2 * "git add" builtin command
4 * Copyright (C) 2006 Linus Torvalds
11 #include "cache-tree.h"
12 #include "run-command.h"
13 #include "parse-options.h"
17 #include "bulk-checkin.h"
19 static const char * const builtin_add_usage[] = {
20 N_("git add [options] [--] <pathspec>..."),
23 static int patch_interactive, add_interactive, edit_interactive;
24 static int take_worktree_changes;
26 struct update_callback_data {
29 const char *implicit_dot;
30 size_t implicit_dot_len;
32 /* only needed for 2.0 transition preparation */
33 int warn_add_would_remove;
36 static const char *option_with_implicit_dot;
37 static const char *short_option_with_implicit_dot;
39 static void warn_pathless_add(void)
42 assert(option_with_implicit_dot && short_option_with_implicit_dot);
49 * To be consistent with "git add -p" and most Git
50 * commands, we should default to being tree-wide, but
51 * this is not the original behavior and can't be
52 * changed until users trained themselves not to type
53 * "git add -u" or "git add -A". For now, we warn and
54 * keep the old behavior. Later, the behavior can be changed
55 * to tree-wide, keeping the warning for a while, and
56 * eventually we can drop the warning.
58 warning(_("The behavior of 'git add %s (or %s)' with no path argument from a\n"
59 "subdirectory of the tree will change in Git 2.0 and should not be used anymore.\n"
60 "To add content for the whole tree, run:\n"
63 " (or git add %s :/)\n"
65 "To restrict the command to the current directory, run:\n"
68 " (or git add %s .)\n"
70 "With the current Git version, the command is restricted to "
71 "the current directory.\n"
73 option_with_implicit_dot, short_option_with_implicit_dot,
74 option_with_implicit_dot, short_option_with_implicit_dot,
75 option_with_implicit_dot, short_option_with_implicit_dot);
78 static int fix_unmerged_status(struct diff_filepair *p,
79 struct update_callback_data *data)
81 if (p->status != DIFF_STATUS_UNMERGED)
83 if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL) && !p->two->mode)
85 * This is not an explicit add request, and the
86 * path is missing from the working tree (deleted)
88 return DIFF_STATUS_DELETED;
91 * Either an explicit add request, or path exists
92 * in the working tree. An attempt to explicitly
93 * add a path that does not exist in the working tree
94 * will be caught as an error by the caller immediately.
96 return DIFF_STATUS_MODIFIED;
99 static const char *add_would_remove_warning = N_(
100 "You ran 'git add' with neither '-A (--all)' or '--ignore-removal',\n"
101 "whose behaviour will change in Git 2.0 with respect to paths you removed.\n"
102 "Paths like '%s' that are\n"
103 "removed from your working tree are ignored with this version of Git.\n"
105 "* 'git add --ignore-removal <pathspec>', which is the current default,\n"
106 " ignores paths you removed from your working tree.\n"
108 "* 'git add --all <pathspec>' will let you also record the removals.\n"
110 "Run 'git status' to check the paths you removed from your working tree.\n");
112 static void warn_add_would_remove(const char *path)
114 warning(_(add_would_remove_warning), path);
117 static void update_callback(struct diff_queue_struct *q,
118 struct diff_options *opt, void *cbdata)
121 struct update_callback_data *data = cbdata;
122 const char *implicit_dot = data->implicit_dot;
123 size_t implicit_dot_len = data->implicit_dot_len;
125 for (i = 0; i < q->nr; i++) {
126 struct diff_filepair *p = q->queue[i];
127 const char *path = p->one->path;
129 * Check if "git add -A" or "git add -u" was run from a
130 * subdirectory with a modified file outside that directory,
133 * "git add -u" will behave like "git add -u :/" instead of
134 * "git add -u ." in the future. This warning prepares for
138 strncmp_icase(path, implicit_dot, implicit_dot_len)) {
142 switch (fix_unmerged_status(p, data)) {
144 die(_("unexpected diff status %c"), p->status);
145 case DIFF_STATUS_MODIFIED:
146 case DIFF_STATUS_TYPE_CHANGED:
147 if (add_file_to_index(&the_index, path, data->flags)) {
148 if (!(data->flags & ADD_CACHE_IGNORE_ERRORS))
149 die(_("updating files failed"));
153 case DIFF_STATUS_DELETED:
154 if (data->warn_add_would_remove) {
155 warn_add_would_remove(path);
156 data->warn_add_would_remove = 0;
158 if (data->flags & ADD_CACHE_IGNORE_REMOVAL)
160 if (!(data->flags & ADD_CACHE_PRETEND))
161 remove_file_from_index(&the_index, path);
162 if (data->flags & (ADD_CACHE_PRETEND|ADD_CACHE_VERBOSE))
163 printf(_("remove '%s'\n"), path);
169 static void update_files_in_cache(const char *prefix, const char **pathspec,
170 struct update_callback_data *data)
174 init_revisions(&rev, prefix);
175 setup_revisions(0, NULL, &rev, NULL);
176 init_pathspec(&rev.prune_data, pathspec);
177 rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
178 rev.diffopt.format_callback = update_callback;
179 rev.diffopt.format_callback_data = data;
180 rev.max_count = 0; /* do not compare unmerged paths with stage #2 */
181 run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
184 int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
186 struct update_callback_data data;
188 memset(&data, 0, sizeof(data));
190 update_files_in_cache(prefix, pathspec, &data);
191 return !!data.add_errors;
194 #define WARN_IMPLICIT_DOT (1u << 0)
195 static char *prune_directory(struct dir_struct *dir, const char **pathspec,
196 int prefix, unsigned flag)
200 struct dir_entry **src, **dst;
202 for (specs = 0; pathspec[specs]; specs++)
204 seen = xcalloc(specs, 1);
206 src = dst = dir->entries;
209 struct dir_entry *entry = *src++;
210 if (match_pathspec(pathspec, entry->name, entry->len,
213 else if (flag & WARN_IMPLICIT_DOT)
215 * "git add -A" was run from a subdirectory with a
216 * new file outside that directory.
218 * "git add -A" will behave like "git add -A :/"
219 * instead of "git add -A ." in the future.
220 * Warn about the coming behavior change.
224 dir->nr = dst - dir->entries;
225 add_pathspec_matches_against_index(pathspec, seen, specs);
230 * Checks the index to see whether any path in pathspec refers to
231 * something inside a submodule. If so, dies with an error message.
233 static void treat_gitlinks(const char **pathspec)
237 if (!pathspec || !*pathspec)
240 for (i = 0; pathspec[i]; i++)
241 pathspec[i] = check_path_for_gitlink(pathspec[i]);
244 static void refresh(int verbose, const char **pathspec)
249 for (specs = 0; pathspec[specs]; specs++)
251 seen = xcalloc(specs, 1);
252 refresh_index(&the_index, verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET,
253 pathspec, seen, _("Unstaged changes after refreshing the index:"));
254 for (i = 0; i < specs; i++) {
256 die(_("pathspec '%s' did not match any files"), pathspec[i]);
262 * Normalizes argv relative to prefix, via get_pathspec(), and then
263 * runs die_if_path_beyond_symlink() on each path in the normalized
266 static const char **validate_pathspec(const char **argv, const char *prefix)
268 const char **pathspec = get_pathspec(prefix, argv);
272 for (p = pathspec; *p; p++) {
273 die_if_path_beyond_symlink(*p, prefix);
280 int run_add_interactive(const char *revision, const char *patch_mode,
281 const char **pathspec)
283 int status, ac, pc = 0;
290 args = xcalloc(sizeof(const char *), (pc + 5));
292 args[ac++] = "add--interactive";
294 args[ac++] = patch_mode;
296 args[ac++] = revision;
299 memcpy(&(args[ac]), pathspec, sizeof(const char *) * pc);
304 status = run_command_v_opt(args, RUN_GIT_CMD);
309 int interactive_add(int argc, const char **argv, const char *prefix, int patch)
311 const char **pathspec = NULL;
314 pathspec = validate_pathspec(argv, prefix);
319 return run_add_interactive(NULL,
320 patch ? "--patch" : NULL,
324 static int edit_patch(int argc, const char **argv, const char *prefix)
326 char *file = git_pathdup("ADD_EDIT.patch");
327 const char *apply_argv[] = { "apply", "--recount", "--cached",
329 struct child_process child;
334 apply_argv[3] = file;
336 git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
338 if (read_cache() < 0)
339 die (_("Could not read the index"));
341 init_revisions(&rev, prefix);
342 rev.diffopt.context = 7;
344 argc = setup_revisions(argc, argv, &rev, NULL);
345 rev.diffopt.output_format = DIFF_FORMAT_PATCH;
346 DIFF_OPT_SET(&rev.diffopt, IGNORE_DIRTY_SUBMODULES);
347 out = open(file, O_CREAT | O_WRONLY, 0666);
349 die (_("Could not open '%s' for writing."), file);
350 rev.diffopt.file = xfdopen(out, "w");
351 rev.diffopt.close_file = 1;
352 if (run_diff_files(&rev, 0))
353 die (_("Could not write patch"));
355 launch_editor(file, NULL, NULL);
358 die_errno(_("Could not stat '%s'"), file);
360 die(_("Empty patch. Aborted."));
362 memset(&child, 0, sizeof(child));
364 child.argv = apply_argv;
365 if (run_command(&child))
366 die (_("Could not apply '%s'"), file);
373 static struct lock_file lock_file;
375 static const char ignore_error[] =
376 N_("The following paths are ignored by one of your .gitignore files:\n");
378 static int verbose, show_only, ignored_too, refresh_only;
379 static int ignore_add_errors, intent_to_add, ignore_missing;
381 #define ADDREMOVE_DEFAULT 0 /* Change to 1 in Git 2.0 */
382 static int addremove = ADDREMOVE_DEFAULT;
383 static int addremove_explicit = -1; /* unspecified */
385 static int ignore_removal_cb(const struct option *opt, const char *arg, int unset)
387 /* if we are told to ignore, we are not adding removals */
388 *(int *)opt->value = !unset ? 0 : 1;
392 static struct option builtin_add_options[] = {
393 OPT__DRY_RUN(&show_only, N_("dry run")),
394 OPT__VERBOSE(&verbose, N_("be verbose")),
396 OPT_BOOL('i', "interactive", &add_interactive, N_("interactive picking")),
397 OPT_BOOL('p', "patch", &patch_interactive, N_("select hunks interactively")),
398 OPT_BOOL('e', "edit", &edit_interactive, N_("edit current diff and apply")),
399 OPT__FORCE(&ignored_too, N_("allow adding otherwise ignored files")),
400 OPT_BOOL('u', "update", &take_worktree_changes, N_("update tracked files")),
401 OPT_BOOL('N', "intent-to-add", &intent_to_add, N_("record only the fact that the path will be added later")),
402 OPT_BOOL('A', "all", &addremove_explicit, N_("add changes from all tracked and untracked files")),
403 { OPTION_CALLBACK, 0, "ignore-removal", &addremove_explicit,
404 NULL /* takes no arguments */,
405 N_("ignore paths removed in the working tree (same as --no-all)"),
406 PARSE_OPT_NOARG, ignore_removal_cb },
407 OPT_BOOL( 0 , "refresh", &refresh_only, N_("don't add, only refresh the index")),
408 OPT_BOOL( 0 , "ignore-errors", &ignore_add_errors, N_("just skip files which cannot be added because of errors")),
409 OPT_BOOL( 0 , "ignore-missing", &ignore_missing, N_("check if - even missing - files are ignored in dry run")),
413 static int add_config(const char *var, const char *value, void *cb)
415 if (!strcmp(var, "add.ignoreerrors") ||
416 !strcmp(var, "add.ignore-errors")) {
417 ignore_add_errors = git_config_bool(var, value);
420 return git_default_config(var, value, cb);
423 static int add_files(struct dir_struct *dir, int flags)
425 int i, exit_status = 0;
427 if (dir->ignored_nr) {
428 fprintf(stderr, _(ignore_error));
429 for (i = 0; i < dir->ignored_nr; i++)
430 fprintf(stderr, "%s\n", dir->ignored[i]->name);
431 fprintf(stderr, _("Use -f if you really want to add them.\n"));
432 die(_("no files added"));
435 for (i = 0; i < dir->nr; i++)
436 if (add_file_to_cache(dir->entries[i]->name, flags)) {
437 if (!ignore_add_errors)
438 die(_("adding files failed"));
444 int cmd_add(int argc, const char **argv, const char *prefix)
448 const char **pathspec;
449 struct dir_struct dir;
452 int require_pathspec;
454 int implicit_dot = 0;
455 struct update_callback_data update_data;
457 git_config(add_config, NULL);
459 argc = parse_options(argc, argv, prefix, builtin_add_options,
460 builtin_add_usage, PARSE_OPT_KEEP_ARGV0);
461 if (patch_interactive)
464 exit(interactive_add(argc - 1, argv + 1, prefix, patch_interactive));
466 if (edit_interactive)
467 return(edit_patch(argc, argv, prefix));
471 if (0 <= addremove_explicit)
472 addremove = addremove_explicit;
473 else if (take_worktree_changes && ADDREMOVE_DEFAULT)
474 addremove = 0; /* "-u" was given but not "-A" */
476 if (addremove && take_worktree_changes)
477 die(_("-A and -u are mutually incompatible"));
480 * Warn when "git add pathspec..." was given without "-u" or "-A"
481 * and pathspec... covers a removed path.
483 memset(&update_data, 0, sizeof(update_data));
484 if (!take_worktree_changes && addremove_explicit < 0)
485 update_data.warn_add_would_remove = 1;
487 if (!take_worktree_changes && addremove_explicit < 0 && argc)
489 * Turn "git add pathspec..." to "git add -A pathspec..."
490 * in Git 2.0 but not yet
492 ; /* addremove = 1; */
494 if (!show_only && ignore_missing)
495 die(_("Option --ignore-missing can only be used together with --dry-run"));
497 option_with_implicit_dot = "--all";
498 short_option_with_implicit_dot = "-A";
500 if (take_worktree_changes) {
501 option_with_implicit_dot = "--update";
502 short_option_with_implicit_dot = "-u";
504 if (option_with_implicit_dot && !argc) {
505 static const char *here[2] = { ".", NULL };
511 add_new_files = !take_worktree_changes && !refresh_only;
512 require_pathspec = !take_worktree_changes;
514 newfd = hold_locked_index(&lock_file, 1);
516 flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
517 (show_only ? ADD_CACHE_PRETEND : 0) |
518 (intent_to_add ? ADD_CACHE_INTENT : 0) |
519 (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
520 (!(addremove || take_worktree_changes)
521 ? ADD_CACHE_IGNORE_REMOVAL : 0)) |
522 (implicit_dot ? ADD_CACHE_IMPLICIT_DOT : 0);
524 if (require_pathspec && argc == 0) {
525 fprintf(stderr, _("Nothing specified, nothing added.\n"));
526 fprintf(stderr, _("Maybe you wanted to say 'git add .'?\n"));
529 pathspec = validate_pathspec(argv, prefix);
531 if (read_cache() < 0)
532 die(_("index file corrupt"));
533 treat_gitlinks(pathspec);
538 /* Set up the default git porcelain excludes */
539 memset(&dir, 0, sizeof(dir));
541 dir.flags |= DIR_COLLECT_IGNORED;
542 setup_standard_excludes(&dir);
545 /* This picks up the paths that are not tracked */
546 baselen = fill_directory(&dir, implicit_dot ? NULL : pathspec);
548 seen = prune_directory(&dir, pathspec, baselen,
549 implicit_dot ? WARN_IMPLICIT_DOT : 0);
553 refresh(verbose, pathspec);
556 if (implicit_dot && prefix)
557 refresh_cache(REFRESH_QUIET);
563 seen = find_pathspecs_matching_against_index(pathspec);
564 for (i = 0; pathspec[i]; i++) {
565 if (!seen[i] && pathspec[i][0]
566 && !file_exists(pathspec[i])) {
567 if (ignore_missing) {
568 int dtype = DT_UNKNOWN;
569 if (is_excluded(&dir, pathspec[i], &dtype))
570 dir_add_ignored(&dir, pathspec[i], strlen(pathspec[i]));
572 die(_("pathspec '%s' did not match any files"),
581 if ((flags & ADD_CACHE_IMPLICIT_DOT) && prefix) {
583 * Check for modified files throughout the worktree so
584 * update_callback has a chance to warn about changes
587 update_data.implicit_dot = prefix;
588 update_data.implicit_dot_len = strlen(prefix);
591 update_data.flags = flags & ~ADD_CACHE_IMPLICIT_DOT;
592 update_files_in_cache(prefix, pathspec, &update_data);
594 exit_status |= !!update_data.add_errors;
596 exit_status |= add_files(&dir, flags);
598 unplug_bulk_checkin();
601 if (active_cache_changed) {
602 if (write_cache(newfd, active_cache, active_nr) ||
603 commit_locked_index(&lock_file))
604 die(_("Unable to write new index file"));