Makefile: update the default build options for AIX
[git/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 "diff.h"
12 #include "diffcore.h"
13 #include "commit.h"
14 #include "revision.h"
15 #include "run-command.h"
16 #include "parse-options.h"
17
18 static const char * const builtin_add_usage[] = {
19 "git-add [options] [--] <filepattern>...",
20 NULL
21 };
22 static int patch_interactive = 0, add_interactive = 0;
23 static int take_worktree_changes;
24
25 static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
26 {
27 char *seen;
28 int i, specs;
29 struct dir_entry **src, **dst;
30
31 for (specs = 0; pathspec[specs]; specs++)
32 /* nothing */;
33 seen = xcalloc(specs, 1);
34
35 src = dst = dir->entries;
36 i = dir->nr;
37 while (--i >= 0) {
38 struct dir_entry *entry = *src++;
39 if (match_pathspec(pathspec, entry->name, entry->len,
40 prefix, seen))
41 *dst++ = entry;
42 }
43 dir->nr = dst - dir->entries;
44
45 for (i = 0; i < specs; i++) {
46 if (!seen[i] && !file_exists(pathspec[i]))
47 die("pathspec '%s' did not match any files",
48 pathspec[i]);
49 }
50 free(seen);
51 }
52
53 static void fill_directory(struct dir_struct *dir, const char **pathspec,
54 int ignored_too)
55 {
56 const char *path, *base;
57 int baselen;
58
59 /* Set up the default git porcelain excludes */
60 memset(dir, 0, sizeof(*dir));
61 if (!ignored_too) {
62 dir->collect_ignored = 1;
63 setup_standard_excludes(dir);
64 }
65
66 /*
67 * Calculate common prefix for the pathspec, and
68 * use that to optimize the directory walk
69 */
70 baselen = common_prefix(pathspec);
71 path = ".";
72 base = "";
73 if (baselen)
74 path = base = xmemdupz(*pathspec, baselen);
75
76 /* Read the directory and prune it */
77 read_directory(dir, path, base, baselen, pathspec);
78 if (pathspec)
79 prune_directory(dir, pathspec, baselen);
80 }
81
82 static void update_callback(struct diff_queue_struct *q,
83 struct diff_options *opt, void *cbdata)
84 {
85 int i, verbose;
86
87 verbose = *((int *)cbdata);
88 for (i = 0; i < q->nr; i++) {
89 struct diff_filepair *p = q->queue[i];
90 const char *path = p->one->path;
91 switch (p->status) {
92 default:
93 die("unexpected diff status %c", p->status);
94 case DIFF_STATUS_UNMERGED:
95 case DIFF_STATUS_MODIFIED:
96 case DIFF_STATUS_TYPE_CHANGED:
97 add_file_to_cache(path, verbose);
98 break;
99 case DIFF_STATUS_DELETED:
100 remove_file_from_cache(path);
101 if (verbose)
102 printf("remove '%s'\n", path);
103 break;
104 }
105 }
106 }
107
108 void add_files_to_cache(int verbose, const char *prefix, const char **pathspec)
109 {
110 struct rev_info rev;
111 init_revisions(&rev, prefix);
112 setup_revisions(0, NULL, &rev, NULL);
113 rev.prune_data = pathspec;
114 rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
115 rev.diffopt.format_callback = update_callback;
116 rev.diffopt.format_callback_data = &verbose;
117 run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
118 }
119
120 static void refresh(int verbose, const char **pathspec)
121 {
122 char *seen;
123 int i, specs;
124
125 for (specs = 0; pathspec[specs]; specs++)
126 /* nothing */;
127 seen = xcalloc(specs, 1);
128 if (read_cache() < 0)
129 die("index file corrupt");
130 refresh_index(&the_index, verbose ? 0 : REFRESH_QUIET, pathspec, seen);
131 for (i = 0; i < specs; i++) {
132 if (!seen[i])
133 die("pathspec '%s' did not match any files", pathspec[i]);
134 }
135 free(seen);
136 }
137
138 static const char **validate_pathspec(int argc, const char **argv, const char *prefix)
139 {
140 const char **pathspec = get_pathspec(prefix, argv);
141
142 return pathspec;
143 }
144
145 int interactive_add(int argc, const char **argv, const char *prefix)
146 {
147 int status, ac;
148 const char **args;
149 const char **pathspec = NULL;
150
151 if (argc) {
152 pathspec = validate_pathspec(argc, argv, prefix);
153 if (!pathspec)
154 return -1;
155 }
156
157 args = xcalloc(sizeof(const char *), (argc + 4));
158 ac = 0;
159 args[ac++] = "add--interactive";
160 if (patch_interactive)
161 args[ac++] = "--patch";
162 args[ac++] = "--";
163 if (argc) {
164 memcpy(&(args[ac]), pathspec, sizeof(const char *) * argc);
165 ac += argc;
166 }
167 args[ac] = NULL;
168
169 status = run_command_v_opt(args, RUN_GIT_CMD);
170 free(args);
171 return status;
172 }
173
174 static struct lock_file lock_file;
175
176 static const char ignore_error[] =
177 "The following paths are ignored by one of your .gitignore files:\n";
178
179 static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
180
181 static struct option builtin_add_options[] = {
182 OPT__DRY_RUN(&show_only),
183 OPT__VERBOSE(&verbose),
184 OPT_GROUP(""),
185 OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
186 OPT_BOOLEAN('p', "patch", &patch_interactive, "interactive patching"),
187 OPT_BOOLEAN('f', NULL, &ignored_too, "allow adding otherwise ignored files"),
188 OPT_BOOLEAN('u', NULL, &take_worktree_changes, "update tracked files"),
189 OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
190 OPT_END(),
191 };
192
193 int cmd_add(int argc, const char **argv, const char *prefix)
194 {
195 int i, newfd;
196 const char **pathspec;
197 struct dir_struct dir;
198
199 argc = parse_options(argc, argv, builtin_add_options,
200 builtin_add_usage, 0);
201 if (patch_interactive)
202 add_interactive = 1;
203 if (add_interactive)
204 exit(interactive_add(argc, argv, prefix));
205
206 git_config(git_default_config);
207
208 newfd = hold_locked_index(&lock_file, 1);
209
210 if (take_worktree_changes) {
211 const char **pathspec;
212 if (read_cache() < 0)
213 die("index file corrupt");
214 pathspec = get_pathspec(prefix, argv);
215 add_files_to_cache(verbose, prefix, pathspec);
216 goto finish;
217 }
218
219 if (argc == 0) {
220 fprintf(stderr, "Nothing specified, nothing added.\n");
221 fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
222 return 0;
223 }
224 pathspec = get_pathspec(prefix, argv);
225
226 if (refresh_only) {
227 refresh(verbose, pathspec);
228 goto finish;
229 }
230
231 fill_directory(&dir, pathspec, ignored_too);
232
233 if (show_only) {
234 const char *sep = "", *eof = "";
235 for (i = 0; i < dir.nr; i++) {
236 printf("%s%s", sep, dir.entries[i]->name);
237 sep = " ";
238 eof = "\n";
239 }
240 fputs(eof, stdout);
241 return 0;
242 }
243
244 if (read_cache() < 0)
245 die("index file corrupt");
246
247 if (dir.ignored_nr) {
248 fprintf(stderr, ignore_error);
249 for (i = 0; i < dir.ignored_nr; i++) {
250 fprintf(stderr, "%s\n", dir.ignored[i]->name);
251 }
252 fprintf(stderr, "Use -f if you really want to add them.\n");
253 die("no files added");
254 }
255
256 for (i = 0; i < dir.nr; i++)
257 add_file_to_cache(dir.entries[i]->name, verbose);
258
259 finish:
260 if (active_cache_changed) {
261 if (write_cache(newfd, active_cache, active_nr) ||
262 commit_locked_index(&lock_file))
263 die("Unable to write new index file");
264 }
265
266 return 0;
267 }