2 * "git add" builtin command
4 * Copyright (C) 2006 Linus Torvalds
10 #include "cache-tree.h"
11 #include "run-command.h"
12 #include "parse-options.h"
17 static const char * const builtin_add_usage[] = {
18 "git add [options] [--] <filepattern>...",
21 static int patch_interactive, add_interactive, edit_interactive;
22 static int take_worktree_changes;
24 struct update_callback_data {
29 static int fix_unmerged_status(struct diff_filepair *p,
30 struct update_callback_data *data)
32 if (p->status != DIFF_STATUS_UNMERGED)
34 if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL) && !p->two->mode)
36 * This is not an explicit add request, and the
37 * path is missing from the working tree (deleted)
39 return DIFF_STATUS_DELETED;
42 * Either an explicit add request, or path exists
43 * in the working tree. An attempt to explicitly
44 * add a path that does not exist in the working tree
45 * will be caught as an error by the caller immediately.
47 return DIFF_STATUS_MODIFIED;
50 static void update_callback(struct diff_queue_struct *q,
51 struct diff_options *opt, void *cbdata)
54 struct update_callback_data *data = cbdata;
56 for (i = 0; i < q->nr; i++) {
57 struct diff_filepair *p = q->queue[i];
58 const char *path = p->one->path;
59 switch (fix_unmerged_status(p, data)) {
61 die(_("unexpected diff status %c"), p->status);
62 case DIFF_STATUS_MODIFIED:
63 case DIFF_STATUS_TYPE_CHANGED:
64 if (add_file_to_index(&the_index, path, data->flags)) {
65 if (!(data->flags & ADD_CACHE_IGNORE_ERRORS))
66 die(_("updating files failed"));
70 case DIFF_STATUS_DELETED:
71 if (data->flags & ADD_CACHE_IGNORE_REMOVAL)
73 if (!(data->flags & ADD_CACHE_PRETEND))
74 remove_file_from_index(&the_index, path);
75 if (data->flags & (ADD_CACHE_PRETEND|ADD_CACHE_VERBOSE))
76 printf(_("remove '%s'\n"), path);
82 int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
84 struct update_callback_data data;
86 init_revisions(&rev, prefix);
87 setup_revisions(0, NULL, &rev, NULL);
88 init_pathspec(&rev.prune_data, pathspec);
89 rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
90 rev.diffopt.format_callback = update_callback;
93 rev.diffopt.format_callback_data = &data;
94 rev.max_count = 0; /* do not compare unmerged paths with stage #2 */
95 run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
96 return !!data.add_errors;
99 static void fill_pathspec_matches(const char **pathspec, char *seen, int specs)
101 int num_unmatched = 0, i;
104 * Since we are walking the index as if we were walking the directory,
105 * we have to mark the matched pathspec as seen; otherwise we will
106 * mistakenly think that the user gave a pathspec that did not match
109 for (i = 0; i < specs; i++)
114 for (i = 0; i < active_nr; i++) {
115 struct cache_entry *ce = active_cache[i];
116 match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen);
120 static char *find_used_pathspec(const char **pathspec)
125 for (i = 0; pathspec[i]; i++)
126 ; /* just counting */
127 seen = xcalloc(i, 1);
128 fill_pathspec_matches(pathspec, seen, i);
132 static char *prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
136 struct dir_entry **src, **dst;
138 for (specs = 0; pathspec[specs]; specs++)
140 seen = xcalloc(specs, 1);
142 src = dst = dir->entries;
145 struct dir_entry *entry = *src++;
146 if (match_pathspec(pathspec, entry->name, entry->len,
150 dir->nr = dst - dir->entries;
151 fill_pathspec_matches(pathspec, seen, specs);
155 static void treat_gitlinks(const char **pathspec)
159 if (!pathspec || !*pathspec)
162 for (i = 0; i < active_nr; i++) {
163 struct cache_entry *ce = active_cache[i];
164 if (S_ISGITLINK(ce->ce_mode)) {
165 int len = ce_namelen(ce), j;
166 for (j = 0; pathspec[j]; j++) {
167 int len2 = strlen(pathspec[j]);
168 if (len2 <= len || pathspec[j][len] != '/' ||
169 memcmp(ce->name, pathspec[j], len))
172 /* strip trailing slash */
173 pathspec[j] = xstrndup(ce->name, len);
175 die (_("Path '%s' is in submodule '%.*s'"),
176 pathspec[j], len, ce->name);
182 static void refresh(int verbose, const char **pathspec)
187 for (specs = 0; pathspec[specs]; specs++)
189 seen = xcalloc(specs, 1);
190 refresh_index(&the_index, verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET,
191 pathspec, seen, _("Unstaged changes after refreshing the index:"));
192 for (i = 0; i < specs; i++) {
194 die(_("pathspec '%s' did not match any files"), pathspec[i]);
199 static const char **validate_pathspec(int argc, const char **argv, const char *prefix)
201 const char **pathspec = get_pathspec(prefix, argv);
205 for (p = pathspec; *p; p++) {
206 if (has_symlink_leading_path(*p, strlen(*p))) {
207 int len = prefix ? strlen(prefix) : 0;
208 die(_("'%s' is beyond a symbolic link"), *p + len);
216 int run_add_interactive(const char *revision, const char *patch_mode,
217 const char **pathspec)
219 int status, ac, pc = 0;
226 args = xcalloc(sizeof(const char *), (pc + 5));
228 args[ac++] = "add--interactive";
230 args[ac++] = patch_mode;
232 args[ac++] = revision;
235 memcpy(&(args[ac]), pathspec, sizeof(const char *) * pc);
240 status = run_command_v_opt(args, RUN_GIT_CMD);
245 int interactive_add(int argc, const char **argv, const char *prefix, int patch)
247 const char **pathspec = NULL;
250 pathspec = validate_pathspec(argc, argv, prefix);
255 return run_add_interactive(NULL,
256 patch ? "--patch" : NULL,
260 static int edit_patch(int argc, const char **argv, const char *prefix)
262 char *file = xstrdup(git_path("ADD_EDIT.patch"));
263 const char *apply_argv[] = { "apply", "--recount", "--cached",
265 struct child_process child;
270 apply_argv[3] = file;
272 git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
274 if (read_cache() < 0)
275 die (_("Could not read the index"));
277 init_revisions(&rev, prefix);
278 rev.diffopt.context = 7;
280 argc = setup_revisions(argc, argv, &rev, NULL);
281 rev.diffopt.output_format = DIFF_FORMAT_PATCH;
282 out = open(file, O_CREAT | O_WRONLY, 0644);
284 die (_("Could not open '%s' for writing."), file);
285 rev.diffopt.file = xfdopen(out, "w");
286 rev.diffopt.close_file = 1;
287 if (run_diff_files(&rev, 0))
288 die (_("Could not write patch"));
290 launch_editor(file, NULL, NULL);
293 die_errno(_("Could not stat '%s'"), file);
295 die(_("Empty patch. Aborted."));
297 memset(&child, 0, sizeof(child));
299 child.argv = apply_argv;
300 if (run_command(&child))
301 die (_("Could not apply '%s'"), file);
307 static struct lock_file lock_file;
309 static const char ignore_error[] =
310 N_("The following paths are ignored by one of your .gitignore files:\n");
312 static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
313 static int ignore_add_errors, addremove, intent_to_add, ignore_missing = 0;
315 static struct option builtin_add_options[] = {
316 OPT__DRY_RUN(&show_only, "dry run"),
317 OPT__VERBOSE(&verbose, "be verbose"),
319 OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
320 OPT_BOOLEAN('p', "patch", &patch_interactive, "select hunks interactively"),
321 OPT_BOOLEAN('e', "edit", &edit_interactive, "edit current diff and apply"),
322 OPT__FORCE(&ignored_too, "allow adding otherwise ignored files"),
323 OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"),
324 OPT_BOOLEAN('N', "intent-to-add", &intent_to_add, "record only the fact that the path will be added later"),
325 OPT_BOOLEAN('A', "all", &addremove, "add changes from all tracked and untracked files"),
326 OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
327 OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"),
328 OPT_BOOLEAN( 0 , "ignore-missing", &ignore_missing, "check if - even missing - files are ignored in dry run"),
332 static int add_config(const char *var, const char *value, void *cb)
334 if (!strcmp(var, "add.ignoreerrors") ||
335 !strcmp(var, "add.ignore-errors")) {
336 ignore_add_errors = git_config_bool(var, value);
339 return git_default_config(var, value, cb);
342 static int add_files(struct dir_struct *dir, int flags)
344 int i, exit_status = 0;
346 if (dir->ignored_nr) {
347 fprintf(stderr, _(ignore_error));
348 for (i = 0; i < dir->ignored_nr; i++)
349 fprintf(stderr, "%s\n", dir->ignored[i]->name);
350 fprintf(stderr, _("Use -f if you really want to add them.\n"));
351 die(_("no files added"));
354 for (i = 0; i < dir->nr; i++)
355 if (add_file_to_cache(dir->entries[i]->name, flags)) {
356 if (!ignore_add_errors)
357 die(_("adding files failed"));
363 int cmd_add(int argc, const char **argv, const char *prefix)
367 const char **pathspec;
368 struct dir_struct dir;
371 int require_pathspec;
374 git_config(add_config, NULL);
376 argc = parse_options(argc, argv, prefix, builtin_add_options,
377 builtin_add_usage, PARSE_OPT_KEEP_ARGV0);
378 if (patch_interactive)
381 exit(interactive_add(argc - 1, argv + 1, prefix, patch_interactive));
383 if (edit_interactive)
384 return(edit_patch(argc, argv, prefix));
388 if (addremove && take_worktree_changes)
389 die(_("-A and -u are mutually incompatible"));
390 if (!show_only && ignore_missing)
391 die(_("Option --ignore-missing can only be used together with --dry-run"));
392 if ((addremove || take_worktree_changes) && !argc) {
393 static const char *here[2] = { ".", NULL };
398 add_new_files = !take_worktree_changes && !refresh_only;
399 require_pathspec = !take_worktree_changes;
401 newfd = hold_locked_index(&lock_file, 1);
403 flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
404 (show_only ? ADD_CACHE_PRETEND : 0) |
405 (intent_to_add ? ADD_CACHE_INTENT : 0) |
406 (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
407 (!(addremove || take_worktree_changes)
408 ? ADD_CACHE_IGNORE_REMOVAL : 0));
410 if (require_pathspec && argc == 0) {
411 fprintf(stderr, _("Nothing specified, nothing added.\n"));
412 fprintf(stderr, _("Maybe you wanted to say 'git add .'?\n"));
415 pathspec = validate_pathspec(argc, argv, prefix);
417 if (read_cache() < 0)
418 die(_("index file corrupt"));
419 treat_gitlinks(pathspec);
424 /* Set up the default git porcelain excludes */
425 memset(&dir, 0, sizeof(dir));
427 dir.flags |= DIR_COLLECT_IGNORED;
428 setup_standard_excludes(&dir);
431 /* This picks up the paths that are not tracked */
432 baselen = fill_directory(&dir, pathspec);
434 seen = prune_directory(&dir, pathspec, baselen);
438 refresh(verbose, pathspec);
445 seen = find_used_pathspec(pathspec);
446 for (i = 0; pathspec[i]; i++) {
447 if (!seen[i] && pathspec[i][0]
448 && !file_exists(pathspec[i])) {
449 if (ignore_missing) {
450 int dtype = DT_UNKNOWN;
451 if (excluded(&dir, pathspec[i], &dtype))
452 dir_add_ignored(&dir, pathspec[i], strlen(pathspec[i]));
454 die(_("pathspec '%s' did not match any files"),
461 exit_status |= add_files_to_cache(prefix, pathspec, flags);
464 exit_status |= add_files(&dir, flags);
467 if (active_cache_changed) {
468 if (write_cache(newfd, active_cache, active_nr) ||
469 commit_locked_index(&lock_file))
470 die(_("Unable to write new index file"));