Code

i18n: git-stash add git-sh-i18n
[git.git] / builtin / add.c
1 /*
2  * "git add" builtin command
3  *
4  * Copyright (C) 2006 Linus Torvalds
5  */
6 #include "cache.h"
7 #include "builtin.h"
8 #include "dir.h"
9 #include "exec_cmd.h"
10 #include "cache-tree.h"
11 #include "run-command.h"
12 #include "parse-options.h"
13 #include "diff.h"
14 #include "diffcore.h"
15 #include "revision.h"
17 static const char * const builtin_add_usage[] = {
18         "git add [options] [--] <filepattern>...",
19         NULL
20 };
21 static int patch_interactive, add_interactive, edit_interactive;
22 static int take_worktree_changes;
24 struct update_callback_data {
25         int flags;
26         int add_errors;
27 };
29 static void update_callback(struct diff_queue_struct *q,
30                             struct diff_options *opt, void *cbdata)
31 {
32         int i;
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;
38                 switch (p->status) {
39                 default:
40                         die(_("unexpected diff status %c"), p->status);
41                 case DIFF_STATUS_UNMERGED:
42                         /*
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
51                          * either way.
52                          */
53                         if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL))
54                                 continue;
55                         /*
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
60                          * case.
61                          */
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"));
67                                 data->add_errors++;
68                         }
69                         break;
70                 case DIFF_STATUS_DELETED:
71                         if (data->flags & ADD_CACHE_IGNORE_REMOVAL)
72                                 break;
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);
77                         break;
78                 }
79         }
80 }
82 int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
83 {
84         struct update_callback_data data;
85         struct rev_info rev;
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;
91         data.flags = flags;
92         data.add_errors = 0;
93         rev.diffopt.format_callback_data = &data;
94         run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
95         return !!data.add_errors;
96 }
98 static void fill_pathspec_matches(const char **pathspec, char *seen, int specs)
99 {
100         int num_unmatched = 0, i;
102         /*
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
106          * anything.
107          */
108         for (i = 0; i < specs; i++)
109                 if (!seen[i])
110                         num_unmatched++;
111         if (!num_unmatched)
112                 return;
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);
116         }
119 static char *find_used_pathspec(const char **pathspec)
121         char *seen;
122         int i;
124         for (i = 0; pathspec[i];  i++)
125                 ; /* just counting */
126         seen = xcalloc(i, 1);
127         fill_pathspec_matches(pathspec, seen, i);
128         return seen;
131 static char *prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
133         char *seen;
134         int i, specs;
135         struct dir_entry **src, **dst;
137         for (specs = 0; pathspec[specs];  specs++)
138                 /* nothing */;
139         seen = xcalloc(specs, 1);
141         src = dst = dir->entries;
142         i = dir->nr;
143         while (--i >= 0) {
144                 struct dir_entry *entry = *src++;
145                 if (match_pathspec(pathspec, entry->name, entry->len,
146                                    prefix, seen))
147                         *dst++ = entry;
148         }
149         dir->nr = dst - dir->entries;
150         fill_pathspec_matches(pathspec, seen, specs);
151         return seen;
154 static void treat_gitlinks(const char **pathspec)
156         int i;
158         if (!pathspec || !*pathspec)
159                 return;
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))
169                                         continue;
170                                 if (len2 == len + 1)
171                                         /* strip trailing slash */
172                                         pathspec[j] = xstrndup(ce->name, len);
173                                 else
174                                         die (_("Path '%s' is in submodule '%.*s'"),
175                                                 pathspec[j], len, ce->name);
176                         }
177                 }
178         }
181 static void refresh(int verbose, const char **pathspec)
183         char *seen;
184         int i, specs;
186         for (specs = 0; pathspec[specs];  specs++)
187                 /* nothing */;
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++) {
192                 if (!seen[i])
193                         die(_("pathspec '%s' did not match any files"), pathspec[i]);
194         }
195         free(seen);
198 static const char **validate_pathspec(int argc, const char **argv, const char *prefix)
200         const char **pathspec = get_pathspec(prefix, argv);
202         if (pathspec) {
203                 const char **p;
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);
208                         }
209                 }
210         }
212         return pathspec;
215 int run_add_interactive(const char *revision, const char *patch_mode,
216                         const char **pathspec)
218         int status, ac, pc = 0;
219         const char **args;
221         if (pathspec)
222                 while (pathspec[pc])
223                         pc++;
225         args = xcalloc(sizeof(const char *), (pc + 5));
226         ac = 0;
227         args[ac++] = "add--interactive";
228         if (patch_mode)
229                 args[ac++] = patch_mode;
230         if (revision)
231                 args[ac++] = revision;
232         args[ac++] = "--";
233         if (pc) {
234                 memcpy(&(args[ac]), pathspec, sizeof(const char *) * pc);
235                 ac += pc;
236         }
237         args[ac] = NULL;
239         status = run_command_v_opt(args, RUN_GIT_CMD);
240         free(args);
241         return status;
244 int interactive_add(int argc, const char **argv, const char *prefix)
246         const char **pathspec = NULL;
248         if (argc) {
249                 pathspec = validate_pathspec(argc, argv, prefix);
250                 if (!pathspec)
251                         return -1;
252         }
254         return run_add_interactive(NULL,
255                                    patch_interactive ? "--patch" : NULL,
256                                    pathspec);
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",
263                 NULL, NULL };
264         struct child_process child;
265         struct rev_info rev;
266         int out;
267         struct stat st;
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);
282         if (out < 0)
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);
291         if (stat(file, &st))
292                 die_errno(_("Could not stat '%s'"), file);
293         if (!st.st_size)
294                 die(_("Empty patch. Aborted."));
296         memset(&child, 0, sizeof(child));
297         child.git_cmd = 1;
298         child.argv = apply_argv;
299         if (run_command(&child))
300                 die (_("Could not apply '%s'"), file);
302         unlink(file);
303         return 0;
306 static struct lock_file lock_file;
308 static const char ignore_error[] =
309 N_("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"),
317         OPT_GROUP(""),
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 changes from all tracked and untracked 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"),
328         OPT_END(),
329 };
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);
336                 return 0;
337         }
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"));
351         }
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"));
357                         exit_status = 1;
358                 }
359         return exit_status;
362 int cmd_add(int argc, const char **argv, const char *prefix)
364         int exit_status = 0;
365         int newfd;
366         const char **pathspec;
367         struct dir_struct dir;
368         int flags;
369         int add_new_files;
370         int require_pathspec;
371         char *seen = NULL;
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)
378                 add_interactive = 1;
379         if (add_interactive)
380                 exit(interactive_add(argc - 1, argv + 1, prefix));
382         if (edit_interactive)
383                 return(edit_patch(argc, argv, prefix));
384         argc--;
385         argv++;
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 };
393                 argc = 1;
394                 argv = here;
395         }
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"));
412                 return 0;
413         }
414         pathspec = validate_pathspec(argc, argv, prefix);
416         if (read_cache() < 0)
417                 die(_("index file corrupt"));
418         treat_gitlinks(pathspec);
420         if (add_new_files) {
421                 int baselen;
423                 /* Set up the default git porcelain excludes */
424                 memset(&dir, 0, sizeof(dir));
425                 if (!ignored_too) {
426                         dir.flags |= DIR_COLLECT_IGNORED;
427                         setup_standard_excludes(&dir);
428                 }
430                 /* This picks up the paths that are not tracked */
431                 baselen = fill_directory(&dir, pathspec);
432                 if (pathspec)
433                         seen = prune_directory(&dir, pathspec, baselen);
434         }
436         if (refresh_only) {
437                 refresh(verbose, pathspec);
438                 goto finish;
439         }
441         if (pathspec) {
442                 int i;
443                 if (!seen)
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]));
452                                 } else
453                                         die(_("pathspec '%s' did not match any files"),
454                                             pathspec[i]);
455                         }
456                 }
457                 free(seen);
458         }
460         exit_status |= add_files_to_cache(prefix, pathspec, flags);
462         if (add_new_files)
463                 exit_status |= add_files(&dir, flags);
465  finish:
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"));
470         }
472         return exit_status;