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;
2278 redraw_display(bool clear)
2283 foreach_displayed_view (view, i) {
2287 update_view_title(view);
2292 toggle_view_option(bool *option, const char *help)
2295 redraw_display(FALSE);
2296 report("%sabling %s", *option ? "En" : "Dis", help);
2300 open_option_menu(void)
2302 const struct menu_item menu[] = {
2303 { '.', "line numbers", &opt_line_number },
2304 { 'D', "date display", &opt_date },
2305 { 'A', "author display", &opt_author },
2306 { 'g', "revision graph display", &opt_rev_graph },
2307 { 'F', "reference display", &opt_show_refs },
2312 if (prompt_menu("Toggle option", menu, &selected))
2313 toggle_view_option(menu[selected].data, menu[selected].text);
2317 maximize_view(struct view *view)
2319 memset(display, 0, sizeof(display));
2321 display[current_view] = view;
2323 redraw_display(FALSE);
2333 goto_view_line(struct view *view, unsigned long offset, unsigned long lineno)
2335 if (lineno >= view->lines)
2336 lineno = view->lines > 0 ? view->lines - 1 : 0;
2338 if (offset > lineno || offset + view->height <= lineno) {
2339 unsigned long half = view->height / 2;
2342 offset = lineno - half;
2347 if (offset != view->offset || lineno != view->lineno) {
2348 view->offset = offset;
2349 view->lineno = lineno;
2357 apply_step(double step, int value)
2361 value *= step + 0.01;
2362 return value ? value : 1;
2365 /* Scrolling backend */
2367 do_scroll_view(struct view *view, int lines)
2369 bool redraw_current_line = FALSE;
2371 /* The rendering expects the new offset. */
2372 view->offset += lines;
2374 assert(0 <= view->offset && view->offset < view->lines);
2377 /* Move current line into the view. */
2378 if (view->lineno < view->offset) {
2379 view->lineno = view->offset;
2380 redraw_current_line = TRUE;
2381 } else if (view->lineno >= view->offset + view->height) {
2382 view->lineno = view->offset + view->height - 1;
2383 redraw_current_line = TRUE;
2386 assert(view->offset <= view->lineno && view->lineno < view->lines);
2388 /* Redraw the whole screen if scrolling is pointless. */
2389 if (view->height < ABS(lines)) {
2393 int line = lines > 0 ? view->height - lines : 0;
2394 int end = line + ABS(lines);
2396 scrollok(view->win, TRUE);
2397 wscrl(view->win, lines);
2398 scrollok(view->win, FALSE);
2400 while (line < end && draw_view_line(view, line))
2403 if (redraw_current_line)
2404 draw_view_line(view, view->lineno - view->offset);
2405 wnoutrefresh(view->win);
2408 view->has_scrolled = TRUE;
2412 /* Scroll frontend */
2414 scroll_view(struct view *view, enum request request)
2418 assert(view_is_displayed(view));
2421 case REQ_SCROLL_LEFT:
2422 if (view->yoffset == 0) {
2423 report("Cannot scroll beyond the first column");
2426 if (view->yoffset <= apply_step(opt_hscroll, view->width))
2429 view->yoffset -= apply_step(opt_hscroll, view->width);
2430 redraw_view_from(view, 0);
2433 case REQ_SCROLL_RIGHT:
2434 view->yoffset += apply_step(opt_hscroll, view->width);
2438 case REQ_SCROLL_PAGE_DOWN:
2439 lines = view->height;
2440 case REQ_SCROLL_LINE_DOWN:
2441 if (view->offset + lines > view->lines)
2442 lines = view->lines - view->offset;
2444 if (lines == 0 || view->offset + view->height >= view->lines) {
2445 report("Cannot scroll beyond the last line");
2450 case REQ_SCROLL_PAGE_UP:
2451 lines = view->height;
2452 case REQ_SCROLL_LINE_UP:
2453 if (lines > view->offset)
2454 lines = view->offset;
2457 report("Cannot scroll beyond the first line");
2465 die("request %d not handled in switch", request);
2468 do_scroll_view(view, lines);
2473 move_view(struct view *view, enum request request)
2475 int scroll_steps = 0;
2479 case REQ_MOVE_FIRST_LINE:
2480 steps = -view->lineno;
2483 case REQ_MOVE_LAST_LINE:
2484 steps = view->lines - view->lineno - 1;
2487 case REQ_MOVE_PAGE_UP:
2488 steps = view->height > view->lineno
2489 ? -view->lineno : -view->height;
2492 case REQ_MOVE_PAGE_DOWN:
2493 steps = view->lineno + view->height >= view->lines
2494 ? view->lines - view->lineno - 1 : view->height;
2506 die("request %d not handled in switch", request);
2509 if (steps <= 0 && view->lineno == 0) {
2510 report("Cannot move beyond the first line");
2513 } else if (steps >= 0 && view->lineno + 1 >= view->lines) {
2514 report("Cannot move beyond the last line");
2518 /* Move the current line */
2519 view->lineno += steps;
2520 assert(0 <= view->lineno && view->lineno < view->lines);
2522 /* Check whether the view needs to be scrolled */
2523 if (view->lineno < view->offset ||
2524 view->lineno >= view->offset + view->height) {
2525 scroll_steps = steps;
2526 if (steps < 0 && -steps > view->offset) {
2527 scroll_steps = -view->offset;
2529 } else if (steps > 0) {
2530 if (view->lineno == view->lines - 1 &&
2531 view->lines > view->height) {
2532 scroll_steps = view->lines - view->offset - 1;
2533 if (scroll_steps >= view->height)
2534 scroll_steps -= view->height - 1;
2539 if (!view_is_displayed(view)) {
2540 view->offset += scroll_steps;
2541 assert(0 <= view->offset && view->offset < view->lines);
2542 view->ops->select(view, &view->line[view->lineno]);
2546 /* Repaint the old "current" line if we be scrolling */
2547 if (ABS(steps) < view->height)
2548 draw_view_line(view, view->lineno - steps - view->offset);
2551 do_scroll_view(view, scroll_steps);
2555 /* Draw the current line */
2556 draw_view_line(view, view->lineno - view->offset);
2558 wnoutrefresh(view->win);
2567 static void search_view(struct view *view, enum request request);
2570 grep_text(struct view *view, const char *text[])
2575 for (i = 0; text[i]; i++)
2577 regexec(view->regex, text[i], 1, &pmatch, 0) != REG_NOMATCH)
2583 select_view_line(struct view *view, unsigned long lineno)
2585 unsigned long old_lineno = view->lineno;
2586 unsigned long old_offset = view->offset;
2588 if (goto_view_line(view, view->offset, lineno)) {
2589 if (view_is_displayed(view)) {
2590 if (old_offset != view->offset) {
2593 draw_view_line(view, old_lineno - view->offset);
2594 draw_view_line(view, view->lineno - view->offset);
2595 wnoutrefresh(view->win);
2598 view->ops->select(view, &view->line[view->lineno]);
2604 find_next(struct view *view, enum request request)
2606 unsigned long lineno = view->lineno;
2611 report("No previous search");
2613 search_view(view, request);
2623 case REQ_SEARCH_BACK:
2632 if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV)
2633 lineno += direction;
2635 /* Note, lineno is unsigned long so will wrap around in which case it
2636 * will become bigger than view->lines. */
2637 for (; lineno < view->lines; lineno += direction) {
2638 if (view->ops->grep(view, &view->line[lineno])) {
2639 select_view_line(view, lineno);
2640 report("Line %ld matches '%s'", lineno + 1, view->grep);
2645 report("No match found for '%s'", view->grep);
2649 search_view(struct view *view, enum request request)
2654 regfree(view->regex);
2657 view->regex = calloc(1, sizeof(*view->regex));
2662 regex_err = regcomp(view->regex, opt_search, REG_EXTENDED);
2663 if (regex_err != 0) {
2664 char buf[SIZEOF_STR] = "unknown error";
2666 regerror(regex_err, view->regex, buf, sizeof(buf));
2667 report("Search failed: %s", buf);
2671 string_copy(view->grep, opt_search);
2673 find_next(view, request);
2677 * Incremental updating
2681 reset_view(struct view *view)
2685 for (i = 0; i < view->lines; i++)
2686 free(view->line[i].data);
2689 view->p_offset = view->offset;
2690 view->p_yoffset = view->yoffset;
2691 view->p_lineno = view->lineno;
2699 view->update_secs = 0;
2703 free_argv(const char *argv[])
2707 for (argc = 0; argv[argc]; argc++)
2708 free((void *) argv[argc]);
2712 format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags flags)
2714 char buf[SIZEOF_STR];
2716 bool noreplace = flags == FORMAT_NONE;
2718 free_argv(dst_argv);
2720 for (argc = 0; src_argv[argc]; argc++) {
2721 const char *arg = src_argv[argc];
2725 char *next = strstr(arg, "%(");
2726 int len = next - arg;
2729 if (!next || noreplace) {
2730 if (flags == FORMAT_DASH && !strcmp(arg, "--"))
2735 } else if (!prefixcmp(next, "%(directory)")) {
2738 } else if (!prefixcmp(next, "%(file)")) {
2741 } else if (!prefixcmp(next, "%(ref)")) {
2742 value = *opt_ref ? opt_ref : "HEAD";
2744 } else if (!prefixcmp(next, "%(head)")) {
2747 } else if (!prefixcmp(next, "%(commit)")) {
2750 } else if (!prefixcmp(next, "%(blob)")) {
2754 report("Unknown replacement: `%s`", next);
2758 if (!string_format_from(buf, &bufpos, "%.*s%s", len, arg, value))
2761 arg = next && !noreplace ? strchr(next, ')') + 1 : NULL;
2764 dst_argv[argc] = strdup(buf);
2765 if (!dst_argv[argc])
2769 dst_argv[argc] = NULL;
2771 return src_argv[argc] == NULL;
2775 restore_view_position(struct view *view)
2777 if (!view->p_restore || (view->pipe && view->lines <= view->p_lineno))
2780 /* Changing the view position cancels the restoring. */
2781 /* FIXME: Changing back to the first line is not detected. */
2782 if (view->offset != 0 || view->lineno != 0) {
2783 view->p_restore = FALSE;
2787 if (goto_view_line(view, view->p_offset, view->p_lineno) &&
2788 view_is_displayed(view))
2791 view->yoffset = view->p_yoffset;
2792 view->p_restore = FALSE;
2798 end_update(struct view *view, bool force)
2802 while (!view->ops->read(view, NULL))
2805 set_nonblocking_input(FALSE);
2807 kill_io(view->pipe);
2808 done_io(view->pipe);
2813 setup_update(struct view *view, const char *vid)
2815 set_nonblocking_input(TRUE);
2817 string_copy_rev(view->vid, vid);
2818 view->pipe = &view->io;
2819 view->start_time = time(NULL);
2823 prepare_update(struct view *view, const char *argv[], const char *dir,
2824 enum format_flags flags)
2827 end_update(view, TRUE);
2828 return init_io_rd(&view->io, argv, dir, flags);
2832 prepare_update_file(struct view *view, const char *name)
2835 end_update(view, TRUE);
2836 return io_open(&view->io, name);
2840 begin_update(struct view *view, bool refresh)
2843 end_update(view, TRUE);
2846 if (!start_io(&view->io))
2850 if (view == VIEW(REQ_VIEW_TREE) && strcmp(view->vid, view->id))
2853 if (!run_io_rd(&view->io, view->ops->argv, FORMAT_ALL))
2856 /* Put the current ref_* value to the view title ref
2857 * member. This is needed by the blob view. Most other
2858 * views sets it automatically after loading because the
2859 * first line is a commit line. */
2860 string_copy_rev(view->ref, view->id);
2863 setup_update(view, view->id);
2869 update_view(struct view *view)
2871 char out_buffer[BUFSIZ * 2];
2873 /* Clear the view and redraw everything since the tree sorting
2874 * might have rearranged things. */
2875 bool redraw = view->lines == 0;
2876 bool can_read = TRUE;
2881 if (!io_can_read(view->pipe)) {
2882 if (view->lines == 0 && view_is_displayed(view)) {
2883 time_t secs = time(NULL) - view->start_time;
2885 if (secs > 1 && secs > view->update_secs) {
2886 if (view->update_secs == 0)
2888 update_view_title(view);
2889 view->update_secs = secs;
2895 for (; (line = io_get(view->pipe, '\n', can_read)); can_read = FALSE) {
2896 if (opt_iconv != ICONV_NONE) {
2897 ICONV_CONST char *inbuf = line;
2898 size_t inlen = strlen(line) + 1;
2900 char *outbuf = out_buffer;
2901 size_t outlen = sizeof(out_buffer);
2905 ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen);
2906 if (ret != (size_t) -1)
2910 if (!view->ops->read(view, line)) {
2911 report("Allocation failure");
2912 end_update(view, TRUE);
2918 unsigned long lines = view->lines;
2921 for (digits = 0; lines; digits++)
2924 /* Keep the displayed view in sync with line number scaling. */
2925 if (digits != view->digits) {
2926 view->digits = digits;
2927 if (opt_line_number || view == VIEW(REQ_VIEW_BLAME))
2932 if (io_error(view->pipe)) {
2933 report("Failed to read: %s", io_strerror(view->pipe));
2934 end_update(view, TRUE);
2936 } else if (io_eof(view->pipe)) {
2938 end_update(view, FALSE);
2941 if (restore_view_position(view))
2944 if (!view_is_displayed(view))
2948 redraw_view_from(view, 0);
2950 redraw_view_dirty(view);
2952 /* Update the title _after_ the redraw so that if the redraw picks up a
2953 * commit reference in view->ref it'll be available here. */
2954 update_view_title(view);
2958 DEFINE_ALLOCATOR(realloc_lines, struct line, 256)
2960 static struct line *
2961 add_line_data(struct view *view, void *data, enum line_type type)
2965 if (!realloc_lines(&view->line, view->lines, 1))
2968 line = &view->line[view->lines++];
2969 memset(line, 0, sizeof(*line));
2977 static struct line *
2978 add_line_text(struct view *view, const char *text, enum line_type type)
2980 char *data = text ? strdup(text) : NULL;
2982 return data ? add_line_data(view, data, type) : NULL;
2985 static struct line *
2986 add_line_format(struct view *view, enum line_type type, const char *fmt, ...)
2988 char buf[SIZEOF_STR];
2991 va_start(args, fmt);
2992 if (vsnprintf(buf, sizeof(buf), fmt, args) >= sizeof(buf))
2996 return buf[0] ? add_line_text(view, buf, type) : NULL;
3004 OPEN_DEFAULT = 0, /* Use default view switching. */
3005 OPEN_SPLIT = 1, /* Split current view. */
3006 OPEN_RELOAD = 4, /* Reload view even if it is the current. */
3007 OPEN_REFRESH = 16, /* Refresh view using previous command. */
3008 OPEN_PREPARED = 32, /* Open already prepared command. */
3012 open_view(struct view *prev, enum request request, enum open_flags flags)
3014 bool split = !!(flags & OPEN_SPLIT);
3015 bool reload = !!(flags & (OPEN_RELOAD | OPEN_REFRESH | OPEN_PREPARED));
3016 bool nomaximize = !!(flags & OPEN_REFRESH);
3017 struct view *view = VIEW(request);
3018 int nviews = displayed_views();
3019 struct view *base_view = display[0];
3021 if (view == prev && nviews == 1 && !reload) {
3022 report("Already in %s view", view->name);
3026 if (view->git_dir && !opt_git_dir[0]) {
3027 report("The %s view is disabled in pager view", view->name);
3034 } else if (!nomaximize) {
3035 /* Maximize the current view. */
3036 memset(display, 0, sizeof(display));
3038 display[current_view] = view;
3041 /* Resize the view when switching between split- and full-screen,
3042 * or when switching between two different full-screen views. */
3043 if (nviews != displayed_views() ||
3044 (nviews == 1 && base_view != display[0]))
3047 if (view->ops->open) {
3049 end_update(view, TRUE);
3050 if (!view->ops->open(view)) {
3051 report("Failed to load %s view", view->name);
3054 restore_view_position(view);
3056 } else if ((reload || strcmp(view->vid, view->id)) &&
3057 !begin_update(view, flags & (OPEN_REFRESH | OPEN_PREPARED))) {
3058 report("Failed to load %s view", view->name);
3062 if (split && prev->lineno - prev->offset >= prev->height) {
3063 /* Take the title line into account. */
3064 int lines = prev->lineno - prev->offset - prev->height + 1;
3066 /* Scroll the view that was split if the current line is
3067 * outside the new limited view. */
3068 do_scroll_view(prev, lines);
3071 if (prev && view != prev) {
3073 /* "Blur" the previous view. */
3074 update_view_title(prev);
3077 view->parent = prev;
3080 if (view->pipe && view->lines == 0) {
3081 /* Clear the old view and let the incremental updating refill
3084 view->p_restore = flags & (OPEN_RELOAD | OPEN_REFRESH);
3086 } else if (view_is_displayed(view)) {
3093 open_external_viewer(const char *argv[], const char *dir)
3095 def_prog_mode(); /* save current tty modes */
3096 endwin(); /* restore original tty modes */
3097 run_io_fg(argv, dir);
3098 fprintf(stderr, "Press Enter to continue");
3101 redraw_display(TRUE);
3105 open_mergetool(const char *file)
3107 const char *mergetool_argv[] = { "git", "mergetool", file, NULL };
3109 open_external_viewer(mergetool_argv, opt_cdup);
3113 open_editor(bool from_root, const char *file)
3115 const char *editor_argv[] = { "vi", file, NULL };
3118 editor = getenv("GIT_EDITOR");
3119 if (!editor && *opt_editor)
3120 editor = opt_editor;
3122 editor = getenv("VISUAL");
3124 editor = getenv("EDITOR");
3128 editor_argv[0] = editor;
3129 open_external_viewer(editor_argv, from_root ? opt_cdup : NULL);
3133 open_run_request(enum request request)
3135 struct run_request *req = get_run_request(request);
3136 const char *argv[ARRAY_SIZE(req->argv)] = { NULL };
3139 report("Unknown run request");
3143 if (format_argv(argv, req->argv, FORMAT_ALL))
3144 open_external_viewer(argv, NULL);
3149 * User request switch noodle
3153 view_driver(struct view *view, enum request request)
3157 if (request == REQ_NONE)
3160 if (request > REQ_NONE) {
3161 open_run_request(request);
3162 /* FIXME: When all views can refresh always do this. */
3163 if (view == VIEW(REQ_VIEW_STATUS) ||
3164 view == VIEW(REQ_VIEW_MAIN) ||
3165 view == VIEW(REQ_VIEW_LOG) ||
3166 view == VIEW(REQ_VIEW_BRANCH) ||
3167 view == VIEW(REQ_VIEW_STAGE))
3168 request = REQ_REFRESH;
3173 if (view && view->lines) {
3174 request = view->ops->request(view, request, &view->line[view->lineno]);
3175 if (request == REQ_NONE)
3182 case REQ_MOVE_PAGE_UP:
3183 case REQ_MOVE_PAGE_DOWN:
3184 case REQ_MOVE_FIRST_LINE:
3185 case REQ_MOVE_LAST_LINE:
3186 move_view(view, request);
3189 case REQ_SCROLL_LEFT:
3190 case REQ_SCROLL_RIGHT:
3191 case REQ_SCROLL_LINE_DOWN:
3192 case REQ_SCROLL_LINE_UP:
3193 case REQ_SCROLL_PAGE_DOWN:
3194 case REQ_SCROLL_PAGE_UP:
3195 scroll_view(view, request);
3198 case REQ_VIEW_BLAME:
3200 report("No file chosen, press %s to open tree view",
3201 get_key(REQ_VIEW_TREE));
3204 open_view(view, request, OPEN_DEFAULT);
3209 report("No file chosen, press %s to open tree view",
3210 get_key(REQ_VIEW_TREE));
3213 open_view(view, request, OPEN_DEFAULT);
3216 case REQ_VIEW_PAGER:
3217 if (!VIEW(REQ_VIEW_PAGER)->pipe && !VIEW(REQ_VIEW_PAGER)->lines) {
3218 report("No pager content, press %s to run command from prompt",
3219 get_key(REQ_PROMPT));
3222 open_view(view, request, OPEN_DEFAULT);
3225 case REQ_VIEW_STAGE:
3226 if (!VIEW(REQ_VIEW_STAGE)->lines) {
3227 report("No stage content, press %s to open the status view and choose file",
3228 get_key(REQ_VIEW_STATUS));
3231 open_view(view, request, OPEN_DEFAULT);
3234 case REQ_VIEW_STATUS:
3235 if (opt_is_inside_work_tree == FALSE) {
3236 report("The status view requires a working tree");
3239 open_view(view, request, OPEN_DEFAULT);
3247 case REQ_VIEW_BRANCH:
3248 open_view(view, request, OPEN_DEFAULT);
3253 request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP;
3255 if ((view == VIEW(REQ_VIEW_DIFF) &&
3256 view->parent == VIEW(REQ_VIEW_MAIN)) ||
3257 (view == VIEW(REQ_VIEW_DIFF) &&
3258 view->parent == VIEW(REQ_VIEW_BLAME)) ||
3259 (view == VIEW(REQ_VIEW_STAGE) &&
3260 view->parent == VIEW(REQ_VIEW_STATUS)) ||
3261 (view == VIEW(REQ_VIEW_BLOB) &&
3262 view->parent == VIEW(REQ_VIEW_TREE)) ||
3263 (view == VIEW(REQ_VIEW_MAIN) &&
3264 view->parent == VIEW(REQ_VIEW_BRANCH))) {
3267 view = view->parent;
3268 line = view->lineno;
3269 move_view(view, request);
3270 if (view_is_displayed(view))
3271 update_view_title(view);
3272 if (line != view->lineno)
3273 view->ops->request(view, REQ_ENTER,
3274 &view->line[view->lineno]);
3277 move_view(view, request);
3283 int nviews = displayed_views();
3284 int next_view = (current_view + 1) % nviews;
3286 if (next_view == current_view) {
3287 report("Only one view is displayed");
3291 current_view = next_view;
3292 /* Blur out the title of the previous view. */
3293 update_view_title(view);
3298 report("Refreshing is not yet supported for the %s view", view->name);
3302 if (displayed_views() == 2)
3303 maximize_view(view);
3310 case REQ_TOGGLE_LINENO:
3311 toggle_view_option(&opt_line_number, "line numbers");
3314 case REQ_TOGGLE_DATE:
3315 toggle_view_option(&opt_date, "date display");
3318 case REQ_TOGGLE_AUTHOR:
3319 toggle_view_option(&opt_author, "author display");
3322 case REQ_TOGGLE_REV_GRAPH:
3323 toggle_view_option(&opt_rev_graph, "revision graph display");
3326 case REQ_TOGGLE_REFS:
3327 toggle_view_option(&opt_show_refs, "reference display");
3330 case REQ_TOGGLE_SORT_FIELD:
3331 case REQ_TOGGLE_SORT_ORDER:
3332 report("Sorting is not yet supported for the %s view", view->name);
3336 case REQ_SEARCH_BACK:
3337 search_view(view, request);
3342 find_next(view, request);
3345 case REQ_STOP_LOADING:
3346 for (i = 0; i < ARRAY_SIZE(views); i++) {
3349 report("Stopped loading the %s view", view->name),
3350 end_update(view, TRUE);
3354 case REQ_SHOW_VERSION:
3355 report("tig-%s (built %s)", TIG_VERSION, __DATE__);
3358 case REQ_SCREEN_REDRAW:
3359 redraw_display(TRUE);
3363 report("Nothing to edit");
3367 report("Nothing to enter");
3370 case REQ_VIEW_CLOSE:
3371 /* XXX: Mark closed views by letting view->parent point to the
3372 * view itself. Parents to closed view should never be
3375 view->parent->parent != view->parent) {
3376 maximize_view(view->parent);
3377 view->parent = view;
3385 report("Unknown key, press 'h' for help");
3394 * View backend utilities
3404 const enum sort_field *fields;
3405 size_t size, current;
3409 #define SORT_STATE(fields) { fields, ARRAY_SIZE(fields), 0 }
3410 #define get_sort_field(state) ((state).fields[(state).current])
3411 #define sort_order(state, result) ((state).reverse ? -(result) : (result))
3414 sort_view(struct view *view, enum request request, struct sort_state *state,
3415 int (*compare)(const void *, const void *))
3418 case REQ_TOGGLE_SORT_FIELD:
3419 state->current = (state->current + 1) % state->size;
3422 case REQ_TOGGLE_SORT_ORDER:
3423 state->reverse = !state->reverse;
3426 die("Not a sort request");
3429 qsort(view->line, view->lines, sizeof(*view->line), compare);
3433 DEFINE_ALLOCATOR(realloc_authors, const char *, 256)
3435 /* Small author cache to reduce memory consumption. It uses binary
3436 * search to lookup or find place to position new entries. No entries
3437 * are ever freed. */
3439 get_author(const char *name)
3441 static const char **authors;
3442 static size_t authors_size;
3443 int from = 0, to = authors_size - 1;
3445 while (from <= to) {
3446 size_t pos = (to + from) / 2;
3447 int cmp = strcmp(name, authors[pos]);
3450 return authors[pos];
3458 if (!realloc_authors(&authors, authors_size, 1))
3460 name = strdup(name);
3464 memmove(authors + from + 1, authors + from, (authors_size - from) * sizeof(*authors));
3465 authors[from] = name;
3472 parse_timezone(time_t *time, const char *zone)
3476 tz = ('0' - zone[1]) * 60 * 60 * 10;
3477 tz += ('0' - zone[2]) * 60 * 60;
3478 tz += ('0' - zone[3]) * 60;
3479 tz += ('0' - zone[4]);
3487 /* Parse author lines where the name may be empty:
3488 * author <email@address.tld> 1138474660 +0100
3491 parse_author_line(char *ident, const char **author, time_t *time)
3493 char *nameend = strchr(ident, '<');
3494 char *emailend = strchr(ident, '>');
3496 if (nameend && emailend)
3497 *nameend = *emailend = 0;
3498 ident = chomp_string(ident);
3501 ident = chomp_string(nameend + 1);
3506 *author = get_author(ident);
3508 /* Parse epoch and timezone */
3509 if (emailend && emailend[1] == ' ') {
3510 char *secs = emailend + 2;
3511 char *zone = strchr(secs, ' ');
3513 *time = (time_t) atol(secs);
3515 if (zone && strlen(zone) == STRING_SIZE(" +0700"))
3516 parse_timezone(time, zone + 1);
3521 open_commit_parent_menu(char buf[SIZEOF_STR], int *parents)
3523 char rev[SIZEOF_REV];
3524 const char *revlist_argv[] = {
3525 "git", "log", "--no-color", "-1", "--pretty=format:%s", rev, NULL
3527 struct menu_item *items;
3528 char text[SIZEOF_STR];
3532 items = calloc(*parents + 1, sizeof(*items));
3536 for (i = 0; i < *parents; i++) {
3537 string_copy_rev(rev, &buf[SIZEOF_REV * i]);
3538 if (!run_io_buf(revlist_argv, text, sizeof(text)) ||
3539 !(items[i].text = strdup(text))) {
3547 ok = prompt_menu("Select parent", items, parents);
3549 for (i = 0; items[i].text; i++)
3550 free((char *) items[i].text);
3556 select_commit_parent(const char *id, char rev[SIZEOF_REV], const char *path)
3558 char buf[SIZEOF_STR * 4];
3559 const char *revlist_argv[] = {
3560 "git", "log", "--no-color", "-1",
3561 "--pretty=format:%P", id, "--", path, NULL
3565 if (!run_io_buf(revlist_argv, buf, sizeof(buf)) ||
3566 (parents = strlen(buf) / 40) < 0) {
3567 report("Failed to get parent information");
3570 } else if (parents == 0) {
3572 report("Path '%s' does not exist in the parent", path);
3574 report("The selected commit has no parents");
3578 if (parents > 1 && !open_commit_parent_menu(buf, &parents))
3581 string_copy_rev(rev, &buf[41 * parents]);
3590 pager_draw(struct view *view, struct line *line, unsigned int lineno)
3592 char text[SIZEOF_STR];
3594 if (opt_line_number && draw_lineno(view, lineno))
3597 string_expand(text, sizeof(text), line->data, opt_tab_size);
3598 draw_text(view, line->type, text, TRUE);
3603 add_describe_ref(char *buf, size_t *bufpos, const char *commit_id, const char *sep)
3605 const char *describe_argv[] = { "git", "describe", commit_id, NULL };
3606 char ref[SIZEOF_STR];
3608 if (!run_io_buf(describe_argv, ref, sizeof(ref)) || !*ref)
3611 /* This is the only fatal call, since it can "corrupt" the buffer. */
3612 if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref))
3619 add_pager_refs(struct view *view, struct line *line)
3621 char buf[SIZEOF_STR];
3622 char *commit_id = (char *)line->data + STRING_SIZE("commit ");
3623 struct ref_list *list;
3624 size_t bufpos = 0, i;
3625 const char *sep = "Refs: ";
3626 bool is_tag = FALSE;
3628 assert(line->type == LINE_COMMIT);
3630 list = get_ref_list(commit_id);
3632 if (view == VIEW(REQ_VIEW_DIFF))
3633 goto try_add_describe_ref;
3637 for (i = 0; i < list->size; i++) {
3638 struct ref *ref = list->refs[i];
3639 const char *fmt = ref->tag ? "%s[%s]" :
3640 ref->remote ? "%s<%s>" : "%s%s";
3642 if (!string_format_from(buf, &bufpos, fmt, sep, ref->name))
3649 if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) {
3650 try_add_describe_ref:
3651 /* Add <tag>-g<commit_id> "fake" reference. */
3652 if (!add_describe_ref(buf, &bufpos, commit_id, sep))
3659 add_line_text(view, buf, LINE_PP_REFS);
3663 pager_read(struct view *view, char *data)
3670 line = add_line_text(view, data, get_line_type(data));
3674 if (line->type == LINE_COMMIT &&
3675 (view == VIEW(REQ_VIEW_DIFF) ||
3676 view == VIEW(REQ_VIEW_LOG)))
3677 add_pager_refs(view, line);
3683 pager_request(struct view *view, enum request request, struct line *line)
3687 if (request != REQ_ENTER)
3690 if (line->type == LINE_COMMIT &&
3691 (view == VIEW(REQ_VIEW_LOG) ||
3692 view == VIEW(REQ_VIEW_PAGER))) {
3693 open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT);
3697 /* Always scroll the view even if it was split. That way
3698 * you can use Enter to scroll through the log view and
3699 * split open each commit diff. */
3700 scroll_view(view, REQ_SCROLL_LINE_DOWN);
3702 /* FIXME: A minor workaround. Scrolling the view will call report("")
3703 * but if we are scrolling a non-current view this won't properly
3704 * update the view title. */
3706 update_view_title(view);
3712 pager_grep(struct view *view, struct line *line)
3714 const char *text[] = { line->data, NULL };
3716 return grep_text(view, text);
3720 pager_select(struct view *view, struct line *line)
3722 if (line->type == LINE_COMMIT) {
3723 char *text = (char *)line->data + STRING_SIZE("commit ");
3725 if (view != VIEW(REQ_VIEW_PAGER))
3726 string_copy_rev(view->ref, text);
3727 string_copy_rev(ref_commit, text);
3731 static struct view_ops pager_ops = {
3742 static const char *log_argv[SIZEOF_ARG] = {
3743 "git", "log", "--no-color", "--cc", "--stat", "-n100", "%(head)", NULL
3747 log_request(struct view *view, enum request request, struct line *line)
3752 open_view(view, REQ_VIEW_LOG, OPEN_REFRESH);
3755 return pager_request(view, request, line);
3759 static struct view_ops log_ops = {
3770 static const char *diff_argv[SIZEOF_ARG] = {
3771 "git", "show", "--pretty=fuller", "--no-color", "--root",
3772 "--patch-with-stat", "--find-copies-harder", "-C", "%(commit)", NULL
3775 static struct view_ops diff_ops = {
3791 help_open(struct view *view)
3793 char buf[SIZEOF_STR];
3797 if (view->lines > 0)
3800 add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT);
3802 for (i = 0; i < ARRAY_SIZE(req_info); i++) {
3805 if (req_info[i].request == REQ_NONE)
3808 if (!req_info[i].request) {
3809 add_line_text(view, "", LINE_DEFAULT);
3810 add_line_text(view, req_info[i].help, LINE_DEFAULT);
3814 key = get_key(req_info[i].request);
3816 key = "(no key defined)";
3818 for (bufpos = 0; bufpos <= req_info[i].namelen; bufpos++) {
3819 buf[bufpos] = tolower(req_info[i].name[bufpos]);
3820 if (buf[bufpos] == '_')
3824 add_line_format(view, LINE_DEFAULT, " %-25s %-20s %s",
3825 key, buf, req_info[i].help);
3829 add_line_text(view, "", LINE_DEFAULT);
3830 add_line_text(view, "External commands:", LINE_DEFAULT);
3833 for (i = 0; i < run_requests; i++) {
3834 struct run_request *req = get_run_request(REQ_NONE + i + 1);
3841 key = get_key_name(req->key);
3843 key = "(no key defined)";
3845 for (bufpos = 0, argc = 0; req->argv[argc]; argc++)
3846 if (!string_format_from(buf, &bufpos, "%s%s",
3847 argc ? " " : "", req->argv[argc]))
3850 add_line_format(view, LINE_DEFAULT, " %-10s %-14s `%s`",
3851 keymap_table[req->keymap].name, key, buf);
3857 static struct view_ops help_ops = {
3873 struct tree_stack_entry {
3874 struct tree_stack_entry *prev; /* Entry below this in the stack */
3875 unsigned long lineno; /* Line number to restore */
3876 char *name; /* Position of name in opt_path */
3879 /* The top of the path stack. */
3880 static struct tree_stack_entry *tree_stack = NULL;
3881 unsigned long tree_lineno = 0;
3884 pop_tree_stack_entry(void)
3886 struct tree_stack_entry *entry = tree_stack;
3888 tree_lineno = entry->lineno;
3890 tree_stack = entry->prev;
3895 push_tree_stack_entry(const char *name, unsigned long lineno)
3897 struct tree_stack_entry *entry = calloc(1, sizeof(*entry));
3898 size_t pathlen = strlen(opt_path);
3903 entry->prev = tree_stack;
3904 entry->name = opt_path + pathlen;
3907 if (!string_format_from(opt_path, &pathlen, "%s/", name)) {
3908 pop_tree_stack_entry();
3912 /* Move the current line to the first tree entry. */
3914 entry->lineno = lineno;
3917 /* Parse output from git-ls-tree(1):
3919 * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c
3922 #define SIZEOF_TREE_ATTR \
3923 STRING_SIZE("100644 blob f931e1d229c3e185caad4449bf5b66ed72462657\t")
3925 #define SIZEOF_TREE_MODE \
3926 STRING_SIZE("100644 ")
3928 #define TREE_ID_OFFSET \
3929 STRING_SIZE("100644 blob ")
3932 char id[SIZEOF_REV];
3934 time_t time; /* Date from the author ident. */
3935 const char *author; /* Author of the commit. */
3940 tree_path(const struct line *line)
3942 return ((struct tree_entry *) line->data)->name;
3946 tree_compare_entry(const struct line *line1, const struct line *line2)
3948 if (line1->type != line2->type)
3949 return line1->type == LINE_TREE_DIR ? -1 : 1;
3950 return strcmp(tree_path(line1), tree_path(line2));
3953 static const enum sort_field tree_sort_fields[] = {
3954 ORDERBY_NAME, ORDERBY_DATE, ORDERBY_AUTHOR
3956 static struct sort_state tree_sort_state = SORT_STATE(tree_sort_fields);
3959 tree_compare(const void *l1, const void *l2)
3961 const struct line *line1 = (const struct line *) l1;
3962 const struct line *line2 = (const struct line *) l2;
3963 const struct tree_entry *entry1 = ((const struct line *) l1)->data;
3964 const struct tree_entry *entry2 = ((const struct line *) l2)->data;
3966 if (line1->type == LINE_TREE_HEAD)
3968 if (line2->type == LINE_TREE_HEAD)
3971 switch (get_sort_field(tree_sort_state)) {
3973 return sort_order(tree_sort_state, entry1->time - entry2->time);
3975 case ORDERBY_AUTHOR:
3976 return sort_order(tree_sort_state, strcmp(entry1->author, entry2->author));
3980 return sort_order(tree_sort_state, tree_compare_entry(line1, line2));
3985 static struct line *
3986 tree_entry(struct view *view, enum line_type type, const char *path,
3987 const char *mode, const char *id)
3989 struct tree_entry *entry = calloc(1, sizeof(*entry) + strlen(path));
3990 struct line *line = entry ? add_line_data(view, entry, type) : NULL;
3992 if (!entry || !line) {
3997 strncpy(entry->name, path, strlen(path));
3999 entry->mode = strtoul(mode, NULL, 8);
4001 string_copy_rev(entry->id, id);
4007 tree_read_date(struct view *view, char *text, bool *read_date)
4009 static const char *author_name;
4010 static time_t author_time;
4012 if (!text && *read_date) {
4017 char *path = *opt_path ? opt_path : ".";
4018 /* Find next entry to process */
4019 const char *log_file[] = {
4020 "git", "log", "--no-color", "--pretty=raw",
4021 "--cc", "--raw", view->id, "--", path, NULL
4026 tree_entry(view, LINE_TREE_HEAD, opt_path, NULL, NULL);
4027 report("Tree is empty");
4031 if (!run_io_rd(&io, log_file, FORMAT_NONE)) {
4032 report("Failed to load tree data");
4036 done_io(view->pipe);
4041 } else if (*text == 'a' && get_line_type(text) == LINE_AUTHOR) {
4042 parse_author_line(text + STRING_SIZE("author "),
4043 &author_name, &author_time);
4045 } else if (*text == ':') {
4047 size_t annotated = 1;
4050 pos = strchr(text, '\t');
4054 if (*opt_prefix && !strncmp(text, opt_prefix, strlen(opt_prefix)))
4055 text += strlen(opt_prefix);
4056 if (*opt_path && !strncmp(text, opt_path, strlen(opt_path)))
4057 text += strlen(opt_path);
4058 pos = strchr(text, '/');
4062 for (i = 1; i < view->lines; i++) {
4063 struct line *line = &view->line[i];
4064 struct tree_entry *entry = line->data;
4066 annotated += !!entry->author;
4067 if (entry->author || strcmp(entry->name, text))
4070 entry->author = author_name;
4071 entry->time = author_time;
4076 if (annotated == view->lines)
4077 kill_io(view->pipe);
4083 tree_read(struct view *view, char *text)
4085 static bool read_date = FALSE;
4086 struct tree_entry *data;
4087 struct line *entry, *line;
4088 enum line_type type;
4089 size_t textlen = text ? strlen(text) : 0;
4090 char *path = text + SIZEOF_TREE_ATTR;
4092 if (read_date || !text)
4093 return tree_read_date(view, text, &read_date);
4095 if (textlen <= SIZEOF_TREE_ATTR)
4097 if (view->lines == 0 &&
4098 !tree_entry(view, LINE_TREE_HEAD, opt_path, NULL, NULL))
4101 /* Strip the path part ... */
4103 size_t pathlen = textlen - SIZEOF_TREE_ATTR;
4104 size_t striplen = strlen(opt_path);
4106 if (pathlen > striplen)
4107 memmove(path, path + striplen,
4108 pathlen - striplen + 1);
4110 /* Insert "link" to parent directory. */
4111 if (view->lines == 1 &&
4112 !tree_entry(view, LINE_TREE_DIR, "..", "040000", view->ref))
4116 type = text[SIZEOF_TREE_MODE] == 't' ? LINE_TREE_DIR : LINE_TREE_FILE;
4117 entry = tree_entry(view, type, path, text, text + TREE_ID_OFFSET);
4122 /* Skip "Directory ..." and ".." line. */
4123 for (line = &view->line[1 + !!*opt_path]; line < entry; line++) {
4124 if (tree_compare_entry(line, entry) <= 0)
4127 memmove(line + 1, line, (entry - line) * sizeof(*entry));
4131 for (; line <= entry; line++)
4132 line->dirty = line->cleareol = 1;
4136 if (tree_lineno > view->lineno) {
4137 view->lineno = tree_lineno;
4145 tree_draw(struct view *view, struct line *line, unsigned int lineno)
4147 struct tree_entry *entry = line->data;
4149 if (line->type == LINE_TREE_HEAD) {
4150 if (draw_text(view, line->type, "Directory path /", TRUE))
4153 if (draw_mode(view, entry->mode))
4156 if (opt_author && draw_author(view, entry->author))
4159 if (opt_date && draw_date(view, entry->author ? &entry->time : NULL))
4162 if (draw_text(view, line->type, entry->name, TRUE))
4170 char file[SIZEOF_STR] = "/tmp/tigblob.XXXXXX";
4171 int fd = mkstemp(file);
4174 report("Failed to create temporary file");
4175 else if (!run_io_append(blob_ops.argv, FORMAT_ALL, fd))
4176 report("Failed to save blob data to file");
4178 open_editor(FALSE, file);
4184 tree_request(struct view *view, enum request request, struct line *line)
4186 enum open_flags flags;
4189 case REQ_VIEW_BLAME:
4190 if (line->type != LINE_TREE_FILE) {
4191 report("Blame only supported for files");
4195 string_copy(opt_ref, view->vid);
4199 if (line->type != LINE_TREE_FILE) {
4200 report("Edit only supported for files");
4201 } else if (!is_head_commit(view->vid)) {
4204 open_editor(TRUE, opt_file);
4208 case REQ_TOGGLE_SORT_FIELD:
4209 case REQ_TOGGLE_SORT_ORDER:
4210 sort_view(view, request, &tree_sort_state, tree_compare);
4215 /* quit view if at top of tree */
4216 return REQ_VIEW_CLOSE;
4219 line = &view->line[1];
4229 /* Cleanup the stack if the tree view is at a different tree. */
4230 while (!*opt_path && tree_stack)
4231 pop_tree_stack_entry();
4233 switch (line->type) {
4235 /* Depending on whether it is a subdirectory or parent link
4236 * mangle the path buffer. */
4237 if (line == &view->line[1] && *opt_path) {
4238 pop_tree_stack_entry();
4241 const char *basename = tree_path(line);
4243 push_tree_stack_entry(basename, view->lineno);
4246 /* Trees and subtrees share the same ID, so they are not not
4247 * unique like blobs. */
4248 flags = OPEN_RELOAD;
4249 request = REQ_VIEW_TREE;
4252 case LINE_TREE_FILE:
4253 flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
4254 request = REQ_VIEW_BLOB;
4261 open_view(view, request, flags);
4262 if (request == REQ_VIEW_TREE)
4263 view->lineno = tree_lineno;
4269 tree_grep(struct view *view, struct line *line)
4271 struct tree_entry *entry = line->data;
4272 const char *text[] = {
4274 opt_author ? entry->author : "",
4275 opt_date ? mkdate(&entry->time) : "",
4279 return grep_text(view, text);
4283 tree_select(struct view *view, struct line *line)
4285 struct tree_entry *entry = line->data;
4287 if (line->type == LINE_TREE_FILE) {
4288 string_copy_rev(ref_blob, entry->id);
4289 string_format(opt_file, "%s%s", opt_path, tree_path(line));
4291 } else if (line->type != LINE_TREE_DIR) {
4295 string_copy_rev(view->ref, entry->id);
4298 static const char *tree_argv[SIZEOF_ARG] = {
4299 "git", "ls-tree", "%(commit)", "%(directory)", NULL
4302 static struct view_ops tree_ops = {
4314 blob_read(struct view *view, char *line)
4318 return add_line_text(view, line, LINE_DEFAULT) != NULL;
4322 blob_request(struct view *view, enum request request, struct line *line)
4329 return pager_request(view, request, line);
4333 static const char *blob_argv[SIZEOF_ARG] = {
4334 "git", "cat-file", "blob", "%(blob)", NULL
4337 static struct view_ops blob_ops = {
4351 * Loading the blame view is a two phase job:
4353 * 1. File content is read either using opt_file from the
4354 * filesystem or using git-cat-file.
4355 * 2. Then blame information is incrementally added by
4356 * reading output from git-blame.
4359 static const char *blame_head_argv[] = {
4360 "git", "blame", "--incremental", "--", "%(file)", NULL
4363 static const char *blame_ref_argv[] = {
4364 "git", "blame", "--incremental", "%(ref)", "--", "%(file)", NULL
4367 static const char *blame_cat_file_argv[] = {
4368 "git", "cat-file", "blob", "%(ref):%(file)", NULL
4371 struct blame_commit {
4372 char id[SIZEOF_REV]; /* SHA1 ID. */
4373 char title[128]; /* First line of the commit message. */
4374 const char *author; /* Author of the commit. */
4375 time_t time; /* Date from the author ident. */
4376 char filename[128]; /* Name of file. */
4377 bool has_previous; /* Was a "previous" line detected. */
4381 struct blame_commit *commit;
4382 unsigned long lineno;
4387 blame_open(struct view *view)
4389 if (*opt_ref || !io_open(&view->io, opt_file)) {
4390 if (!run_io_rd(&view->io, blame_cat_file_argv, FORMAT_ALL))
4394 setup_update(view, opt_file);
4395 string_format(view->ref, "%s ...", opt_file);
4400 static struct blame_commit *
4401 get_blame_commit(struct view *view, const char *id)
4405 for (i = 0; i < view->lines; i++) {
4406 struct blame *blame = view->line[i].data;
4411 if (!strncmp(blame->commit->id, id, SIZEOF_REV - 1))
4412 return blame->commit;
4416 struct blame_commit *commit = calloc(1, sizeof(*commit));
4419 string_ncopy(commit->id, id, SIZEOF_REV);
4425 parse_number(const char **posref, size_t *number, size_t min, size_t max)
4427 const char *pos = *posref;
4430 pos = strchr(pos + 1, ' ');
4431 if (!pos || !isdigit(pos[1]))
4433 *number = atoi(pos + 1);
4434 if (*number < min || *number > max)
4441 static struct blame_commit *
4442 parse_blame_commit(struct view *view, const char *text, int *blamed)
4444 struct blame_commit *commit;
4445 struct blame *blame;
4446 const char *pos = text + SIZEOF_REV - 2;
4447 size_t orig_lineno = 0;
4451 if (strlen(text) <= SIZEOF_REV || pos[1] != ' ')
4454 if (!parse_number(&pos, &orig_lineno, 1, 9999999) ||
4455 !parse_number(&pos, &lineno, 1, view->lines) ||
4456 !parse_number(&pos, &group, 1, view->lines - lineno + 1))
4459 commit = get_blame_commit(view, text);
4465 struct line *line = &view->line[lineno + group - 1];
4468 blame->commit = commit;
4469 blame->lineno = orig_lineno + group - 1;
4477 blame_read_file(struct view *view, const char *line, bool *read_file)
4480 const char **argv = *opt_ref ? blame_ref_argv : blame_head_argv;
4483 if (view->lines == 0 && !view->parent)
4484 die("No blame exist for %s", view->vid);
4486 if (view->lines == 0 || !run_io_rd(&io, argv, FORMAT_ALL)) {
4487 report("Failed to load blame data");
4491 done_io(view->pipe);
4497 size_t linelen = strlen(line);
4498 struct blame *blame = malloc(sizeof(*blame) + linelen);
4503 blame->commit = NULL;
4504 strncpy(blame->text, line, linelen);
4505 blame->text[linelen] = 0;
4506 return add_line_data(view, blame, LINE_BLAME_ID) != NULL;
4511 match_blame_header(const char *name, char **line)
4513 size_t namelen = strlen(name);
4514 bool matched = !strncmp(name, *line, namelen);
4523 blame_read(struct view *view, char *line)
4525 static struct blame_commit *commit = NULL;
4526 static int blamed = 0;
4527 static bool read_file = TRUE;
4530 return blame_read_file(view, line, &read_file);
4537 string_format(view->ref, "%s", view->vid);
4538 if (view_is_displayed(view)) {
4539 update_view_title(view);
4540 redraw_view_from(view, 0);
4546 commit = parse_blame_commit(view, line, &blamed);
4547 string_format(view->ref, "%s %2d%%", view->vid,
4548 view->lines ? blamed * 100 / view->lines : 0);
4550 } else if (match_blame_header("author ", &line)) {
4551 commit->author = get_author(line);
4553 } else if (match_blame_header("author-time ", &line)) {
4554 commit->time = (time_t) atol(line);
4556 } else if (match_blame_header("author-tz ", &line)) {
4557 parse_timezone(&commit->time, line);
4559 } else if (match_blame_header("summary ", &line)) {
4560 string_ncopy(commit->title, line, strlen(line));
4562 } else if (match_blame_header("previous ", &line)) {
4563 commit->has_previous = TRUE;
4565 } else if (match_blame_header("filename ", &line)) {
4566 string_ncopy(commit->filename, line, strlen(line));
4574 blame_draw(struct view *view, struct line *line, unsigned int lineno)
4576 struct blame *blame = line->data;
4577 time_t *time = NULL;
4578 const char *id = NULL, *author = NULL;
4579 char text[SIZEOF_STR];
4581 if (blame->commit && *blame->commit->filename) {
4582 id = blame->commit->id;
4583 author = blame->commit->author;
4584 time = &blame->commit->time;
4587 if (opt_date && draw_date(view, time))
4590 if (opt_author && draw_author(view, author))
4593 if (draw_field(view, LINE_BLAME_ID, id, ID_COLS, FALSE))
4596 if (draw_lineno(view, lineno))
4599 string_expand(text, sizeof(text), blame->text, opt_tab_size);
4600 draw_text(view, LINE_DEFAULT, text, TRUE);
4605 check_blame_commit(struct blame *blame, bool check_null_id)
4608 report("Commit data not loaded yet");
4609 else if (check_null_id && !strcmp(blame->commit->id, NULL_ID))
4610 report("No commit exist for the selected line");
4617 setup_blame_parent_line(struct view *view, struct blame *blame)
4619 const char *diff_tree_argv[] = {
4620 "git", "diff-tree", "-U0", blame->commit->id,
4621 "--", blame->commit->filename, NULL
4624 int parent_lineno = -1;
4625 int blamed_lineno = -1;
4628 if (!run_io(&io, diff_tree_argv, NULL, IO_RD))
4631 while ((line = io_get(&io, '\n', TRUE))) {
4633 char *pos = strchr(line, '+');
4635 parent_lineno = atoi(line + 4);
4637 blamed_lineno = atoi(pos + 1);
4639 } else if (*line == '+' && parent_lineno != -1) {
4640 if (blame->lineno == blamed_lineno - 1 &&
4641 !strcmp(blame->text, line + 1)) {
4642 view->lineno = parent_lineno ? parent_lineno - 1 : 0;
4653 blame_request(struct view *view, enum request request, struct line *line)
4655 enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
4656 struct blame *blame = line->data;
4659 case REQ_VIEW_BLAME:
4660 if (check_blame_commit(blame, TRUE)) {
4661 string_copy(opt_ref, blame->commit->id);
4662 string_copy(opt_file, blame->commit->filename);
4664 view->lineno = blame->lineno;
4665 open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
4670 if (check_blame_commit(blame, TRUE) &&
4671 select_commit_parent(blame->commit->id, opt_ref,
4672 blame->commit->filename)) {
4673 string_copy(opt_file, blame->commit->filename);
4674 setup_blame_parent_line(view, blame);
4675 open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
4680 if (!check_blame_commit(blame, FALSE))
4683 if (view_is_displayed(VIEW(REQ_VIEW_DIFF)) &&
4684 !strcmp(blame->commit->id, VIEW(REQ_VIEW_DIFF)->ref))
4687 if (!strcmp(blame->commit->id, NULL_ID)) {
4688 struct view *diff = VIEW(REQ_VIEW_DIFF);
4689 const char *diff_index_argv[] = {
4690 "git", "diff-index", "--root", "--patch-with-stat",
4691 "-C", "-M", "HEAD", "--", view->vid, NULL
4694 if (!blame->commit->has_previous) {
4695 diff_index_argv[1] = "diff";
4696 diff_index_argv[2] = "--no-color";
4697 diff_index_argv[6] = "--";
4698 diff_index_argv[7] = "/dev/null";
4701 if (!prepare_update(diff, diff_index_argv, NULL, FORMAT_DASH)) {
4702 report("Failed to allocate diff command");
4705 flags |= OPEN_PREPARED;
4708 open_view(view, REQ_VIEW_DIFF, flags);
4709 if (VIEW(REQ_VIEW_DIFF)->pipe && !strcmp(blame->commit->id, NULL_ID))
4710 string_copy_rev(VIEW(REQ_VIEW_DIFF)->ref, NULL_ID);
4721 blame_grep(struct view *view, struct line *line)
4723 struct blame *blame = line->data;
4724 struct blame_commit *commit = blame->commit;
4725 const char *text[] = {
4727 commit ? commit->title : "",
4728 commit ? commit->id : "",
4729 commit && opt_author ? commit->author : "",
4730 commit && opt_date ? mkdate(&commit->time) : "",
4734 return grep_text(view, text);
4738 blame_select(struct view *view, struct line *line)
4740 struct blame *blame = line->data;
4741 struct blame_commit *commit = blame->commit;
4746 if (!strcmp(commit->id, NULL_ID))
4747 string_ncopy(ref_commit, "HEAD", 4);
4749 string_copy_rev(ref_commit, commit->id);
4752 static struct view_ops blame_ops = {
4768 const char *author; /* Author of the last commit. */
4769 time_t time; /* Date of the last activity. */
4770 struct ref *ref; /* Name and commit ID information. */
4773 static const enum sort_field branch_sort_fields[] = {
4774 ORDERBY_NAME, ORDERBY_DATE, ORDERBY_AUTHOR
4776 static struct sort_state branch_sort_state = SORT_STATE(branch_sort_fields);
4779 branch_compare(const void *l1, const void *l2)
4781 const struct branch *branch1 = ((const struct line *) l1)->data;
4782 const struct branch *branch2 = ((const struct line *) l2)->data;
4784 switch (get_sort_field(branch_sort_state)) {
4786 return sort_order(branch_sort_state, branch1->time - branch2->time);
4788 case ORDERBY_AUTHOR:
4789 return sort_order(branch_sort_state, strcmp(branch1->author, branch2->author));
4793 return sort_order(branch_sort_state, strcmp(branch1->ref->name, branch2->ref->name));
4798 branch_draw(struct view *view, struct line *line, unsigned int lineno)
4800 struct branch *branch = line->data;
4801 enum line_type type = branch->ref->head ? LINE_MAIN_HEAD : LINE_DEFAULT;
4803 if (opt_date && draw_date(view, branch->author ? &branch->time : NULL))
4806 if (opt_author && draw_author(view, branch->author))
4809 draw_text(view, type, branch->ref->name, TRUE);
4814 branch_request(struct view *view, enum request request, struct line *line)
4819 open_view(view, REQ_VIEW_BRANCH, OPEN_REFRESH);
4822 case REQ_TOGGLE_SORT_FIELD:
4823 case REQ_TOGGLE_SORT_ORDER:
4824 sort_view(view, request, &branch_sort_state, branch_compare);
4828 open_view(view, REQ_VIEW_MAIN, OPEN_SPLIT);
4837 branch_read(struct view *view, char *line)
4839 static char id[SIZEOF_REV];
4840 struct branch *reference;
4846 switch (get_line_type(line)) {
4848 string_copy_rev(id, line + STRING_SIZE("commit "));
4852 for (i = 0, reference = NULL; i < view->lines; i++) {
4853 struct branch *branch = view->line[i].data;
4855 if (strcmp(branch->ref->id, id))
4858 view->line[i].dirty = TRUE;
4860 branch->author = reference->author;
4861 branch->time = reference->time;
4865 parse_author_line(line + STRING_SIZE("author "),
4866 &branch->author, &branch->time);
4878 branch_open_visitor(void *data, struct ref *ref)
4880 struct view *view = data;
4881 struct branch *branch;
4883 if (ref->tag || ref->ltag || ref->remote)
4886 branch = calloc(1, sizeof(*branch));
4891 return !!add_line_data(view, branch, LINE_DEFAULT);
4895 branch_open(struct view *view)
4897 const char *branch_log[] = {
4898 "git", "log", "--no-color", "--pretty=raw",
4899 "--simplify-by-decoration", "--all", NULL
4902 if (!run_io_rd(&view->io, branch_log, FORMAT_NONE)) {
4903 report("Failed to load branch data");
4907 setup_update(view, view->id);
4908 foreach_ref(branch_open_visitor, view);
4909 view->p_restore = TRUE;
4915 branch_grep(struct view *view, struct line *line)
4917 struct branch *branch = line->data;
4918 const char *text[] = {
4924 return grep_text(view, text);
4928 branch_select(struct view *view, struct line *line)
4930 struct branch *branch = line->data;
4932 string_copy_rev(view->ref, branch->ref->id);
4933 string_copy_rev(ref_commit, branch->ref->id);
4934 string_copy_rev(ref_head, branch->ref->id);
4937 static struct view_ops branch_ops = {
4956 char rev[SIZEOF_REV];
4957 char name[SIZEOF_STR];
4961 char rev[SIZEOF_REV];
4962 char name[SIZEOF_STR];
4966 static char status_onbranch[SIZEOF_STR];
4967 static struct status stage_status;
4968 static enum line_type stage_line_type;
4969 static size_t stage_chunks;
4970 static int *stage_chunk;
4972 DEFINE_ALLOCATOR(realloc_ints, int, 32)
4974 /* This should work even for the "On branch" line. */
4976 status_has_none(struct view *view, struct line *line)
4978 return line < view->line + view->lines && !line[1].data;
4981 /* Get fields from the diff line:
4982 * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
4985 status_get_diff(struct status *file, const char *buf, size_t bufsize)
4987 const char *old_mode = buf + 1;
4988 const char *new_mode = buf + 8;
4989 const char *old_rev = buf + 15;
4990 const char *new_rev = buf + 56;
4991 const char *status = buf + 97;
4994 old_mode[-1] != ':' ||
4995 new_mode[-1] != ' ' ||
4996 old_rev[-1] != ' ' ||
4997 new_rev[-1] != ' ' ||
5001 file->status = *status;
5003 string_copy_rev(file->old.rev, old_rev);
5004 string_copy_rev(file->new.rev, new_rev);
5006 file->old.mode = strtoul(old_mode, NULL, 8);
5007 file->new.mode = strtoul(new_mode, NULL, 8);
5009 file->old.name[0] = file->new.name[0] = 0;
5015 status_run(struct view *view, const char *argv[], char status, enum line_type type)
5017 struct status *unmerged = NULL;
5021 if (!run_io(&io, argv, NULL, IO_RD))
5024 add_line_data(view, NULL, type);
5026 while ((buf = io_get(&io, 0, TRUE))) {
5027 struct status *file = unmerged;
5030 file = calloc(1, sizeof(*file));
5031 if (!file || !add_line_data(view, file, type))
5035 /* Parse diff info part. */
5037 file->status = status;
5039 string_copy(file->old.rev, NULL_ID);
5041 } else if (!file->status || file == unmerged) {
5042 if (!status_get_diff(file, buf, strlen(buf)))
5045 buf = io_get(&io, 0, TRUE);
5049 /* Collapse all modified entries that follow an
5050 * associated unmerged entry. */
5051 if (unmerged == file) {
5052 unmerged->status = 'U';
5054 } else if (file->status == 'U') {
5059 /* Grab the old name for rename/copy. */
5060 if (!*file->old.name &&
5061 (file->status == 'R' || file->status == 'C')) {
5062 string_ncopy(file->old.name, buf, strlen(buf));
5064 buf = io_get(&io, 0, TRUE);
5069 /* git-ls-files just delivers a NUL separated list of
5070 * file names similar to the second half of the
5071 * git-diff-* output. */
5072 string_ncopy(file->new.name, buf, strlen(buf));
5073 if (!*file->old.name)
5074 string_copy(file->old.name, file->new.name);
5078 if (io_error(&io)) {
5084 if (!view->line[view->lines - 1].data)
5085 add_line_data(view, NULL, LINE_STAT_NONE);
5091 /* Don't show unmerged entries in the staged section. */
5092 static const char *status_diff_index_argv[] = {
5093 "git", "diff-index", "-z", "--diff-filter=ACDMRTXB",
5094 "--cached", "-M", "HEAD", NULL
5097 static const char *status_diff_files_argv[] = {
5098 "git", "diff-files", "-z", NULL
5101 static const char *status_list_other_argv[] = {
5102 "git", "ls-files", "-z", "--others", "--exclude-standard", NULL
5105 static const char *status_list_no_head_argv[] = {
5106 "git", "ls-files", "-z", "--cached", "--exclude-standard", NULL
5109 static const char *update_index_argv[] = {
5110 "git", "update-index", "-q", "--unmerged", "--refresh", NULL
5113 /* Restore the previous line number to stay in the context or select a
5114 * line with something that can be updated. */
5116 status_restore(struct view *view)
5118 if (view->p_lineno >= view->lines)
5119 view->p_lineno = view->lines - 1;
5120 while (view->p_lineno < view->lines && !view->line[view->p_lineno].data)
5122 while (view->p_lineno > 0 && !view->line[view->p_lineno].data)
5125 /* If the above fails, always skip the "On branch" line. */
5126 if (view->p_lineno < view->lines)
5127 view->lineno = view->p_lineno;
5131 if (view->lineno < view->offset)
5132 view->offset = view->lineno;
5133 else if (view->offset + view->height <= view->lineno)
5134 view->offset = view->lineno - view->height + 1;
5136 view->p_restore = FALSE;
5140 status_update_onbranch(void)
5142 static const char *paths[][2] = {
5143 { "rebase-apply/rebasing", "Rebasing" },
5144 { "rebase-apply/applying", "Applying mailbox" },
5145 { "rebase-apply/", "Rebasing mailbox" },
5146 { "rebase-merge/interactive", "Interactive rebase" },
5147 { "rebase-merge/", "Rebase merge" },
5148 { "MERGE_HEAD", "Merging" },
5149 { "BISECT_LOG", "Bisecting" },
5150 { "HEAD", "On branch" },
5152 char buf[SIZEOF_STR];
5156 if (is_initial_commit()) {
5157 string_copy(status_onbranch, "Initial commit");
5161 for (i = 0; i < ARRAY_SIZE(paths); i++) {
5162 char *head = opt_head;
5164 if (!string_format(buf, "%s/%s", opt_git_dir, paths[i][0]) ||
5165 lstat(buf, &stat) < 0)
5171 if (string_format(buf, "%s/rebase-merge/head-name", opt_git_dir) &&
5172 io_open(&io, buf) &&
5173 io_read_buf(&io, buf, sizeof(buf))) {
5175 if (!prefixcmp(head, "refs/heads/"))
5176 head += STRING_SIZE("refs/heads/");
5180 if (!string_format(status_onbranch, "%s %s", paths[i][1], head))
5181 string_copy(status_onbranch, opt_head);
5185 string_copy(status_onbranch, "Not currently on any branch");
5188 /* First parse staged info using git-diff-index(1), then parse unstaged
5189 * info using git-diff-files(1), and finally untracked files using
5190 * git-ls-files(1). */
5192 status_open(struct view *view)
5196 add_line_data(view, NULL, LINE_STAT_HEAD);
5197 status_update_onbranch();
5199 run_io_bg(update_index_argv);
5201 if (is_initial_commit()) {
5202 if (!status_run(view, status_list_no_head_argv, 'A', LINE_STAT_STAGED))
5204 } else if (!status_run(view, status_diff_index_argv, 0, LINE_STAT_STAGED)) {
5208 if (!status_run(view, status_diff_files_argv, 0, LINE_STAT_UNSTAGED) ||
5209 !status_run(view, status_list_other_argv, '?', LINE_STAT_UNTRACKED))
5212 /* Restore the exact position or use the specialized restore
5214 if (!view->p_restore)
5215 status_restore(view);
5220 status_draw(struct view *view, struct line *line, unsigned int lineno)
5222 struct status *status = line->data;
5223 enum line_type type;
5227 switch (line->type) {
5228 case LINE_STAT_STAGED:
5229 type = LINE_STAT_SECTION;
5230 text = "Changes to be committed:";
5233 case LINE_STAT_UNSTAGED:
5234 type = LINE_STAT_SECTION;
5235 text = "Changed but not updated:";
5238 case LINE_STAT_UNTRACKED:
5239 type = LINE_STAT_SECTION;
5240 text = "Untracked files:";
5243 case LINE_STAT_NONE:
5244 type = LINE_DEFAULT;
5245 text = " (no files)";
5248 case LINE_STAT_HEAD:
5249 type = LINE_STAT_HEAD;
5250 text = status_onbranch;
5257 static char buf[] = { '?', ' ', ' ', ' ', 0 };
5259 buf[0] = status->status;
5260 if (draw_text(view, line->type, buf, TRUE))
5262 type = LINE_DEFAULT;
5263 text = status->new.name;
5266 draw_text(view, type, text, TRUE);
5271 status_load_error(struct view *view, struct view *stage, const char *path)
5273 if (displayed_views() == 2 || display[current_view] != view)
5274 maximize_view(view);
5275 report("Failed to load '%s': %s", path, io_strerror(&stage->io));
5280 status_enter(struct view *view, struct line *line)
5282 struct status *status = line->data;
5283 const char *oldpath = status ? status->old.name : NULL;
5284 /* Diffs for unmerged entries are empty when passing the new
5285 * path, so leave it empty. */
5286 const char *newpath = status && status->status != 'U' ? status->new.name : NULL;
5288 enum open_flags split;
5289 struct view *stage = VIEW(REQ_VIEW_STAGE);
5291 if (line->type == LINE_STAT_NONE ||
5292 (!status && line[1].type == LINE_STAT_NONE)) {
5293 report("No file to diff");
5297 switch (line->type) {
5298 case LINE_STAT_STAGED:
5299 if (is_initial_commit()) {
5300 const char *no_head_diff_argv[] = {
5301 "git", "diff", "--no-color", "--patch-with-stat",
5302 "--", "/dev/null", newpath, NULL
5305 if (!prepare_update(stage, no_head_diff_argv, opt_cdup, FORMAT_DASH))
5306 return status_load_error(view, stage, newpath);
5308 const char *index_show_argv[] = {
5309 "git", "diff-index", "--root", "--patch-with-stat",
5310 "-C", "-M", "--cached", "HEAD", "--",
5311 oldpath, newpath, NULL
5314 if (!prepare_update(stage, index_show_argv, opt_cdup, FORMAT_DASH))
5315 return status_load_error(view, stage, newpath);
5319 info = "Staged changes to %s";
5321 info = "Staged changes";
5324 case LINE_STAT_UNSTAGED:
5326 const char *files_show_argv[] = {
5327 "git", "diff-files", "--root", "--patch-with-stat",
5328 "-C", "-M", "--", oldpath, newpath, NULL
5331 if (!prepare_update(stage, files_show_argv, opt_cdup, FORMAT_DASH))
5332 return status_load_error(view, stage, newpath);
5334 info = "Unstaged changes to %s";
5336 info = "Unstaged changes";
5339 case LINE_STAT_UNTRACKED:
5341 report("No file to show");
5345 if (!suffixcmp(status->new.name, -1, "/")) {
5346 report("Cannot display a directory");
5350 if (!prepare_update_file(stage, newpath))
5351 return status_load_error(view, stage, newpath);
5352 info = "Untracked file %s";
5355 case LINE_STAT_HEAD:
5359 die("line type %d not handled in switch", line->type);
5362 split = view_is_displayed(view) ? OPEN_SPLIT : 0;
5363 open_view(view, REQ_VIEW_STAGE, OPEN_PREPARED | split);
5364 if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
5366 stage_status = *status;
5368 memset(&stage_status, 0, sizeof(stage_status));
5371 stage_line_type = line->type;
5373 string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name);
5380 status_exists(struct status *status, enum line_type type)
5382 struct view *view = VIEW(REQ_VIEW_STATUS);
5383 unsigned long lineno;
5385 for (lineno = 0; lineno < view->lines; lineno++) {
5386 struct line *line = &view->line[lineno];
5387 struct status *pos = line->data;
5389 if (line->type != type)
5391 if (!pos && (!status || !status->status) && line[1].data) {
5392 select_view_line(view, lineno);
5395 if (pos && !strcmp(status->new.name, pos->new.name)) {
5396 select_view_line(view, lineno);
5406 status_update_prepare(struct io *io, enum line_type type)
5408 const char *staged_argv[] = {
5409 "git", "update-index", "-z", "--index-info", NULL
5411 const char *others_argv[] = {
5412 "git", "update-index", "-z", "--add", "--remove", "--stdin", NULL
5416 case LINE_STAT_STAGED:
5417 return run_io(io, staged_argv, opt_cdup, IO_WR);
5419 case LINE_STAT_UNSTAGED:
5420 return run_io(io, others_argv, opt_cdup, IO_WR);
5422 case LINE_STAT_UNTRACKED:
5423 return run_io(io, others_argv, NULL, IO_WR);
5426 die("line type %d not handled in switch", type);
5432 status_update_write(struct io *io, struct status *status, enum line_type type)
5434 char buf[SIZEOF_STR];
5438 case LINE_STAT_STAGED:
5439 if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c",
5442 status->old.name, 0))
5446 case LINE_STAT_UNSTAGED:
5447 case LINE_STAT_UNTRACKED:
5448 if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0))
5453 die("line type %d not handled in switch", type);
5456 return io_write(io, buf, bufsize);
5460 status_update_file(struct status *status, enum line_type type)
5465 if (!status_update_prepare(&io, type))
5468 result = status_update_write(&io, status, type);
5469 return done_io(&io) && result;
5473 status_update_files(struct view *view, struct line *line)
5475 char buf[sizeof(view->ref)];
5478 struct line *pos = view->line + view->lines;
5481 int cursor_y, cursor_x;
5483 if (!status_update_prepare(&io, line->type))
5486 for (pos = line; pos < view->line + view->lines && pos->data; pos++)
5489 string_copy(buf, view->ref);
5490 getsyx(cursor_y, cursor_x);
5491 for (file = 0, done = 5; result && file < files; line++, file++) {
5492 int almost_done = file * 100 / files;
5494 if (almost_done > done) {
5496 string_format(view->ref, "updating file %u of %u (%d%% done)",
5498 update_view_title(view);
5499 setsyx(cursor_y, cursor_x);
5502 result = status_update_write(&io, line->data, line->type);
5504 string_copy(view->ref, buf);
5506 return done_io(&io) && result;
5510 status_update(struct view *view)
5512 struct line *line = &view->line[view->lineno];
5514 assert(view->lines);
5517 /* This should work even for the "On branch" line. */
5518 if (line < view->line + view->lines && !line[1].data) {
5519 report("Nothing to update");
5523 if (!status_update_files(view, line + 1)) {
5524 report("Failed to update file status");
5528 } else if (!status_update_file(line->data, line->type)) {
5529 report("Failed to update file status");
5537 status_revert(struct status *status, enum line_type type, bool has_none)
5539 if (!status || type != LINE_STAT_UNSTAGED) {
5540 if (type == LINE_STAT_STAGED) {
5541 report("Cannot revert changes to staged files");
5542 } else if (type == LINE_STAT_UNTRACKED) {
5543 report("Cannot revert changes to untracked files");
5544 } else if (has_none) {
5545 report("Nothing to revert");
5547 report("Cannot revert changes to multiple files");
5552 char mode[10] = "100644";
5553 const char *reset_argv[] = {
5554 "git", "update-index", "--cacheinfo", mode,
5555 status->old.rev, status->old.name, NULL
5557 const char *checkout_argv[] = {
5558 "git", "checkout", "--", status->old.name, NULL
5561 if (!prompt_yesno("Are you sure you want to overwrite any changes?"))
5563 string_format(mode, "%o", status->old.mode);
5564 return (status->status != 'U' || run_io_fg(reset_argv, opt_cdup)) &&
5565 run_io_fg(checkout_argv, opt_cdup);
5570 status_request(struct view *view, enum request request, struct line *line)
5572 struct status *status = line->data;
5575 case REQ_STATUS_UPDATE:
5576 if (!status_update(view))
5580 case REQ_STATUS_REVERT:
5581 if (!status_revert(status, line->type, status_has_none(view, line)))
5585 case REQ_STATUS_MERGE:
5586 if (!status || status->status != 'U') {
5587 report("Merging only possible for files with unmerged status ('U').");
5590 open_mergetool(status->new.name);
5596 if (status->status == 'D') {
5597 report("File has been deleted.");
5601 open_editor(status->status != '?', status->new.name);
5604 case REQ_VIEW_BLAME:
5606 string_copy(opt_file, status->new.name);
5612 /* After returning the status view has been split to
5613 * show the stage view. No further reloading is
5615 return status_enter(view, line);
5618 /* Simply reload the view. */
5625 open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
5631 status_select(struct view *view, struct line *line)
5633 struct status *status = line->data;
5634 char file[SIZEOF_STR] = "all files";
5638 if (status && !string_format(file, "'%s'", status->new.name))
5641 if (!status && line[1].type == LINE_STAT_NONE)
5644 switch (line->type) {
5645 case LINE_STAT_STAGED:
5646 text = "Press %s to unstage %s for commit";
5649 case LINE_STAT_UNSTAGED:
5650 text = "Press %s to stage %s for commit";
5653 case LINE_STAT_UNTRACKED:
5654 text = "Press %s to stage %s for addition";
5657 case LINE_STAT_HEAD:
5658 case LINE_STAT_NONE:
5659 text = "Nothing to update";
5663 die("line type %d not handled in switch", line->type);
5666 if (status && status->status == 'U') {
5667 text = "Press %s to resolve conflict in %s";
5668 key = get_key(REQ_STATUS_MERGE);
5671 key = get_key(REQ_STATUS_UPDATE);
5674 string_format(view->ref, text, key, file);
5678 status_grep(struct view *view, struct line *line)
5680 struct status *status = line->data;
5683 const char buf[2] = { status->status, 0 };
5684 const char *text[] = { status->new.name, buf, NULL };
5686 return grep_text(view, text);
5692 static struct view_ops status_ops = {
5705 stage_diff_write(struct io *io, struct line *line, struct line *end)
5707 while (line < end) {
5708 if (!io_write(io, line->data, strlen(line->data)) ||
5709 !io_write(io, "\n", 1))
5712 if (line->type == LINE_DIFF_CHUNK ||
5713 line->type == LINE_DIFF_HEADER)
5720 static struct line *
5721 stage_diff_find(struct view *view, struct line *line, enum line_type type)
5723 for (; view->line < line; line--)
5724 if (line->type == type)
5731 stage_apply_chunk(struct view *view, struct line *chunk, bool revert)
5733 const char *apply_argv[SIZEOF_ARG] = {
5734 "git", "apply", "--whitespace=nowarn", NULL
5736 struct line *diff_hdr;
5740 diff_hdr = stage_diff_find(view, chunk, LINE_DIFF_HEADER);
5745 apply_argv[argc++] = "--cached";
5746 if (revert || stage_line_type == LINE_STAT_STAGED)
5747 apply_argv[argc++] = "-R";
5748 apply_argv[argc++] = "-";
5749 apply_argv[argc++] = NULL;
5750 if (!run_io(&io, apply_argv, opt_cdup, IO_WR))
5753 if (!stage_diff_write(&io, diff_hdr, chunk) ||
5754 !stage_diff_write(&io, chunk, view->line + view->lines))
5758 run_io_bg(update_index_argv);
5760 return chunk ? TRUE : FALSE;
5764 stage_update(struct view *view, struct line *line)
5766 struct line *chunk = NULL;
5768 if (!is_initial_commit() && stage_line_type != LINE_STAT_UNTRACKED)
5769 chunk = stage_diff_find(view, line, LINE_DIFF_CHUNK);
5772 if (!stage_apply_chunk(view, chunk, FALSE)) {
5773 report("Failed to apply chunk");
5777 } else if (!stage_status.status) {
5778 view = VIEW(REQ_VIEW_STATUS);
5780 for (line = view->line; line < view->line + view->lines; line++)
5781 if (line->type == stage_line_type)
5784 if (!status_update_files(view, line + 1)) {
5785 report("Failed to update files");
5789 } else if (!status_update_file(&stage_status, stage_line_type)) {
5790 report("Failed to update file");
5798 stage_revert(struct view *view, struct line *line)
5800 struct line *chunk = NULL;
5802 if (!is_initial_commit() && stage_line_type == LINE_STAT_UNSTAGED)
5803 chunk = stage_diff_find(view, line, LINE_DIFF_CHUNK);
5806 if (!prompt_yesno("Are you sure you want to revert changes?"))
5809 if (!stage_apply_chunk(view, chunk, TRUE)) {
5810 report("Failed to revert chunk");
5816 return status_revert(stage_status.status ? &stage_status : NULL,
5817 stage_line_type, FALSE);
5823 stage_next(struct view *view, struct line *line)
5827 if (!stage_chunks) {
5828 for (line = view->line; line < view->line + view->lines; line++) {
5829 if (line->type != LINE_DIFF_CHUNK)
5832 if (!realloc_ints(&stage_chunk, stage_chunks, 1)) {
5833 report("Allocation failure");
5837 stage_chunk[stage_chunks++] = line - view->line;
5841 for (i = 0; i < stage_chunks; i++) {
5842 if (stage_chunk[i] > view->lineno) {
5843 do_scroll_view(view, stage_chunk[i] - view->lineno);
5844 report("Chunk %d of %d", i + 1, stage_chunks);
5849 report("No next chunk found");
5853 stage_request(struct view *view, enum request request, struct line *line)
5856 case REQ_STATUS_UPDATE:
5857 if (!stage_update(view, line))
5861 case REQ_STATUS_REVERT:
5862 if (!stage_revert(view, line))
5866 case REQ_STAGE_NEXT:
5867 if (stage_line_type == LINE_STAT_UNTRACKED) {
5868 report("File is untracked; press %s to add",
5869 get_key(REQ_STATUS_UPDATE));
5872 stage_next(view, line);
5876 if (!stage_status.new.name[0])
5878 if (stage_status.status == 'D') {
5879 report("File has been deleted.");
5883 open_editor(stage_status.status != '?', stage_status.new.name);
5887 /* Reload everything ... */
5890 case REQ_VIEW_BLAME:
5891 if (stage_status.new.name[0]) {
5892 string_copy(opt_file, stage_status.new.name);
5898 return pager_request(view, request, line);
5904 VIEW(REQ_VIEW_STATUS)->p_restore = TRUE;
5905 open_view(view, REQ_VIEW_STATUS, OPEN_REFRESH);
5907 /* Check whether the staged entry still exists, and close the
5908 * stage view if it doesn't. */
5909 if (!status_exists(&stage_status, stage_line_type)) {
5910 status_restore(VIEW(REQ_VIEW_STATUS));
5911 return REQ_VIEW_CLOSE;
5914 if (stage_line_type == LINE_STAT_UNTRACKED) {
5915 if (!suffixcmp(stage_status.new.name, -1, "/")) {
5916 report("Cannot display a directory");
5920 if (!prepare_update_file(view, stage_status.new.name)) {
5921 report("Failed to open file: %s", strerror(errno));
5925 open_view(view, REQ_VIEW_STAGE, OPEN_REFRESH);
5930 static struct view_ops stage_ops = {
5947 char id[SIZEOF_REV]; /* SHA1 ID. */
5948 char title[128]; /* First line of the commit message. */
5949 const char *author; /* Author of the commit. */
5950 time_t time; /* Date from the author ident. */
5951 struct ref_list *refs; /* Repository references. */
5952 chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */
5953 size_t graph_size; /* The width of the graph array. */
5954 bool has_parents; /* Rewritten --parents seen. */
5957 /* Size of rev graph with no "padding" columns */
5958 #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2))
5961 struct rev_graph *prev, *next, *parents;
5962 char rev[SIZEOF_REVITEMS][SIZEOF_REV];
5964 struct commit *commit;
5966 unsigned int boundary:1;
5969 /* Parents of the commit being visualized. */
5970 static struct rev_graph graph_parents[4];
5972 /* The current stack of revisions on the graph. */
5973 static struct rev_graph graph_stacks[4] = {
5974 { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] },
5975 { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] },
5976 { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] },
5977 { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] },
5981 graph_parent_is_merge(struct rev_graph *graph)
5983 return graph->parents->size > 1;
5987 append_to_rev_graph(struct rev_graph *graph, chtype symbol)
5989 struct commit *commit = graph->commit;
5991 if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1)
5992 commit->graph[commit->graph_size++] = symbol;
5996 clear_rev_graph(struct rev_graph *graph)
5998 graph->boundary = 0;
5999 graph->size = graph->pos = 0;
6000 graph->commit = NULL;
6001 memset(graph->parents, 0, sizeof(*graph->parents));
6005 done_rev_graph(struct rev_graph *graph)
6007 if (graph_parent_is_merge(graph) &&
6008 graph->pos < graph->size - 1 &&
6009 graph->next->size == graph->size + graph->parents->size - 1) {
6010 size_t i = graph->pos + graph->parents->size - 1;
6012 graph->commit->graph_size = i * 2;
6013 while (i < graph->next->size - 1) {
6014 append_to_rev_graph(graph, ' ');
6015 append_to_rev_graph(graph, '\\');
6020 clear_rev_graph(graph);
6024 push_rev_graph(struct rev_graph *graph, const char *parent)
6028 /* "Collapse" duplicate parents lines.
6030 * FIXME: This needs to also update update the drawn graph but
6031 * for now it just serves as a method for pruning graph lines. */
6032 for (i = 0; i < graph->size; i++)
6033 if (!strncmp(graph->rev[i], parent, SIZEOF_REV))
6036 if (graph->size < SIZEOF_REVITEMS) {
6037 string_copy_rev(graph->rev[graph->size++], parent);
6042 get_rev_graph_symbol(struct rev_graph *graph)
6046 if (graph->boundary)
6047 symbol = REVGRAPH_BOUND;
6048 else if (graph->parents->size == 0)
6049 symbol = REVGRAPH_INIT;
6050 else if (graph_parent_is_merge(graph))
6051 symbol = REVGRAPH_MERGE;
6052 else if (graph->pos >= graph->size)
6053 symbol = REVGRAPH_BRANCH;
6055 symbol = REVGRAPH_COMMIT;
6061 draw_rev_graph(struct rev_graph *graph)
6064 chtype separator, line;
6066 enum { DEFAULT, RSHARP, RDIAG, LDIAG };
6067 static struct rev_filler fillers[] = {
6073 chtype symbol = get_rev_graph_symbol(graph);
6074 struct rev_filler *filler;
6077 if (opt_line_graphics)
6078 fillers[DEFAULT].line = line_graphics[LINE_GRAPHIC_VLINE];
6080 filler = &fillers[DEFAULT];
6082 for (i = 0; i < graph->pos; i++) {
6083 append_to_rev_graph(graph, filler->line);
6084 if (graph_parent_is_merge(graph->prev) &&
6085 graph->prev->pos == i)
6086 filler = &fillers[RSHARP];
6088 append_to_rev_graph(graph, filler->separator);
6091 /* Place the symbol for this revision. */
6092 append_to_rev_graph(graph, symbol);
6094 if (graph->prev->size > graph->size)
6095 filler = &fillers[RDIAG];
6097 filler = &fillers[DEFAULT];
6101 for (; i < graph->size; i++) {
6102 append_to_rev_graph(graph, filler->separator);
6103 append_to_rev_graph(graph, filler->line);
6104 if (graph_parent_is_merge(graph->prev) &&
6105 i < graph->prev->pos + graph->parents->size)
6106 filler = &fillers[RSHARP];
6107 if (graph->prev->size > graph->size)
6108 filler = &fillers[LDIAG];
6111 if (graph->prev->size > graph->size) {
6112 append_to_rev_graph(graph, filler->separator);
6113 if (filler->line != ' ')
6114 append_to_rev_graph(graph, filler->line);
6118 /* Prepare the next rev graph */
6120 prepare_rev_graph(struct rev_graph *graph)
6124 /* First, traverse all lines of revisions up to the active one. */
6125 for (graph->pos = 0; graph->pos < graph->size; graph->pos++) {
6126 if (!strcmp(graph->rev[graph->pos], graph->commit->id))
6129 push_rev_graph(graph->next, graph->rev[graph->pos]);
6132 /* Interleave the new revision parent(s). */
6133 for (i = 0; !graph->boundary && i < graph->parents->size; i++)
6134 push_rev_graph(graph->next, graph->parents->rev[i]);
6136 /* Lastly, put any remaining revisions. */
6137 for (i = graph->pos + 1; i < graph->size; i++)
6138 push_rev_graph(graph->next, graph->rev[i]);
6142 update_rev_graph(struct view *view, struct rev_graph *graph)
6144 /* If this is the finalizing update ... */
6146 prepare_rev_graph(graph);
6148 /* Graph visualization needs a one rev look-ahead,
6149 * so the first update doesn't visualize anything. */
6150 if (!graph->prev->commit)
6153 if (view->lines > 2)
6154 view->line[view->lines - 3].dirty = 1;
6155 if (view->lines > 1)
6156 view->line[view->lines - 2].dirty = 1;
6157 draw_rev_graph(graph->prev);
6158 done_rev_graph(graph->prev->prev);
6166 static const char *main_argv[SIZEOF_ARG] = {
6167 "git", "log", "--no-color", "--pretty=raw", "--parents",
6168 "--topo-order", "%(head)", NULL
6172 main_draw(struct view *view, struct line *line, unsigned int lineno)
6174 struct commit *commit = line->data;
6176 if (!commit->author)
6179 if (opt_date && draw_date(view, &commit->time))
6182 if (opt_author && draw_author(view, commit->author))
6185 if (opt_rev_graph && commit->graph_size &&
6186 draw_graphic(view, LINE_MAIN_REVGRAPH, commit->graph, commit->graph_size))
6189 if (opt_show_refs && commit->refs) {
6192 for (i = 0; i < commit->refs->size; i++) {
6193 struct ref *ref = commit->refs->refs[i];
6194 enum line_type type;
6197 type = LINE_MAIN_HEAD;
6199 type = LINE_MAIN_LOCAL_TAG;
6201 type = LINE_MAIN_TAG;
6202 else if (ref->tracked)
6203 type = LINE_MAIN_TRACKED;
6204 else if (ref->remote)
6205 type = LINE_MAIN_REMOTE;
6207 type = LINE_MAIN_REF;
6209 if (draw_text(view, type, "[", TRUE) ||
6210 draw_text(view, type, ref->name, TRUE) ||
6211 draw_text(view, type, "]", TRUE))
6214 if (draw_text(view, LINE_DEFAULT, " ", TRUE))
6219 draw_text(view, LINE_DEFAULT, commit->title, TRUE);
6223 /* Reads git log --pretty=raw output and parses it into the commit struct. */
6225 main_read(struct view *view, char *line)
6227 static struct rev_graph *graph = graph_stacks;
6228 enum line_type type;
6229 struct commit *commit;
6234 if (!view->lines && !view->parent)
6235 die("No revisions match the given arguments.");
6236 if (view->lines > 0) {
6237 commit = view->line[view->lines - 1].data;
6238 view->line[view->lines - 1].dirty = 1;
6239 if (!commit->author) {
6242 graph->commit = NULL;
6245 update_rev_graph(view, graph);
6247 for (i = 0; i < ARRAY_SIZE(graph_stacks); i++)
6248 clear_rev_graph(&graph_stacks[i]);
6252 type = get_line_type(line);
6253 if (type == LINE_COMMIT) {
6254 commit = calloc(1, sizeof(struct commit));
6258 line += STRING_SIZE("commit ");
6260 graph->boundary = 1;
6264 string_copy_rev(commit->id, line);
6265 commit->refs = get_ref_list(commit->id);
6266 graph->commit = commit;
6267 add_line_data(view, commit, LINE_MAIN_COMMIT);
6269 while ((line = strchr(line, ' '))) {
6271 push_rev_graph(graph->parents, line);
6272 commit->has_parents = TRUE;
6279 commit = view->line[view->lines - 1].data;
6283 if (commit->has_parents)
6285 push_rev_graph(graph->parents, line + STRING_SIZE("parent "));
6289 parse_author_line(line + STRING_SIZE("author "),
6290 &commit->author, &commit->time);
6291 update_rev_graph(view, graph);
6292 graph = graph->next;
6296 /* Fill in the commit title if it has not already been set. */
6297 if (commit->title[0])
6300 /* Require titles to start with a non-space character at the
6301 * offset used by git log. */
6302 if (strncmp(line, " ", 4))
6305 /* Well, if the title starts with a whitespace character,
6306 * try to be forgiving. Otherwise we end up with no title. */
6307 while (isspace(*line))
6311 /* FIXME: More graceful handling of titles; append "..." to
6312 * shortened titles, etc. */
6314 string_expand(commit->title, sizeof(commit->title), line, 1);
6315 view->line[view->lines - 1].dirty = 1;
6322 main_request(struct view *view, enum request request, struct line *line)
6324 enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
6328 open_view(view, REQ_VIEW_DIFF, flags);
6332 open_view(view, REQ_VIEW_MAIN, OPEN_REFRESH);
6342 grep_refs(struct ref_list *list, regex_t *regex)
6347 if (!opt_show_refs || !list)
6350 for (i = 0; i < list->size; i++) {
6351 if (regexec(regex, list->refs[i]->name, 1, &pmatch, 0) != REG_NOMATCH)
6359 main_grep(struct view *view, struct line *line)
6361 struct commit *commit = line->data;
6362 const char *text[] = {
6364 opt_author ? commit->author : "",
6365 opt_date ? mkdate(&commit->time) : "",
6369 return grep_text(view, text) || grep_refs(commit->refs, view->regex);
6373 main_select(struct view *view, struct line *line)
6375 struct commit *commit = line->data;
6377 string_copy_rev(view->ref, commit->id);
6378 string_copy_rev(ref_commit, view->ref);
6381 static struct view_ops main_ops = {
6394 * Unicode / UTF-8 handling
6396 * NOTE: Much of the following code for dealing with Unicode is derived from
6397 * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
6398 * src/intl/charset.c from the UTF-8 branch commit elinks-0.11.0-g31f2c28.
6402 unicode_width(unsigned long c)
6405 (c <= 0x115f /* Hangul Jamo */
6408 || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f)
6410 || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */
6411 || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */
6412 || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */
6413 || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */
6414 || (c >= 0xffe0 && c <= 0xffe6)
6415 || (c >= 0x20000 && c <= 0x2fffd)
6416 || (c >= 0x30000 && c <= 0x3fffd)))
6420 return opt_tab_size;
6425 /* Number of bytes used for encoding a UTF-8 character indexed by first byte.
6426 * Illegal bytes are set one. */
6427 static const unsigned char utf8_bytes[256] = {
6428 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,
6429 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,
6430 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,
6431 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,
6432 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,
6433 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,
6434 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,
6435 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,
6438 /* Decode UTF-8 multi-byte representation into a Unicode character. */
6439 static inline unsigned long
6440 utf8_to_unicode(const char *string, size_t length)
6442 unsigned long unicode;
6446 unicode = string[0];
6449 unicode = (string[0] & 0x1f) << 6;
6450 unicode += (string[1] & 0x3f);
6453 unicode = (string[0] & 0x0f) << 12;
6454 unicode += ((string[1] & 0x3f) << 6);
6455 unicode += (string[2] & 0x3f);
6458 unicode = (string[0] & 0x0f) << 18;
6459 unicode += ((string[1] & 0x3f) << 12);
6460 unicode += ((string[2] & 0x3f) << 6);
6461 unicode += (string[3] & 0x3f);
6464 unicode = (string[0] & 0x0f) << 24;
6465 unicode += ((string[1] & 0x3f) << 18);
6466 unicode += ((string[2] & 0x3f) << 12);
6467 unicode += ((string[3] & 0x3f) << 6);
6468 unicode += (string[4] & 0x3f);
6471 unicode = (string[0] & 0x01) << 30;
6472 unicode += ((string[1] & 0x3f) << 24);
6473 unicode += ((string[2] & 0x3f) << 18);
6474 unicode += ((string[3] & 0x3f) << 12);
6475 unicode += ((string[4] & 0x3f) << 6);
6476 unicode += (string[5] & 0x3f);
6479 die("Invalid Unicode length");
6482 /* Invalid characters could return the special 0xfffd value but NUL
6483 * should be just as good. */
6484 return unicode > 0xffff ? 0 : unicode;
6487 /* Calculates how much of string can be shown within the given maximum width
6488 * and sets trimmed parameter to non-zero value if all of string could not be
6489 * shown. If the reserve flag is TRUE, it will reserve at least one
6490 * trailing character, which can be useful when drawing a delimiter.
6492 * Returns the number of bytes to output from string to satisfy max_width. */
6494 utf8_length(const char **start, size_t skip, int *width, size_t max_width, int *trimmed, bool reserve)
6496 const char *string = *start;
6497 const char *end = strchr(string, '\0');
6498 unsigned char last_bytes = 0;
6499 size_t last_ucwidth = 0;
6504 while (string < end) {
6505 int c = *(unsigned char *) string;
6506 unsigned char bytes = utf8_bytes[c];
6508 unsigned long unicode;
6510 if (string + bytes > end)
6513 /* Change representation to figure out whether
6514 * it is a single- or double-width character. */
6516 unicode = utf8_to_unicode(string, bytes);
6517 /* FIXME: Graceful handling of invalid Unicode character. */
6521 ucwidth = unicode_width(unicode);
6523 skip -= ucwidth <= skip ? ucwidth : skip;
6527 if (*width > max_width) {
6530 if (reserve && *width == max_width) {
6531 string -= last_bytes;
6532 *width -= last_ucwidth;
6538 last_bytes = ucwidth ? bytes : 0;
6539 last_ucwidth = ucwidth;
6542 return string - *start;
6556 static struct popup menu;
6562 wnoutrefresh(menu.win);
6570 redraw_display(FALSE);
6574 menu_create(int height, int width, const char* title, bool hotkeys)
6577 int ymax, xmax, top, left;
6578 enum line_type type = LINE_TITLE_FOCUS;
6580 getmaxyx(stdscr, ymax, xmax);
6581 top = (ymax - height)/2;
6582 left = (xmax - width)/2;
6588 win = newwin(height, width, top, left);
6589 wbkgd(win, COLOR_PAIR(type));
6592 wattrset(win, get_line_attr(type));
6593 mvwprintw(win, 0, (width-strlen(title))/2, " %s ", title);
6597 menu.hotkeys = hotkeys;
6602 menu_set_line_attr(int index, enum line_type type)
6604 WINDOW *win = menu.win;
6605 int width = menu.width-2;
6606 mvwchgat(win, index+1, 1, width,
6607 get_line_attr(type), type, NULL);
6611 menu_putline(int index, const struct menu_item *item)
6613 WINDOW *win = menu.win;
6614 bool hotkeys = menu.hotkeys;
6617 mvwprintw(win, index+1, 2, "[%c] %s", (char) item->hotkey, item->text);
6619 mvwprintw(win, index+1, 6, "%s", item->text);
6621 mvwprintw(win, index+1, 2, "%s", item->text);
6626 menu_select(int index)
6628 if (menu.selected >= 0) {
6629 menu_set_line_attr(menu.selected, LINE_TITLE_FOCUS);
6632 menu_set_line_attr(index, LINE_CURSOR);
6634 menu.selected = index;
6642 /* Whether or not the curses interface has been initialized. */
6643 static bool cursed = FALSE;
6645 /* Terminal hacks and workarounds. */
6646 static bool use_scroll_redrawwin;
6647 static bool use_scroll_status_wclear;
6649 /* The status window is used for polling keystrokes. */
6650 static WINDOW *status_win;
6652 /* Reading from the prompt? */
6653 static bool input_mode = FALSE;
6655 static bool status_empty = FALSE;
6657 /* Update status and title window. */
6659 report(const char *msg, ...)
6661 struct view *view = display[current_view];
6667 char buf[SIZEOF_STR];
6670 va_start(args, msg);
6671 if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) {
6672 buf[sizeof(buf) - 1] = 0;
6673 buf[sizeof(buf) - 2] = '.';
6674 buf[sizeof(buf) - 3] = '.';
6675 buf[sizeof(buf) - 4] = '.';
6681 if (!status_empty || *msg) {
6684 va_start(args, msg);
6686 wmove(status_win, 0, 0);
6687 if (view->has_scrolled && use_scroll_status_wclear)
6690 vwprintw(status_win, msg, args);
6691 status_empty = FALSE;
6693 status_empty = TRUE;
6695 wclrtoeol(status_win);
6696 wnoutrefresh(status_win);
6701 update_view_title(view);
6704 /* Controls when nodelay should be in effect when polling user input. */
6706 set_nonblocking_input(bool loading)
6708 static unsigned int loading_views;
6710 if ((loading == FALSE && loading_views-- == 1) ||
6711 (loading == TRUE && loading_views++ == 0))
6712 nodelay(status_win, loading);
6721 /* Initialize the curses library */
6722 if (isatty(STDIN_FILENO)) {
6723 cursed = !!initscr();
6726 /* Leave stdin and stdout alone when acting as a pager. */
6727 opt_tty = fopen("/dev/tty", "r+");
6729 die("Failed to open /dev/tty");
6730 cursed = !!newterm(NULL, opt_tty, opt_tty);
6734 die("Failed to initialize curses");
6736 nonl(); /* Disable conversion and detect newlines from input. */
6737 cbreak(); /* Take input chars one at a time, no wait for \n */
6738 noecho(); /* Don't echo input */
6739 leaveok(stdscr, FALSE);
6744 getmaxyx(stdscr, y, x);
6745 status_win = newwin(1, 0, y - 1, 0);
6747 die("Failed to create status window");
6749 /* Enable keyboard mapping */
6750 keypad(status_win, TRUE);
6751 wbkgdset(status_win, get_line_attr(LINE_STATUS));
6753 TABSIZE = opt_tab_size;
6754 if (opt_line_graphics) {
6755 line_graphics[LINE_GRAPHIC_VLINE] = ACS_VLINE;
6758 term = getenv("XTERM_VERSION") ? NULL : getenv("COLORTERM");
6759 if (term && !strcmp(term, "gnome-terminal")) {
6760 /* In the gnome-terminal-emulator, the message from
6761 * scrolling up one line when impossible followed by
6762 * scrolling down one line causes corruption of the
6763 * status line. This is fixed by calling wclear. */
6764 use_scroll_status_wclear = TRUE;
6765 use_scroll_redrawwin = FALSE;
6767 } else if (term && !strcmp(term, "xrvt-xpm")) {
6768 /* No problems with full optimizations in xrvt-(unicode)
6770 use_scroll_status_wclear = use_scroll_redrawwin = FALSE;
6773 /* When scrolling in (u)xterm the last line in the
6774 * scrolling direction will update slowly. */
6775 use_scroll_redrawwin = TRUE;
6776 use_scroll_status_wclear = FALSE;
6781 get_input(int prompt_position)
6784 int i, key, cursor_y, cursor_x;
6786 if (prompt_position)
6790 foreach_view (view, i) {
6792 if (view_is_displayed(view) && view->has_scrolled &&
6793 use_scroll_redrawwin)
6794 redrawwin(view->win);
6795 view->has_scrolled = FALSE;
6798 /* Update the cursor position. */
6799 if (prompt_position) {
6800 getbegyx(status_win, cursor_y, cursor_x);
6801 cursor_x = prompt_position;
6803 view = display[current_view];
6804 getbegyx(view->win, cursor_y, cursor_x);
6805 cursor_x = view->width - 1;
6806 cursor_y += view->lineno - view->offset;
6808 setsyx(cursor_y, cursor_x);
6810 /* Refresh, accept single keystroke of input */
6812 key = wgetch(status_win);
6814 /* wgetch() with nodelay() enabled returns ERR when
6815 * there's no input. */
6818 } else if (key == KEY_RESIZE) {
6821 getmaxyx(stdscr, height, width);
6823 wresize(status_win, 1, width);
6824 mvwin(status_win, height - 1, 0);
6825 wnoutrefresh(status_win);
6827 redraw_display(TRUE);
6837 prompt_input(const char *prompt, input_handler handler, void *data)
6839 enum input_status status = INPUT_OK;
6840 static char buf[SIZEOF_STR];
6845 while (status == INPUT_OK || status == INPUT_SKIP) {
6848 mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf);
6849 wclrtoeol(status_win);
6851 key = get_input(pos + 1);
6856 status = pos ? INPUT_STOP : INPUT_CANCEL;
6863 status = INPUT_CANCEL;
6867 status = INPUT_CANCEL;
6871 if (pos >= sizeof(buf)) {
6872 report("Input string too long");
6876 status = handler(data, buf, key);
6877 if (status == INPUT_OK)
6878 buf[pos++] = (char) key;
6882 /* Clear the status window */
6883 status_empty = FALSE;
6886 if (status == INPUT_CANCEL)
6894 static enum input_status
6895 prompt_yesno_handler(void *data, char *buf, int c)
6897 if (c == 'y' || c == 'Y')
6899 if (c == 'n' || c == 'N')
6900 return INPUT_CANCEL;
6905 prompt_yesno(const char *prompt)
6907 char prompt2[SIZEOF_STR];
6909 if (!string_format(prompt2, "%s [Yy/Nn]", prompt))
6912 return !!prompt_input(prompt2, prompt_yesno_handler, NULL);
6915 static enum input_status
6916 read_prompt_handler(void *data, char *buf, int c)
6918 return isprint(c) ? INPUT_OK : INPUT_SKIP;
6922 read_prompt(const char *prompt)
6924 return prompt_input(prompt, read_prompt_handler, NULL);
6927 static bool prompt_menu(const char *prompt, const struct menu_item *items, int *selected)
6929 enum input_status status = INPUT_OK;
6931 int width = strlen(prompt+2);
6932 bool hotkeys = false;
6935 while (items[size].text) {
6936 int w = strlen(items[size].text);
6939 if (items[size].hotkey)
6944 width += hotkeys ? 8 : 4;
6946 menu_create(size+2, width, prompt, hotkeys);
6947 for (i=0; i < size; ++i)
6948 menu_putline(i, &items[i]);
6952 while (status == INPUT_OK) {
6953 const struct menu_item *item = &items[*selected];
6956 mvwprintw(status_win, 0, 0, "%s (%d of %d) ",
6957 prompt, *selected + 1, size);
6959 wprintw(status_win, "[%c] ", (char) item->hotkey);
6960 wprintw(status_win, "%s", item->text);
6961 wclrtoeol(status_win);
6962 menu_select(*selected);
6964 key = get_input(COLS - 1);
6969 status = INPUT_STOP;
6974 *selected = *selected - 1;
6976 *selected = size - 1;
6981 *selected = (*selected + 1) % size;
6985 status = INPUT_CANCEL;
6989 for (i = 0; items[i].text; i++)
6990 if (items[i].hotkey == key) {
6992 status = INPUT_STOP;
7000 /* Clear the status window */
7001 status_empty = FALSE;
7004 return status != INPUT_CANCEL;
7008 * Repository properties
7011 static struct ref **refs = NULL;
7012 static size_t refs_size = 0;
7014 static struct ref_list **ref_lists = NULL;
7015 static size_t ref_lists_size = 0;
7017 DEFINE_ALLOCATOR(realloc_refs, struct ref *, 256)
7018 DEFINE_ALLOCATOR(realloc_refs_list, struct ref *, 8)
7019 DEFINE_ALLOCATOR(realloc_ref_lists, struct ref_list *, 8)
7022 compare_refs(const void *ref1_, const void *ref2_)
7024 const struct ref *ref1 = *(const struct ref **)ref1_;
7025 const struct ref *ref2 = *(const struct ref **)ref2_;
7027 if (ref1->tag != ref2->tag)
7028 return ref2->tag - ref1->tag;
7029 if (ref1->ltag != ref2->ltag)
7030 return ref2->ltag - ref2->ltag;
7031 if (ref1->head != ref2->head)
7032 return ref2->head - ref1->head;
7033 if (ref1->tracked != ref2->tracked)
7034 return ref2->tracked - ref1->tracked;
7035 if (ref1->remote != ref2->remote)
7036 return ref2->remote - ref1->remote;
7037 return strcmp(ref1->name, ref2->name);
7041 foreach_ref(bool (*visitor)(void *data, struct ref *ref), void *data)
7045 for (i = 0; i < refs_size; i++)
7046 if (!visitor(data, refs[i]))
7050 static struct ref_list *
7051 get_ref_list(const char *id)
7053 struct ref_list *list;
7056 for (i = 0; i < ref_lists_size; i++)
7057 if (!strcmp(id, ref_lists[i]->id))
7058 return ref_lists[i];
7060 if (!realloc_ref_lists(&ref_lists, ref_lists_size, 1))
7062 list = calloc(1, sizeof(*list));
7066 for (i = 0; i < refs_size; i++) {
7067 if (!strcmp(id, refs[i]->id) &&
7068 realloc_refs_list(&list->refs, list->size, 1))
7069 list->refs[list->size++] = refs[i];
7077 qsort(list->refs, list->size, sizeof(*list->refs), compare_refs);
7078 ref_lists[ref_lists_size++] = list;
7083 read_ref(char *id, size_t idlen, char *name, size_t namelen)
7085 struct ref *ref = NULL;
7088 bool remote = FALSE;
7089 bool tracked = FALSE;
7091 int from = 0, to = refs_size - 1;
7093 if (!prefixcmp(name, "refs/tags/")) {
7094 if (!suffixcmp(name, namelen, "^{}")) {
7102 namelen -= STRING_SIZE("refs/tags/");
7103 name += STRING_SIZE("refs/tags/");
7105 } else if (!prefixcmp(name, "refs/remotes/")) {
7107 namelen -= STRING_SIZE("refs/remotes/");
7108 name += STRING_SIZE("refs/remotes/");
7109 tracked = !strcmp(opt_remote, name);
7111 } else if (!prefixcmp(name, "refs/heads/")) {
7112 namelen -= STRING_SIZE("refs/heads/");
7113 name += STRING_SIZE("refs/heads/");
7114 head = !strncmp(opt_head, name, namelen);
7116 } else if (!strcmp(name, "HEAD")) {
7117 string_ncopy(opt_head_rev, id, idlen);
7121 /* If we are reloading or it's an annotated tag, replace the
7122 * previous SHA1 with the resolved commit id; relies on the fact
7123 * git-ls-remote lists the commit id of an annotated tag right
7124 * before the commit id it points to. */
7125 while (from <= to) {
7126 size_t pos = (to + from) / 2;
7127 int cmp = strcmp(name, refs[pos]->name);
7141 if (!realloc_refs(&refs, refs_size, 1))
7143 ref = calloc(1, sizeof(*ref) + namelen);
7146 memmove(refs + from + 1, refs + from,
7147 (refs_size - from) * sizeof(*refs));
7149 strncpy(ref->name, name, namelen);
7156 ref->remote = remote;
7157 ref->tracked = tracked;
7158 string_copy_rev(ref->id, id);
7166 const char *head_argv[] = {
7167 "git", "symbolic-ref", "HEAD", NULL
7169 static const char *ls_remote_argv[SIZEOF_ARG] = {
7170 "git", "ls-remote", opt_git_dir, NULL
7172 static bool init = FALSE;
7176 argv_from_env(ls_remote_argv, "TIG_LS_REMOTE");
7183 if (run_io_buf(head_argv, opt_head, sizeof(opt_head)) &&
7184 !prefixcmp(opt_head, "refs/heads/")) {
7185 char *offset = opt_head + STRING_SIZE("refs/heads/");
7187 memmove(opt_head, offset, strlen(offset) + 1);
7190 for (i = 0; i < refs_size; i++)
7193 if (run_io_load(ls_remote_argv, "\t", read_ref) == ERR)
7196 /* Update the ref lists to reflect changes. */
7197 for (i = 0; i < ref_lists_size; i++) {
7198 struct ref_list *list = ref_lists[i];
7201 for (old = new = 0; old < list->size; old++)
7202 if (!strcmp(list->id, list->refs[old]->id))
7203 list->refs[new++] = list->refs[old];
7211 set_remote_branch(const char *name, const char *value, size_t valuelen)
7213 if (!strcmp(name, ".remote")) {
7214 string_ncopy(opt_remote, value, valuelen);
7216 } else if (*opt_remote && !strcmp(name, ".merge")) {
7217 size_t from = strlen(opt_remote);
7219 if (!prefixcmp(value, "refs/heads/"))
7220 value += STRING_SIZE("refs/heads/");
7222 if (!string_format_from(opt_remote, &from, "/%s", value))
7228 set_repo_config_option(char *name, char *value, int (*cmd)(int, const char **))
7230 const char *argv[SIZEOF_ARG] = { name, "=" };
7231 int argc = 1 + (cmd == option_set_command);
7234 if (!argv_from_string(argv, &argc, value))
7235 config_msg = "Too many option arguments";
7237 error = cmd(argc, argv);
7240 warn("Option 'tig.%s': %s", name, config_msg);
7244 set_environment_variable(const char *name, const char *value)
7246 size_t len = strlen(name) + 1 + strlen(value) + 1;
7247 char *env = malloc(len);
7250 string_nformat(env, len, NULL, "%s=%s", name, value) &&
7258 set_work_tree(const char *value)
7260 char cwd[SIZEOF_STR];
7262 if (!getcwd(cwd, sizeof(cwd)))
7263 die("Failed to get cwd path: %s", strerror(errno));
7264 if (chdir(opt_git_dir) < 0)
7265 die("Failed to chdir(%s): %s", strerror(errno));
7266 if (!getcwd(opt_git_dir, sizeof(opt_git_dir)))
7267 die("Failed to get git path: %s", strerror(errno));
7269 die("Failed to chdir(%s): %s", cwd, strerror(errno));
7270 if (chdir(value) < 0)
7271 die("Failed to chdir(%s): %s", value, strerror(errno));
7272 if (!getcwd(cwd, sizeof(cwd)))
7273 die("Failed to get cwd path: %s", strerror(errno));
7274 if (!set_environment_variable("GIT_WORK_TREE", cwd))
7275 die("Failed to set GIT_WORK_TREE to '%s'", cwd);
7276 if (!set_environment_variable("GIT_DIR", opt_git_dir))
7277 die("Failed to set GIT_DIR to '%s'", opt_git_dir);
7278 opt_is_inside_work_tree = TRUE;
7282 read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen)
7284 if (!strcmp(name, "i18n.commitencoding"))
7285 string_ncopy(opt_encoding, value, valuelen);
7287 else if (!strcmp(name, "core.editor"))
7288 string_ncopy(opt_editor, value, valuelen);
7290 else if (!strcmp(name, "core.worktree"))
7291 set_work_tree(value);
7293 else if (!prefixcmp(name, "tig.color."))
7294 set_repo_config_option(name + 10, value, option_color_command);
7296 else if (!prefixcmp(name, "tig.bind."))
7297 set_repo_config_option(name + 9, value, option_bind_command);
7299 else if (!prefixcmp(name, "tig."))
7300 set_repo_config_option(name + 4, value, option_set_command);
7302 else if (*opt_head && !prefixcmp(name, "branch.") &&
7303 !strncmp(name + 7, opt_head, strlen(opt_head)))
7304 set_remote_branch(name + 7 + strlen(opt_head), value, valuelen);
7310 load_git_config(void)
7312 const char *config_list_argv[] = { "git", GIT_CONFIG, "--list", NULL };
7314 return run_io_load(config_list_argv, "=", read_repo_config_option);
7318 read_repo_info(char *name, size_t namelen, char *value, size_t valuelen)
7320 if (!opt_git_dir[0]) {
7321 string_ncopy(opt_git_dir, name, namelen);
7323 } else if (opt_is_inside_work_tree == -1) {
7324 /* This can be 3 different values depending on the
7325 * version of git being used. If git-rev-parse does not
7326 * understand --is-inside-work-tree it will simply echo
7327 * the option else either "true" or "false" is printed.
7328 * Default to true for the unknown case. */
7329 opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE;
7331 } else if (*name == '.') {
7332 string_ncopy(opt_cdup, name, namelen);
7335 string_ncopy(opt_prefix, name, namelen);
7342 load_repo_info(void)
7344 const char *rev_parse_argv[] = {
7345 "git", "rev-parse", "--git-dir", "--is-inside-work-tree",
7346 "--show-cdup", "--show-prefix", NULL
7349 return run_io_load(rev_parse_argv, "=", read_repo_info);
7357 static const char usage[] =
7358 "tig " TIG_VERSION " (" __DATE__ ")\n"
7360 "Usage: tig [options] [revs] [--] [paths]\n"
7361 " or: tig show [options] [revs] [--] [paths]\n"
7362 " or: tig blame [rev] path\n"
7365 " or: tig < [git command output]\n"
7368 " -v, --version Show version and exit\n"
7369 " -h, --help Show help message and exit";
7371 static void __NORETURN
7374 /* XXX: Restore tty modes and let the OS cleanup the rest! */
7380 static void __NORETURN
7381 die(const char *err, ...)
7387 va_start(args, err);
7388 fputs("tig: ", stderr);
7389 vfprintf(stderr, err, args);
7390 fputs("\n", stderr);
7397 warn(const char *msg, ...)
7401 va_start(args, msg);
7402 fputs("tig warning: ", stderr);
7403 vfprintf(stderr, msg, args);
7404 fputs("\n", stderr);
7409 parse_options(int argc, const char *argv[])
7411 enum request request = REQ_VIEW_MAIN;
7412 const char *subcommand;
7413 bool seen_dashdash = FALSE;
7414 /* XXX: This is vulnerable to the user overriding options
7415 * required for the main view parser. */
7416 const char *custom_argv[SIZEOF_ARG] = {
7417 "git", "log", "--no-color", "--pretty=raw", "--parents",
7418 "--topo-order", NULL
7422 if (!isatty(STDIN_FILENO)) {
7423 io_open(&VIEW(REQ_VIEW_PAGER)->io, "");
7424 return REQ_VIEW_PAGER;
7430 subcommand = argv[1];
7431 if (!strcmp(subcommand, "status")) {
7433 warn("ignoring arguments after `%s'", subcommand);
7434 return REQ_VIEW_STATUS;
7436 } else if (!strcmp(subcommand, "branch")) {
7438 warn("ignoring arguments after `%s'", subcommand);
7439 return REQ_VIEW_BRANCH;
7441 } else if (!strcmp(subcommand, "blame")) {
7442 if (argc <= 2 || argc > 4)
7443 die("invalid number of options to blame\n\n%s", usage);
7447 string_ncopy(opt_ref, argv[i], strlen(argv[i]));
7451 string_ncopy(opt_file, argv[i], strlen(argv[i]));
7452 return REQ_VIEW_BLAME;
7454 } else if (!strcmp(subcommand, "show")) {
7455 request = REQ_VIEW_DIFF;
7462 custom_argv[1] = subcommand;
7466 for (i = 1 + !!subcommand; i < argc; i++) {
7467 const char *opt = argv[i];
7469 if (seen_dashdash || !strcmp(opt, "--")) {
7470 seen_dashdash = TRUE;
7472 } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
7473 printf("tig version %s\n", TIG_VERSION);
7476 } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
7477 printf("%s\n", usage);
7481 custom_argv[j++] = opt;
7482 if (j >= ARRAY_SIZE(custom_argv))
7483 die("command too long");
7486 if (!prepare_update(VIEW(request), custom_argv, NULL, FORMAT_NONE))
7487 die("Failed to format arguments");
7493 main(int argc, const char *argv[])
7495 enum request request = parse_options(argc, argv);
7499 signal(SIGINT, quit);
7500 signal(SIGPIPE, SIG_IGN);
7502 if (setlocale(LC_ALL, "")) {
7503 char *codeset = nl_langinfo(CODESET);
7505 string_ncopy(opt_codeset, codeset, strlen(codeset));
7508 if (load_repo_info() == ERR)
7509 die("Failed to load repo info.");
7511 if (load_options() == ERR)
7512 die("Failed to load user config.");
7514 if (load_git_config() == ERR)
7515 die("Failed to load repo config.");
7517 /* Require a git repository unless when running in pager mode. */
7518 if (!opt_git_dir[0] && request != REQ_VIEW_PAGER)
7519 die("Not a git repository");
7521 if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8"))
7524 if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) {
7525 opt_iconv = iconv_open(opt_codeset, opt_encoding);
7526 if (opt_iconv == ICONV_NONE)
7527 die("Failed to initialize character set conversion");
7530 if (load_refs() == ERR)
7531 die("Failed to load refs.");
7533 foreach_view (view, i)
7534 argv_from_env(view->ops->argv, view->cmd_env);
7538 if (request != REQ_NONE)
7539 open_view(NULL, request, OPEN_PREPARED);
7540 request = request == REQ_NONE ? REQ_VIEW_MAIN : REQ_NONE;
7542 while (view_driver(display[current_view], request)) {
7543 int key = get_input(0);
7545 view = display[current_view];
7546 request = get_keybinding(view->keymap, key);
7548 /* Some low-level request handling. This keeps access to
7549 * status_win restricted. */
7553 char *cmd = read_prompt(":");
7555 if (cmd && isdigit(*cmd)) {
7556 int lineno = view->lineno + 1;
7558 if (parse_int(&lineno, cmd, 1, view->lines + 1) == OK) {
7559 select_view_line(view, lineno - 1);
7562 report("Unable to parse '%s' as a line number", cmd);
7566 struct view *next = VIEW(REQ_VIEW_PAGER);
7567 const char *argv[SIZEOF_ARG] = { "git" };
7570 /* When running random commands, initially show the
7571 * command in the title. However, it maybe later be
7572 * overwritten if a commit line is selected. */
7573 string_ncopy(next->ref, cmd, strlen(cmd));
7575 if (!argv_from_string(argv, &argc, cmd)) {
7576 report("Too many arguments");
7577 } else if (!prepare_update(next, argv, NULL, FORMAT_DASH)) {
7578 report("Failed to format command");
7580 open_view(view, REQ_VIEW_PAGER, OPEN_PREPARED);
7588 case REQ_SEARCH_BACK:
7590 const char *prompt = request == REQ_SEARCH ? "/" : "?";
7591 char *search = read_prompt(prompt);
7594 string_ncopy(opt_search, search, strlen(search));
7595 else if (*opt_search)
7596 request = request == REQ_SEARCH ?