2 * "git add" builtin command
4 * Copyright (C) 2006 Linus Torvalds
10 #include "cache-tree.h"
15 #include "run-command.h"
16 #include "parse-options.h"
18 static const char * const builtin_add_usage[] = {
19 "git add [options] [--] <filepattern>...",
22 static int patch_interactive = 0, add_interactive = 0;
23 static int take_worktree_changes;
25 static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
29 struct dir_entry **src, **dst;
31 for (specs = 0; pathspec[specs]; specs++)
33 seen = xcalloc(specs, 1);
35 src = dst = dir->entries;
38 struct dir_entry *entry = *src++;
39 if (match_pathspec(pathspec, entry->name, entry->len,
43 dir->nr = dst - dir->entries;
45 for (i = 0; i < specs; i++) {
46 if (!seen[i] && !file_exists(pathspec[i]))
47 die("pathspec '%s' did not match any files",
53 static void fill_directory(struct dir_struct *dir, const char **pathspec,
56 const char *path, *base;
59 /* Set up the default git porcelain excludes */
60 memset(dir, 0, sizeof(*dir));
62 dir->collect_ignored = 1;
63 setup_standard_excludes(dir);
67 * Calculate common prefix for the pathspec, and
68 * use that to optimize the directory walk
70 baselen = common_prefix(pathspec);
74 path = base = xmemdupz(*pathspec, baselen);
76 /* Read the directory and prune it */
77 read_directory(dir, path, base, baselen, pathspec);
79 prune_directory(dir, pathspec, baselen);
82 struct update_callback_data
88 static void update_callback(struct diff_queue_struct *q,
89 struct diff_options *opt, void *cbdata)
92 struct update_callback_data *data = cbdata;
94 for (i = 0; i < q->nr; i++) {
95 struct diff_filepair *p = q->queue[i];
96 const char *path = p->one->path;
99 die("unexpected diff status %c", p->status);
100 case DIFF_STATUS_UNMERGED:
101 case DIFF_STATUS_MODIFIED:
102 case DIFF_STATUS_TYPE_CHANGED:
103 if (add_file_to_cache(path, data->flags)) {
104 if (!(data->flags & ADD_CACHE_IGNORE_ERRORS))
105 die("updating files failed");
109 case DIFF_STATUS_DELETED:
110 if (!(data->flags & ADD_CACHE_PRETEND))
111 remove_file_from_cache(path);
112 if (data->flags & (ADD_CACHE_PRETEND|ADD_CACHE_VERBOSE))
113 printf("remove '%s'\n", path);
119 int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
121 struct update_callback_data data;
123 init_revisions(&rev, prefix);
124 setup_revisions(0, NULL, &rev, NULL);
125 rev.prune_data = pathspec;
126 rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
127 rev.diffopt.format_callback = update_callback;
130 rev.diffopt.format_callback_data = &data;
131 run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
132 return !!data.add_errors;
135 static void refresh(int verbose, const char **pathspec)
140 for (specs = 0; pathspec[specs]; specs++)
142 seen = xcalloc(specs, 1);
143 refresh_index(&the_index, verbose ? REFRESH_SAY_CHANGED : REFRESH_QUIET,
145 for (i = 0; i < specs; i++) {
147 die("pathspec '%s' did not match any files", pathspec[i]);
152 static const char **validate_pathspec(int argc, const char **argv, const char *prefix)
154 const char **pathspec = get_pathspec(prefix, argv);
158 for (p = pathspec; *p; p++) {
159 if (has_symlink_leading_path(strlen(*p), *p)) {
160 int len = prefix ? strlen(prefix) : 0;
161 die("'%s' is beyond a symbolic link", *p + len);
169 int interactive_add(int argc, const char **argv, const char *prefix)
173 const char **pathspec = NULL;
176 pathspec = validate_pathspec(argc, argv, prefix);
181 args = xcalloc(sizeof(const char *), (argc + 4));
183 args[ac++] = "add--interactive";
184 if (patch_interactive)
185 args[ac++] = "--patch";
188 memcpy(&(args[ac]), pathspec, sizeof(const char *) * argc);
193 status = run_command_v_opt(args, RUN_GIT_CMD);
198 static struct lock_file lock_file;
200 static const char ignore_error[] =
201 "The following paths are ignored by one of your .gitignore files:\n";
203 static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
204 static int ignore_add_errors, addremove;
206 static struct option builtin_add_options[] = {
207 OPT__DRY_RUN(&show_only),
208 OPT__VERBOSE(&verbose),
210 OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
211 OPT_BOOLEAN('p', "patch", &patch_interactive, "interactive patching"),
212 OPT_BOOLEAN('f', "force", &ignored_too, "allow adding otherwise ignored files"),
213 OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"),
214 OPT_BOOLEAN('A', "all", &addremove, "add all, noticing removal of tracked files"),
215 OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
216 OPT_BOOLEAN( 0 , "ignore-errors", &ignore_add_errors, "just skip files which cannot be added because of errors"),
220 static int add_config(const char *var, const char *value, void *cb)
222 if (!strcasecmp(var, "add.ignore-errors")) {
223 ignore_add_errors = git_config_bool(var, value);
226 return git_default_config(var, value, cb);
229 static int add_files(struct dir_struct *dir, int flags)
231 int i, exit_status = 0;
233 if (dir->ignored_nr) {
234 fprintf(stderr, ignore_error);
235 for (i = 0; i < dir->ignored_nr; i++)
236 fprintf(stderr, "%s\n", dir->ignored[i]->name);
237 fprintf(stderr, "Use -f if you really want to add them.\n");
238 die("no files added");
241 for (i = 0; i < dir->nr; i++)
242 if (add_file_to_cache(dir->entries[i]->name, flags)) {
243 if (!ignore_add_errors)
244 die("adding files failed");
250 int cmd_add(int argc, const char **argv, const char *prefix)
254 const char **pathspec;
255 struct dir_struct dir;
258 int require_pathspec;
260 argc = parse_options(argc, argv, builtin_add_options,
261 builtin_add_usage, 0);
262 if (patch_interactive)
265 exit(interactive_add(argc, argv, prefix));
267 git_config(add_config, NULL);
269 if (addremove && take_worktree_changes)
270 die("-A and -u are mutually incompatible");
271 if (addremove && !argc) {
272 static const char *here[2] = { ".", NULL };
277 add_new_files = !take_worktree_changes && !refresh_only;
278 require_pathspec = !take_worktree_changes;
280 newfd = hold_locked_index(&lock_file, 1);
282 flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
283 (show_only ? ADD_CACHE_PRETEND : 0) |
284 (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0));
286 if (require_pathspec && argc == 0) {
287 fprintf(stderr, "Nothing specified, nothing added.\n");
288 fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
291 pathspec = validate_pathspec(argc, argv, prefix);
294 * If we are adding new files, we need to scan the working
295 * tree to find the ones that match pathspecs; this needs
296 * to be done before we read the index.
299 fill_directory(&dir, pathspec, ignored_too);
301 if (read_cache() < 0)
302 die("index file corrupt");
305 refresh(verbose, pathspec);
309 if (take_worktree_changes || addremove)
310 exit_status |= add_files_to_cache(prefix, pathspec, flags);
313 exit_status |= add_files(&dir, flags);
316 if (active_cache_changed) {
317 if (write_cache(newfd, active_cache, active_nr) ||
318 commit_locked_index(&lock_file))
319 die("Unable to write new index file");