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, int *width, size_t max_width, int *trimmed, bool reserve);
72 static bool prompt_yesno(const char *prompt);
73 static int load_refs(void);
75 #define ABS(x) ((x) >= 0 ? (x) : -(x))
76 #define MIN(x, y) ((x) < (y) ? (x) : (y))
78 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
79 #define STRING_SIZE(x) (sizeof(x) - 1)
81 #define SIZEOF_STR 1024 /* Default string size. */
82 #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */
83 #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL. */
84 #define SIZEOF_ARG 32 /* Default argument array size. */
88 #define REVGRAPH_INIT 'I'
89 #define REVGRAPH_MERGE 'M'
90 #define REVGRAPH_BRANCH '+'
91 #define REVGRAPH_COMMIT '*'
92 #define REVGRAPH_BOUND '^'
94 #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */
96 /* This color name can be used to refer to the default term colors. */
97 #define COLOR_DEFAULT (-1)
99 #define ICONV_NONE ((iconv_t) -1)
101 #define ICONV_CONST /* nothing */
104 /* The format and size of the date column in the main view. */
105 #define DATE_FORMAT "%Y-%m-%d %H:%M"
106 #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ")
108 #define AUTHOR_COLS 20
111 /* The default interval between line numbers. */
112 #define NUMBER_INTERVAL 5
116 #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3)
118 #define NULL_ID "0000000000000000000000000000000000000000"
121 #define GIT_CONFIG "config"
124 /* Some ascii-shorthands fitted into the ncurses namespace. */
126 #define KEY_RETURN '\r'
131 char *name; /* Ref name; tag or head names are shortened. */
132 char id[SIZEOF_REV]; /* Commit SHA1 ID */
133 unsigned int head:1; /* Is it the current HEAD? */
134 unsigned int tag:1; /* Is it a tag? */
135 unsigned int ltag:1; /* If so, is the tag local? */
136 unsigned int remote:1; /* Is it a remote ref? */
137 unsigned int tracked:1; /* Is it the remote for the current HEAD? */
138 unsigned int next:1; /* For ref lists: are there more refs? */
141 static struct ref **get_refs(const char *id);
144 FORMAT_ALL, /* Perform replacement in all arguments. */
145 FORMAT_DASH, /* Perform replacement up until "--". */
146 FORMAT_NONE /* No replacement should be performed. */
149 static bool format_argv(const char *dst[], const char *src[], enum format_flags flags);
158 set_from_int_map(struct int_map *map, size_t map_size,
159 int *value, const char *name, int namelen)
164 for (i = 0; i < map_size; i++)
165 if (namelen == map[i].namelen &&
166 !strncasecmp(name, map[i].name, namelen)) {
167 *value = map[i].value;
180 string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen)
182 if (srclen > dstlen - 1)
185 strncpy(dst, src, srclen);
189 /* Shorthands for safely copying into a fixed buffer. */
191 #define string_copy(dst, src) \
192 string_ncopy_do(dst, sizeof(dst), src, sizeof(src))
194 #define string_ncopy(dst, src, srclen) \
195 string_ncopy_do(dst, sizeof(dst), src, srclen)
197 #define string_copy_rev(dst, src) \
198 string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1)
200 #define string_add(dst, from, src) \
201 string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
204 chomp_string(char *name)
208 while (isspace(*name))
211 namelen = strlen(name) - 1;
212 while (namelen > 0 && isspace(name[namelen]))
219 string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...)
222 size_t pos = bufpos ? *bufpos : 0;
225 pos += vsnprintf(buf + pos, bufsize - pos, fmt, args);
231 return pos >= bufsize ? FALSE : TRUE;
234 #define string_format(buf, fmt, args...) \
235 string_nformat(buf, sizeof(buf), NULL, fmt, args)
237 #define string_format_from(buf, from, fmt, args...) \
238 string_nformat(buf, sizeof(buf), from, fmt, args)
241 string_enum_compare(const char *str1, const char *str2, int len)
245 #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.')
247 /* Diff-Header == DIFF_HEADER */
248 for (i = 0; i < len; i++) {
249 if (toupper(str1[i]) == toupper(str2[i]))
252 if (string_enum_sep(str1[i]) &&
253 string_enum_sep(str2[i]))
256 return str1[i] - str2[i];
262 #define prefixcmp(str1, str2) \
263 strncmp(str1, str2, STRING_SIZE(str2))
266 suffixcmp(const char *str, int slen, const char *suffix)
268 size_t len = slen >= 0 ? slen : strlen(str);
269 size_t suffixlen = strlen(suffix);
271 return suffixlen < len ? strcmp(str + len - suffixlen, suffix) : -1;
276 argv_from_string(const char *argv[SIZEOF_ARG], int *argc, char *cmd)
280 while (*cmd && *argc < SIZEOF_ARG && (valuelen = strcspn(cmd, " \t"))) {
281 bool advance = cmd[valuelen] != 0;
284 argv[(*argc)++] = chomp_string(cmd);
285 cmd += valuelen + advance;
288 if (*argc < SIZEOF_ARG)
290 return *argc < SIZEOF_ARG;
294 argv_from_env(const char **argv, const char *name)
296 char *env = argv ? getenv(name) : NULL;
301 if (env && !argv_from_string(argv, &argc, env))
302 die("Too many arguments in the `%s` environment variable", name);
307 * Executing external commands.
311 IO_FD, /* File descriptor based IO. */
312 IO_BG, /* Execute command in the background. */
313 IO_FG, /* Execute command with same std{in,out,err}. */
314 IO_RD, /* Read only fork+exec IO. */
315 IO_WR, /* Write only fork+exec IO. */
319 enum io_type type; /* The requested type of pipe. */
320 const char *dir; /* Directory from which to execute. */
321 pid_t pid; /* Pipe for reading or writing. */
322 int pipe; /* Pipe end for reading or writing. */
323 int error; /* Error status. */
324 const char *argv[SIZEOF_ARG]; /* Shell command arguments. */
325 char *buf; /* Read buffer. */
326 size_t bufalloc; /* Allocated buffer size. */
327 size_t bufsize; /* Buffer content size. */
328 char *bufpos; /* Current buffer position. */
329 unsigned int eof:1; /* Has end of file been reached. */
333 reset_io(struct io *io)
337 io->buf = io->bufpos = NULL;
338 io->bufalloc = io->bufsize = 0;
344 init_io(struct io *io, const char *dir, enum io_type type)
352 init_io_rd(struct io *io, const char *argv[], const char *dir,
353 enum format_flags flags)
355 init_io(io, dir, IO_RD);
356 return format_argv(io->argv, argv, flags);
360 io_open(struct io *io, const char *name)
362 init_io(io, NULL, IO_FD);
363 io->pipe = *name ? open(name, O_RDONLY) : STDIN_FILENO;
364 return io->pipe != -1;
368 kill_io(struct io *io)
370 return kill(io->pid, SIGKILL) != -1;
374 done_io(struct io *io)
385 pid_t waiting = waitpid(pid, &status, 0);
390 report("waitpid failed (%s)", strerror(errno));
394 return waiting == pid &&
395 !WIFSIGNALED(status) &&
397 !WEXITSTATUS(status);
404 start_io(struct io *io)
406 int pipefds[2] = { -1, -1 };
408 if (io->type == IO_FD)
411 if ((io->type == IO_RD || io->type == IO_WR) &&
415 if ((io->pid = fork())) {
416 if (pipefds[!(io->type == IO_WR)] != -1)
417 close(pipefds[!(io->type == IO_WR)]);
419 io->pipe = pipefds[!!(io->type == IO_WR)];
424 if (io->type != IO_FG) {
425 int devnull = open("/dev/null", O_RDWR);
426 int readfd = io->type == IO_WR ? pipefds[0] : devnull;
427 int writefd = io->type == IO_RD ? pipefds[1] : devnull;
429 dup2(readfd, STDIN_FILENO);
430 dup2(writefd, STDOUT_FILENO);
431 dup2(devnull, STDERR_FILENO);
434 if (pipefds[0] != -1)
436 if (pipefds[1] != -1)
440 if (io->dir && *io->dir && chdir(io->dir) == -1)
441 die("Failed to change directory: %s", strerror(errno));
443 execvp(io->argv[0], (char *const*) io->argv);
444 die("Failed to execute program: %s", strerror(errno));
447 if (pipefds[!!(io->type == IO_WR)] != -1)
448 close(pipefds[!!(io->type == IO_WR)]);
453 run_io(struct io *io, const char **argv, const char *dir, enum io_type type)
455 init_io(io, dir, type);
456 if (!format_argv(io->argv, argv, FORMAT_NONE))
462 run_io_do(struct io *io)
464 return start_io(io) && done_io(io);
468 run_io_bg(const char **argv)
472 init_io(&io, NULL, IO_BG);
473 if (!format_argv(io.argv, argv, FORMAT_NONE))
475 return run_io_do(&io);
479 run_io_fg(const char **argv, const char *dir)
483 init_io(&io, dir, IO_FG);
484 if (!format_argv(io.argv, argv, FORMAT_NONE))
486 return run_io_do(&io);
490 run_io_rd(struct io *io, const char **argv, enum format_flags flags)
492 return init_io_rd(io, argv, NULL, flags) && start_io(io);
496 io_eof(struct io *io)
502 io_error(struct io *io)
508 io_strerror(struct io *io)
510 return strerror(io->error);
514 io_can_read(struct io *io)
516 struct timeval tv = { 0, 500 };
520 FD_SET(io->pipe, &fds);
522 return select(io->pipe + 1, &fds, NULL, NULL, &tv) > 0;
526 io_read(struct io *io, void *buf, size_t bufsize)
529 ssize_t readsize = read(io->pipe, buf, bufsize);
531 if (readsize < 0 && (errno == EAGAIN || errno == EINTR))
533 else if (readsize == -1)
535 else if (readsize == 0)
542 io_get(struct io *io, int c, bool can_read)
548 io->buf = io->bufpos = malloc(BUFSIZ);
551 io->bufalloc = BUFSIZ;
556 if (io->bufsize > 0) {
557 eol = memchr(io->bufpos, c, io->bufsize);
559 char *line = io->bufpos;
562 io->bufpos = eol + 1;
563 io->bufsize -= io->bufpos - line;
570 io->bufpos[io->bufsize] = 0;
580 if (io->bufsize > 0 && io->bufpos > io->buf)
581 memmove(io->buf, io->bufpos, io->bufsize);
583 io->bufpos = io->buf;
584 readsize = io_read(io, io->buf + io->bufsize, io->bufalloc - io->bufsize);
587 io->bufsize += readsize;
592 io_write(struct io *io, const void *buf, size_t bufsize)
596 while (!io_error(io) && written < bufsize) {
599 size = write(io->pipe, buf + written, bufsize - written);
600 if (size < 0 && (errno == EAGAIN || errno == EINTR))
608 return written == bufsize;
612 run_io_buf(const char **argv, char buf[], size_t bufsize)
617 if (!run_io_rd(&io, argv, FORMAT_NONE))
620 io.buf = io.bufpos = buf;
621 io.bufalloc = bufsize;
622 error = !io_get(&io, '\n', TRUE) && io_error(&io);
625 return done_io(&io) || error;
628 static int read_properties(struct io *io, const char *separators, int (*read)(char *, size_t, char *, size_t));
635 /* XXX: Keep the view request first and in sync with views[]. */ \
636 REQ_GROUP("View switching") \
637 REQ_(VIEW_MAIN, "Show main view"), \
638 REQ_(VIEW_DIFF, "Show diff view"), \
639 REQ_(VIEW_LOG, "Show log view"), \
640 REQ_(VIEW_TREE, "Show tree view"), \
641 REQ_(VIEW_BLOB, "Show blob view"), \
642 REQ_(VIEW_BLAME, "Show blame view"), \
643 REQ_(VIEW_HELP, "Show help page"), \
644 REQ_(VIEW_PAGER, "Show pager view"), \
645 REQ_(VIEW_STATUS, "Show status view"), \
646 REQ_(VIEW_STAGE, "Show stage view"), \
648 REQ_GROUP("View manipulation") \
649 REQ_(ENTER, "Enter current line and scroll"), \
650 REQ_(NEXT, "Move to next"), \
651 REQ_(PREVIOUS, "Move to previous"), \
652 REQ_(VIEW_NEXT, "Move focus to next view"), \
653 REQ_(REFRESH, "Reload and refresh"), \
654 REQ_(MAXIMIZE, "Maximize the current view"), \
655 REQ_(VIEW_CLOSE, "Close the current view"), \
656 REQ_(QUIT, "Close all views and quit"), \
658 REQ_GROUP("View specific requests") \
659 REQ_(STATUS_UPDATE, "Update file status"), \
660 REQ_(STATUS_REVERT, "Revert file changes"), \
661 REQ_(STATUS_MERGE, "Merge file using external tool"), \
662 REQ_(STAGE_NEXT, "Find next chunk to stage"), \
663 REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \
665 REQ_GROUP("Cursor navigation") \
666 REQ_(MOVE_UP, "Move cursor one line up"), \
667 REQ_(MOVE_DOWN, "Move cursor one line down"), \
668 REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \
669 REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \
670 REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \
671 REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \
673 REQ_GROUP("Scrolling") \
674 REQ_(SCROLL_LINE_UP, "Scroll one line up"), \
675 REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \
676 REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \
677 REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \
679 REQ_GROUP("Searching") \
680 REQ_(SEARCH, "Search the view"), \
681 REQ_(SEARCH_BACK, "Search backwards in the view"), \
682 REQ_(FIND_NEXT, "Find next search match"), \
683 REQ_(FIND_PREV, "Find previous search match"), \
685 REQ_GROUP("Option manipulation") \
686 REQ_(TOGGLE_LINENO, "Toggle line numbers"), \
687 REQ_(TOGGLE_DATE, "Toggle date display"), \
688 REQ_(TOGGLE_AUTHOR, "Toggle author display"), \
689 REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \
690 REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \
693 REQ_(PROMPT, "Bring up the prompt"), \
694 REQ_(SCREEN_REDRAW, "Redraw the screen"), \
695 REQ_(SCREEN_RESIZE, "Resize the screen"), \
696 REQ_(SHOW_VERSION, "Show version information"), \
697 REQ_(STOP_LOADING, "Stop all loading views"), \
698 REQ_(EDIT, "Open in editor"), \
699 REQ_(NONE, "Do nothing")
702 /* User action requests. */
704 #define REQ_GROUP(help)
705 #define REQ_(req, help) REQ_##req
707 /* Offset all requests to avoid conflicts with ncurses getch values. */
708 REQ_OFFSET = KEY_MAX + 1,
715 struct request_info {
716 enum request request;
722 static struct request_info req_info[] = {
723 #define REQ_GROUP(help) { 0, NULL, 0, (help) },
724 #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) }
731 get_request(const char *name)
733 int namelen = strlen(name);
736 for (i = 0; i < ARRAY_SIZE(req_info); i++)
737 if (req_info[i].namelen == namelen &&
738 !string_enum_compare(req_info[i].name, name, namelen))
739 return req_info[i].request;
749 static const char usage[] =
750 "tig " TIG_VERSION " (" __DATE__ ")\n"
752 "Usage: tig [options] [revs] [--] [paths]\n"
753 " or: tig show [options] [revs] [--] [paths]\n"
754 " or: tig blame [rev] path\n"
756 " or: tig < [git command output]\n"
759 " -v, --version Show version and exit\n"
760 " -h, --help Show help message and exit";
762 /* Option and state variables. */
763 static bool opt_date = TRUE;
764 static bool opt_author = TRUE;
765 static bool opt_line_number = FALSE;
766 static bool opt_line_graphics = TRUE;
767 static bool opt_rev_graph = FALSE;
768 static bool opt_show_refs = TRUE;
769 static int opt_num_interval = NUMBER_INTERVAL;
770 static int opt_tab_size = TAB_SIZE;
771 static int opt_author_cols = AUTHOR_COLS-1;
772 static char opt_path[SIZEOF_STR] = "";
773 static char opt_file[SIZEOF_STR] = "";
774 static char opt_ref[SIZEOF_REF] = "";
775 static char opt_head[SIZEOF_REF] = "";
776 static char opt_head_rev[SIZEOF_REV] = "";
777 static char opt_remote[SIZEOF_REF] = "";
778 static char opt_encoding[20] = "UTF-8";
779 static bool opt_utf8 = TRUE;
780 static char opt_codeset[20] = "UTF-8";
781 static iconv_t opt_iconv = ICONV_NONE;
782 static char opt_search[SIZEOF_STR] = "";
783 static char opt_cdup[SIZEOF_STR] = "";
784 static char opt_git_dir[SIZEOF_STR] = "";
785 static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */
786 static char opt_editor[SIZEOF_STR] = "";
787 static FILE *opt_tty = NULL;
789 #define is_initial_commit() (!*opt_head_rev)
790 #define is_head_commit(rev) (!strcmp((rev), "HEAD") || !strcmp(opt_head_rev, (rev)))
793 parse_options(int argc, const char *argv[], const char ***run_argv)
795 enum request request = REQ_VIEW_MAIN;
796 const char *subcommand;
797 bool seen_dashdash = FALSE;
798 /* XXX: This is vulnerable to the user overriding options
799 * required for the main view parser. */
800 const char *custom_argv[SIZEOF_ARG] = {
801 "git", "log", "--no-color", "--pretty=raw", "--parents",
806 if (!isatty(STDIN_FILENO))
807 return REQ_VIEW_PAGER;
810 return REQ_VIEW_MAIN;
812 subcommand = argv[1];
813 if (!strcmp(subcommand, "status") || !strcmp(subcommand, "-S")) {
814 if (!strcmp(subcommand, "-S"))
815 warn("`-S' has been deprecated; use `tig status' instead");
817 warn("ignoring arguments after `%s'", subcommand);
818 return REQ_VIEW_STATUS;
820 } else if (!strcmp(subcommand, "blame")) {
821 if (argc <= 2 || argc > 4)
822 die("invalid number of options to blame\n\n%s", usage);
826 string_ncopy(opt_ref, argv[i], strlen(argv[i]));
830 string_ncopy(opt_file, argv[i], strlen(argv[i]));
831 return REQ_VIEW_BLAME;
833 } else if (!strcmp(subcommand, "show")) {
834 request = REQ_VIEW_DIFF;
836 } else if (!strcmp(subcommand, "log") || !strcmp(subcommand, "diff")) {
837 request = subcommand[0] == 'l' ? REQ_VIEW_LOG : REQ_VIEW_DIFF;
838 warn("`tig %s' has been deprecated", subcommand);
845 custom_argv[1] = subcommand;
849 for (i = 1 + !!subcommand; i < argc; i++) {
850 const char *opt = argv[i];
852 if (seen_dashdash || !strcmp(opt, "--")) {
853 seen_dashdash = TRUE;
855 } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
856 printf("tig version %s\n", TIG_VERSION);
859 } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
860 printf("%s\n", usage);
864 custom_argv[j++] = opt;
865 if (j >= ARRAY_SIZE(custom_argv))
866 die("command too long");
869 custom_argv[j] = NULL;
870 *run_argv = custom_argv;
877 * Line-oriented content detection.
881 LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
882 LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
883 LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \
884 LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \
885 LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \
886 LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
887 LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
888 LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
889 LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
890 LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \
891 LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \
892 LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
893 LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
894 LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
895 LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \
896 LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
897 LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \
898 LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
899 LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
900 LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \
901 LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \
902 LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \
903 LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \
904 LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
905 LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \
906 LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
907 LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
908 LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
909 LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
910 LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \
911 LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
912 LINE(DELIMITER, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
913 LINE(DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \
914 LINE(LINE_NUMBER, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
915 LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \
916 LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \
917 LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
918 LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
919 LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \
920 LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
921 LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
922 LINE(MAIN_TRACKED, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \
923 LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
924 LINE(MAIN_HEAD, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
925 LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
926 LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
927 LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
928 LINE(STAT_HEAD, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
929 LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
930 LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
931 LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
932 LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
933 LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
934 LINE(BLAME_ID, "", COLOR_MAGENTA, COLOR_DEFAULT, 0)
937 #define LINE(type, line, fg, bg, attr) \
945 const char *name; /* Option name. */
946 int namelen; /* Size of option name. */
947 const char *line; /* The start of line to match. */
948 int linelen; /* Size of string to match. */
949 int fg, bg, attr; /* Color and text attributes for the lines. */
952 static struct line_info line_info[] = {
953 #define LINE(type, line, fg, bg, attr) \
954 { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) }
959 static enum line_type
960 get_line_type(const char *line)
962 int linelen = strlen(line);
965 for (type = 0; type < ARRAY_SIZE(line_info); type++)
966 /* Case insensitive search matches Signed-off-by lines better. */
967 if (linelen >= line_info[type].linelen &&
968 !strncasecmp(line_info[type].line, line, line_info[type].linelen))
975 get_line_attr(enum line_type type)
977 assert(type < ARRAY_SIZE(line_info));
978 return COLOR_PAIR(type) | line_info[type].attr;
981 static struct line_info *
982 get_line_info(const char *name)
984 size_t namelen = strlen(name);
987 for (type = 0; type < ARRAY_SIZE(line_info); type++)
988 if (namelen == line_info[type].namelen &&
989 !string_enum_compare(line_info[type].name, name, namelen))
990 return &line_info[type];
998 int default_bg = line_info[LINE_DEFAULT].bg;
999 int default_fg = line_info[LINE_DEFAULT].fg;
1000 enum line_type type;
1004 if (assume_default_colors(default_fg, default_bg) == ERR) {
1005 default_bg = COLOR_BLACK;
1006 default_fg = COLOR_WHITE;
1009 for (type = 0; type < ARRAY_SIZE(line_info); type++) {
1010 struct line_info *info = &line_info[type];
1011 int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg;
1012 int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg;
1014 init_pair(type, fg, bg);
1019 enum line_type type;
1022 unsigned int selected:1;
1023 unsigned int dirty:1;
1024 unsigned int cleareol:1;
1026 void *data; /* User data */
1036 enum request request;
1039 static struct keybinding default_keybindings[] = {
1040 /* View switching */
1041 { 'm', REQ_VIEW_MAIN },
1042 { 'd', REQ_VIEW_DIFF },
1043 { 'l', REQ_VIEW_LOG },
1044 { 't', REQ_VIEW_TREE },
1045 { 'f', REQ_VIEW_BLOB },
1046 { 'B', REQ_VIEW_BLAME },
1047 { 'p', REQ_VIEW_PAGER },
1048 { 'h', REQ_VIEW_HELP },
1049 { 'S', REQ_VIEW_STATUS },
1050 { 'c', REQ_VIEW_STAGE },
1052 /* View manipulation */
1053 { 'q', REQ_VIEW_CLOSE },
1054 { KEY_TAB, REQ_VIEW_NEXT },
1055 { KEY_RETURN, REQ_ENTER },
1056 { KEY_UP, REQ_PREVIOUS },
1057 { KEY_DOWN, REQ_NEXT },
1058 { 'R', REQ_REFRESH },
1059 { KEY_F(5), REQ_REFRESH },
1060 { 'O', REQ_MAXIMIZE },
1062 /* Cursor navigation */
1063 { 'k', REQ_MOVE_UP },
1064 { 'j', REQ_MOVE_DOWN },
1065 { KEY_HOME, REQ_MOVE_FIRST_LINE },
1066 { KEY_END, REQ_MOVE_LAST_LINE },
1067 { KEY_NPAGE, REQ_MOVE_PAGE_DOWN },
1068 { ' ', REQ_MOVE_PAGE_DOWN },
1069 { KEY_PPAGE, REQ_MOVE_PAGE_UP },
1070 { 'b', REQ_MOVE_PAGE_UP },
1071 { '-', REQ_MOVE_PAGE_UP },
1074 { KEY_IC, REQ_SCROLL_LINE_UP },
1075 { KEY_DC, REQ_SCROLL_LINE_DOWN },
1076 { 'w', REQ_SCROLL_PAGE_UP },
1077 { 's', REQ_SCROLL_PAGE_DOWN },
1080 { '/', REQ_SEARCH },
1081 { '?', REQ_SEARCH_BACK },
1082 { 'n', REQ_FIND_NEXT },
1083 { 'N', REQ_FIND_PREV },
1087 { 'z', REQ_STOP_LOADING },
1088 { 'v', REQ_SHOW_VERSION },
1089 { 'r', REQ_SCREEN_REDRAW },
1090 { '.', REQ_TOGGLE_LINENO },
1091 { 'D', REQ_TOGGLE_DATE },
1092 { 'A', REQ_TOGGLE_AUTHOR },
1093 { 'g', REQ_TOGGLE_REV_GRAPH },
1094 { 'F', REQ_TOGGLE_REFS },
1095 { ':', REQ_PROMPT },
1096 { 'u', REQ_STATUS_UPDATE },
1097 { '!', REQ_STATUS_REVERT },
1098 { 'M', REQ_STATUS_MERGE },
1099 { '@', REQ_STAGE_NEXT },
1100 { ',', REQ_TREE_PARENT },
1103 /* Using the ncurses SIGWINCH handler. */
1104 { KEY_RESIZE, REQ_SCREEN_RESIZE },
1107 #define KEYMAP_INFO \
1121 #define KEYMAP_(name) KEYMAP_##name
1126 static struct int_map keymap_table[] = {
1127 #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name }
1132 #define set_keymap(map, name) \
1133 set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name))
1135 struct keybinding_table {
1136 struct keybinding *data;
1140 static struct keybinding_table keybindings[ARRAY_SIZE(keymap_table)];
1143 add_keybinding(enum keymap keymap, enum request request, int key)
1145 struct keybinding_table *table = &keybindings[keymap];
1147 table->data = realloc(table->data, (table->size + 1) * sizeof(*table->data));
1149 die("Failed to allocate keybinding");
1150 table->data[table->size].alias = key;
1151 table->data[table->size++].request = request;
1154 /* Looks for a key binding first in the given map, then in the generic map, and
1155 * lastly in the default keybindings. */
1157 get_keybinding(enum keymap keymap, int key)
1161 for (i = 0; i < keybindings[keymap].size; i++)
1162 if (keybindings[keymap].data[i].alias == key)
1163 return keybindings[keymap].data[i].request;
1165 for (i = 0; i < keybindings[KEYMAP_GENERIC].size; i++)
1166 if (keybindings[KEYMAP_GENERIC].data[i].alias == key)
1167 return keybindings[KEYMAP_GENERIC].data[i].request;
1169 for (i = 0; i < ARRAY_SIZE(default_keybindings); i++)
1170 if (default_keybindings[i].alias == key)
1171 return default_keybindings[i].request;
1173 return (enum request) key;
1182 static struct key key_table[] = {
1183 { "Enter", KEY_RETURN },
1185 { "Backspace", KEY_BACKSPACE },
1187 { "Escape", KEY_ESC },
1188 { "Left", KEY_LEFT },
1189 { "Right", KEY_RIGHT },
1191 { "Down", KEY_DOWN },
1192 { "Insert", KEY_IC },
1193 { "Delete", KEY_DC },
1195 { "Home", KEY_HOME },
1197 { "PageUp", KEY_PPAGE },
1198 { "PageDown", KEY_NPAGE },
1208 { "F10", KEY_F(10) },
1209 { "F11", KEY_F(11) },
1210 { "F12", KEY_F(12) },
1214 get_key_value(const char *name)
1218 for (i = 0; i < ARRAY_SIZE(key_table); i++)
1219 if (!strcasecmp(key_table[i].name, name))
1220 return key_table[i].value;
1222 if (strlen(name) == 1 && isprint(*name))
1229 get_key_name(int key_value)
1231 static char key_char[] = "'X'";
1232 const char *seq = NULL;
1235 for (key = 0; key < ARRAY_SIZE(key_table); key++)
1236 if (key_table[key].value == key_value)
1237 seq = key_table[key].name;
1241 isprint(key_value)) {
1242 key_char[1] = (char) key_value;
1246 return seq ? seq : "(no key)";
1250 get_key(enum request request)
1252 static char buf[BUFSIZ];
1259 for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) {
1260 struct keybinding *keybinding = &default_keybindings[i];
1262 if (keybinding->request != request)
1265 if (!string_format_from(buf, &pos, "%s%s", sep,
1266 get_key_name(keybinding->alias)))
1267 return "Too many keybindings!";
1274 struct run_request {
1277 const char *argv[SIZEOF_ARG];
1280 static struct run_request *run_request;
1281 static size_t run_requests;
1284 add_run_request(enum keymap keymap, int key, int argc, const char **argv)
1286 struct run_request *req;
1288 if (argc >= ARRAY_SIZE(req->argv) - 1)
1291 req = realloc(run_request, (run_requests + 1) * sizeof(*run_request));
1296 req = &run_request[run_requests];
1297 req->keymap = keymap;
1299 req->argv[0] = NULL;
1301 if (!format_argv(req->argv, argv, FORMAT_NONE))
1304 return REQ_NONE + ++run_requests;
1307 static struct run_request *
1308 get_run_request(enum request request)
1310 if (request <= REQ_NONE)
1312 return &run_request[request - REQ_NONE - 1];
1316 add_builtin_run_requests(void)
1318 const char *cherry_pick[] = { "git", "cherry-pick", "%(commit)", NULL };
1319 const char *gc[] = { "git", "gc", NULL };
1326 { KEYMAP_MAIN, 'C', ARRAY_SIZE(cherry_pick) - 1, cherry_pick },
1327 { KEYMAP_GENERIC, 'G', ARRAY_SIZE(gc) - 1, gc },
1331 for (i = 0; i < ARRAY_SIZE(reqs); i++) {
1334 req = add_run_request(reqs[i].keymap, reqs[i].key, reqs[i].argc, reqs[i].argv);
1335 if (req != REQ_NONE)
1336 add_keybinding(reqs[i].keymap, req, reqs[i].key);
1341 * User config file handling.
1344 static struct int_map color_map[] = {
1345 #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name }
1357 #define set_color(color, name) \
1358 set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name))
1360 static struct int_map attr_map[] = {
1361 #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name }
1368 ATTR_MAP(UNDERLINE),
1371 #define set_attribute(attr, name) \
1372 set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name))
1374 static int config_lineno;
1375 static bool config_errors;
1376 static const char *config_msg;
1378 /* Wants: object fgcolor bgcolor [attr] */
1380 option_color_command(int argc, const char *argv[])
1382 struct line_info *info;
1384 if (argc != 3 && argc != 4) {
1385 config_msg = "Wrong number of arguments given to color command";
1389 info = get_line_info(argv[0]);
1391 if (!string_enum_compare(argv[0], "main-delim", strlen("main-delim"))) {
1392 info = get_line_info("delimiter");
1394 } else if (!string_enum_compare(argv[0], "main-date", strlen("main-date"))) {
1395 info = get_line_info("date");
1398 config_msg = "Unknown color name";
1403 if (set_color(&info->fg, argv[1]) == ERR ||
1404 set_color(&info->bg, argv[2]) == ERR) {
1405 config_msg = "Unknown color";
1409 if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) {
1410 config_msg = "Unknown attribute";
1417 static bool parse_bool(const char *s)
1419 return (!strcmp(s, "1") || !strcmp(s, "true") ||
1420 !strcmp(s, "yes")) ? TRUE : FALSE;
1424 parse_int(const char *s, int default_value, int min, int max)
1426 int value = atoi(s);
1428 return (value < min || value > max) ? default_value : value;
1431 /* Wants: name = value */
1433 option_set_command(int argc, const char *argv[])
1436 config_msg = "Wrong number of arguments given to set command";
1440 if (strcmp(argv[1], "=")) {
1441 config_msg = "No value assigned";
1445 if (!strcmp(argv[0], "show-author")) {
1446 opt_author = parse_bool(argv[2]);
1450 if (!strcmp(argv[0], "show-date")) {
1451 opt_date = parse_bool(argv[2]);
1455 if (!strcmp(argv[0], "show-rev-graph")) {
1456 opt_rev_graph = parse_bool(argv[2]);
1460 if (!strcmp(argv[0], "show-refs")) {
1461 opt_show_refs = parse_bool(argv[2]);
1465 if (!strcmp(argv[0], "show-line-numbers")) {
1466 opt_line_number = parse_bool(argv[2]);
1470 if (!strcmp(argv[0], "line-graphics")) {
1471 opt_line_graphics = parse_bool(argv[2]);
1475 if (!strcmp(argv[0], "line-number-interval")) {
1476 opt_num_interval = parse_int(argv[2], opt_num_interval, 1, 1024);
1480 if (!strcmp(argv[0], "author-width")) {
1481 opt_author_cols = parse_int(argv[2], opt_author_cols, 0, 1024);
1485 if (!strcmp(argv[0], "tab-size")) {
1486 opt_tab_size = parse_int(argv[2], opt_tab_size, 1, 1024);
1490 if (!strcmp(argv[0], "commit-encoding")) {
1491 const char *arg = argv[2];
1492 int arglen = strlen(arg);
1497 if (arglen == 1 || arg[arglen - 1] != arg[0]) {
1498 config_msg = "Unmatched quotation";
1501 arg += 1; arglen -= 2;
1503 string_ncopy(opt_encoding, arg, strlen(arg));
1508 config_msg = "Unknown variable name";
1512 /* Wants: mode request key */
1514 option_bind_command(int argc, const char *argv[])
1516 enum request request;
1521 config_msg = "Wrong number of arguments given to bind command";
1525 if (set_keymap(&keymap, argv[0]) == ERR) {
1526 config_msg = "Unknown key map";
1530 key = get_key_value(argv[1]);
1532 config_msg = "Unknown key";
1536 request = get_request(argv[2]);
1537 if (request == REQ_NONE) {
1538 const char *obsolete[] = { "cherry-pick" };
1539 size_t namelen = strlen(argv[2]);
1542 for (i = 0; i < ARRAY_SIZE(obsolete); i++) {
1543 if (namelen == strlen(obsolete[i]) &&
1544 !string_enum_compare(obsolete[i], argv[2], namelen)) {
1545 config_msg = "Obsolete request name";
1550 if (request == REQ_NONE && *argv[2]++ == '!')
1551 request = add_run_request(keymap, key, argc - 2, argv + 2);
1552 if (request == REQ_NONE) {
1553 config_msg = "Unknown request name";
1557 add_keybinding(keymap, request, key);
1563 set_option(const char *opt, char *value)
1565 const char *argv[SIZEOF_ARG];
1568 if (!argv_from_string(argv, &argc, value)) {
1569 config_msg = "Too many option arguments";
1573 if (!strcmp(opt, "color"))
1574 return option_color_command(argc, argv);
1576 if (!strcmp(opt, "set"))
1577 return option_set_command(argc, argv);
1579 if (!strcmp(opt, "bind"))
1580 return option_bind_command(argc, argv);
1582 config_msg = "Unknown option command";
1587 read_option(char *opt, size_t optlen, char *value, size_t valuelen)
1592 config_msg = "Internal error";
1594 /* Check for comment markers, since read_properties() will
1595 * only ensure opt and value are split at first " \t". */
1596 optlen = strcspn(opt, "#");
1600 if (opt[optlen] != 0) {
1601 config_msg = "No option value";
1605 /* Look for comment endings in the value. */
1606 size_t len = strcspn(value, "#");
1608 if (len < valuelen) {
1610 value[valuelen] = 0;
1613 status = set_option(opt, value);
1616 if (status == ERR) {
1617 fprintf(stderr, "Error on line %d, near '%.*s': %s\n",
1618 config_lineno, (int) optlen, opt, config_msg);
1619 config_errors = TRUE;
1622 /* Always keep going if errors are encountered. */
1627 load_option_file(const char *path)
1631 /* It's ok that the file doesn't exist. */
1632 if (!io_open(&io, path))
1636 config_errors = FALSE;
1638 if (read_properties(&io, " \t", read_option) == ERR ||
1639 config_errors == TRUE)
1640 fprintf(stderr, "Errors while loading %s.\n", path);
1646 const char *home = getenv("HOME");
1647 const char *tigrc_user = getenv("TIGRC_USER");
1648 const char *tigrc_system = getenv("TIGRC_SYSTEM");
1649 char buf[SIZEOF_STR];
1651 add_builtin_run_requests();
1653 if (!tigrc_system) {
1654 if (!string_format(buf, "%s/tigrc", SYSCONFDIR))
1658 load_option_file(tigrc_system);
1661 if (!home || !string_format(buf, "%s/.tigrc", home))
1665 load_option_file(tigrc_user);
1678 /* The display array of active views and the index of the current view. */
1679 static struct view *display[2];
1680 static unsigned int current_view;
1682 /* Reading from the prompt? */
1683 static bool input_mode = FALSE;
1685 #define foreach_displayed_view(view, i) \
1686 for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++)
1688 #define displayed_views() (display[1] != NULL ? 2 : 1)
1690 /* Current head and commit ID */
1691 static char ref_blob[SIZEOF_REF] = "";
1692 static char ref_commit[SIZEOF_REF] = "HEAD";
1693 static char ref_head[SIZEOF_REF] = "HEAD";
1696 const char *name; /* View name */
1697 const char *cmd_env; /* Command line set via environment */
1698 const char *id; /* Points to either of ref_{head,commit,blob} */
1700 struct view_ops *ops; /* View operations */
1702 enum keymap keymap; /* What keymap does this view have */
1703 bool git_dir; /* Whether the view requires a git directory. */
1705 char ref[SIZEOF_REF]; /* Hovered commit reference */
1706 char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */
1708 int height, width; /* The width and height of the main window */
1709 WINDOW *win; /* The main window */
1710 WINDOW *title; /* The title window living below the main window */
1713 unsigned long offset; /* Offset of the window top */
1714 unsigned long lineno; /* Current line number */
1717 char grep[SIZEOF_STR]; /* Search string */
1718 regex_t *regex; /* Pre-compiled regex */
1720 /* If non-NULL, points to the view that opened this view. If this view
1721 * is closed tig will switch back to the parent view. */
1722 struct view *parent;
1725 size_t lines; /* Total number of lines */
1726 struct line *line; /* Line index */
1727 size_t line_alloc; /* Total number of allocated lines */
1728 unsigned int digits; /* Number of digits in the lines member. */
1731 struct line *curline; /* Line currently being drawn. */
1732 enum line_type curtype; /* Attribute currently used for drawing. */
1733 unsigned long col; /* Column when drawing. */
1743 /* What type of content being displayed. Used in the title bar. */
1745 /* Default command arguments. */
1747 /* Open and reads in all view content. */
1748 bool (*open)(struct view *view);
1749 /* Read one line; updates view->line. */
1750 bool (*read)(struct view *view, char *data);
1751 /* Draw one line; @lineno must be < view->height. */
1752 bool (*draw)(struct view *view, struct line *line, unsigned int lineno);
1753 /* Depending on view handle a special requests. */
1754 enum request (*request)(struct view *view, enum request request, struct line *line);
1755 /* Search for regex in a line. */
1756 bool (*grep)(struct view *view, struct line *line);
1758 void (*select)(struct view *view, struct line *line);
1761 static struct view_ops blame_ops;
1762 static struct view_ops blob_ops;
1763 static struct view_ops diff_ops;
1764 static struct view_ops help_ops;
1765 static struct view_ops log_ops;
1766 static struct view_ops main_ops;
1767 static struct view_ops pager_ops;
1768 static struct view_ops stage_ops;
1769 static struct view_ops status_ops;
1770 static struct view_ops tree_ops;
1772 #define VIEW_STR(name, env, ref, ops, map, git) \
1773 { name, #env, ref, ops, map, git }
1775 #define VIEW_(id, name, ops, git, ref) \
1776 VIEW_STR(name, TIG_##id##_CMD, ref, ops, KEYMAP_##id, git)
1779 static struct view views[] = {
1780 VIEW_(MAIN, "main", &main_ops, TRUE, ref_head),
1781 VIEW_(DIFF, "diff", &diff_ops, TRUE, ref_commit),
1782 VIEW_(LOG, "log", &log_ops, TRUE, ref_head),
1783 VIEW_(TREE, "tree", &tree_ops, TRUE, ref_commit),
1784 VIEW_(BLOB, "blob", &blob_ops, TRUE, ref_blob),
1785 VIEW_(BLAME, "blame", &blame_ops, TRUE, ref_commit),
1786 VIEW_(HELP, "help", &help_ops, FALSE, ""),
1787 VIEW_(PAGER, "pager", &pager_ops, FALSE, "stdin"),
1788 VIEW_(STATUS, "status", &status_ops, TRUE, ""),
1789 VIEW_(STAGE, "stage", &stage_ops, TRUE, ""),
1792 #define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
1793 #define VIEW_REQ(view) ((view) - views + REQ_OFFSET + 1)
1795 #define foreach_view(view, i) \
1796 for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++)
1798 #define view_is_displayed(view) \
1799 (view == display[0] || view == display[1])
1806 static int line_graphics[] = {
1807 /* LINE_GRAPHIC_VLINE: */ '|'
1811 set_view_attr(struct view *view, enum line_type type)
1813 if (!view->curline->selected && view->curtype != type) {
1814 wattrset(view->win, get_line_attr(type));
1815 wchgat(view->win, -1, 0, type, NULL);
1816 view->curtype = type;
1821 draw_chars(struct view *view, enum line_type type, const char *string,
1822 int max_len, bool use_tilde)
1826 int trimmed = FALSE;
1832 len = utf8_length(string, &col, max_len, &trimmed, use_tilde);
1834 col = len = strlen(string);
1835 if (len > max_len) {
1839 col = len = max_len;
1844 set_view_attr(view, type);
1845 waddnstr(view->win, string, len);
1846 if (trimmed && use_tilde) {
1847 set_view_attr(view, LINE_DELIMITER);
1848 waddch(view->win, '~');
1856 draw_space(struct view *view, enum line_type type, int max, int spaces)
1858 static char space[] = " ";
1861 spaces = MIN(max, spaces);
1863 while (spaces > 0) {
1864 int len = MIN(spaces, sizeof(space) - 1);
1866 col += draw_chars(view, type, space, spaces, FALSE);
1874 draw_lineno(struct view *view, unsigned int lineno)
1877 int digits3 = view->digits < 3 ? 3 : view->digits;
1878 int max_number = MIN(digits3, STRING_SIZE(number));
1879 int max = view->width - view->col;
1882 if (max < max_number)
1885 lineno += view->offset + 1;
1886 if (lineno == 1 || (lineno % opt_num_interval) == 0) {
1887 static char fmt[] = "%1ld";
1889 if (view->digits <= 9)
1890 fmt[1] = '0' + digits3;
1892 if (!string_format(number, fmt, lineno))
1894 col = draw_chars(view, LINE_LINE_NUMBER, number, max_number, TRUE);
1896 col = draw_space(view, LINE_LINE_NUMBER, max_number, max_number);
1900 set_view_attr(view, LINE_DEFAULT);
1901 waddch(view->win, line_graphics[LINE_GRAPHIC_VLINE]);
1906 col += draw_space(view, LINE_DEFAULT, max - col, 1);
1909 return view->width - view->col <= 0;
1913 draw_text(struct view *view, enum line_type type, const char *string, bool trim)
1915 view->col += draw_chars(view, type, string, view->width - view->col, trim);
1916 return view->width - view->col <= 0;
1920 draw_graphic(struct view *view, enum line_type type, chtype graphic[], size_t size)
1922 int max = view->width - view->col;
1928 set_view_attr(view, type);
1929 /* Using waddch() instead of waddnstr() ensures that
1930 * they'll be rendered correctly for the cursor line. */
1931 for (i = 0; i < size; i++)
1932 waddch(view->win, graphic[i]);
1936 waddch(view->win, ' ');
1940 return view->width - view->col <= 0;
1944 draw_field(struct view *view, enum line_type type, const char *text, int len, bool trim)
1946 int max = MIN(view->width - view->col, len);
1950 col = draw_chars(view, type, text, max - 1, trim);
1952 col = draw_space(view, type, max - 1, max - 1);
1954 view->col += col + draw_space(view, LINE_DEFAULT, max - col, max - col);
1955 return view->width - view->col <= 0;
1959 draw_date(struct view *view, struct tm *time)
1961 char buf[DATE_COLS];
1966 timelen = strftime(buf, sizeof(buf), DATE_FORMAT, time);
1967 date = timelen ? buf : NULL;
1969 return draw_field(view, LINE_DATE, date, DATE_COLS, FALSE);
1973 draw_view_line(struct view *view, unsigned int lineno)
1976 bool selected = (view->offset + lineno == view->lineno);
1979 assert(view_is_displayed(view));
1981 if (view->offset + lineno >= view->lines)
1984 line = &view->line[view->offset + lineno];
1986 wmove(view->win, lineno, 0);
1988 wclrtoeol(view->win);
1990 view->curline = line;
1991 view->curtype = LINE_NONE;
1992 line->selected = FALSE;
1993 line->dirty = line->cleareol = 0;
1996 set_view_attr(view, LINE_CURSOR);
1997 line->selected = TRUE;
1998 view->ops->select(view, line);
2001 scrollok(view->win, FALSE);
2002 draw_ok = view->ops->draw(view, line, lineno);
2003 scrollok(view->win, TRUE);
2009 redraw_view_dirty(struct view *view)
2014 for (lineno = 0; lineno < view->height; lineno++) {
2015 if (view->offset + lineno >= view->lines)
2017 if (!view->line[view->offset + lineno].dirty)
2020 if (!draw_view_line(view, lineno))
2026 redrawwin(view->win);
2028 wnoutrefresh(view->win);
2030 wrefresh(view->win);
2034 redraw_view_from(struct view *view, int lineno)
2036 assert(0 <= lineno && lineno < view->height);
2038 for (; lineno < view->height; lineno++) {
2039 if (!draw_view_line(view, lineno))
2043 redrawwin(view->win);
2045 wnoutrefresh(view->win);
2047 wrefresh(view->win);
2051 redraw_view(struct view *view)
2054 redraw_view_from(view, 0);
2059 update_view_title(struct view *view)
2061 char buf[SIZEOF_STR];
2062 char state[SIZEOF_STR];
2063 size_t bufpos = 0, statelen = 0;
2065 assert(view_is_displayed(view));
2067 if (view != VIEW(REQ_VIEW_STATUS) && view->lines) {
2068 unsigned int view_lines = view->offset + view->height;
2069 unsigned int lines = view->lines
2070 ? MIN(view_lines, view->lines) * 100 / view->lines
2073 string_format_from(state, &statelen, " - %s %d of %d (%d%%)",
2082 time_t secs = time(NULL) - view->start_time;
2084 /* Three git seconds are a long time ... */
2086 string_format_from(state, &statelen, " loading %lds", secs);
2089 string_format_from(buf, &bufpos, "[%s]", view->name);
2090 if (*view->ref && bufpos < view->width) {
2091 size_t refsize = strlen(view->ref);
2092 size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen;
2094 if (minsize < view->width)
2095 refsize = view->width - minsize + 7;
2096 string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref);
2099 if (statelen && bufpos < view->width) {
2100 string_format_from(buf, &bufpos, "%s", state);
2103 if (view == display[current_view])
2104 wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS));
2106 wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR));
2108 mvwaddnstr(view->title, 0, 0, buf, bufpos);
2109 wclrtoeol(view->title);
2110 wmove(view->title, 0, view->width - 1);
2113 wnoutrefresh(view->title);
2115 wrefresh(view->title);
2119 resize_display(void)
2122 struct view *base = display[0];
2123 struct view *view = display[1] ? display[1] : display[0];
2125 /* Setup window dimensions */
2127 getmaxyx(stdscr, base->height, base->width);
2129 /* Make room for the status window. */
2133 /* Horizontal split. */
2134 view->width = base->width;
2135 view->height = SCALE_SPLIT_VIEW(base->height);
2136 base->height -= view->height;
2138 /* Make room for the title bar. */
2142 /* Make room for the title bar. */
2147 foreach_displayed_view (view, i) {
2149 view->win = newwin(view->height, 0, offset, 0);
2151 die("Failed to create %s view", view->name);
2153 scrollok(view->win, TRUE);
2155 view->title = newwin(1, 0, offset + view->height, 0);
2157 die("Failed to create title window");
2160 wresize(view->win, view->height, view->width);
2161 mvwin(view->win, offset, 0);
2162 mvwin(view->title, offset + view->height, 0);
2165 offset += view->height + 1;
2170 redraw_display(void)
2175 foreach_displayed_view (view, i) {
2177 update_view_title(view);
2182 update_display_cursor(struct view *view)
2184 /* Move the cursor to the right-most column of the cursor line.
2186 * XXX: This could turn out to be a bit expensive, but it ensures that
2187 * the cursor does not jump around. */
2189 wmove(view->win, view->lineno - view->offset, view->width - 1);
2190 wrefresh(view->win);
2198 /* Scrolling backend */
2200 do_scroll_view(struct view *view, int lines)
2202 bool redraw_current_line = FALSE;
2204 /* The rendering expects the new offset. */
2205 view->offset += lines;
2207 assert(0 <= view->offset && view->offset < view->lines);
2210 /* Move current line into the view. */
2211 if (view->lineno < view->offset) {
2212 view->lineno = view->offset;
2213 redraw_current_line = TRUE;
2214 } else if (view->lineno >= view->offset + view->height) {
2215 view->lineno = view->offset + view->height - 1;
2216 redraw_current_line = TRUE;
2219 assert(view->offset <= view->lineno && view->lineno < view->lines);
2221 /* Redraw the whole screen if scrolling is pointless. */
2222 if (view->height < ABS(lines)) {
2226 int line = lines > 0 ? view->height - lines : 0;
2227 int end = line + ABS(lines);
2229 wscrl(view->win, lines);
2231 for (; line < end; line++) {
2232 if (!draw_view_line(view, line))
2236 if (redraw_current_line)
2237 draw_view_line(view, view->lineno - view->offset);
2240 redrawwin(view->win);
2241 wrefresh(view->win);
2245 /* Scroll frontend */
2247 scroll_view(struct view *view, enum request request)
2251 assert(view_is_displayed(view));
2254 case REQ_SCROLL_PAGE_DOWN:
2255 lines = view->height;
2256 case REQ_SCROLL_LINE_DOWN:
2257 if (view->offset + lines > view->lines)
2258 lines = view->lines - view->offset;
2260 if (lines == 0 || view->offset + view->height >= view->lines) {
2261 report("Cannot scroll beyond the last line");
2266 case REQ_SCROLL_PAGE_UP:
2267 lines = view->height;
2268 case REQ_SCROLL_LINE_UP:
2269 if (lines > view->offset)
2270 lines = view->offset;
2273 report("Cannot scroll beyond the first line");
2281 die("request %d not handled in switch", request);
2284 do_scroll_view(view, lines);
2289 move_view(struct view *view, enum request request)
2291 int scroll_steps = 0;
2295 case REQ_MOVE_FIRST_LINE:
2296 steps = -view->lineno;
2299 case REQ_MOVE_LAST_LINE:
2300 steps = view->lines - view->lineno - 1;
2303 case REQ_MOVE_PAGE_UP:
2304 steps = view->height > view->lineno
2305 ? -view->lineno : -view->height;
2308 case REQ_MOVE_PAGE_DOWN:
2309 steps = view->lineno + view->height >= view->lines
2310 ? view->lines - view->lineno - 1 : view->height;
2322 die("request %d not handled in switch", request);
2325 if (steps <= 0 && view->lineno == 0) {
2326 report("Cannot move beyond the first line");
2329 } else if (steps >= 0 && view->lineno + 1 >= view->lines) {
2330 report("Cannot move beyond the last line");
2334 /* Move the current line */
2335 view->lineno += steps;
2336 assert(0 <= view->lineno && view->lineno < view->lines);
2338 /* Check whether the view needs to be scrolled */
2339 if (view->lineno < view->offset ||
2340 view->lineno >= view->offset + view->height) {
2341 scroll_steps = steps;
2342 if (steps < 0 && -steps > view->offset) {
2343 scroll_steps = -view->offset;
2345 } else if (steps > 0) {
2346 if (view->lineno == view->lines - 1 &&
2347 view->lines > view->height) {
2348 scroll_steps = view->lines - view->offset - 1;
2349 if (scroll_steps >= view->height)
2350 scroll_steps -= view->height - 1;
2355 if (!view_is_displayed(view)) {
2356 view->offset += scroll_steps;
2357 assert(0 <= view->offset && view->offset < view->lines);
2358 view->ops->select(view, &view->line[view->lineno]);
2362 /* Repaint the old "current" line if we be scrolling */
2363 if (ABS(steps) < view->height)
2364 draw_view_line(view, view->lineno - steps - view->offset);
2367 do_scroll_view(view, scroll_steps);
2371 /* Draw the current line */
2372 draw_view_line(view, view->lineno - view->offset);
2374 redrawwin(view->win);
2375 wrefresh(view->win);
2384 static void search_view(struct view *view, enum request request);
2387 find_next_line(struct view *view, unsigned long lineno, struct line *line)
2389 assert(view_is_displayed(view));
2391 if (!view->ops->grep(view, line))
2394 if (lineno - view->offset >= view->height) {
2395 view->offset = lineno;
2396 view->lineno = lineno;
2400 unsigned long old_lineno = view->lineno - view->offset;
2402 view->lineno = lineno;
2403 draw_view_line(view, old_lineno);
2405 draw_view_line(view, view->lineno - view->offset);
2406 redrawwin(view->win);
2407 wrefresh(view->win);
2410 report("Line %ld matches '%s'", lineno + 1, view->grep);
2415 find_next(struct view *view, enum request request)
2417 unsigned long lineno = view->lineno;
2422 report("No previous search");
2424 search_view(view, request);
2434 case REQ_SEARCH_BACK:
2443 if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV)
2444 lineno += direction;
2446 /* Note, lineno is unsigned long so will wrap around in which case it
2447 * will become bigger than view->lines. */
2448 for (; lineno < view->lines; lineno += direction) {
2449 struct line *line = &view->line[lineno];
2451 if (find_next_line(view, lineno, line))
2455 report("No match found for '%s'", view->grep);
2459 search_view(struct view *view, enum request request)
2464 regfree(view->regex);
2467 view->regex = calloc(1, sizeof(*view->regex));
2472 regex_err = regcomp(view->regex, opt_search, REG_EXTENDED);
2473 if (regex_err != 0) {
2474 char buf[SIZEOF_STR] = "unknown error";
2476 regerror(regex_err, view->regex, buf, sizeof(buf));
2477 report("Search failed: %s", buf);
2481 string_copy(view->grep, opt_search);
2483 find_next(view, request);
2487 * Incremental updating
2491 reset_view(struct view *view)
2495 for (i = 0; i < view->lines; i++)
2496 free(view->line[i].data);
2503 view->line_alloc = 0;
2505 view->update_secs = 0;
2509 free_argv(const char *argv[])
2513 for (argc = 0; argv[argc]; argc++)
2514 free((void *) argv[argc]);
2518 format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags flags)
2520 char buf[SIZEOF_STR];
2522 bool noreplace = flags == FORMAT_NONE;
2524 free_argv(dst_argv);
2526 for (argc = 0; src_argv[argc]; argc++) {
2527 const char *arg = src_argv[argc];
2531 char *next = strstr(arg, "%(");
2532 int len = next - arg;
2535 if (!next || noreplace) {
2536 if (flags == FORMAT_DASH && !strcmp(arg, "--"))
2541 } else if (!prefixcmp(next, "%(directory)")) {
2544 } else if (!prefixcmp(next, "%(file)")) {
2547 } else if (!prefixcmp(next, "%(ref)")) {
2548 value = *opt_ref ? opt_ref : "HEAD";
2550 } else if (!prefixcmp(next, "%(head)")) {
2553 } else if (!prefixcmp(next, "%(commit)")) {
2556 } else if (!prefixcmp(next, "%(blob)")) {
2560 report("Unknown replacement: `%s`", next);
2564 if (!string_format_from(buf, &bufpos, "%.*s%s", len, arg, value))
2567 arg = next && !noreplace ? strchr(next, ')') + 1 : NULL;
2570 dst_argv[argc] = strdup(buf);
2571 if (!dst_argv[argc])
2575 dst_argv[argc] = NULL;
2577 return src_argv[argc] == NULL;
2581 end_update(struct view *view, bool force)
2585 while (!view->ops->read(view, NULL))
2588 set_nonblocking_input(FALSE);
2590 kill_io(view->pipe);
2591 done_io(view->pipe);
2596 setup_update(struct view *view, const char *vid)
2598 set_nonblocking_input(TRUE);
2600 string_copy_rev(view->vid, vid);
2601 view->pipe = &view->io;
2602 view->start_time = time(NULL);
2606 prepare_update(struct view *view, const char *argv[], const char *dir,
2607 enum format_flags flags)
2610 end_update(view, TRUE);
2611 return init_io_rd(&view->io, argv, dir, flags);
2615 prepare_update_file(struct view *view, const char *name)
2618 end_update(view, TRUE);
2619 return io_open(&view->io, name);
2623 begin_update(struct view *view, bool refresh)
2626 if (!start_io(&view->io))
2630 if (view == VIEW(REQ_VIEW_TREE) && strcmp(view->vid, view->id))
2633 if (!run_io_rd(&view->io, view->ops->argv, FORMAT_ALL))
2636 /* Put the current ref_* value to the view title ref
2637 * member. This is needed by the blob view. Most other
2638 * views sets it automatically after loading because the
2639 * first line is a commit line. */
2640 string_copy_rev(view->ref, view->id);
2643 setup_update(view, view->id);
2648 #define ITEM_CHUNK_SIZE 256
2650 realloc_items(void *mem, size_t *size, size_t new_size, size_t item_size)
2652 size_t num_chunks = *size / ITEM_CHUNK_SIZE;
2653 size_t num_chunks_new = (new_size + ITEM_CHUNK_SIZE - 1) / ITEM_CHUNK_SIZE;
2655 if (mem == NULL || num_chunks != num_chunks_new) {
2656 *size = num_chunks_new * ITEM_CHUNK_SIZE;
2657 mem = realloc(mem, *size * item_size);
2663 static struct line *
2664 realloc_lines(struct view *view, size_t line_size)
2666 size_t alloc = view->line_alloc;
2667 struct line *tmp = realloc_items(view->line, &alloc, line_size,
2668 sizeof(*view->line));
2674 view->line_alloc = alloc;
2679 update_view(struct view *view)
2681 char out_buffer[BUFSIZ * 2];
2683 /* Clear the view and redraw everything since the tree sorting
2684 * might have rearranged things. */
2685 bool redraw = view->lines == 0;
2686 bool can_read = TRUE;
2691 if (!io_can_read(view->pipe)) {
2692 if (view->lines == 0) {
2693 time_t secs = time(NULL) - view->start_time;
2695 if (secs > view->update_secs) {
2696 if (view->update_secs == 0)
2698 update_view_title(view);
2699 view->update_secs = secs;
2705 for (; (line = io_get(view->pipe, '\n', can_read)); can_read = FALSE) {
2706 size_t linelen = strlen(line);
2708 if (opt_iconv != ICONV_NONE) {
2709 ICONV_CONST char *inbuf = line;
2710 size_t inlen = linelen;
2712 char *outbuf = out_buffer;
2713 size_t outlen = sizeof(out_buffer);
2717 ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen);
2718 if (ret != (size_t) -1) {
2720 linelen = strlen(out_buffer);
2724 if (!view->ops->read(view, line))
2729 unsigned long lines = view->lines;
2732 for (digits = 0; lines; digits++)
2735 /* Keep the displayed view in sync with line number scaling. */
2736 if (digits != view->digits) {
2737 view->digits = digits;
2738 if (opt_line_number || view == VIEW(REQ_VIEW_BLAME))
2743 if (io_error(view->pipe)) {
2744 report("Failed to read: %s", io_strerror(view->pipe));
2745 end_update(view, TRUE);
2747 } else if (io_eof(view->pipe)) {
2749 end_update(view, FALSE);
2752 if (!view_is_displayed(view))
2758 redraw_view_dirty(view);
2760 /* Update the title _after_ the redraw so that if the redraw picks up a
2761 * commit reference in view->ref it'll be available here. */
2762 update_view_title(view);
2766 report("Allocation failure");
2767 end_update(view, TRUE);
2771 static struct line *
2772 add_line_data(struct view *view, void *data, enum line_type type)
2776 if (!realloc_lines(view, view->lines + 1))
2779 line = &view->line[view->lines++];
2780 memset(line, 0, sizeof(*line));
2788 static struct line *
2789 add_line_text(struct view *view, const char *text, enum line_type type)
2791 char *data = text ? strdup(text) : NULL;
2793 return data ? add_line_data(view, data, type) : NULL;
2796 static struct line *
2797 add_line_format(struct view *view, enum line_type type, const char *fmt, ...)
2799 char buf[SIZEOF_STR];
2802 va_start(args, fmt);
2803 if (vsnprintf(buf, sizeof(buf), fmt, args) >= sizeof(buf))
2807 return buf[0] ? add_line_text(view, buf, type) : NULL;
2815 OPEN_DEFAULT = 0, /* Use default view switching. */
2816 OPEN_SPLIT = 1, /* Split current view. */
2817 OPEN_BACKGROUNDED = 2, /* Backgrounded. */
2818 OPEN_RELOAD = 4, /* Reload view even if it is the current. */
2819 OPEN_NOMAXIMIZE = 8, /* Do not maximize the current view. */
2820 OPEN_REFRESH = 16, /* Refresh view using previous command. */
2821 OPEN_PREPARED = 32, /* Open already prepared command. */
2825 open_view(struct view *prev, enum request request, enum open_flags flags)
2827 bool backgrounded = !!(flags & OPEN_BACKGROUNDED);
2828 bool split = !!(flags & OPEN_SPLIT);
2829 bool reload = !!(flags & (OPEN_RELOAD | OPEN_REFRESH | OPEN_PREPARED));
2830 bool nomaximize = !!(flags & (OPEN_NOMAXIMIZE | OPEN_REFRESH));
2831 struct view *view = VIEW(request);
2832 int nviews = displayed_views();
2833 struct view *base_view = display[0];
2835 if (view == prev && nviews == 1 && !reload) {
2836 report("Already in %s view", view->name);
2840 if (view->git_dir && !opt_git_dir[0]) {
2841 report("The %s view is disabled in pager view", view->name);
2849 } else if (!nomaximize) {
2850 /* Maximize the current view. */
2851 memset(display, 0, sizeof(display));
2853 display[current_view] = view;
2856 /* Resize the view when switching between split- and full-screen,
2857 * or when switching between two different full-screen views. */
2858 if (nviews != displayed_views() ||
2859 (nviews == 1 && base_view != display[0]))
2863 end_update(view, TRUE);
2865 if (view->ops->open) {
2866 if (!view->ops->open(view)) {
2867 report("Failed to load %s view", view->name);
2871 } else if ((reload || strcmp(view->vid, view->id)) &&
2872 !begin_update(view, flags & (OPEN_REFRESH | OPEN_PREPARED))) {
2873 report("Failed to load %s view", view->name);
2877 if (split && prev->lineno - prev->offset >= prev->height) {
2878 /* Take the title line into account. */
2879 int lines = prev->lineno - prev->offset - prev->height + 1;
2881 /* Scroll the view that was split if the current line is
2882 * outside the new limited view. */
2883 do_scroll_view(prev, lines);
2886 if (prev && view != prev) {
2887 if (split && !backgrounded) {
2888 /* "Blur" the previous view. */
2889 update_view_title(prev);
2892 view->parent = prev;
2895 if (view->pipe && view->lines == 0) {
2896 /* Clear the old view and let the incremental updating refill
2900 } else if (view_is_displayed(view)) {
2905 /* If the view is backgrounded the above calls to report()
2906 * won't redraw the view title. */
2908 update_view_title(view);
2912 open_external_viewer(const char *argv[], const char *dir)
2914 def_prog_mode(); /* save current tty modes */
2915 endwin(); /* restore original tty modes */
2916 run_io_fg(argv, dir);
2917 fprintf(stderr, "Press Enter to continue");
2924 open_mergetool(const char *file)
2926 const char *mergetool_argv[] = { "git", "mergetool", file, NULL };
2928 open_external_viewer(mergetool_argv, opt_cdup);
2932 open_editor(bool from_root, const char *file)
2934 const char *editor_argv[] = { "vi", file, NULL };
2937 editor = getenv("GIT_EDITOR");
2938 if (!editor && *opt_editor)
2939 editor = opt_editor;
2941 editor = getenv("VISUAL");
2943 editor = getenv("EDITOR");
2947 editor_argv[0] = editor;
2948 open_external_viewer(editor_argv, from_root ? opt_cdup : NULL);
2952 open_run_request(enum request request)
2954 struct run_request *req = get_run_request(request);
2955 const char *argv[ARRAY_SIZE(req->argv)] = { NULL };
2958 report("Unknown run request");
2962 if (format_argv(argv, req->argv, FORMAT_ALL))
2963 open_external_viewer(argv, NULL);
2968 * User request switch noodle
2972 view_driver(struct view *view, enum request request)
2976 if (request == REQ_NONE) {
2981 if (request > REQ_NONE) {
2982 open_run_request(request);
2983 /* FIXME: When all views can refresh always do this. */
2984 if (view == VIEW(REQ_VIEW_STATUS) ||
2985 view == VIEW(REQ_VIEW_MAIN) ||
2986 view == VIEW(REQ_VIEW_LOG) ||
2987 view == VIEW(REQ_VIEW_STAGE))
2988 request = REQ_REFRESH;
2993 if (view && view->lines) {
2994 request = view->ops->request(view, request, &view->line[view->lineno]);
2995 if (request == REQ_NONE)
3002 case REQ_MOVE_PAGE_UP:
3003 case REQ_MOVE_PAGE_DOWN:
3004 case REQ_MOVE_FIRST_LINE:
3005 case REQ_MOVE_LAST_LINE:
3006 move_view(view, request);
3009 case REQ_SCROLL_LINE_DOWN:
3010 case REQ_SCROLL_LINE_UP:
3011 case REQ_SCROLL_PAGE_DOWN:
3012 case REQ_SCROLL_PAGE_UP:
3013 scroll_view(view, request);
3016 case REQ_VIEW_BLAME:
3018 report("No file chosen, press %s to open tree view",
3019 get_key(REQ_VIEW_TREE));
3022 open_view(view, request, OPEN_DEFAULT);
3027 report("No file chosen, press %s to open tree view",
3028 get_key(REQ_VIEW_TREE));
3031 open_view(view, request, OPEN_DEFAULT);
3034 case REQ_VIEW_PAGER:
3035 if (!VIEW(REQ_VIEW_PAGER)->pipe && !VIEW(REQ_VIEW_PAGER)->lines) {
3036 report("No pager content, press %s to run command from prompt",
3037 get_key(REQ_PROMPT));
3040 open_view(view, request, OPEN_DEFAULT);
3043 case REQ_VIEW_STAGE:
3044 if (!VIEW(REQ_VIEW_STAGE)->lines) {
3045 report("No stage content, press %s to open the status view and choose file",
3046 get_key(REQ_VIEW_STATUS));
3049 open_view(view, request, OPEN_DEFAULT);
3052 case REQ_VIEW_STATUS:
3053 if (opt_is_inside_work_tree == FALSE) {
3054 report("The status view requires a working tree");
3057 open_view(view, request, OPEN_DEFAULT);
3065 open_view(view, request, OPEN_DEFAULT);
3070 request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP;
3072 if ((view == VIEW(REQ_VIEW_DIFF) &&
3073 view->parent == VIEW(REQ_VIEW_MAIN)) ||
3074 (view == VIEW(REQ_VIEW_DIFF) &&
3075 view->parent == VIEW(REQ_VIEW_BLAME)) ||
3076 (view == VIEW(REQ_VIEW_STAGE) &&
3077 view->parent == VIEW(REQ_VIEW_STATUS)) ||
3078 (view == VIEW(REQ_VIEW_BLOB) &&
3079 view->parent == VIEW(REQ_VIEW_TREE))) {
3082 view = view->parent;
3083 line = view->lineno;
3084 move_view(view, request);
3085 if (view_is_displayed(view))
3086 update_view_title(view);
3087 if (line != view->lineno)
3088 view->ops->request(view, REQ_ENTER,
3089 &view->line[view->lineno]);
3092 move_view(view, request);
3098 int nviews = displayed_views();
3099 int next_view = (current_view + 1) % nviews;
3101 if (next_view == current_view) {
3102 report("Only one view is displayed");
3106 current_view = next_view;
3107 /* Blur out the title of the previous view. */
3108 update_view_title(view);
3113 report("Refreshing is not yet supported for the %s view", view->name);
3117 if (displayed_views() == 2)
3118 open_view(view, VIEW_REQ(view), OPEN_DEFAULT);
3121 case REQ_TOGGLE_LINENO:
3122 opt_line_number = !opt_line_number;
3126 case REQ_TOGGLE_DATE:
3127 opt_date = !opt_date;
3131 case REQ_TOGGLE_AUTHOR:
3132 opt_author = !opt_author;
3136 case REQ_TOGGLE_REV_GRAPH:
3137 opt_rev_graph = !opt_rev_graph;
3141 case REQ_TOGGLE_REFS:
3142 opt_show_refs = !opt_show_refs;
3147 case REQ_SEARCH_BACK:
3148 search_view(view, request);
3153 find_next(view, request);
3156 case REQ_STOP_LOADING:
3157 for (i = 0; i < ARRAY_SIZE(views); i++) {
3160 report("Stopped loading the %s view", view->name),
3161 end_update(view, TRUE);
3165 case REQ_SHOW_VERSION:
3166 report("tig-%s (built %s)", TIG_VERSION, __DATE__);
3169 case REQ_SCREEN_RESIZE:
3172 case REQ_SCREEN_REDRAW:
3177 report("Nothing to edit");
3181 report("Nothing to enter");
3184 case REQ_VIEW_CLOSE:
3185 /* XXX: Mark closed views by letting view->parent point to the
3186 * view itself. Parents to closed view should never be
3189 view->parent->parent != view->parent) {
3190 memset(display, 0, sizeof(display));
3192 display[current_view] = view->parent;
3193 view->parent = view;
3204 report("Unknown key, press 'h' for help");
3217 pager_draw(struct view *view, struct line *line, unsigned int lineno)
3219 char *text = line->data;
3221 if (opt_line_number && draw_lineno(view, lineno))
3224 draw_text(view, line->type, text, TRUE);
3229 add_describe_ref(char *buf, size_t *bufpos, const char *commit_id, const char *sep)
3231 const char *describe_argv[] = { "git", "describe", commit_id, NULL };
3232 char refbuf[SIZEOF_STR];
3235 if (run_io_buf(describe_argv, refbuf, sizeof(refbuf)))
3236 ref = chomp_string(refbuf);
3241 /* This is the only fatal call, since it can "corrupt" the buffer. */
3242 if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref))
3249 add_pager_refs(struct view *view, struct line *line)
3251 char buf[SIZEOF_STR];
3252 char *commit_id = (char *)line->data + STRING_SIZE("commit ");
3254 size_t bufpos = 0, refpos = 0;
3255 const char *sep = "Refs: ";
3256 bool is_tag = FALSE;
3258 assert(line->type == LINE_COMMIT);
3260 refs = get_refs(commit_id);
3262 if (view == VIEW(REQ_VIEW_DIFF))
3263 goto try_add_describe_ref;
3268 struct ref *ref = refs[refpos];
3269 const char *fmt = ref->tag ? "%s[%s]" :
3270 ref->remote ? "%s<%s>" : "%s%s";
3272 if (!string_format_from(buf, &bufpos, fmt, sep, ref->name))
3277 } while (refs[refpos++]->next);
3279 if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) {
3280 try_add_describe_ref:
3281 /* Add <tag>-g<commit_id> "fake" reference. */
3282 if (!add_describe_ref(buf, &bufpos, commit_id, sep))
3289 add_line_text(view, buf, LINE_PP_REFS);
3293 pager_read(struct view *view, char *data)
3300 line = add_line_text(view, data, get_line_type(data));
3304 if (line->type == LINE_COMMIT &&
3305 (view == VIEW(REQ_VIEW_DIFF) ||
3306 view == VIEW(REQ_VIEW_LOG)))
3307 add_pager_refs(view, line);
3313 pager_request(struct view *view, enum request request, struct line *line)
3317 if (request != REQ_ENTER)
3320 if (line->type == LINE_COMMIT &&
3321 (view == VIEW(REQ_VIEW_LOG) ||
3322 view == VIEW(REQ_VIEW_PAGER))) {
3323 open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT);
3327 /* Always scroll the view even if it was split. That way
3328 * you can use Enter to scroll through the log view and
3329 * split open each commit diff. */
3330 scroll_view(view, REQ_SCROLL_LINE_DOWN);
3332 /* FIXME: A minor workaround. Scrolling the view will call report("")
3333 * but if we are scrolling a non-current view this won't properly
3334 * update the view title. */
3336 update_view_title(view);
3342 pager_grep(struct view *view, struct line *line)
3345 char *text = line->data;
3350 if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH)
3357 pager_select(struct view *view, struct line *line)
3359 if (line->type == LINE_COMMIT) {
3360 char *text = (char *)line->data + STRING_SIZE("commit ");
3362 if (view != VIEW(REQ_VIEW_PAGER))
3363 string_copy_rev(view->ref, text);
3364 string_copy_rev(ref_commit, text);
3368 static struct view_ops pager_ops = {
3379 static const char *log_argv[SIZEOF_ARG] = {
3380 "git", "log", "--no-color", "--cc", "--stat", "-n100", "%(head)", NULL
3384 log_request(struct view *view, enum request request, struct line *line)
3389 open_view(view, REQ_VIEW_LOG, OPEN_REFRESH);
3392 return pager_request(view, request, line);
3396 static struct view_ops log_ops = {
3407 static const char *diff_argv[SIZEOF_ARG] = {
3408 "git", "show", "--pretty=fuller", "--no-color", "--root",
3409 "--patch-with-stat", "--find-copies-harder", "-C", "%(commit)", NULL
3412 static struct view_ops diff_ops = {
3428 help_open(struct view *view)
3430 int lines = ARRAY_SIZE(req_info) + 2;
3433 if (view->lines > 0)
3436 for (i = 0; i < ARRAY_SIZE(req_info); i++)
3437 if (!req_info[i].request)
3440 lines += run_requests + 1;
3442 view->line = calloc(lines, sizeof(*view->line));
3446 add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT);
3448 for (i = 0; i < ARRAY_SIZE(req_info); i++) {
3451 if (req_info[i].request == REQ_NONE)
3454 if (!req_info[i].request) {
3455 add_line_text(view, "", LINE_DEFAULT);
3456 add_line_text(view, req_info[i].help, LINE_DEFAULT);
3460 key = get_key(req_info[i].request);
3462 key = "(no key defined)";
3464 add_line_format(view, LINE_DEFAULT, " %-25s %s",
3465 key, req_info[i].help);
3469 add_line_text(view, "", LINE_DEFAULT);
3470 add_line_text(view, "External commands:", LINE_DEFAULT);
3473 for (i = 0; i < run_requests; i++) {
3474 struct run_request *req = get_run_request(REQ_NONE + i + 1);
3476 char cmd[SIZEOF_STR];
3483 key = get_key_name(req->key);
3485 key = "(no key defined)";
3487 for (bufpos = 0, argc = 0; req->argv[argc]; argc++)
3488 if (!string_format_from(cmd, &bufpos, "%s%s",
3489 argc ? " " : "", req->argv[argc]))
3492 add_line_format(view, LINE_DEFAULT, " %-10s %-14s `%s`",
3493 keymap_table[req->keymap].name, key, cmd);
3499 static struct view_ops help_ops = {
3515 struct tree_stack_entry {
3516 struct tree_stack_entry *prev; /* Entry below this in the stack */
3517 unsigned long lineno; /* Line number to restore */
3518 char *name; /* Position of name in opt_path */
3521 /* The top of the path stack. */
3522 static struct tree_stack_entry *tree_stack = NULL;
3523 unsigned long tree_lineno = 0;
3526 pop_tree_stack_entry(void)
3528 struct tree_stack_entry *entry = tree_stack;
3530 tree_lineno = entry->lineno;
3532 tree_stack = entry->prev;
3537 push_tree_stack_entry(const char *name, unsigned long lineno)
3539 struct tree_stack_entry *entry = calloc(1, sizeof(*entry));
3540 size_t pathlen = strlen(opt_path);
3545 entry->prev = tree_stack;
3546 entry->name = opt_path + pathlen;
3549 if (!string_format_from(opt_path, &pathlen, "%s/", name)) {
3550 pop_tree_stack_entry();
3554 /* Move the current line to the first tree entry. */
3556 entry->lineno = lineno;
3559 /* Parse output from git-ls-tree(1):
3561 * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile
3562 * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README
3563 * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c
3564 * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf
3567 #define SIZEOF_TREE_ATTR \
3568 STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t")
3570 #define TREE_UP_FORMAT "040000 tree %s\t.."
3573 tree_path(struct line *line)
3575 const char *path = line->data;
3577 return path + SIZEOF_TREE_ATTR;
3581 tree_compare_entry(struct line *line1, struct line *line2)
3583 if (line1->type != line2->type)
3584 return line1->type == LINE_TREE_DIR ? -1 : 1;
3585 return strcmp(tree_path(line1), tree_path(line2));
3589 tree_read(struct view *view, char *text)
3591 size_t textlen = text ? strlen(text) : 0;
3592 struct line *entry, *line;
3593 enum line_type type;
3597 if (textlen <= SIZEOF_TREE_ATTR)
3600 type = text[STRING_SIZE("100644 ")] == 't'
3601 ? LINE_TREE_DIR : LINE_TREE_FILE;
3603 if (view->lines == 0 &&
3604 !add_line_format(view, LINE_DEFAULT, "Directory path /%s", opt_path))
3607 /* Strip the path part ... */
3609 size_t pathlen = textlen - SIZEOF_TREE_ATTR;
3610 size_t striplen = strlen(opt_path);
3611 char *path = text + SIZEOF_TREE_ATTR;
3613 if (pathlen > striplen)
3614 memmove(path, path + striplen,
3615 pathlen - striplen + 1);
3617 /* Insert "link" to parent directory. */
3618 if (view->lines == 1 &&
3619 !add_line_format(view, LINE_TREE_DIR, TREE_UP_FORMAT, view->ref))
3623 entry = add_line_text(view, text, type);
3628 /* Skip "Directory ..." and ".." line. */
3629 for (line = &view->line[1 + !!*opt_path]; line < entry; line++) {
3630 if (tree_compare_entry(line, entry) <= 0)
3633 memmove(line + 1, line, (entry - line) * sizeof(*entry));
3637 for (; line <= entry; line++)
3638 line->dirty = line->cleareol = 1;
3642 if (tree_lineno > view->lineno) {
3643 view->lineno = tree_lineno;
3651 tree_request(struct view *view, enum request request, struct line *line)
3653 enum open_flags flags;
3656 case REQ_VIEW_BLAME:
3657 if (line->type != LINE_TREE_FILE) {
3658 report("Blame only supported for files");
3662 string_copy(opt_ref, view->vid);
3666 if (line->type != LINE_TREE_FILE) {
3667 report("Edit only supported for files");
3668 } else if (!is_head_commit(view->vid)) {
3669 report("Edit only supported for files in the current work tree");
3671 open_editor(TRUE, opt_file);
3675 case REQ_TREE_PARENT:
3677 /* quit view if at top of tree */
3678 return REQ_VIEW_CLOSE;
3681 line = &view->line[1];
3691 /* Cleanup the stack if the tree view is at a different tree. */
3692 while (!*opt_path && tree_stack)
3693 pop_tree_stack_entry();
3695 switch (line->type) {
3697 /* Depending on whether it is a subdir or parent (updir?) link
3698 * mangle the path buffer. */
3699 if (line == &view->line[1] && *opt_path) {
3700 pop_tree_stack_entry();
3703 const char *basename = tree_path(line);
3705 push_tree_stack_entry(basename, view->lineno);
3708 /* Trees and subtrees share the same ID, so they are not not
3709 * unique like blobs. */
3710 flags = OPEN_RELOAD;
3711 request = REQ_VIEW_TREE;
3714 case LINE_TREE_FILE:
3715 flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
3716 request = REQ_VIEW_BLOB;
3723 open_view(view, request, flags);
3724 if (request == REQ_VIEW_TREE) {
3725 view->lineno = tree_lineno;
3732 tree_select(struct view *view, struct line *line)
3734 char *text = (char *)line->data + STRING_SIZE("100644 blob ");
3736 if (line->type == LINE_TREE_FILE) {
3737 string_copy_rev(ref_blob, text);
3738 string_format(opt_file, "%s%s", opt_path, tree_path(line));
3740 } else if (line->type != LINE_TREE_DIR) {
3744 string_copy_rev(view->ref, text);
3747 static const char *tree_argv[SIZEOF_ARG] = {
3748 "git", "ls-tree", "%(commit)", "%(directory)", NULL
3751 static struct view_ops tree_ops = {
3763 blob_read(struct view *view, char *line)
3767 return add_line_text(view, line, LINE_DEFAULT) != NULL;
3770 static const char *blob_argv[SIZEOF_ARG] = {
3771 "git", "cat-file", "blob", "%(blob)", NULL
3774 static struct view_ops blob_ops = {
3788 * Loading the blame view is a two phase job:
3790 * 1. File content is read either using opt_file from the
3791 * filesystem or using git-cat-file.
3792 * 2. Then blame information is incrementally added by
3793 * reading output from git-blame.
3796 static const char *blame_head_argv[] = {
3797 "git", "blame", "--incremental", "--", "%(file)", NULL
3800 static const char *blame_ref_argv[] = {
3801 "git", "blame", "--incremental", "%(ref)", "--", "%(file)", NULL
3804 static const char *blame_cat_file_argv[] = {
3805 "git", "cat-file", "blob", "%(ref):%(file)", NULL
3808 struct blame_commit {
3809 char id[SIZEOF_REV]; /* SHA1 ID. */
3810 char title[128]; /* First line of the commit message. */
3811 char author[75]; /* Author of the commit. */
3812 struct tm time; /* Date from the author ident. */
3813 char filename[128]; /* Name of file. */
3817 struct blame_commit *commit;
3822 blame_open(struct view *view)
3824 if (*opt_ref || !io_open(&view->io, opt_file)) {
3825 if (!run_io_rd(&view->io, blame_cat_file_argv, FORMAT_ALL))
3829 setup_update(view, opt_file);
3830 string_format(view->ref, "%s ...", opt_file);
3835 static struct blame_commit *
3836 get_blame_commit(struct view *view, const char *id)
3840 for (i = 0; i < view->lines; i++) {
3841 struct blame *blame = view->line[i].data;
3846 if (!strncmp(blame->commit->id, id, SIZEOF_REV - 1))
3847 return blame->commit;
3851 struct blame_commit *commit = calloc(1, sizeof(*commit));
3854 string_ncopy(commit->id, id, SIZEOF_REV);
3860 parse_number(const char **posref, size_t *number, size_t min, size_t max)
3862 const char *pos = *posref;
3865 pos = strchr(pos + 1, ' ');
3866 if (!pos || !isdigit(pos[1]))
3868 *number = atoi(pos + 1);
3869 if (*number < min || *number > max)
3876 static struct blame_commit *
3877 parse_blame_commit(struct view *view, const char *text, int *blamed)
3879 struct blame_commit *commit;
3880 struct blame *blame;
3881 const char *pos = text + SIZEOF_REV - 1;
3885 if (strlen(text) <= SIZEOF_REV || *pos != ' ')
3888 if (!parse_number(&pos, &lineno, 1, view->lines) ||
3889 !parse_number(&pos, &group, 1, view->lines - lineno + 1))
3892 commit = get_blame_commit(view, text);
3898 struct line *line = &view->line[lineno + group - 1];
3901 blame->commit = commit;
3909 blame_read_file(struct view *view, const char *line, bool *read_file)
3912 const char **argv = *opt_ref ? blame_ref_argv : blame_head_argv;
3915 if (view->lines == 0 && !view->parent)
3916 die("No blame exist for %s", view->vid);
3918 if (view->lines == 0 || !run_io_rd(&io, argv, FORMAT_ALL)) {
3919 report("Failed to load blame data");
3923 done_io(view->pipe);
3929 size_t linelen = strlen(line);
3930 struct blame *blame = malloc(sizeof(*blame) + linelen);
3932 blame->commit = NULL;
3933 strncpy(blame->text, line, linelen);
3934 blame->text[linelen] = 0;
3935 return add_line_data(view, blame, LINE_BLAME_ID) != NULL;
3940 match_blame_header(const char *name, char **line)
3942 size_t namelen = strlen(name);
3943 bool matched = !strncmp(name, *line, namelen);
3952 blame_read(struct view *view, char *line)
3954 static struct blame_commit *commit = NULL;
3955 static int blamed = 0;
3956 static time_t author_time;
3957 static bool read_file = TRUE;
3960 return blame_read_file(view, line, &read_file);
3967 string_format(view->ref, "%s", view->vid);
3968 if (view_is_displayed(view)) {
3969 update_view_title(view);
3970 redraw_view_from(view, 0);
3976 commit = parse_blame_commit(view, line, &blamed);
3977 string_format(view->ref, "%s %2d%%", view->vid,
3978 blamed * 100 / view->lines);
3980 } else if (match_blame_header("author ", &line)) {
3981 string_ncopy(commit->author, line, strlen(line));
3983 } else if (match_blame_header("author-time ", &line)) {
3984 author_time = (time_t) atol(line);
3986 } else if (match_blame_header("author-tz ", &line)) {
3989 tz = ('0' - line[1]) * 60 * 60 * 10;
3990 tz += ('0' - line[2]) * 60 * 60;
3991 tz += ('0' - line[3]) * 60;
3992 tz += ('0' - line[4]) * 60;
3998 gmtime_r(&author_time, &commit->time);
4000 } else if (match_blame_header("summary ", &line)) {
4001 string_ncopy(commit->title, line, strlen(line));
4003 } else if (match_blame_header("filename ", &line)) {
4004 string_ncopy(commit->filename, line, strlen(line));
4012 blame_draw(struct view *view, struct line *line, unsigned int lineno)
4014 struct blame *blame = line->data;
4015 struct tm *time = NULL;
4016 const char *id = NULL, *author = NULL;
4018 if (blame->commit && *blame->commit->filename) {
4019 id = blame->commit->id;
4020 author = blame->commit->author;
4021 time = &blame->commit->time;
4024 if (opt_date && draw_date(view, time))
4028 draw_field(view, LINE_MAIN_AUTHOR, author, opt_author_cols, TRUE))
4031 if (draw_field(view, LINE_BLAME_ID, id, ID_COLS, FALSE))
4034 if (draw_lineno(view, lineno))
4037 draw_text(view, LINE_DEFAULT, blame->text, TRUE);
4042 blame_request(struct view *view, enum request request, struct line *line)
4044 enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
4045 struct blame *blame = line->data;
4048 case REQ_VIEW_BLAME:
4049 if (!blame->commit || !strcmp(blame->commit->id, NULL_ID)) {
4050 report("Commit ID unknown");
4053 string_copy(opt_ref, blame->commit->id);
4054 open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
4058 if (!blame->commit) {
4059 report("No commit loaded yet");
4063 if (view_is_displayed(VIEW(REQ_VIEW_DIFF)) &&
4064 !strcmp(blame->commit->id, VIEW(REQ_VIEW_DIFF)->ref))
4067 if (!strcmp(blame->commit->id, NULL_ID)) {
4068 struct view *diff = VIEW(REQ_VIEW_DIFF);
4069 const char *diff_index_argv[] = {
4070 "git", "diff-index", "--root", "--cached",
4071 "--patch-with-stat", "-C", "-M",
4072 "HEAD", "--", view->vid, NULL
4075 if (!prepare_update(diff, diff_index_argv, NULL, FORMAT_DASH)) {
4076 report("Failed to allocate diff command");
4079 flags |= OPEN_PREPARED;
4082 open_view(view, REQ_VIEW_DIFF, flags);
4093 blame_grep(struct view *view, struct line *line)
4095 struct blame *blame = line->data;
4096 struct blame_commit *commit = blame->commit;
4099 #define MATCH(text, on) \
4100 (on && *text && regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH)
4103 char buf[DATE_COLS + 1];
4105 if (MATCH(commit->title, 1) ||
4106 MATCH(commit->author, opt_author) ||
4107 MATCH(commit->id, opt_date))
4110 if (strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time) &&
4115 return MATCH(blame->text, 1);
4121 blame_select(struct view *view, struct line *line)
4123 struct blame *blame = line->data;
4124 struct blame_commit *commit = blame->commit;
4129 if (!strcmp(commit->id, NULL_ID))
4130 string_ncopy(ref_commit, "HEAD", 4);
4132 string_copy_rev(ref_commit, commit->id);
4135 static struct view_ops blame_ops = {
4154 char rev[SIZEOF_REV];
4155 char name[SIZEOF_STR];
4159 char rev[SIZEOF_REV];
4160 char name[SIZEOF_STR];
4164 static char status_onbranch[SIZEOF_STR];
4165 static struct status stage_status;
4166 static enum line_type stage_line_type;
4167 static size_t stage_chunks;
4168 static int *stage_chunk;
4170 /* This should work even for the "On branch" line. */
4172 status_has_none(struct view *view, struct line *line)
4174 return line < view->line + view->lines && !line[1].data;
4177 /* Get fields from the diff line:
4178 * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
4181 status_get_diff(struct status *file, const char *buf, size_t bufsize)
4183 const char *old_mode = buf + 1;
4184 const char *new_mode = buf + 8;
4185 const char *old_rev = buf + 15;
4186 const char *new_rev = buf + 56;
4187 const char *status = buf + 97;
4190 old_mode[-1] != ':' ||
4191 new_mode[-1] != ' ' ||
4192 old_rev[-1] != ' ' ||
4193 new_rev[-1] != ' ' ||
4197 file->status = *status;
4199 string_copy_rev(file->old.rev, old_rev);
4200 string_copy_rev(file->new.rev, new_rev);
4202 file->old.mode = strtoul(old_mode, NULL, 8);
4203 file->new.mode = strtoul(new_mode, NULL, 8);
4205 file->old.name[0] = file->new.name[0] = 0;
4211 status_run(struct view *view, const char *argv[], char status, enum line_type type)
4213 struct status *file = NULL;
4214 struct status *unmerged = NULL;
4218 if (!run_io(&io, argv, NULL, IO_RD))
4221 add_line_data(view, NULL, type);
4223 while ((buf = io_get(&io, 0, TRUE))) {
4225 file = calloc(1, sizeof(*file));
4226 if (!file || !add_line_data(view, file, type))
4230 /* Parse diff info part. */
4232 file->status = status;
4234 string_copy(file->old.rev, NULL_ID);
4236 } else if (!file->status) {
4237 if (!status_get_diff(file, buf, strlen(buf)))
4240 buf = io_get(&io, 0, TRUE);
4244 /* Collapse all 'M'odified entries that follow a
4245 * associated 'U'nmerged entry. */
4246 if (file->status == 'U') {
4249 } else if (unmerged) {
4250 int collapse = !strcmp(buf, unmerged->new.name);
4261 /* Grab the old name for rename/copy. */
4262 if (!*file->old.name &&
4263 (file->status == 'R' || file->status == 'C')) {
4264 string_ncopy(file->old.name, buf, strlen(buf));
4266 buf = io_get(&io, 0, TRUE);
4271 /* git-ls-files just delivers a NUL separated list of
4272 * file names similar to the second half of the
4273 * git-diff-* output. */
4274 string_ncopy(file->new.name, buf, strlen(buf));
4275 if (!*file->old.name)
4276 string_copy(file->old.name, file->new.name);
4280 if (io_error(&io)) {
4286 if (!view->line[view->lines - 1].data)
4287 add_line_data(view, NULL, LINE_STAT_NONE);
4293 /* Don't show unmerged entries in the staged section. */
4294 static const char *status_diff_index_argv[] = {
4295 "git", "diff-index", "-z", "--diff-filter=ACDMRTXB",
4296 "--cached", "-M", "HEAD", NULL
4299 static const char *status_diff_files_argv[] = {
4300 "git", "diff-files", "-z", NULL
4303 static const char *status_list_other_argv[] = {
4304 "git", "ls-files", "-z", "--others", "--exclude-standard", NULL
4307 static const char *status_list_no_head_argv[] = {
4308 "git", "ls-files", "-z", "--cached", "--exclude-standard", NULL
4311 static const char *update_index_argv[] = {
4312 "git", "update-index", "-q", "--unmerged", "--refresh", NULL
4315 /* First parse staged info using git-diff-index(1), then parse unstaged
4316 * info using git-diff-files(1), and finally untracked files using
4317 * git-ls-files(1). */
4319 status_open(struct view *view)
4321 unsigned long prev_lineno = view->lineno;
4325 add_line_data(view, NULL, LINE_STAT_HEAD);
4326 if (is_initial_commit())
4327 string_copy(status_onbranch, "Initial commit");
4328 else if (!*opt_head)
4329 string_copy(status_onbranch, "Not currently on any branch");
4330 else if (!string_format(status_onbranch, "On branch %s", opt_head))
4333 run_io_bg(update_index_argv);
4335 if (is_initial_commit()) {
4336 if (!status_run(view, status_list_no_head_argv, 'A', LINE_STAT_STAGED))
4338 } else if (!status_run(view, status_diff_index_argv, 0, LINE_STAT_STAGED)) {
4342 if (!status_run(view, status_diff_files_argv, 0, LINE_STAT_UNSTAGED) ||
4343 !status_run(view, status_list_other_argv, '?', LINE_STAT_UNTRACKED))
4346 /* If all went well restore the previous line number to stay in
4347 * the context or select a line with something that can be
4349 if (prev_lineno >= view->lines)
4350 prev_lineno = view->lines - 1;
4351 while (prev_lineno < view->lines && !view->line[prev_lineno].data)
4353 while (prev_lineno > 0 && !view->line[prev_lineno].data)
4356 /* If the above fails, always skip the "On branch" line. */
4357 if (prev_lineno < view->lines)
4358 view->lineno = prev_lineno;
4362 if (view->lineno < view->offset)
4363 view->offset = view->lineno;
4364 else if (view->offset + view->height <= view->lineno)
4365 view->offset = view->lineno - view->height + 1;
4371 status_draw(struct view *view, struct line *line, unsigned int lineno)
4373 struct status *status = line->data;
4374 enum line_type type;
4378 switch (line->type) {
4379 case LINE_STAT_STAGED:
4380 type = LINE_STAT_SECTION;
4381 text = "Changes to be committed:";
4384 case LINE_STAT_UNSTAGED:
4385 type = LINE_STAT_SECTION;
4386 text = "Changed but not updated:";
4389 case LINE_STAT_UNTRACKED:
4390 type = LINE_STAT_SECTION;
4391 text = "Untracked files:";
4394 case LINE_STAT_NONE:
4395 type = LINE_DEFAULT;
4396 text = " (no files)";
4399 case LINE_STAT_HEAD:
4400 type = LINE_STAT_HEAD;
4401 text = status_onbranch;
4408 static char buf[] = { '?', ' ', ' ', ' ', 0 };
4410 buf[0] = status->status;
4411 if (draw_text(view, line->type, buf, TRUE))
4413 type = LINE_DEFAULT;
4414 text = status->new.name;
4417 draw_text(view, type, text, TRUE);
4422 status_enter(struct view *view, struct line *line)
4424 struct status *status = line->data;
4425 const char *oldpath = status ? status->old.name : NULL;
4426 /* Diffs for unmerged entries are empty when passing the new
4427 * path, so leave it empty. */
4428 const char *newpath = status && status->status != 'U' ? status->new.name : NULL;
4430 enum open_flags split;
4431 struct view *stage = VIEW(REQ_VIEW_STAGE);
4433 if (line->type == LINE_STAT_NONE ||
4434 (!status && line[1].type == LINE_STAT_NONE)) {
4435 report("No file to diff");
4439 switch (line->type) {
4440 case LINE_STAT_STAGED:
4441 if (is_initial_commit()) {
4442 const char *no_head_diff_argv[] = {
4443 "git", "diff", "--no-color", "--patch-with-stat",
4444 "--", "/dev/null", newpath, NULL
4447 if (!prepare_update(stage, no_head_diff_argv, opt_cdup, FORMAT_DASH))
4450 const char *index_show_argv[] = {
4451 "git", "diff-index", "--root", "--patch-with-stat",
4452 "-C", "-M", "--cached", "HEAD", "--",
4453 oldpath, newpath, NULL
4456 if (!prepare_update(stage, index_show_argv, opt_cdup, FORMAT_DASH))
4461 info = "Staged changes to %s";
4463 info = "Staged changes";
4466 case LINE_STAT_UNSTAGED:
4468 const char *files_show_argv[] = {
4469 "git", "diff-files", "--root", "--patch-with-stat",
4470 "-C", "-M", "--", oldpath, newpath, NULL
4473 if (!prepare_update(stage, files_show_argv, opt_cdup, FORMAT_DASH))
4476 info = "Unstaged changes to %s";
4478 info = "Unstaged changes";
4481 case LINE_STAT_UNTRACKED:
4483 report("No file to show");
4487 if (!suffixcmp(status->new.name, -1, "/")) {
4488 report("Cannot display a directory");
4492 if (!prepare_update_file(stage, newpath))
4494 info = "Untracked file %s";
4497 case LINE_STAT_HEAD:
4501 die("line type %d not handled in switch", line->type);
4504 split = view_is_displayed(view) ? OPEN_SPLIT : 0;
4505 open_view(view, REQ_VIEW_STAGE, OPEN_REFRESH | split);
4506 if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
4508 stage_status = *status;
4510 memset(&stage_status, 0, sizeof(stage_status));
4513 stage_line_type = line->type;
4515 string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name);
4522 status_exists(struct status *status, enum line_type type)
4524 struct view *view = VIEW(REQ_VIEW_STATUS);
4527 for (line = view->line; line < view->line + view->lines; line++) {
4528 struct status *pos = line->data;
4530 if (line->type == type && pos &&
4531 !strcmp(status->new.name, pos->new.name))
4540 status_update_prepare(struct io *io, enum line_type type)
4542 const char *staged_argv[] = {
4543 "git", "update-index", "-z", "--index-info", NULL
4545 const char *others_argv[] = {
4546 "git", "update-index", "-z", "--add", "--remove", "--stdin", NULL
4550 case LINE_STAT_STAGED:
4551 return run_io(io, staged_argv, opt_cdup, IO_WR);
4553 case LINE_STAT_UNSTAGED:
4554 return run_io(io, others_argv, opt_cdup, IO_WR);
4556 case LINE_STAT_UNTRACKED:
4557 return run_io(io, others_argv, NULL, IO_WR);
4560 die("line type %d not handled in switch", type);
4566 status_update_write(struct io *io, struct status *status, enum line_type type)
4568 char buf[SIZEOF_STR];
4572 case LINE_STAT_STAGED:
4573 if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c",
4576 status->old.name, 0))
4580 case LINE_STAT_UNSTAGED:
4581 case LINE_STAT_UNTRACKED:
4582 if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0))
4587 die("line type %d not handled in switch", type);
4590 return io_write(io, buf, bufsize);
4594 status_update_file(struct status *status, enum line_type type)
4599 if (!status_update_prepare(&io, type))
4602 result = status_update_write(&io, status, type);
4608 status_update_files(struct view *view, struct line *line)
4612 struct line *pos = view->line + view->lines;
4616 if (!status_update_prepare(&io, line->type))
4619 for (pos = line; pos < view->line + view->lines && pos->data; pos++)
4622 for (file = 0, done = 0; result && file < files; line++, file++) {
4623 int almost_done = file * 100 / files;
4625 if (almost_done > done) {
4627 string_format(view->ref, "updating file %u of %u (%d%% done)",
4629 update_view_title(view);
4631 result = status_update_write(&io, line->data, line->type);
4639 status_update(struct view *view)
4641 struct line *line = &view->line[view->lineno];
4643 assert(view->lines);
4646 /* This should work even for the "On branch" line. */
4647 if (line < view->line + view->lines && !line[1].data) {
4648 report("Nothing to update");
4652 if (!status_update_files(view, line + 1)) {
4653 report("Failed to update file status");
4657 } else if (!status_update_file(line->data, line->type)) {
4658 report("Failed to update file status");
4666 status_revert(struct status *status, enum line_type type, bool has_none)
4668 if (!status || type != LINE_STAT_UNSTAGED) {
4669 if (type == LINE_STAT_STAGED) {
4670 report("Cannot revert changes to staged files");
4671 } else if (type == LINE_STAT_UNTRACKED) {
4672 report("Cannot revert changes to untracked files");
4673 } else if (has_none) {
4674 report("Nothing to revert");
4676 report("Cannot revert changes to multiple files");
4681 const char *checkout_argv[] = {
4682 "git", "checkout", "--", status->old.name, NULL
4685 if (!prompt_yesno("Are you sure you want to overwrite any changes?"))
4687 return run_io_fg(checkout_argv, opt_cdup);
4692 status_request(struct view *view, enum request request, struct line *line)
4694 struct status *status = line->data;
4697 case REQ_STATUS_UPDATE:
4698 if (!status_update(view))
4702 case REQ_STATUS_REVERT:
4703 if (!status_revert(status, line->type, status_has_none(view, line)))
4707 case REQ_STATUS_MERGE:
4708 if (!status || status->status != 'U') {
4709 report("Merging only possible for files with unmerged status ('U').");
4712 open_mergetool(status->new.name);
4718 if (status->status == 'D') {
4719 report("File has been deleted.");
4723 open_editor(status->status != '?', status->new.name);
4726 case REQ_VIEW_BLAME:
4728 string_copy(opt_file, status->new.name);
4734 /* After returning the status view has been split to
4735 * show the stage view. No further reloading is
4737 status_enter(view, line);
4741 /* Simply reload the view. */
4748 open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
4754 status_select(struct view *view, struct line *line)
4756 struct status *status = line->data;
4757 char file[SIZEOF_STR] = "all files";
4761 if (status && !string_format(file, "'%s'", status->new.name))
4764 if (!status && line[1].type == LINE_STAT_NONE)
4767 switch (line->type) {
4768 case LINE_STAT_STAGED:
4769 text = "Press %s to unstage %s for commit";
4772 case LINE_STAT_UNSTAGED:
4773 text = "Press %s to stage %s for commit";
4776 case LINE_STAT_UNTRACKED:
4777 text = "Press %s to stage %s for addition";
4780 case LINE_STAT_HEAD:
4781 case LINE_STAT_NONE:
4782 text = "Nothing to update";
4786 die("line type %d not handled in switch", line->type);
4789 if (status && status->status == 'U') {
4790 text = "Press %s to resolve conflict in %s";
4791 key = get_key(REQ_STATUS_MERGE);
4794 key = get_key(REQ_STATUS_UPDATE);
4797 string_format(view->ref, text, key, file);
4801 status_grep(struct view *view, struct line *line)
4803 struct status *status = line->data;