ? " " : "", req->argv[argc]))
3858 add_line_format(view, LINE_DEFAULT, " %-10s %-14s `%s`",
3859 keymap_table[req->keymap].name, key, buf);
3865 static struct view_ops help_ops = {
3881 struct tree_stack_entry {
3882 struct tree_stack_entry *prev; /* Entry below this in the stack */
3883 unsigned long lineno; /* Line number to restore */
3884 char *name; /* Position of name in opt_path */
3887 /* The top of the path stack. */
3888 static struct tree_stack_entry *tree_stack = NULL;
3889 unsigned long tree_lineno = 0;
3892 pop_tree_stack_entry(void)
3894 struct tree_stack_entry *entry = tree_stack;
3896 tree_lineno = entry->lineno;
3898 tree_stack = entry->prev;
3903 push_tree_stack_entry(const char *name, unsigned long lineno)
3905 struct tree_stack_entry *entry = calloc(1, sizeof(*entry));
3906 size_t pathlen = strlen(opt_path);
3911 entry->prev = tree_stack;
3912 entry->name = opt_path + pathlen;
3915 if (!string_format_from(opt_path, &pathlen, "%s/", name)) {
3916 pop_tree_stack_entry();
3920 /* Move the current line to the first tree entry. */
3922 entry->lineno = lineno;
3925 /* Parse output from git-ls-tree(1):
3927 * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c
3930 #define SIZEOF_TREE_ATTR \
3931 STRING_SIZE("100644 blob f931e1d229c3e185caad4449bf5b66ed72462657\t")
3933 #define SIZEOF_TREE_MODE \
3934 STRING_SIZE("100644 ")
3936 #define TREE_ID_OFFSET \
3937 STRING_SIZE("100644 blob ")
3940 char id[SIZEOF_REV];
3942 time_t time; /* Date from the author ident. */
3943 const char *author; /* Author of the commit. */
3948 tree_path(const struct line *line)
3950 return ((struct tree_entry *) line->data)->name;
3954 tree_compare_entry(const struct line *line1, const struct line *line2)
3956 if (line1->type != line2->type)
3957 return line1->type == LINE_TREE_DIR ? -1 : 1;
3958 return strcmp(tree_path(line1), tree_path(line2));
3961 static const enum sort_field tree_sort_fields[] = {
3962 ORDERBY_NAME, ORDERBY_DATE, ORDERBY_AUTHOR
3964 static struct sort_state tree_sort_state = SORT_STATE(tree_sort_fields);
3967 tree_compare(const void *l1, const void *l2)
3969 const struct line *line1 = (const struct line *) l1;
3970 const struct line *line2 = (const struct line *) l2;
3971 const struct tree_entry *entry1 = ((const struct line *) l1)->data;
3972 const struct tree_entry *entry2 = ((const struct line *) l2)->data;
3974 if (line1->type == LINE_TREE_HEAD)
3976 if (line2->type == LINE_TREE_HEAD)
3979 switch (get_sort_field(tree_sort_state)) {
3981 return sort_order(tree_sort_state, entry1->time - entry2->time);
3983 case ORDERBY_AUTHOR:
3984 return sort_order(tree_sort_state, strcmp(entry1->author, entry2->author));
3988 return sort_order(tree_sort_state, tree_compare_entry(line1, line2));
3993 static struct line *
3994 tree_entry(struct view *view, enum line_type type, const char *path,
3995 const char *mode, const char *id)
3997 struct tree_entry *entry = calloc(1, sizeof(*entry) + strlen(path));
3998 struct line *line = entry ? add_line_data(view, entry, type) : NULL;
4000 if (!entry || !line) {
4005 strncpy(entry->name, path, strlen(path));
4007 entry->mode = strtoul(mode, NULL, 8);
4009 string_copy_rev(entry->id, id);
4015 tree_read_date(struct view *view, char *text, bool *read_date)
4017 static const char *author_name;
4018 static time_t author_time;
4020 if (!text && *read_date) {
4025 char *path = *opt_path ? opt_path : ".";
4026 /* Find next entry to process */
4027 const char *log_file[] = {
4028 "git", "log", "--no-color", "--pretty=raw",
4029 "--cc", "--raw", view->id, "--", path, NULL
4034 tree_entry(view, LINE_TREE_HEAD, opt_path, NULL, NULL);
4035 report("Tree is empty");
4039 if (!run_io_rd(&io, log_file, FORMAT_NONE)) {
4040 report("Failed to load tree data");
4044 done_io(view->pipe);
4049 } else if (*text == 'a' && get_line_type(text) == LINE_AUTHOR) {
4050 parse_author_line(text + STRING_SIZE("author "),
4051 &author_name, &author_time);
4053 } else if (*text == ':') {
4055 size_t annotated = 1;
4058 pos = strchr(text, '\t');
4062 if (*opt_prefix && !strncmp(text, opt_prefix, strlen(opt_prefix)))
4063 text += strlen(opt_prefix);
4064 if (*opt_path && !strncmp(text, opt_path, strlen(opt_path)))
4065 text += strlen(opt_path);
4066 pos = strchr(text, '/');
4070 for (i = 1; i < view->lines; i++) {
4071 struct line *line = &view->line[i];
4072 struct tree_entry *entry = line->data;
4074 annotated += !!entry->author;
4075 if (entry->author || strcmp(entry->name, text))
4078 entry->author = author_name;
4079 entry->time = author_time;
4084 if (annotated == view->lines)
4085 kill_io(view->pipe);
4091 tree_read(struct view *view, char *text)
4093 static bool read_date = FALSE;
4094 struct tree_entry *data;
4095 struct line *entry, *line;
4096 enum line_type type;
4097 size_t textlen = text ? strlen(text) : 0;
4098 char *path = text + SIZEOF_TREE_ATTR;
4100 if (read_date || !text)
4101 return tree_read_date(view, text, &read_date);
4103 if (textlen <= SIZEOF_TREE_ATTR)
4105 if (view->lines == 0 &&
4106 !tree_entry(view, LINE_TREE_HEAD, opt_path, NULL, NULL))
4109 /* Strip the path part ... */
4111 size_t pathlen = textlen - SIZEOF_TREE_ATTR;
4112 size_t striplen = strlen(opt_path);
4114 if (pathlen > striplen)
4115 memmove(path, path + striplen,
4116 pathlen - striplen + 1);
4118 /* Insert "link" to parent directory. */
4119 if (view->lines == 1 &&
4120 !tree_entry(view, LINE_TREE_DIR, "..", "040000", view->ref))
4124 type = text[SIZEOF_TREE_MODE] == 't' ? LINE_TREE_DIR : LINE_TREE_FILE;
4125 entry = tree_entry(view, type, path, text, text + TREE_ID_OFFSET);
4130 /* Skip "Directory ..." and ".." line. */
4131 for (line = &view->line[1 + !!*opt_path]; line < entry; line++) {
4132 if (tree_compare_entry(line, entry) <= 0)
4135 memmove(line + 1, line, (entry - line) * sizeof(*entry));
4139 for (; line <= entry; line++)
4140 line->dirty = line->cleareol = 1;
4144 if (tree_lineno > view->lineno) {
4145 view->lineno = tree_lineno;
4153 tree_draw(struct view *view, struct line *line, unsigned int lineno)
4155 struct tree_entry *entry = line->data;
4157 if (line->type == LINE_TREE_HEAD) {
4158 if (draw_text(view, line->type, "Directory path /", TRUE))
4161 if (draw_mode(view, entry->mode))
4164 if (opt_author && draw_author(view, entry->author))
4167 if (opt_date && draw_date(view, entry->author ? &entry->time : NULL))
4170 if (draw_text(view, line->type, entry->name, TRUE))
4178 char file[SIZEOF_STR] = "/tmp/tigblob.XXXXXX";
4179 int fd = mkstemp(file);
4182 report("Failed to create temporary file");
4183 else if (!run_io_append(blob_ops.argv, FORMAT_ALL, fd))
4184 report("Failed to save blob data to file");
4186 open_editor(FALSE, file);
4192 tree_request(struct view *view, enum request request, struct line *line)
4194 enum open_flags flags;
4197 case REQ_VIEW_BLAME:
4198 if (line->type != LINE_TREE_FILE) {
4199 report("Blame only supported for files");
4203 string_copy(opt_ref, view->vid);
4207 if (line->type != LINE_TREE_FILE) {
4208 report("Edit only supported for files");
4209 } else if (!is_head_commit(view->vid)) {
4212 open_editor(TRUE, opt_file);
4216 case REQ_TOGGLE_SORT_FIELD:
4217 case REQ_TOGGLE_SORT_ORDER:
4218 sort_view(view, request, &tree_sort_state, tree_compare);
4223 /* quit view if at top of tree */
4224 return REQ_VIEW_CLOSE;
4227 line = &view->line[1];
4237 /* Cleanup the stack if the tree view is at a different tree. */
4238 while (!*opt_path && tree_stack)
4239 pop_tree_stack_entry();
4241 switch (line->type) {
4243 /* Depending on whether it is a subdirectory or parent link
4244 * mangle the path buffer. */
4245 if (line == &view->line[1] && *opt_path) {
4246 pop_tree_stack_entry();
4249 const char *basename = tree_path(line);
4251 push_tree_stack_entry(basename, view->lineno);
4254 /* Trees and subtrees share the same ID, so they are not not
4255 * unique like blobs. */
4256 flags = OPEN_RELOAD;
4257 request = REQ_VIEW_TREE;
4260 case LINE_TREE_FILE:
4261 flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
4262 request = REQ_VIEW_BLOB;
4269 open_view(view, request, flags);
4270 if (request == REQ_VIEW_TREE)
4271 view->lineno = tree_lineno;
4277 tree_grep(struct view *view, struct line *line)
4279 struct tree_entry *entry = line->data;
4280 const char *text[] = {
4282 opt_author ? entry->author : "",
4283 opt_date ? mkdate(&entry->time) : "",
4287 return grep_text(view, text);
4291 tree_select(struct view *view, struct line *line)
4293 struct tree_entry *entry = line->data;
4295 if (line->type == LINE_TREE_FILE) {
4296 string_copy_rev(ref_blob, entry->id);
4297 string_format(opt_file, "%s%s", opt_path, tree_path(line));
4299 } else if (line->type != LINE_TREE_DIR) {
4303 string_copy_rev(view->ref, entry->id);
4306 static const char *tree_argv[SIZEOF_ARG] = {
4307 "git", "ls-tree", "%(commit)", "%(directory)", NULL
4310 static struct view_ops tree_ops = {
4322 blob_read(struct view *view, char *line)
4326 return add_line_text(view, line, LINE_DEFAULT) != NULL;
4330 blob_request(struct view *view, enum request request, struct line *line)
4337 return pager_request(view, request, line);
4341 static const char *blob_argv[SIZEOF_ARG] = {
4342 "git", "cat-file", "blob", "%(blob)", NULL
4345 static struct view_ops blob_ops = {
4359 * Loading the blame view is a two phase job:
4361 * 1. File content is read either using opt_file from the
4362 * filesystem or using git-cat-file.
4363 * 2. Then blame information is incrementally added by
4364 * reading output from git-blame.
4367 static const char *blame_head_argv[] = {
4368 "git", "blame", "--incremental", "--", "%(file)", NULL
4371 static const char *blame_ref_argv[] = {
4372 "git", "blame", "--incremental", "%(ref)", "--", "%(file)", NULL
4375 static const char *blame_cat_file_argv[] = {
4376 "git", "cat-file", "blob", "%(ref):%(file)", NULL
4379 struct blame_commit {
4380 char id[SIZEOF_REV]; /* SHA1 ID. */
4381 char title[128]; /* First line of the commit message. */
4382 const char *author; /* Author of the commit. */
4383 time_t time; /* Date from the author ident. */
4384 char filename[128]; /* Name of file. */
4385 bool has_previous; /* Was a "previous" line detected. */
4389 struct blame_commit *commit;
4390 unsigned long lineno;
4395 blame_open(struct view *view)
4397 if (*opt_ref || !io_open(&view->io, opt_file)) {
4398 if (!run_io_rd(&view->io, blame_cat_file_argv, FORMAT_ALL))
4402 setup_update(view, opt_file);
4403 string_format(view->ref, "%s ...", opt_file);
4408 static struct blame_commit *
4409 get_blame_commit(struct view *view, const char *id)
4413 for (i = 0; i < view->lines; i++) {
4414 struct blame *blame = view->line[i].data;
4419 if (!strncmp(blame->commit->id, id, SIZEOF_REV - 1))
4420 return blame->commit;
4424 struct blame_commit *commit = calloc(1, sizeof(*commit));
4427 string_ncopy(commit->id, id, SIZEOF_REV);
4433 parse_number(const char **posref, size_t *number, size_t min, size_t max)
4435 const char *pos = *posref;
4438 pos = strchr(pos + 1, ' ');
4439 if (!pos || !isdigit(pos[1]))
4441 *number = atoi(pos + 1);
4442 if (*number < min || *number > max)
4449 static struct blame_commit *
4450 parse_blame_commit(struct view *view, const char *text, int *blamed)
4452 struct blame_commit *commit;
4453 struct blame *blame;
4454 const char *pos = text + SIZEOF_REV - 2;
4455 size_t orig_lineno = 0;
4459 if (strlen(text) <= SIZEOF_REV || pos[1] != ' ')
4462 if (!parse_number(&pos, &orig_lineno, 1, 9999999) ||
4463 !parse_number(&pos, &lineno, 1, view->lines) ||
4464 !parse_number(&pos, &group, 1, view->lines - lineno + 1))
4467 commit = get_blame_commit(view, text);
4473 struct line *line = &view->line[lineno + group - 1];
4476 blame->commit = commit;
4477 blame->lineno = orig_lineno + group - 1;
4485 blame_read_file(struct view *view, const char *line, bool *read_file)
4488 const char **argv = *opt_ref ? blame_ref_argv : blame_head_argv;
4491 if (view->lines == 0 && !view->parent)
4492 die("No blame exist for %s", view->vid);
4494 if (view->lines == 0 || !run_io_rd(&io, argv, FORMAT_ALL)) {
4495 report("Failed to load blame data");
4499 done_io(view->pipe);
4505 size_t linelen = strlen(line);
4506 struct blame *blame = malloc(sizeof(*blame) + linelen);
4511 blame->commit = NULL;
4512 strncpy(blame->text, line, linelen);
4513 blame->text[linelen] = 0;
4514 return add_line_data(view, blame, LINE_BLAME_ID) != NULL;
4519 match_blame_header(const char *name, char **line)
4521 size_t namelen = strlen(name);
4522 bool matched = !strncmp(name, *line, namelen);
4531 blame_read(struct view *view, char *line)
4533 static struct blame_commit *commit = NULL;
4534 static int blamed = 0;
4535 static bool read_file = TRUE;
4538 return blame_read_file(view, line, &read_file);
4545 string_format(view->ref, "%s", view->vid);
4546 if (view_is_displayed(view)) {
4547 update_view_title(view);
4548 redraw_view_from(view, 0);
4554 commit = parse_blame_commit(view, line, &blamed);
4555 string_format(view->ref, "%s %2d%%", view->vid,
4556 view->lines ? blamed * 100 / view->lines : 0);
4558 } else if (match_blame_header("author ", &line)) {
4559 commit->author = get_author(line);
4561 } else if (match_blame_header("author-time ", &line)) {
4562 commit->time = (time_t) atol(line);
4564 } else if (match_blame_header("author-tz ", &line)) {
4565 parse_timezone(&commit->time, line);
4567 } else if (match_blame_header("summary ", &line)) {
4568 string_ncopy(commit->title, line, strlen(line));
4570 } else if (match_blame_header("previous ", &line)) {
4571 commit->has_previous = TRUE;
4573 } else if (match_blame_header("filename ", &line)) {
4574 string_ncopy(commit->filename, line, strlen(line));
4582 blame_draw(struct view *view, struct line *line, unsigned int lineno)
4584 struct blame *blame = line->data;
4585 time_t *time = NULL;
4586 const char *id = NULL, *author = NULL;
4587 char text[SIZEOF_STR];
4589 if (blame->commit && *blame->commit->filename) {
4590 id = blame->commit->id;
4591 author = blame->commit->author;
4592 time = &blame->commit->time;
4595 if (opt_date && draw_date(view, time))
4598 if (opt_author && draw_author(view, author))
4601 if (draw_field(view, LINE_BLAME_ID, id, ID_COLS, FALSE))
4604 if (draw_lineno(view, lineno))
4607 string_expand(text, sizeof(text), blame->text, opt_tab_size);
4608 draw_text(view, LINE_DEFAULT, text, TRUE);
4613 check_blame_commit(struct blame *blame, bool check_null_id)
4616 report("Commit data not loaded yet");
4617 else if (check_null_id && !strcmp(blame->commit->id, NULL_ID))
4618 report("No commit exist for the selected line");
4625 setup_blame_parent_line(struct view *view, struct blame *blame)
4627 const char *diff_tree_argv[] = {
4628 "git", "diff-tree", "-U0", blame->commit->id,
4629 "--", blame->commit->filename, NULL
4632 int parent_lineno = -1;
4633 int blamed_lineno = -1;
4636 if (!run_io(&io, diff_tree_argv, NULL, IO_RD))
4639 while ((line = io_get(&io, '\n', TRUE))) {
4641 char *pos = strchr(line, '+');
4643 parent_lineno = atoi(line + 4);
4645 blamed_lineno = atoi(pos + 1);
4647 } else if (*line == '+' && parent_lineno != -1) {
4648 if (blame->lineno == blamed_lineno - 1 &&
4649 !strcmp(blame->text, line + 1)) {
4650 view->lineno = parent_lineno ? parent_lineno - 1 : 0;
4661 blame_request(struct view *view, enum request request, struct line *line)
4663 enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
4664 struct blame *blame = line->data;
4667 case REQ_VIEW_BLAME:
4668 if (check_blame_commit(blame, TRUE)) {
4669 string_copy(opt_ref, blame->commit->id);
4670 string_copy(opt_file, blame->commit->filename);
4672 view->lineno = blame->lineno;
4673 open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
4678 if (check_blame_commit(blame, TRUE) &&
4679 select_commit_parent(blame->commit->id, opt_ref,
4680 blame->commit->filename)) {
4681 string_copy(opt_file, blame->commit->filename);
4682 setup_blame_parent_line(view, blame);
4683 open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
4688 if (!check_blame_commit(blame, FALSE))
4691 if (view_is_displayed(VIEW(REQ_VIEW_DIFF)) &&
4692 !strcmp(blame->commit->id, VIEW(REQ_VIEW_DIFF)->ref))
4695 if (!strcmp(blame->commit->id, NULL_ID)) {
4696 struct view *diff = VIEW(REQ_VIEW_DIFF);
4697 const char *diff_index_argv[] = {
4698 "git", "diff-index", "--root", "--patch-with-stat",
4699 "-C", "-M", "HEAD", "--", view->vid, NULL
4702 if (!blame->commit->has_previous) {
4703 diff_index_argv[1] = "diff";
4704 diff_index_argv[2] = "--no-color";
4705 diff_index_argv[6] = "--";
4706 diff_index_argv[7] = "/dev/null";
4709 if (!prepare_update(diff, diff_index_argv, NULL, FORMAT_DASH)) {
4710 report("Failed to allocate diff command");
4713 flags |= OPEN_PREPARED;
4716 open_view(view, REQ_VIEW_DIFF, flags);
4717 if (VIEW(REQ_VIEW_DIFF)->pipe && !strcmp(blame->commit->id, NULL_ID))
4718 string_copy_rev(VIEW(REQ_VIEW_DIFF)->ref, NULL_ID);
4729 blame_grep(struct view *view, struct line *line)
4731 struct blame *blame = line->data;
4732 struct blame_commit *commit = blame->commit;
4733 const char *text[] = {
4735 commit ? commit->title : "",
4736 commit ? commit->id : "",
4737 commit && opt_author ? commit->author : "",
4738 commit && opt_date ? mkdate(&commit->time) : "",
4742 return grep_text(view, text);
4746 blame_select(struct view *view, struct line *line)
4748 struct blame *blame = line->data;
4749 struct blame_commit *commit = blame->commit;
4754 if (!strcmp(commit->id, NULL_ID))
4755 string_ncopy(ref_commit, "HEAD", 4);
4757 string_copy_rev(ref_commit, commit->id);
4760 static struct view_ops blame_ops = {
4776 const char *author; /* Author of the last commit. */
4777 time_t time; /* Date of the last activity. */
4778 struct ref *ref; /* Name and commit ID information. */
4781 static const enum sort_field branch_sort_fields[] = {
4782 ORDERBY_NAME, ORDERBY_DATE, ORDERBY_AUTHOR
4784 static struct sort_state branch_sort_state = SORT_STATE(branch_sort_fields);
4787 branch_compare(const void *l1, const void *l2)
4789 const struct branch *branch1 = ((const struct line *) l1)->data;
4790 const struct branch *branch2 = ((const struct line *) l2)->data;
4792 switch (get_sort_field(branch_sort_state)) {
4794 return sort_order(branch_sort_state, branch1->time - branch2->time);
4796 case ORDERBY_AUTHOR:
4797 return sort_order(branch_sort_state, strcmp(branch1->author, branch2->author));
4801 return sort_order(branch_sort_state, strcmp(branch1->ref->name, branch2->ref->name));
4806 branch_draw(struct view *view, struct line *line, unsigned int lineno)
4808 struct branch *branch = line->data;
4809 enum line_type type = branch->ref->head ? LINE_MAIN_HEAD : LINE_DEFAULT;
4811 if (opt_date && draw_date(view, branch->author ? &branch->time : NULL))
4814 if (opt_author && draw_author(view, branch->author))
4817 draw_text(view, type, branch->ref->name, TRUE);
4822 branch_request(struct view *view, enum request request, struct line *line)
4827 open_view(view, REQ_VIEW_BRANCH, OPEN_REFRESH);
4830 case REQ_TOGGLE_SORT_FIELD:
4831 case REQ_TOGGLE_SORT_ORDER:
4832 sort_view(view, request, &branch_sort_state, branch_compare);
4836 open_view(view, REQ_VIEW_MAIN, OPEN_SPLIT);
4845 branch_read(struct view *view, char *line)
4847 static char id[SIZEOF_REV];
4848 struct branch *reference;
4854 switch (get_line_type(line)) {
4856 string_copy_rev(id, line + STRING_SIZE("commit "));
4860 for (i = 0, reference = NULL; i < view->lines; i++) {
4861 struct branch *branch = view->line[i].data;
4863 if (strcmp(branch->ref->id, id))
4866 view->line[i].dirty = TRUE;
4868 branch->author = reference->author;
4869 branch->time = reference->time;
4873 parse_author_line(line + STRING_SIZE("author "),
4874 &branch->author, &branch->time);
4886 branch_open_visitor(void *data, struct ref *ref)
4888 struct view *view = data;
4889 struct branch *branch;
4891 if (ref->tag || ref->ltag || ref->remote)
4894 branch = calloc(1, sizeof(*branch));
4899 return !!add_line_data(view, branch, LINE_DEFAULT);
4903 branch_open(struct view *view)
4905 const char *branch_log[] = {
4906 "git", "log", "--no-color", "--pretty=raw",
4907 "--simplify-by-decoration", "--all", NULL
4910 if (!run_io_rd(&view->io, branch_log, FORMAT_NONE)) {
4911 report("Failed to load branch data");
4915 setup_update(view, view->id);
4916 foreach_ref(branch_open_visitor, view);
4917 view->p_restore = TRUE;
4923 branch_grep(struct view *view, struct line *line)
4925 struct branch *branch = line->data;
4926 const char *text[] = {
4932 return grep_text(view, text);
4936 branch_select(struct view *view, struct line *line)
4938 struct branch *branch = line->data;
4940 string_copy_rev(view->ref, branch->ref->id);
4941 string_copy_rev(ref_commit, branch->ref->id);
4942 string_copy_rev(ref_head, branch->ref->id);
4945 static struct view_ops branch_ops = {
4964 char rev[SIZEOF_REV];
4965 char name[SIZEOF_STR];
4969 char rev[SIZEOF_REV];
4970 char name[SIZEOF_STR];
4974 static char status_onbranch[SIZEOF_STR];
4975 static struct status stage_status;
4976 static enum line_type stage_line_type;
4977 static size_t stage_chunks;
4978 static int *stage_chunk;
4980 DEFINE_ALLOCATOR(realloc_ints, int, 32)
4982 /* This should work even for the "On branch" line. */
4984 status_has_none(struct view *view, struct line *line)
4986 return line < view->line + view->lines && !line[1].data;
4989 /* Get fields from the diff line:
4990 * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
4993 status_get_diff(struct status *file, const char *buf, size_t bufsize)
4995 const char *old_mode = buf + 1;
4996 const char *new_mode = buf + 8;
4997 const char *old_rev = buf + 15;
4998 const char *new_rev = buf + 56;
4999 const char *status = buf + 97;
5002 old_mode[-1] != ':' ||
5003 new_mode[-1] != ' ' ||
5004 old_rev[-1] != ' ' ||
5005 new_rev[-1] != ' ' ||
5009 file->status = *status;
5011 string_copy_rev(file->old.rev, old_rev);
5012 string_copy_rev(file->new.rev, new_rev);
5014 file->old.mode = strtoul(old_mode, NULL, 8);
5015 file->new.mode = strtoul(new_mode, NULL, 8);
5017 file->old.name[0] = file->new.name[0] = 0;
5023 status_run(struct view *view, const char *argv[], char status, enum line_type type)
5025 struct status *unmerged = NULL;
5029 if (!run_io(&io, argv, NULL, IO_RD))
5032 add_line_data(view, NULL, type);
5034 while ((buf = io_get(&io, 0, TRUE))) {
5035 struct status *file = unmerged;
5038 file = calloc(1, sizeof(*file));
5039 if (!file || !add_line_data(view, file, type))
5043 /* Parse diff info part. */
5045 file->status = status;
5047 string_copy(file->old.rev, NULL_ID);
5049 } else if (!file->status || file == unmerged) {
5050 if (!status_get_diff(file, buf, strlen(buf)))
5053 buf = io_get(&io, 0, TRUE);
5057 /* Collapse all modified entries that follow an
5058 * associated unmerged entry. */
5059 if (unmerged == file) {
5060 unmerged->status = 'U';
5062 } else if (file->status == 'U') {
5067 /* Grab the old name for rename/copy. */
5068 if (!*file->old.name &&
5069 (file->status == 'R' || file->status == 'C')) {
5070 string_ncopy(file->old.name, buf, strlen(buf));
5072 buf = io_get(&io, 0, TRUE);
5077 /* git-ls-files just delivers a NUL separated list of
5078 * file names similar to the second half of the
5079 * git-diff-* output. */
5080 string_ncopy(file->new.name, buf, strlen(buf));
5081 if (!*file->old.name)
5082 string_copy(file->old.name, file->new.name);
5086 if (io_error(&io)) {
5092 if (!view->line[view->lines - 1].data)
5093 add_line_data(view, NULL, LINE_STAT_NONE);
5099 /* Don't show unmerged entries in the staged section. */
5100 static const char *status_diff_index_argv[] = {
5101 "git", "diff-index", "-z", "--diff-filter=ACDMRTXB",
5102 "--cached", "-M", "HEAD", NULL
5105 static const char *status_diff_files_argv[] = {
5106 "git", "diff-files", "-z", NULL
5109 static const char *status_list_other_argv[] = {
5110 "git", "ls-files", "-z", "--others", "--exclude-standard", NULL
5113 static const char *status_list_no_head_argv[] = {
5114 "git", "ls-files", "-z", "--cached", "--exclude-standard", NULL
5117 static const char *update_index_argv[] = {
5118 "git", "update-index", "-q", "--unmerged", "--refresh", NULL
5121 /* Restore the previous line number to stay in the context or select a
5122 * line with something that can be updated. */
5124 status_restore(struct view *view)
5126 if (view->p_lineno >= view->lines)
5127 view->p_lineno = view->lines - 1;
5128 while (view->p_lineno < view->lines && !view->line[view->p_lineno].data)
5130 while (view->p_lineno > 0 && !view->line[view->p_lineno].data)
5133 /* If the above fails, always skip the "On branch" line. */
5134 if (view->p_lineno < view->lines)
5135 view->lineno = view->p_lineno;
5139 if (view->lineno < view->offset)
5140 view->offset = view->lineno;
5141 else if (view->offset + view->height <= view->lineno)
5142 view->offset = view->lineno - view->height + 1;
5144 view->p_restore = FALSE;
5148 status_update_onbranch(void)
5150 static const char *paths[][2] = {
5151 { "rebase-apply/rebasing", "Rebasing" },
5152 { "rebase-apply/applying", "Applying mailbox" },
5153 { "rebase-apply/", "Rebasing mailbox" },
5154 { "rebase-merge/interactive", "Interactive rebase" },
5155 { "rebase-merge/", "Rebase merge" },
5156 { "MERGE_HEAD", "Merging" },
5157 { "BISECT_LOG", "Bisecting" },
5158 { "HEAD", "On branch" },
5160 char buf[SIZEOF_STR];
5164 if (is_initial_commit()) {
5165 string_copy(status_onbranch, "Initial commit");
5169 for (i = 0; i < ARRAY_SIZE(paths); i++) {
5170 char *head = opt_head;
5172 if (!string_format(buf, "%s/%s", opt_git_dir, paths[i][0]) ||
5173 lstat(buf, &stat) < 0)
5179 if (string_format(buf, "%s/rebase-merge/head-name", opt_git_dir) &&
5180 io_open(&io, buf) &&
5181 io_read_buf(&io, buf, sizeof(buf))) {
5183 if (!prefixcmp(head, "refs/heads/"))
5184 head += STRING_SIZE("refs/heads/");
5188 if (!string_format(status_onbranch, "%s %s", paths[i][1], head))
5189 string_copy(status_onbranch, opt_head);
5193 string_copy(status_onbranch, "Not currently on any branch");
5196 /* First parse staged info using git-diff-index(1), then parse unstaged
5197 * info using git-diff-files(1), and finally untracked files using
5198 * git-ls-files(1). */
5200 status_open(struct view *view)
5204 add_line_data(view, NULL, LINE_STAT_HEAD);
5205 status_update_onbranch();
5207 run_io_bg(update_index_argv);
5209 if (is_initial_commit()) {
5210 if (!status_run(view, status_list_no_head_argv, 'A', LINE_STAT_STAGED))
5212 } else if (!status_run(view, status_diff_index_argv, 0, LINE_STAT_STAGED)) {
5216 if (!status_run(view, status_diff_files_argv, 0, LINE_STAT_UNSTAGED) ||
5217 !status_run(view, status_list_other_argv, '?', LINE_STAT_UNTRACKED))
5220 /* Restore the exact position or use the specialized restore
5222 if (!view->p_restore)
5223 status_restore(view);
5228 status_draw(struct view *view, struct line *line, unsigned int lineno)
5230 struct status *status = line->data;
5231 enum line_type type;
5235 switch (line->type) {
5236 case LINE_STAT_STAGED:
5237 type = LINE_STAT_SECTION;
5238 text = "Changes to be committed:";
5241 case LINE_STAT_UNSTAGED:
5242 type = LINE_STAT_SECTION;
5243 text = "Changed but not updated:";
5246 case LINE_STAT_UNTRACKED:
5247 type = LINE_STAT_SECTION;
5248 text = "Untracked files:";
5251 case LINE_STAT_NONE:
5252 type = LINE_DEFAULT;
5253 text = " (no files)";
5256 case LINE_STAT_HEAD:
5257 type = LINE_STAT_HEAD;
5258 text = status_onbranch;
5265 static char buf[] = { '?', ' ', ' ', ' ', 0 };
5267 buf[0] = status->status;
5268 if (draw_text(view, line->type, buf, TRUE))
5270 type = LINE_DEFAULT;
5271 text = status->new.name;
5274 draw_text(view, type, text, TRUE);
5279 status_load_error(struct view *view, struct view *stage, const char *path)
5281 if (displayed_views() == 2 || display[current_view] != view)
5282 maximize_view(view);
5283 report("Failed to load '%s': %s", path, io_strerror(&stage->io));
5288 status_enter(struct view *view, struct line *line)
5290 struct status *status = line->data;
5291 const char *oldpath = status ? status->old.name : NULL;
5292 /* Diffs for unmerged entries are empty when passing the new
5293 * path, so leave it empty. */
5294 const char *newpath = status && status->status != 'U' ? status->new.name : NULL;
5296 enum open_flags split;
5297 struct view *stage = VIEW(REQ_VIEW_STAGE);
5299 if (line->type == LINE_STAT_NONE ||
5300 (!status && line[1].type == LINE_STAT_NONE)) {
5301 report("No file to diff");
5305 switch (line->type) {
5306 case LINE_STAT_STAGED:
5307 if (is_initial_commit()) {
5308 const char *no_head_diff_argv[] = {
5309 "git", "diff", "--no-color", "--patch-with-stat",
5310 "--", "/dev/null", newpath, NULL
5313 if (!prepare_update(stage, no_head_diff_argv, opt_cdup, FORMAT_DASH))
5314 return status_load_error(view, stage, newpath);
5316 const char *index_show_argv[] = {
5317 "git", "diff-index", "--root", "--patch-with-stat",
5318 "-C", "-M", "--cached", "HEAD", "--",
5319 oldpath, newpath, NULL
5322 if (!prepare_update(stage, index_show_argv, opt_cdup, FORMAT_DASH))
5323 return status_load_error(view, stage, newpath);
5327 info = "Staged changes to %s";
5329 info = "Staged changes";
5332 case LINE_STAT_UNSTAGED:
5334 const char *files_show_argv[] = {
5335 "git", "diff-files", "--root", "--patch-with-stat",
5336 "-C", "-M", "--", oldpath, newpath, NULL
5339 if (!prepare_update(stage, files_show_argv, opt_cdup, FORMAT_DASH))
5340 return status_load_error(view, stage, newpath);
5342 info = "Unstaged changes to %s";
5344 info = "Unstaged changes";
5347 case LINE_STAT_UNTRACKED:
5349 report("No file to show");
5353 if (!suffixcmp(status->new.name, -1, "/")) {
5354 report("Cannot display a directory");
5358 if (!prepare_update_file(stage, newpath))
5359 return status_load_error(view, stage, newpath);
5360 info = "Untracked file %s";
5363 case LINE_STAT_HEAD:
5367 die("line type %d not handled in switch", line->type);
5370 split = view_is_displayed(view) ? OPEN_SPLIT : 0;
5371 open_view(view, REQ_VIEW_STAGE, OPEN_PREPARED | split);
5372 if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
5374 stage_status = *status;
5376 memset(&stage_status, 0, sizeof(stage_status));
5379 stage_line_type = line->type;
5381 string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name);
5388 status_exists(struct status *status, enum line_type type)
5390 struct view *view = VIEW(REQ_VIEW_STATUS);
5391 unsigned long lineno;
5393 for (lineno = 0; lineno < view->lines; lineno++) {
5394 struct line *line = &view->line[lineno];
5395 struct status *pos = line->data;
5397 if (line->type != type)
5399 if (!pos && (!status || !status->status) && line[1].data) {
5400 select_view_line(view, lineno);
5403 if (pos && !strcmp(status->new.name, pos->new.name)) {
5404 select_view_line(view, lineno);
5414 status_update_prepare(struct io *io, enum line_type type)
5416 const char *staged_argv[] = {
5417 "git", "update-index", "-z", "--index-info", NULL
5419 const char *others_argv[] = {
5420 "git", "update-index", "-z", "--add", "--remove", "--stdin", NULL
5424 case LINE_STAT_STAGED:
5425 return run_io(io, staged_argv, opt_cdup, IO_WR);
5427 case LINE_STAT_UNSTAGED:
5428 return run_io(io, others_argv, opt_cdup, IO_WR);
5430 case LINE_STAT_UNTRACKED:
5431 return run_io(io, others_argv, NULL, IO_WR);
5434 die("line type %d not handled in switch", type);
5440 status_update_write(struct io *io, struct status *status, enum line_type type)
5442 char buf[SIZEOF_STR];
5446 case LINE_STAT_STAGED:
5447 if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c",
5450 status->old.name, 0))
5454 case LINE_STAT_UNSTAGED:
5455 case LINE_STAT_UNTRACKED:
5456 if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0))
5461 die("line type %d not handled in switch", type);
5464 return io_write(io, buf, bufsize);
5468 status_update_file(struct status *status, enum line_type type)
5473 if (!status_update_prepare(&io, type))
5476 result = status_update_write(&io, status, type);
5477 return done_io(&io) && result;
5481 status_update_files(struct view *view, struct line *line)
5483 char buf[sizeof(view->ref)];
5486 struct line *pos = view->line + view->lines;
5489 int cursor_y, cursor_x;
5491 if (!status_update_prepare(&io, line->type))
5494 for (pos = line; pos < view->line + view->lines && pos->data; pos++)
5497 string_copy(buf, view->ref);
5498 getsyx(cursor_y, cursor_x);
5499 for (file = 0, done = 5; result && file < files; line++, file++) {
5500 int almost_done = file * 100 / files;
5502 if (almost_done > done) {
5504 string_format(view->ref, "updating file %u of %u (%d%% done)",
5506 update_view_title(view);
5507 setsyx(cursor_y, cursor_x);
5510 result = status_update_write(&io, line->data, line->type);
5512 string_copy(view->ref, buf);
5514 return done_io(&io) && result;
5518 status_update(struct view *view)
5520 struct line *line = &view->line[view->lineno];
5522 assert(view->lines);
5525 /* This should work even for the "On branch" line. */
5526 if (line < view->line + view->lines && !line[1].data) {
5527 report("Nothing to update");
5531 if (!status_update_files(view, line + 1)) {
5532 report("Failed to update file status");
5536 } else if (!status_update_file(line->data, line->type)) {
5537 report("Failed to update file status");
5545 status_revert(struct status *status, enum line_type type, bool has_none)
5547 if (!status || type != LINE_STAT_UNSTAGED) {
5548 if (type == LINE_STAT_STAGED) {
5549 report("Cannot revert changes to staged files");
5550 } else if (type == LINE_STAT_UNTRACKED) {
5551 report("Cannot revert changes to untracked files");
5552 } else if (has_none) {
5553 report("Nothing to revert");
5555 report("Cannot revert changes to multiple files");
5560 char mode[10] = "100644";
5561 const char *reset_argv[] = {
5562 "git", "update-index", "--cacheinfo", mode,
5563 status->old.rev, status->old.name, NULL
5565 const char *checkout_argv[] = {
5566 "git", "checkout", "--", status->old.name, NULL
5569 if (!prompt_yesno("Are you sure you want to overwrite any changes?"))
5571 string_format(mode, "%o", status->old.mode);
5572 return (status->status != 'U' || run_io_fg(reset_argv, opt_cdup)) &&
5573 run_io_fg(checkout_argv, opt_cdup);
5578 status_request(struct view *view, enum request request, struct line *line)
5580 struct status *status = line->data;
5583 case REQ_STATUS_UPDATE:
5584 if (!status_update(view))
5588 case REQ_STATUS_REVERT:
5589 if (!status_revert(status, line->type, status_has_none(view, line)))
5593 case REQ_STATUS_MERGE:
5594 if (!status || status->status != 'U') {
5595 report("Merging only possible for files with unmerged status ('U').");
5598 open_mergetool(status->new.name);
5604 if (status->status == 'D') {
5605 report("File has been deleted.");
5609 open_editor(status->status != '?', status->new.name);
5612 case REQ_VIEW_BLAME:
5614 string_copy(opt_file, status->new.name);
5620 /* After returning the status view has been split to
5621 * show the stage view. No further reloading is
5623 return status_enter(view, line);
5626 /* Simply reload the view. */
5633 open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
5639 status_select(struct view *view, struct line *line)
5641 struct status *status = line->data;
5642 char file[SIZEOF_STR] = "all files";
5646 if (status && !string_format(file, "'%s'", status->new.name))
5649 if (!status && line[1].type == LINE_STAT_NONE)
5652 switch (line->type) {
5653 case LINE_STAT_STAGED:
5654 text = "Press %s to unstage %s for commit";
5657 case LINE_STAT_UNSTAGED:
5658 text = "Press %s to stage %s for commit";
5661 case LINE_STAT_UNTRACKED:
5662 text = "Press %s to stage %s for addition";
5665 case LINE_STAT_HEAD:
5666 case LINE_STAT_NONE:
5667 text = "Nothing to update";
5671 die("line type %d not handled in switch", line->type);
5674 if (status && status->status == 'U') {
5675 text = "Press %s to resolve conflict in %s";
5676 key = get_key(REQ_STATUS_MERGE);
5679 key = get_key(REQ_STATUS_UPDATE);
5682 string_format(view->ref, text, key, file);
5686 status_grep(struct view *view, struct line *line)
5688 struct status *status = line->data;
5691 const char buf[2] = { status->status, 0 };
5692 const char *text[] = { status->new.name, buf, NULL };
5694 return grep_text(view, text);
5700 static struct view_ops status_ops = {
5713 stage_diff_write(struct io *io, struct line *line, struct line *end)
5715 while (line < end) {
5716 if (!io_write(io, line->data, strlen(line->data)) ||
5717 !io_write(io, "\n", 1))
5720 if (line->type == LINE_DIFF_CHUNK ||
5721 line->type == LINE_DIFF_HEADER)
5728 static struct line *
5729 stage_diff_find(struct view *view, struct line *line, enum line_type type)
5731 for (; view->line < line; line--)
5732 if (line->type == type)
5739 stage_apply_chunk(struct view *view, struct line *chunk, bool revert)
5741 const char *apply_argv[SIZEOF_ARG] = {
5742 "git", "apply", "--whitespace=nowarn", NULL
5744 struct line *diff_hdr;
5748 diff_hdr = stage_diff_find(view, chunk, LINE_DIFF_HEADER);
5753 apply_argv[argc++] = "--cached";
5754 if (revert || stage_line_type == LINE_STAT_STAGED)
5755 apply_argv[argc++] = "-R";
5756 apply_argv[argc++] = "-";
5757 apply_argv[argc++] = NULL;
5758 if (!run_io(&io, apply_argv, opt_cdup, IO_WR))
5761 if (!stage_diff_write(&io, diff_hdr, chunk) ||
5762 !stage_diff_write(&io, chunk, view->line + view->lines))
5766 run_io_bg(update_index_argv);
5768 return chunk ? TRUE : FALSE;
5772 stage_update(struct view *view, struct line *line)
5774 struct line *chunk = NULL;
5776 if (!is_initial_commit() && stage_line_type != LINE_STAT_UNTRACKED)
5777 chunk = stage_diff_find(view, line, LINE_DIFF_CHUNK);
5780 if (!stage_apply_chunk(view, chunk, FALSE)) {
5781 report("Failed to apply chunk");
5785 } else if (!stage_status.status) {
5786 view = VIEW(REQ_VIEW_STATUS);
5788 for (line = view->line; line < view->line + view->lines; line++)
5789 if (line->type == stage_line_type)
5792 if (!status_update_files(view, line + 1)) {
5793 report("Failed to update files");
5797 } else if (!status_update_file(&stage_status, stage_line_type)) {
5798 report("Failed to update file");
5806 stage_revert(struct view *view, struct line *line)
5808 struct line *chunk = NULL;
5810 if (!is_initial_commit() && stage_line_type == LINE_STAT_UNSTAGED)
5811 chunk = stage_diff_find(view, line, LINE_DIFF_CHUNK);
5814 if (!prompt_yesno("Are you sure you want to revert changes?"))
5817 if (!stage_apply_chunk(view, chunk, TRUE)) {
5818 report("Failed to revert chunk");
5824 return status_revert(stage_status.status ? &stage_status : NULL,
5825 stage_line_type, FALSE);
5831 stage_next(struct view *view, struct line *line)
5835 if (!stage_chunks) {
5836 for (line = view->line; line < view->line + view->lines; line++) {
5837 if (line->type != LINE_DIFF_CHUNK)
5840 if (!realloc_ints(&stage_chunk, stage_chunks, 1)) {
5841 report("Allocation failure");
5845 stage_chunk[stage_chunks++] = line - view->line;
5849 for (i = 0; i < stage_chunks; i++) {
5850 if (stage_chunk[i] > view->lineno) {
5851 do_scroll_view(view, stage_chunk[i] - view->lineno);
5852 report("Chunk %d of %d", i + 1, stage_chunks);
5857 report("No next chunk found");
5861 stage_request(struct view *view, enum request request, struct line *line)
5864 case REQ_STATUS_UPDATE:
5865 if (!stage_update(view, line))
5869 case REQ_STATUS_REVERT:
5870 if (!stage_revert(view, line))
5874 case REQ_STAGE_NEXT:
5875 if (stage_line_type == LINE_STAT_UNTRACKED) {
5876 report("File is untracked; press %s to add",
5877 get_key(REQ_STATUS_UPDATE));
5880 stage_next(view, line);
5884 if (!stage_status.new.name[0])
5886 if (stage_status.status == 'D') {
5887 report("File has been deleted.");
5891 open_editor(stage_status.status != '?', stage_status.new.name);
5895 /* Reload everything ... */
5898 case REQ_VIEW_BLAME:
5899 if (stage_status.new.name[0]) {
5900 string_copy(opt_file, stage_status.new.name);
5906 return pager_request(view, request, line);
5912 VIEW(REQ_VIEW_STATUS)->p_restore = TRUE;
5913 open_view(view, REQ_VIEW_STATUS, OPEN_REFRESH);
5915 /* Check whether the staged entry still exists, and close the
5916 * stage view if it doesn't. */
5917 if (!status_exists(&stage_status, stage_line_type)) {
5918 status_restore(VIEW(REQ_VIEW_STATUS));
5919 return REQ_VIEW_CLOSE;
5922 if (stage_line_type == LINE_STAT_UNTRACKED) {
5923 if (!suffixcmp(stage_status.new.name, -1, "/")) {
5924 report("Cannot display a directory");
5928 if (!prepare_update_file(view, stage_status.new.name)) {
5929 report("Failed to open file: %s", strerror(errno));
5933 open_view(view, REQ_VIEW_STAGE, OPEN_REFRESH);
5938 static struct view_ops stage_ops = {
5955 char id[SIZEOF_REV]; /* SHA1 ID. */
5956 char title[128]; /* First line of the commit message. */
5957 const char *author; /* Author of the commit. */
5958 time_t time; /* Date from the author ident. */
5959 struct ref_list *refs; /* Repository references. */
5960 chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */
5961 size_t graph_size; /* The width of the graph array. */
5962 bool has_parents; /* Rewritten --parents seen. */
5965 /* Size of rev graph with no "padding" columns */
5966 #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2))
5969 struct rev_graph *prev, *next, *parents;
5970 char rev[SIZEOF_REVITEMS][SIZEOF_REV];
5972 struct commit *commit;
5974 unsigned int boundary:1;
5977 /* Parents of the commit being visualized. */
5978 static struct rev_graph graph_parents[4];
5980 /* The current stack of revisions on the graph. */
5981 static struct rev_graph graph_stacks[4] = {
5982 { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] },
5983 { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] },
5984 { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] },
5985 { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] },
5989 graph_parent_is_merge(struct rev_graph *graph)
5991 return graph->parents->size > 1;
5995 append_to_rev_graph(struct rev_graph *graph, chtype symbol)
5997 struct commit *commit = graph->commit;
5999 if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1)
6000 commit->graph[commit->graph_size++] = symbol;
6004 clear_rev_graph(struct rev_graph *graph)
6006 graph->boundary = 0;
6007 graph->size = graph->pos = 0;
6008 graph->commit = NULL;
6009 memset(graph->parents, 0, sizeof(*graph->parents));
6013 done_rev_graph(struct rev_graph *graph)
6015 if (graph_parent_is_merge(graph) &&
6016 graph->pos < graph->size - 1 &&
6017 graph->next->size == graph->size + graph->parents->size - 1) {
6018 size_t i = graph->pos + graph->parents->size - 1;
6020 graph->commit->graph_size = i * 2;
6021 while (i < graph->next->size - 1) {
6022 append_to_rev_graph(graph, ' ');
6023 append_to_rev_graph(graph, '\\');
6028 clear_rev_graph(graph);
6032 push_rev_graph(struct rev_graph *graph, const char *parent)
6036 /* "Collapse" duplicate parents lines.
6038 * FIXME: This needs to also update update the drawn graph but
6039 * for now it just serves as a method for pruning graph lines. */
6040 for (i = 0; i < graph->size; i++)
6041 if (!strncmp(graph->rev[i], parent, SIZEOF_REV))
6044 if (graph->size < SIZEOF_REVITEMS) {
6045 string_copy_rev(graph->rev[graph->size++], parent);
6050 get_rev_graph_symbol(struct rev_graph *graph)
6054 if (graph->boundary)
6055 symbol = REVGRAPH_BOUND;
6056 else if (graph->parents->size == 0)
6057 symbol = REVGRAPH_INIT;
6058 else if (graph_parent_is_merge(graph))
6059 symbol = REVGRAPH_MERGE;
6060 else if (graph->pos >= graph->size)
6061 symbol = REVGRAPH_BRANCH;
6063 symbol = REVGRAPH_COMMIT;
6069 draw_rev_graph(struct rev_graph *graph)
6072 chtype separator, line;
6074 enum { DEFAULT, RSHARP, RDIAG, LDIAG };
6075 static struct rev_filler fillers[] = {
6081 chtype symbol = get_rev_graph_symbol(graph);
6082 struct rev_filler *filler;
6085 if (opt_line_graphics)
6086 fillers[DEFAULT].line = line_graphics[LINE_GRAPHIC_VLINE];
6088 filler = &fillers[DEFAULT];
6090 for (i = 0; i < graph->pos; i++) {
6091 append_to_rev_graph(graph, filler->line);
6092 if (graph_parent_is_merge(graph->prev) &&
6093 graph->prev->pos == i)
6094 filler = &fillers[RSHARP];
6096 append_to_rev_graph(graph, filler->separator);
6099 /* Place the symbol for this revision. */
6100 append_to_rev_graph(graph, symbol);
6102 if (graph->prev->size > graph->size)
6103 filler = &fillers[RDIAG];
6105 filler = &fillers[DEFAULT];
6109 for (; i < graph->size; i++) {
6110 append_to_rev_graph(graph, filler->separator);
6111 append_to_rev_graph(graph, filler->line);
6112 if (graph_parent_is_merge(graph->prev) &&
6113 i < graph->prev->pos + graph->parents->size)
6114 filler = &fillers[RSHARP];
6115 if (graph->prev->size > graph->size)
6116 filler = &fillers[LDIAG];
6119 if (graph->prev->size > graph->size) {
6120 append_to_rev_graph(graph, filler->separator);
6121 if (filler->line != ' ')
6122 append_to_rev_graph(graph, filler->line);
6126 /* Prepare the next rev graph */
6128 prepare_rev_graph(struct rev_graph *graph)
6132 /* First, traverse all lines of revisions up to the active one. */
6133 for (graph->pos = 0; graph->pos < graph->size; graph->pos++) {
6134 if (!strcmp(graph->rev[graph->pos], graph->commit->id))
6137 push_rev_graph(graph->next, graph->rev[graph->pos]);
6140 /* Interleave the new revision parent(s). */
6141 for (i = 0; !graph->boundary && i < graph->parents->size; i++)
6142 push_rev_graph(graph->next, graph->parents->rev[i]);
6144 /* Lastly, put any remaining revisions. */
6145 for (i = graph->pos + 1; i < graph->size; i++)
6146 push_rev_graph(graph->next, graph->rev[i]);
6150 update_rev_graph(struct view *view, struct rev_graph *graph)
6152 /* If this is the finalizing update ... */
6154 prepare_rev_graph(graph);
6156 /* Graph visualization needs a one rev look-ahead,
6157 * so the first update doesn't visualize anything. */
6158 if (!graph->prev->commit)
6161 if (view->lines > 2)
6162 view->line[view->lines - 3].dirty = 1;
6163 if (view->lines > 1)
6164 view->line[view->lines - 2].dirty = 1;
6165 draw_rev_graph(graph->prev);
6166 done_rev_graph(graph->prev->prev);
6174 static const char *main_argv[SIZEOF_ARG] = {
6175 "git", "log", "--no-color", "--pretty=raw", "--parents",
6176 "--topo-order", "%(head)", NULL
6180 main_draw(struct view *view, struct line *line, unsigned int lineno)
6182 struct commit *commit = line->data;
6184 if (!commit->author)
6187 if (opt_date && draw_date(view, &commit->time))
6190 if (opt_author && draw_author(view, commit->author))
6193 if (opt_rev_graph && commit->graph_size &&
6194 draw_graphic(view, LINE_MAIN_REVGRAPH, commit->graph, commit->graph_size))
6197 if (opt_show_refs && commit->refs) {
6200 for (i = 0; i < commit->refs->size; i++) {
6201 struct ref *ref = commit->refs->refs[i];
6202 enum line_type type;
6205 type = LINE_MAIN_HEAD;
6207 type = LINE_MAIN_LOCAL_TAG;
6209 type = LINE_MAIN_TAG;
6210 else if (ref->tracked)
6211 type = LINE_MAIN_TRACKED;
6212 else if (ref->remote)
6213 type = LINE_MAIN_REMOTE;
6215 type = LINE_MAIN_REF;
6217 if (draw_text(view, type, "[", TRUE) ||
6218 draw_text(view, type, ref->name, TRUE) ||
6219 draw_text(view, type, "]", TRUE))
6222 if (draw_text(view, LINE_DEFAULT, " ", TRUE))
6227 draw_text(view, LINE_DEFAULT, commit->title, TRUE);
6231 /* Reads git log --pretty=raw output and parses it into the commit struct. */
6233 main_read(struct view *view, char *line)
6235 static struct rev_graph *graph = graph_stacks;
6236 enum line_type type;
6237 struct commit *commit;
6242 if (!view->lines && !view->parent)
6243 die("No revisions match the given arguments.");
6244 if (view->lines > 0) {
6245 commit = view->line[view->lines - 1].data;
6246 view->line[view->lines - 1].dirty = 1;
6247 if (!commit->author) {
6250 graph->commit = NULL;
6253 update_rev_graph(view, graph);
6255 for (i = 0; i < ARRAY_SIZE(graph_stacks); i++)
6256 clear_rev_graph(&graph_stacks[i]);
6260 type = get_line_type(line);
6261 if (type == LINE_COMMIT) {
6262 commit = calloc(1, sizeof(struct commit));
6266 line += STRING_SIZE("commit ");
6268 graph->boundary = 1;
6272 string_copy_rev(commit->id, line);
6273 commit->refs = get_ref_list(commit->id);
6274 graph->commit = commit;
6275 add_line_data(view, commit, LINE_MAIN_COMMIT);
6277 while ((line = strchr(line, ' '))) {
6279 push_rev_graph(graph->parents, line);
6280 commit->has_parents = TRUE;
6287 commit = view->line[view->lines - 1].data;
6291 if (commit->has_parents)
6293 push_rev_graph(graph->parents, line + STRING_SIZE("parent "));
6297 parse_author_line(line + STRING_SIZE("author "),
6298 &commit->author, &commit->time);
6299 update_rev_graph(view, graph);
6300 graph = graph->next;
6304 /* Fill in the commit title if it has not already been set. */
6305 if (commit->title[0])
6308 /* Require titles to start with a non-space character at the
6309 * offset used by git log. */
6310 if (strncmp(line, " ", 4))
6313 /* Well, if the title starts with a whitespace character,
6314 * try to be forgiving. Otherwise we end up with no title. */
6315 while (isspace(*line))
6319 /* FIXME: More graceful handling of titles; append "..." to
6320 * shortened titles, etc. */
6322 string_expand(commit->title, sizeof(commit->title), line, 1);
6323 view->line[view->lines - 1].dirty = 1;
6330 main_request(struct view *view, enum request request, struct line *line)
6332 enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
6336 open_view(view, REQ_VIEW_DIFF, flags);
6340 open_view(view, REQ_VIEW_MAIN, OPEN_REFRESH);
6350 grep_refs(struct ref_list *list, regex_t *regex)
6355 if (!opt_show_refs || !list)
6358 for (i = 0; i < list->size; i++) {
6359 if (regexec(regex, list->refs[i]->name, 1, &pmatch, 0) != REG_NOMATCH)
6367 main_grep(struct view *view, struct line *line)
6369 struct commit *commit = line->data;
6370 const char *text[] = {
6372 opt_author ? commit->author : "",
6373 opt_date ? mkdate(&commit->time) : "",
6377 return grep_text(view, text) || grep_refs(commit->refs, view->regex);
6381 main_select(struct view *view, struct line *line)
6383 struct commit *commit = line->data;
6385 string_copy_rev(view->ref, commit->id);
6386 string_copy_rev(ref_commit, view->ref);
6389 static struct view_ops main_ops = {
6402 * Unicode / UTF-8 handling
6404 * NOTE: Much of the following code for dealing with Unicode is derived from
6405 * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
6406 * src/intl/charset.c from the UTF-8 branch commit elinks-0.11.0-g31f2c28.
6410 unicode_width(unsigned long c)
6413 (c <= 0x115f /* Hangul Jamo */
6416 || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f)
6418 || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */
6419 || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */
6420 || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */
6421 || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */
6422 || (c >= 0xffe0 && c <= 0xffe6)
6423 || (c >= 0x20000 && c <= 0x2fffd)
6424 || (c >= 0x30000 && c <= 0x3fffd)))
6428 return opt_tab_size;
6433 /* Number of bytes used for encoding a UTF-8 character indexed by first byte.
6434 * Illegal bytes are set one. */
6435 static const unsigned char utf8_bytes[256] = {
6436 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
6437 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
6438 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
6439 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
6440 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
6441 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
6442 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
6443 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1,
6446 /* Decode UTF-8 multi-byte representation into a Unicode character. */
6447 static inline unsigned long
6448 utf8_to_unicode(const char *string, size_t length)
6450 unsigned long unicode;
6454 unicode = string[0];
6457 unicode = (string[0] & 0x1f) << 6;
6458 unicode += (string[1] & 0x3f);
6461 unicode = (string[0] & 0x0f) << 12;
6462 unicode += ((string[1] & 0x3f) << 6);
6463 unicode += (string[2] & 0x3f);
6466 unicode = (string[0] & 0x0f) << 18;
6467 unicode += ((string[1] & 0x3f) << 12);
6468 unicode += ((string[2] & 0x3f) << 6);
6469 unicode += (string[3] & 0x3f);
6472 unicode = (string[0] & 0x0f) << 24;
6473 unicode += ((string[1] & 0x3f) << 18);
6474 unicode += ((string[2] & 0x3f) << 12);
6475 unicode += ((string[3] & 0x3f) << 6);
6476 unicode += (string[4] & 0x3f);
6479 unicode = (string[0] & 0x01) << 30;
6480 unicode += ((string[1] & 0x3f) << 24);
6481 unicode += ((string[2] & 0x3f) << 18);
6482 unicode += ((string[3] & 0x3f) << 12);
6483 unicode += ((string[4] & 0x3f) << 6);
6484 unicode += (string[5] & 0x3f);
6487 die("Invalid Unicode length");
6490 /* Invalid characters could return the special 0xfffd value but NUL
6491 * should be just as good. */
6492 return unicode > 0xffff ? 0 : unicode;
6495 /* Calculates how much of string can be shown within the given maximum width
6496 * and sets trimmed parameter to non-zero value if all of string could not be
6497 * shown. If the reserve flag is TRUE, it will reserve at least one
6498 * trailing character, which can be useful when drawing a delimiter.
6500 * Returns the number of bytes to output from string to satisfy max_width. */
6502 utf8_length(const char **start, size_t skip, int *width, size_t max_width, int *trimmed, bool reserve)
6504 const char *string = *start;
6505 const char *end = strchr(string, '\0');
6506 unsigned char last_bytes = 0;
6507 size_t last_ucwidth = 0;
6512 while (string < end) {
6513 int c = *(unsigned char *) string;
6514 unsigned char bytes = utf8_bytes[c];
6516 unsigned long unicode;
6518 if (string + bytes > end)
6521 /* Change representation to figure out whether
6522 * it is a single- or double-width character. */
6524 unicode = utf8_to_unicode(string, bytes);
6525 /* FIXME: Graceful handling of invalid Unicode character. */
6529 ucwidth = unicode_width(unicode);
6531 skip -= ucwidth <= skip ? ucwidth : skip;
6535 if (*width > max_width) {
6538 if (reserve && *width == max_width) {
6539 string -= last_bytes;
6540 *width -= last_ucwidth;
6546 last_bytes = ucwidth ? bytes : 0;
6547 last_ucwidth = ucwidth;
6550 return string - *start;
6562 const struct menu_item *items;
6567 static struct popup menu;
6571 menu_set_line_attr(int index, enum line_type type)
6573 WINDOW *win = menu.win;
6574 int width = menu.width-2;
6575 mvwchgat(win, index+1, 1, width,
6576 get_line_attr(type), type, NULL);
6580 menu_putline(int index, const struct menu_item *item, bool selected)
6582 WINDOW *win = menu.win;
6583 bool hotkeys = menu.hotkeys;
6586 mvwprintw(win, index+1, 2, "[%c] %s", (char) item->hotkey, item->text);
6588 mvwprintw(win, index+1, 6, "%s", item->text);
6590 mvwprintw(win, index+1, 2, "%s", item->text);
6593 menu_set_line_attr(index, LINE_CURSOR);
6599 wnoutrefresh(menu.win);
6607 redraw_display(FALSE);
6613 WINDOW *win = menu.win;
6616 int width = menu.width;
6617 int height = menu.height;
6618 const char *title = menu.title;
6619 const struct menu_item *items = menu.items;
6621 int ymax, xmax, top, left;
6622 enum line_type type = LINE_TITLE_FOCUS;
6625 getmaxyx(stdscr, ymax, xmax);
6626 top = (ymax - height)/2;
6627 left = (xmax - width)/2;
6633 mvwin(win, top, left);
6634 wbkgd(win, COLOR_PAIR(type));
6637 wattrset(win, get_line_attr(type));
6638 mvwprintw(win, 0, (width-strlen(title))/2, " %s ", title);
6640 for (i=0; items[i].text; ++i)
6641 menu_putline(i, &items[i], i==menu.selected);
6648 menu_create(int height, int width, const char *title, const struct menu_item *items)
6651 menu.win = newwin(height, width, 0, 0);
6653 menu.height = height;
6656 menu.hotkeys = false;
6657 for(;items[i].text;++i)
6658 if (items[i].hotkey) {
6668 menu_select(int index)
6670 if (menu.selected >= 0) {
6671 menu_set_line_attr(menu.selected, LINE_TITLE_FOCUS);
6674 menu_set_line_attr(index, LINE_CURSOR);
6676 menu.selected = index;
6684 /* Whether or not the curses interface has been initialized. */
6685 static bool cursed = FALSE;
6687 /* Terminal hacks and workarounds. */
6688 static bool use_scroll_redrawwin;
6689 static bool use_scroll_status_wclear;
6691 /* The status window is used for polling keystrokes. */
6692 static WINDOW *status_win;
6694 /* Reading from the prompt? */
6695 static bool input_mode = FALSE;
6697 static bool status_empty = FALSE;
6699 /* Update status and title window. */
6701 report(const char *msg, ...)
6703 struct view *view = display[current_view];
6709 char buf[SIZEOF_STR];
6712 va_start(args, msg);
6713 if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) {
6714 buf[sizeof(buf) - 1] = 0;
6715 buf[sizeof(buf) - 2] = '.';
6716 buf[sizeof(buf) - 3] = '.';
6717 buf[sizeof(buf) - 4] = '.';
6723 if (!status_empty || *msg) {
6726 va_start(args, msg);
6728 wmove(status_win, 0, 0);
6729 if (view->has_scrolled && use_scroll_status_wclear)
6732 vwprintw(status_win, msg, args);
6733 status_empty = FALSE;
6735 status_empty = TRUE;
6737 wclrtoeol(status_win);
6738 wnoutrefresh(status_win);
6743 update_view_title(view);
6746 /* Controls when nodelay should be in effect when polling user input. */
6748 set_nonblocking_input(bool loading)
6750 static unsigned int loading_views;
6752 if ((loading == FALSE && loading_views-- == 1) ||
6753 (loading == TRUE && loading_views++ == 0))
6754 nodelay(status_win, loading);
6763 /* Initialize the curses library */
6764 if (isatty(STDIN_FILENO)) {
6765 cursed = !!initscr();
6768 /* Leave stdin and stdout alone when acting as a pager. */
6769 opt_tty = fopen("/dev/tty", "r+");
6771 die("Failed to open /dev/tty");
6772 cursed = !!newterm(NULL, opt_tty, opt_tty);
6776 die("Failed to initialize curses");
6778 nonl(); /* Disable conversion and detect newlines from input. */
6779 cbreak(); /* Take input chars one at a time, no wait for \n */
6780 noecho(); /* Don't echo input */
6781 leaveok(stdscr, FALSE);
6786 getmaxyx(stdscr, y, x);
6787 status_win = newwin(1, 0, y - 1, 0);
6789 die("Failed to create status window");
6791 /* Enable keyboard mapping */
6792 keypad(status_win, TRUE);
6793 wbkgdset(status_win, get_line_attr(LINE_STATUS));
6795 TABSIZE = opt_tab_size;
6796 if (opt_line_graphics) {
6797 line_graphics[LINE_GRAPHIC_VLINE] = ACS_VLINE;
6800 term = getenv("XTERM_VERSION") ? NULL : getenv("COLORTERM");
6801 if (term && !strcmp(term, "gnome-terminal")) {
6802 /* In the gnome-terminal-emulator, the message from
6803 * scrolling up one line when impossible followed by
6804 * scrolling down one line causes corruption of the
6805 * status line. This is fixed by calling wclear. */
6806 use_scroll_status_wclear = TRUE;
6807 use_scroll_redrawwin = FALSE;
6809 } else if (term && !strcmp(term, "xrvt-xpm")) {
6810 /* No problems with full optimizations in xrvt-(unicode)
6812 use_scroll_status_wclear = use_scroll_redrawwin = FALSE;
6815 /* When scrolling in (u)xterm the last line in the
6816 * scrolling direction will update slowly. */
6817 use_scroll_redrawwin = TRUE;
6818 use_scroll_status_wclear = FALSE;
6823 get_input(int prompt_position)
6826 int i, key, cursor_y, cursor_x;
6828 if (prompt_position)
6832 foreach_view (view, i) {
6834 if (view_is_displayed(view) && view->has_scrolled &&
6835 use_scroll_redrawwin)
6836 redrawwin(view->win);
6837 view->has_scrolled = FALSE;
6840 /* Update the cursor position. */
6841 if (prompt_position) {
6842 getbegyx(status_win, cursor_y, cursor_x);
6843 cursor_x = prompt_position;
6845 view = display[current_view];
6846 getbegyx(view->win, cursor_y, cursor_x);
6847 cursor_x = view->width - 1;
6848 cursor_y += view->lineno - view->offset;
6850 setsyx(cursor_y, cursor_x);
6852 /* Refresh, accept single keystroke of input */
6854 key = wgetch(status_win);
6856 /* wgetch() with nodelay() enabled returns ERR when
6857 * there's no input. */
6860 } else if (key == KEY_RESIZE) {
6863 getmaxyx(stdscr, height, width);
6865 wresize(status_win, 1, width);
6866 mvwin(status_win, height - 1, 0);
6867 wnoutrefresh(status_win);
6869 redraw_display(TRUE);
6879 prompt_input(const char *prompt, input_handler handler, void *data)
6881 enum input_status status = INPUT_OK;
6882 static char buf[SIZEOF_STR];
6887 while (status == INPUT_OK || status == INPUT_SKIP) {
6890 mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf);
6891 wclrtoeol(status_win);
6893 key = get_input(pos + 1);
6898 status = pos ? INPUT_STOP : INPUT_CANCEL;
6905 status = INPUT_CANCEL;
6909 status = INPUT_CANCEL;
6913 if (pos >= sizeof(buf)) {
6914 report("Input string too long");
6918 status = handler(data, buf, key);
6919 if (status == INPUT_OK)
6920 buf[pos++] = (char) key;
6924 /* Clear the status window */
6925 status_empty = FALSE;
6928 if (status == INPUT_CANCEL)
6936 static enum input_status
6937 prompt_yesno_handler(void *data, char *buf, int c)
6939 if (c == 'y' || c == 'Y')
6941 if (c == 'n' || c == 'N')
6942 return INPUT_CANCEL;
6947 prompt_yesno(const char *prompt)
6949 char prompt2[SIZEOF_STR];
6951 if (!string_format(prompt2, "%s [Yy/Nn]", prompt))
6954 return !!prompt_input(prompt2, prompt_yesno_handler, NULL);
6957 static enum input_status
6958 read_prompt_handler(void *data, char *buf, int c)
6960 return isprint(c) ? INPUT_OK : INPUT_SKIP;
6964 read_prompt(const char *prompt)
6966 return prompt_input(prompt, read_prompt_handler, NULL);
6969 static bool prompt_menu(const char *prompt, const struct menu_item *items, int *selected)
6971 enum input_status status = INPUT_OK;
6973 int width = strlen(prompt+2);
6974 bool hotkeys = false;
6977 while (items[size].text) {
6978 int w = strlen(items[size].text);
6981 if (items[size].hotkey)
6986 width += hotkeys ? 8 : 4;
6988 menu_create(size+2, width, prompt, items);
6990 while (status == INPUT_OK) {
6991 const struct menu_item *item = &items[*selected];
6994 mvwprintw(status_win, 0, 0, "%s (%d of %d) ",
6995 prompt, *selected + 1, size);
6997 wprintw(status_win, "[%c] ", (char) item->hotkey);
6998 wprintw(status_win, "%s", item->text);
6999 wclrtoeol(status_win);
7000 menu_select(*selected);
7002 key = get_input(COLS - 1);
7007 status = INPUT_STOP;
7012 *selected = *selected - 1;
7014 *selected = size - 1;
7019 *selected = (*selected + 1) % size;
7023 status = INPUT_CANCEL;
7027 for (i = 0; items[i].text; i++)
7028 if (items[i].hotkey == key) {
7030 status = INPUT_STOP;
7038 /* Clear the status window */
7039 status_empty = FALSE;
7042 return status != INPUT_CANCEL;
7046 * Repository properties
7049 static struct ref **refs = NULL;
7050 static size_t refs_size = 0;
7052 static struct ref_list **ref_lists = NULL;
7053 static size_t ref_lists_size = 0;
7055 DEFINE_ALLOCATOR(realloc_refs, struct ref *, 256)
7056 DEFINE_ALLOCATOR(realloc_refs_list, struct ref *, 8)
7057 DEFINE_ALLOCATOR(realloc_ref_lists, struct ref_list *, 8)
7060 compare_refs(const void *ref1_, const void *ref2_)
7062 const struct ref *ref1 = *(const struct ref **)ref1_;
7063 const struct ref *ref2 = *(const struct ref **)ref2_;
7065 if (ref1->tag != ref2->tag)
7066 return ref2->tag - ref1->tag;
7067 if (ref1->ltag != ref2->ltag)
7068 return ref2->ltag - ref2->ltag;
7069 if (ref1->head != ref2->head)
7070 return ref2->head - ref1->head;
7071 if (ref1->tracked != ref2->tracked)
7072 return ref2->tracked - ref1->tracked;
7073 if (ref1->remote != ref2->remote)
7074 return ref2->remote - ref1->remote;
7075 return strcmp(ref1->name, ref2->name);
7079 foreach_ref(bool (*visitor)(void *data, struct ref *ref), void *data)
7083 for (i = 0; i < refs_size; i++)
7084 if (!visitor(data, refs[i]))
7088 static struct ref_list *
7089 get_ref_list(const char *id)
7091 struct ref_list *list;
7094 for (i = 0; i < ref_lists_size; i++)
7095 if (!strcmp(id, ref_lists[i]->id))
7096 return ref_lists[i];
7098 if (!realloc_ref_lists(&ref_lists, ref_lists_size, 1))
7100 list = calloc(1, sizeof(*list));
7104 for (i = 0; i < refs_size; i++) {
7105 if (!strcmp(id, refs[i]->id) &&
7106 realloc_refs_list(&list->refs, list->size, 1))
7107 list->refs[list->size++] = refs[i];
7115 qsort(list->refs, list->size, sizeof(*list->refs), compare_refs);
7116 ref_lists[ref_lists_size++] = list;
7121 read_ref(char *id, size_t idlen, char *name, size_t namelen)
7123 struct ref *ref = NULL;
7126 bool remote = FALSE;
7127 bool tracked = FALSE;
7129 int from = 0, to = refs_size - 1;
7131 if (!prefixcmp(name, "refs/tags/")) {
7132 if (!suffixcmp(name, namelen, "^{}")) {
7140 namelen -= STRING_SIZE("refs/tags/");
7141 name += STRING_SIZE("refs/tags/");
7143 } else if (!prefixcmp(name, "refs/remotes/")) {
7145 namelen -= STRING_SIZE("refs/remotes/");
7146 name += STRING_SIZE("refs/remotes/");
7147 tracked = !strcmp(opt_remote, name);
7149 } else if (!prefixcmp(name, "refs/heads/")) {
7150 namelen -= STRING_SIZE("refs/heads/");
7151 name += STRING_SIZE("refs/heads/");
7152 head = !strncmp(opt_head, name, namelen);
7154 } else if (!strcmp(name, "HEAD")) {
7155 string_ncopy(opt_head_rev, id, idlen);
7159 /* If we are reloading or it's an annotated tag, replace the
7160 * previous SHA1 with the resolved commit id; relies on the fact
7161 * git-ls-remote lists the commit id of an annotated tag right
7162 * before the commit id it points to. */
7163 while (from <= to) {
7164 size_t pos = (to + from) / 2;
7165 int cmp = strcmp(name, refs[pos]->name);
7179 if (!realloc_refs(&refs, refs_size, 1))
7181 ref = calloc(1, sizeof(*ref) + namelen);
7184 memmove(refs + from + 1, refs + from,
7185 (refs_size - from) * sizeof(*refs));
7187 strncpy(ref->name, name, namelen);
7194 ref->remote = remote;
7195 ref->tracked = tracked;
7196 string_copy_rev(ref->id, id);
7204 const char *head_argv[] = {
7205 "git", "symbolic-ref", "HEAD", NULL
7207 static const char *ls_remote_argv[SIZEOF_ARG] = {
7208 "git", "ls-remote", opt_git_dir, NULL
7210 static bool init = FALSE;
7214 argv_from_env(ls_remote_argv, "TIG_LS_REMOTE");
7221 if (run_io_buf(head_argv, opt_head, sizeof(opt_head)) &&
7222 !prefixcmp(opt_head, "refs/heads/")) {
7223 char *offset = opt_head + STRING_SIZE("refs/heads/");
7225 memmove(opt_head, offset, strlen(offset) + 1);
7228 for (i = 0; i < refs_size; i++)
7231 if (run_io_load(ls_remote_argv, "\t", read_ref) == ERR)
7234 /* Update the ref lists to reflect changes. */
7235 for (i = 0; i < ref_lists_size; i++) {
7236 struct ref_list *list = ref_lists[i];
7239 for (old = new = 0; old < list->size; old++)
7240 if (!strcmp(list->id, list->refs[old]->id))
7241 list->refs[new++] = list->refs[old];
7249 set_remote_branch(const char *name, const char *value, size_t valuelen)
7251 if (!strcmp(name, ".remote")) {
7252 string_ncopy(opt_remote, value, valuelen);
7254 } else if (*opt_remote && !strcmp(name, ".merge")) {
7255 size_t from = strlen(opt_remote);
7257 if (!prefixcmp(value, "refs/heads/"))
7258 value += STRING_SIZE("refs/heads/");
7260 if (!string_format_from(opt_remote, &from, "/%s", value))
7266 set_repo_config_option(char *name, char *value, int (*cmd)(int, const char **))
7268 const char *argv[SIZEOF_ARG] = { name, "=" };
7269 int argc = 1 + (cmd == option_set_command);
7272 if (!argv_from_string(argv, &argc, value))
7273 config_msg = "Too many option arguments";
7275 error = cmd(argc, argv);
7278 warn("Option 'tig.%s': %s", name, config_msg);
7282 set_environment_variable(const char *name, const char *value)
7284 size_t len = strlen(name) + 1 + strlen(value) + 1;
7285 char *env = malloc(len);
7288 string_nformat(env, len, NULL, "%s=%s", name, value) &&
7296 set_work_tree(const char *value)
7298 char cwd[SIZEOF_STR];
7300 if (!getcwd(cwd, sizeof(cwd)))
7301 die("Failed to get cwd path: %s", strerror(errno));
7302 if (chdir(opt_git_dir) < 0)
7303 die("Failed to chdir(%s): %s", strerror(errno));
7304 if (!getcwd(opt_git_dir, sizeof(opt_git_dir)))
7305 die("Failed to get git path: %s", strerror(errno));
7307 die("Failed to chdir(%s): %s", cwd, strerror(errno));
7308 if (chdir(value) < 0)
7309 die("Failed to chdir(%s): %s", value, strerror(errno));
7310 if (!getcwd(cwd, sizeof(cwd)))
7311 die("Failed to get cwd path: %s", strerror(errno));
7312 if (!set_environment_variable("GIT_WORK_TREE", cwd))
7313 die("Failed to set GIT_WORK_TREE to '%s'", cwd);
7314 if (!set_environment_variable("GIT_DIR", opt_git_dir))
7315 die("Failed to set GIT_DIR to '%s'", opt_git_dir);
7316 opt_is_inside_work_tree = TRUE;
7320 read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen)
7322 if (!strcmp(name, "i18n.commitencoding"))
7323 string_ncopy(opt_encoding, value, valuelen);
7325 else if (!strcmp(name, "core.editor"))
7326 string_ncopy(opt_editor, value, valuelen);
7328 else if (!strcmp(name, "core.worktree"))
7329 set_work_tree(value);
7331 else if (!prefixcmp(name, "tig.color."))
7332 set_repo_config_option(name + 10, value, option_color_command);
7334 else if (!prefixcmp(name, "tig.bind."))
7335 set_repo_config_option(name + 9, value, option_bind_command);
7337 else if (!prefixcmp(name, "tig."))
7338 set_repo_config_option(name + 4, value, option_set_command);
7340 else if (*opt_head && !prefixcmp(name, "branch.") &&
7341 !strncmp(name + 7, opt_head, strlen(opt_head)))
7342 set_remote_branch(name + 7 + strlen(opt_head), value, valuelen);
7348 load_git_config(void)
7350 const char *config_list_argv[] = { "git", GIT_CONFIG, "--list", NULL };
7352 return run_io_load(config_list_argv, "=", read_repo_config_option);
7356 read_repo_info(char *name, size_t namelen, char *value, size_t valuelen)
7358 if (!opt_git_dir[0]) {
7359 string_ncopy(opt_git_dir, name, namelen);
7361 } else if (opt_is_inside_work_tree == -1) {
7362 /* This can be 3 different values depending on the
7363 * version of git being used. If git-rev-parse does not
7364 * understand --is-inside-work-tree it will simply echo
7365 * the option else either "true" or "false" is printed.
7366 * Default to true for the unknown case. */
7367 opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE;
7369 } else if (*name == '.') {
7370 string_ncopy(opt_cdup, name, namelen);
7373 string_ncopy(opt_prefix, name, namelen);
7380 load_repo_info(void)
7382 const char *rev_parse_argv[] = {
7383 "git", "rev-parse", "--git-dir", "--is-inside-work-tree",
7384 "--show-cdup", "--show-prefix", NULL
7387 return run_io_load(rev_parse_argv, "=", read_repo_info);
7395 static const char usage[] =
7396 "tig " TIG_VERSION " (" __DATE__ ")\n"
7398 "Usage: tig [options] [revs] [--] [paths]\n"
7399 " or: tig show [options] [revs] [--] [paths]\n"
7400 " or: tig blame [rev] path\n"
7403 " or: tig < [git command output]\n"
7406 " -v, --version Show version and exit\n"
7407 " -h, --help Show help message and exit";
7409 static void __NORETURN
7412 /* XXX: Restore tty modes and let the OS cleanup the rest! */
7418 static void __NORETURN
7419 die(const char *err, ...)
7425 va_start(args, err);
7426 fputs("tig: ", stderr);
7427 vfprintf(stderr, err, args);
7428 fputs("\n", stderr);
7435 warn(const char *msg, ...)
7439 va_start(args, msg);
7440 fputs("tig warning: ", stderr);
7441 vfprintf(stderr, msg, args);
7442 fputs("\n", stderr);
7447 parse_options(int argc, const char *argv[])
7449 enum request request = REQ_VIEW_MAIN;
7450 const char *subcommand;
7451 bool seen_dashdash = FALSE;
7452 /* XXX: This is vulnerable to the user overriding options
7453 * required for the main view parser. */
7454 const char *custom_argv[SIZEOF_ARG] = {
7455 "git", "log", "--no-color", "--pretty=raw", "--parents",
7456 "--topo-order", NULL
7460 if (!isatty(STDIN_FILENO)) {
7461 io_open(&VIEW(REQ_VIEW_PAGER)->io, "");
7462 return REQ_VIEW_PAGER;
7468 subcommand = argv[1];
7469 if (!strcmp(subcommand, "status")) {
7471 warn("ignoring arguments after `%s'", subcommand);
7472 return REQ_VIEW_STATUS;
7474 } else if (!strcmp(subcommand, "branch")) {
7476 warn("ignoring arguments after `%s'", subcommand);
7477 return REQ_VIEW_BRANCH;
7479 } else if (!strcmp(subcommand, "blame")) {
7480 if (argc <= 2 || argc > 4)
7481 die("invalid number of options to blame\n\n%s", usage);
7485 string_ncopy(opt_ref, argv[i], strlen(argv[i]));
7489 string_ncopy(opt_file, argv[i], strlen(argv[i]));
7490 return REQ_VIEW_BLAME;
7492 } else if (!strcmp(subcommand, "show")) {
7493 request = REQ_VIEW_DIFF;
7500 custom_argv[1] = subcommand;
7504 for (i = 1 + !!subcommand; i < argc; i++) {
7505 const char *opt = argv[i];
7507 if (seen_dashdash || !strcmp(opt, "--")) {
7508 seen_dashdash = TRUE;
7510 } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
7511 printf("tig version %s\n", TIG_VERSION);
7514 } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
7515 printf("%s\n", usage);
7519 custom_argv[j++] = opt;
7520 if (j >= ARRAY_SIZE(custom_argv))
7521 die("command too long");
7524 if (!prepare_update(VIEW(request), custom_argv, NULL, FORMAT_NONE))
7525 die("Failed to format arguments");
7531 main(int argc, const char *argv[])
7533 enum request request = parse_options(argc, argv);
7537 signal(SIGINT, quit);
7538 signal(SIGPIPE, SIG_IGN);
7540 if (setlocale(LC_ALL, "")) {
7541 char *codeset = nl_langinfo(CODESET);
7543 string_ncopy(opt_codeset, codeset, strlen(codeset));
7546 if (load_repo_info() == ERR)
7547 die("Failed to load repo info.");
7549 if (load_options() == ERR)
7550 die("Failed to load user config.");
7552 if (load_git_config() == ERR)
7553 die("Failed to load repo config.");
7555 /* Require a git repository unless when running in pager mode. */
7556 if (!opt_git_dir[0] && request != REQ_VIEW_PAGER)
7557 die("Not a git repository");
7559 if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8"))
7562 if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) {
7563 opt_iconv = iconv_open(opt_codeset, opt_encoding);
7564 if (opt_iconv == ICONV_NONE)
7565 die("Failed to initialize character set conversion");
7568 if (load_refs() == ERR)
7569 die("Failed to load refs.");
7571 foreach_view (view, i)
7572 argv_from_env(view->ops->argv, view->cmd_env);
7576 if (request != REQ_NONE)
7577 open_view(NULL, request, OPEN_PREPARED);
7578 request = request == REQ_NONE ? REQ_VIEW_MAIN : REQ_NONE;
7580 while (view_driver(display[current_view], request)) {
7581 int key = get_input(0);
7583 view = display[current_view];
7584 request = get_keybinding(view->keymap, key);
7586 /* Some low-level request handling. This keeps access to
7587 * status_win restricted. */
7591 char *cmd = read_prompt(":");
7593 if (cmd && isdigit(*cmd)) {
7594 int lineno = view->lineno + 1;
7596 if (parse_int(&lineno, cmd, 1, view->lines + 1) == OK) {
7597 select_view_line(view, lineno - 1);
7600 report("Unable to parse '%s' as a line number", cmd);
7604 struct view *next = VIEW(REQ_VIEW_PAGER);
7605 const char *argv[SIZEOF_ARG] = { "git" };
7608 /* When running random commands, initially show the
7609 * command in the title. However, it maybe later be
7610 * overwritten if a commit line is selected. */
7611 string_ncopy(next->ref, cmd, strlen(cmd));
7613 if (!argv_from_string(argv, &argc, cmd)) {
7614 report("Too many arguments");
7615 } else if (!prepare_update(next, argv, NULL, FORMAT_DASH)) {
7616 report("Failed to format command");
7618 open_view(view, REQ_VIEW_PAGER, OPEN_PREPARED);
7626 case REQ_SEARCH_BACK:
7628 const char *prompt = request == REQ_SEARCH ? "/" : "?";
7629 char *search = read_prompt(prompt);
7632 string_ncopy(opt_search, search, strlen(search));
7633 else if (*opt_search)
7634 request = request == REQ_SEARCH ?