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 void update_callback(struct diff_queue_struct *q,
30 struct diff_options *opt, void *cbdata)
33 struct update_callback_data *data = cbdata;
35 for (i = 0; i < q->nr; i++) {
36 struct diff_filepair *p = q->queue[i];
37 const char *path = p->one->path;
40 die("unexpected diff status %c", p->status);
41 case DIFF_STATUS_UNMERGED:
43 * ADD_CACHE_IGNORE_REMOVAL is unset if "git
44 * add -u" is calling us, In such a case, a
45 * missing work tree file needs to be removed
46 * if there is an unmerged entry at stage #2,
47 * but such a diff record is followed by
48 * another with DIFF_STATUS_DELETED (and if
49 * there is no stage #2, we won't see DELETED
50 * nor MODIFIED). We can simply continue
53 if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL))
56 * Otherwise, it is "git add path" is asking
57 * to explicitly add it; we fall through. A
58 * missing work tree file is an error and is
59 * caught by add_file_to_index() in such a
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 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 run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
95 return !!data.add_errors;
98 static void fill_pathspec_matches(const char **pathspec, char *seen, int specs)
100 int num_unmatched = 0, i;
103 * Since we are walking the index as if we were walking the directory,
104 * we have to mark the matched pathspec as seen; otherwise we will
105 * mistakenly think that the user gave a pathspec that did not match
108 for (i = 0; i < specs; i++)
113 for (i = 0; i < active_nr; i++) {
114 struct cache_entry *ce = active_cache[i];
115 match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen);
119 static char *find_used_pathspec(const char **pathspec)
124 for (i = 0; pathspec[i]; i++)
125 ; /* just counting */
126 seen = xcalloc(i, 1);
127 fill_pathspec_matches(pathspec, seen, i);
131 static char *prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
135 struct dir_entry **src, **dst;
137 for (specs = 0; pathspec[specs]; specs++)
139 seen = xcalloc(specs, 1);
141 src = dst = dir->entries;
144 struct dir_entry *entry = *src++;
145 if (match_pathspec(pathspec, entry->name, entry->len,
149 dir->nr = dst - dir->entries;
150 fill_pathspec_matches(pathspec, seen, specs);
154 static void treat_gitlinks(const char **pathspec)
158 if (!pathspec || !*pathspec)
161 for (i = 0; i < active_nr; i++) {
162 struct cache_entry *ce = active_cache[i];
163 if (S_ISGITLINK(ce->ce_mode)) {
164 int len = ce_namelen(ce), j;
165 for (j = 0; pathspec[j]; j++) {
166 int len2 = strlen(pathspec[j]);
167 if (len2 <= len || pathspec[j][len] != '/' ||
168 memcmp(ce->name, pathspec[j], len))
171 /* strip trailing slash */
172 pathspec[j] = xstrndup(ce->name, len);
174 die ("Path '%s' is in submodule '%.*s'",
175 pathspec[j], len, ce->name);
181 static void refresh(int verbose, const char **pathspec)
186 for (specs = 0; pathspec[specs]; specs++)
188 seen = xcalloc(specs, 1);
189 refresh_index(&the_index, verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET,
190 pathspec, seen, "Unstaged changes after refreshing the index:");
191 for (i = 0; i < specs; i++) {
193 die("pathspec '%s' did not match any files", pathspec[i]);
198 static const char **validate_pathspec(int argc, const char **argv, const char *prefix)
200 const char **pathspec = get_pathspec(prefix, argv);
204 for (p = pathspec; *p; p++) {
205 if (has_symlink_leading_path(*p, strlen(*p))) {
206 int len = prefix ? strlen(prefix) : 0;
207 die("'%s' is beyond a symbolic link", *p + len);
215 int run_add_interactive(const char *revision, const char *patch_mode,
216 const char **pathspec)
218 int status, ac, pc = 0;
225 args = xcalloc(sizeof(const char *), (pc + 5));
227 args[ac++] = "add--interactive";
229 args[ac++] = patch_mode;
231 args[ac++] = revision;
234 memcpy(&(args[ac]), pathspec, sizeof(const char *) * pc);
239 status = run_command_v_opt(args, RUN_GIT_CMD);
244 int interactive_add(int argc, const char **argv, const char *prefix)
246 const char **pathspec = NULL;
249 pathspec = validate_pathspec(argc, argv, prefix);
254 return run_add_interactive(NULL,
255 patch_interactive ? "--patch" : NULL,
259 static int edit_patch(int argc, const char **argv, const char *prefix)
261 char *file = xstrdup(git_path("ADD_EDIT.patch"));
262 const char *apply_argv[] = { "apply", "--recount", "--cached",
264 struct child_process child;
269 apply_argv[3] = file;
271 git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
273 if (read_cache() < 0)
274 die ("Could not read the index");
276 init_revisions(&rev, prefix);
277 rev.diffopt.context = 7;
279 argc = setup_revisions(argc, argv, &rev, NULL);
280 rev.diffopt.output_format = DIFF_FORMAT_PATCH;
281 out = open(file, O_CREAT | O_WRONLY, 0644);
283 die ("Could not open '%s' for writing.", file);
284 rev.diffopt.file = xfdopen(out, "w");
285 rev.diffopt.close_file = 1;
286 if (run_diff_files(&rev, 0))
287 die ("Could not write patch");
289 launch_editor(file, NULL, NULL);
292 die_errno("Could not stat '%s'", file);
294 die("Empty patch. Aborted.");
296 memset(&child, 0, sizeof(child));
298 child.argv = apply_argv;
299 if (run_command(&child))
300 die ("Could not apply '%s'", file);
306 static struct lock_file lock_file;
308 static const char ignore_error[] =
309 "The following paths are ignored by one of your .gitignore files:\n";
311 static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
312 static int ignore_add_errors, addremove, intent_to_add, ignore_missing = 0;
314 static struct option builtin_add_options[] = {
315 OPT__DRY_RUN(&show_only, "dry run"),
316 OPT__VERBOSE(&verbose, "be verbose"),
318 OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
319 OPT_BOOLEAN('p', "patch", &patch_interactive, "select hunks interactively"),
320 OPT_BOOLEAN('e', "edit", &edit_interactive, "edit current diff and apply"),
321 OPT__FORCE(&ignored_too, "allow adding otherwise ignored files"),
322 OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"),
323 OPT_BOOLEAN('N', "intent-to-add", &intent_to_add, "record only the fact that the path will be added later"),
324 OPT_BOOLEAN('A', "all", &addremove, "add all, noticing removal of tracked files"),
325 OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
326 OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"),
327 OPT_BOOLEAN( 0 , "ignore-missing", &ignore_missing, "check if - even missing - files are ignored in dry run"),
331 static int add_config(const char *var, const char *value, void *cb)
333 if (!strcasecmp(var, "add.ignoreerrors") ||
334 !strcasecmp(var, "add.ignore-errors")) {
335 ignore_add_errors = git_config_bool(var, value);
338 return git_default_config(var, value, cb);
341 static int add_files(struct dir_struct *dir, int flags)
343 int i, exit_status = 0;
345 if (dir->ignored_nr) {
346 fprintf(stderr, ignore_error);
347 for (i = 0; i < dir->ignored_nr; i++)
348 fprintf(stderr, "%s\n", dir->ignored[i]->name);
349 fprintf(stderr, "Use -f if you really want to add them.\n");
350 die("no files added");
353 for (i = 0; i < dir->nr; i++)
354 if (add_file_to_cache(dir->entries[i]->name, flags)) {
355 if (!ignore_add_errors)
356 die("adding files failed");
362 int cmd_add(int argc, const char **argv, const char *prefix)
366 const char **pathspec;
367 struct dir_struct dir;
370 int require_pathspec;
373 git_config(add_config, NULL);
375 argc = parse_options(argc, argv, prefix, builtin_add_options,
376 builtin_add_usage, PARSE_OPT_KEEP_ARGV0);
377 if (patch_interactive)
380 exit(interactive_add(argc - 1, argv + 1, prefix));
382 if (edit_interactive)
383 return(edit_patch(argc, argv, prefix));
387 if (addremove && take_worktree_changes)
388 die("-A and -u are mutually incompatible");
389 if (!show_only && ignore_missing)
390 die("Option --ignore-missing can only be used together with --dry-run");
391 if ((addremove || take_worktree_changes) && !argc) {
392 static const char *here[2] = { ".", NULL };
397 add_new_files = !take_worktree_changes && !refresh_only;
398 require_pathspec = !take_worktree_changes;
400 newfd = hold_locked_index(&lock_file, 1);
402 flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
403 (show_only ? ADD_CACHE_PRETEND : 0) |
404 (intent_to_add ? ADD_CACHE_INTENT : 0) |
405 (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
406 (!(addremove || take_worktree_changes)
407 ? ADD_CACHE_IGNORE_REMOVAL : 0));
409 if (require_pathspec && argc == 0) {
410 fprintf(stderr, "Nothing specified, nothing added.\n");
411 fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
414 pathspec = validate_pathspec(argc, argv, prefix);
416 if (read_cache() < 0)
417 die("index file corrupt");
418 treat_gitlinks(pathspec);
423 /* Set up the default git porcelain excludes */
424 memset(&dir, 0, sizeof(dir));
426 dir.flags |= DIR_COLLECT_IGNORED;
427 setup_standard_excludes(&dir);
430 /* This picks up the paths that are not tracked */
431 baselen = fill_directory(&dir, pathspec);
433 seen = prune_directory(&dir, pathspec, baselen);
437 refresh(verbose, pathspec);
444 seen = find_used_pathspec(pathspec);
445 for (i = 0; pathspec[i]; i++) {
446 if (!seen[i] && pathspec[i][0]
447 && !file_exists(pathspec[i])) {
448 if (ignore_missing) {
449 int dtype = DT_UNKNOWN;
450 if (excluded(&dir, pathspec[i], &dtype))
451 dir_add_ignored(&dir, pathspec[i], strlen(pathspec[i]));
453 die("pathspec '%s' did not match any files",
460 exit_status |= add_files_to_cache(prefix, pathspec, flags);
463 exit_status |= add_files(&dir, flags);
466 if (active_cache_changed) {
467 if (write_cache(newfd, active_cache, active_nr) ||
468 commit_locked_index(&lock_file))
469 die("Unable to write new index file");