French translation: copy -> copie.
[git/dscho.git] / builtin / checkout-index.c
blobb1feda7d5ef34f45ed2de018a56149212b51ec0a
1 /*
2 * Check-out files from the "current cache directory"
4 * Copyright (C) 2005 Linus Torvalds
6 */
7 #include "builtin.h"
8 #include "cache.h"
9 #include "quote.h"
10 #include "cache-tree.h"
11 #include "parse-options.h"
13 #define CHECKOUT_ALL 4
14 static int line_termination = '\n';
15 static int checkout_stage; /* default to checkout stage0 */
16 static int to_tempfile;
17 static char topath[4][PATH_MAX + 1];
19 static struct checkout state;
21 static void write_tempfile_record(const char *name, int prefix_length)
23 int i;
25 if (CHECKOUT_ALL == checkout_stage) {
26 for (i = 1; i < 4; i++) {
27 if (i > 1)
28 putchar(' ');
29 if (topath[i][0])
30 fputs(topath[i], stdout);
31 else
32 putchar('.');
34 } else
35 fputs(topath[checkout_stage], stdout);
37 putchar('\t');
38 write_name_quoted(name + prefix_length, stdout, line_termination);
40 for (i = 0; i < 4; i++) {
41 topath[i][0] = 0;
45 static int checkout_file(const char *name, int prefix_length)
47 int namelen = strlen(name);
48 int pos = cache_name_pos(name, namelen);
49 int has_same_name = 0;
50 int did_checkout = 0;
51 int errs = 0;
53 if (pos < 0)
54 pos = -pos - 1;
56 while (pos < active_nr) {
57 struct cache_entry *ce = active_cache[pos];
58 if (ce_namelen(ce) != namelen ||
59 memcmp(ce->name, name, namelen))
60 break;
61 has_same_name = 1;
62 pos++;
63 if (ce_stage(ce) != checkout_stage
64 && (CHECKOUT_ALL != checkout_stage || !ce_stage(ce)))
65 continue;
66 did_checkout = 1;
67 if (checkout_entry(ce, &state,
68 to_tempfile ? topath[ce_stage(ce)] : NULL) < 0)
69 errs++;
72 if (did_checkout) {
73 if (to_tempfile)
74 write_tempfile_record(name, prefix_length);
75 return errs > 0 ? -1 : 0;
78 if (!state.quiet) {
79 fprintf(stderr, "git checkout-index: %s ", name);
80 if (!has_same_name)
81 fprintf(stderr, "is not in the cache");
82 else if (checkout_stage)
83 fprintf(stderr, "does not exist at stage %d",
84 checkout_stage);
85 else
86 fprintf(stderr, "is unmerged");
87 fputc('\n', stderr);
89 return -1;
92 static void checkout_all(const char *prefix, int prefix_length)
94 int i, errs = 0;
95 struct cache_entry *last_ce = NULL;
97 for (i = 0; i < active_nr ; i++) {
98 struct cache_entry *ce = active_cache[i];
99 if (ce_stage(ce) != checkout_stage
100 && (CHECKOUT_ALL != checkout_stage || !ce_stage(ce)))
101 continue;
102 if (prefix && *prefix &&
103 (ce_namelen(ce) <= prefix_length ||
104 memcmp(prefix, ce->name, prefix_length)))
105 continue;
106 if (last_ce && to_tempfile) {
107 if (ce_namelen(last_ce) != ce_namelen(ce)
108 || memcmp(last_ce->name, ce->name, ce_namelen(ce)))
109 write_tempfile_record(last_ce->name, prefix_length);
111 if (checkout_entry(ce, &state,
112 to_tempfile ? topath[ce_stage(ce)] : NULL) < 0)
113 errs++;
114 last_ce = ce;
116 if (last_ce && to_tempfile)
117 write_tempfile_record(last_ce->name, prefix_length);
118 if (errs)
119 /* we have already done our error reporting.
120 * exit with the same code as die().
122 exit(128);
125 static const char * const builtin_checkout_index_usage[] = {
126 N_("git checkout-index [options] [--] [<file>...]"),
127 NULL
130 static struct lock_file lock_file;
132 static int option_parse_u(const struct option *opt,
133 const char *arg, int unset)
135 int *newfd = opt->value;
137 state.refresh_cache = 1;
138 if (*newfd < 0)
139 *newfd = hold_locked_index(&lock_file, 1);
140 return 0;
143 static int option_parse_z(const struct option *opt,
144 const char *arg, int unset)
146 if (unset)
147 line_termination = '\n';
148 else
149 line_termination = 0;
150 return 0;
153 static int option_parse_prefix(const struct option *opt,
154 const char *arg, int unset)
156 state.base_dir = arg;
157 state.base_dir_len = strlen(arg);
158 return 0;
161 static int option_parse_stage(const struct option *opt,
162 const char *arg, int unset)
164 if (!strcmp(arg, "all")) {
165 to_tempfile = 1;
166 checkout_stage = CHECKOUT_ALL;
167 } else {
168 int ch = arg[0];
169 if ('1' <= ch && ch <= '3')
170 checkout_stage = arg[0] - '0';
171 else
172 die("stage should be between 1 and 3 or all");
174 return 0;
177 int cmd_checkout_index(int argc, const char **argv, const char *prefix)
179 int i;
180 int newfd = -1;
181 int all = 0;
182 int read_from_stdin = 0;
183 int prefix_length;
184 int force = 0, quiet = 0, not_new = 0;
185 struct option builtin_checkout_index_options[] = {
186 OPT_BOOLEAN('a', "all", &all,
187 N_("check out all files in the index")),
188 OPT__FORCE(&force, N_("force overwrite of existing files")),
189 OPT__QUIET(&quiet,
190 N_("no warning for existing files and files not in index")),
191 OPT_BOOLEAN('n', "no-create", &not_new,
192 N_("don't checkout new files")),
193 { OPTION_CALLBACK, 'u', "index", &newfd, NULL,
194 N_("update stat information in the index file"),
195 PARSE_OPT_NOARG, option_parse_u },
196 { OPTION_CALLBACK, 'z', NULL, NULL, NULL,
197 N_("paths are separated with NUL character"),
198 PARSE_OPT_NOARG, option_parse_z },
199 OPT_BOOLEAN(0, "stdin", &read_from_stdin,
200 N_("read list of paths from the standard input")),
201 OPT_BOOLEAN(0, "temp", &to_tempfile,
202 N_("write the content to temporary files")),
203 OPT_CALLBACK(0, "prefix", NULL, N_("string"),
204 N_("when creating files, prepend <string>"),
205 option_parse_prefix),
206 OPT_CALLBACK(0, "stage", NULL, NULL,
207 N_("copy out the files from named stage"),
208 option_parse_stage),
209 OPT_END()
212 if (argc == 2 && !strcmp(argv[1], "-h"))
213 usage_with_options(builtin_checkout_index_usage,
214 builtin_checkout_index_options);
215 git_config(git_default_config, NULL);
216 state.base_dir = "";
217 prefix_length = prefix ? strlen(prefix) : 0;
219 if (read_cache() < 0) {
220 die("invalid cache");
223 argc = parse_options(argc, argv, prefix, builtin_checkout_index_options,
224 builtin_checkout_index_usage, 0);
225 state.force = force;
226 state.quiet = quiet;
227 state.not_new = not_new;
229 if (state.base_dir_len || to_tempfile) {
230 /* when --prefix is specified we do not
231 * want to update cache.
233 if (state.refresh_cache) {
234 rollback_lock_file(&lock_file);
235 newfd = -1;
237 state.refresh_cache = 0;
240 /* Check out named files first */
241 for (i = 0; i < argc; i++) {
242 const char *arg = argv[i];
243 const char *p;
245 if (all)
246 die("git checkout-index: don't mix '--all' and explicit filenames");
247 if (read_from_stdin)
248 die("git checkout-index: don't mix '--stdin' and explicit filenames");
249 p = prefix_path(prefix, prefix_length, arg);
250 checkout_file(p, prefix_length);
251 if (p < arg || p > arg + strlen(arg))
252 free((char *)p);
255 if (read_from_stdin) {
256 struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
258 if (all)
259 die("git checkout-index: don't mix '--all' and '--stdin'");
261 while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
262 const char *p;
263 if (line_termination && buf.buf[0] == '"') {
264 strbuf_reset(&nbuf);
265 if (unquote_c_style(&nbuf, buf.buf, NULL))
266 die("line is badly quoted");
267 strbuf_swap(&buf, &nbuf);
269 p = prefix_path(prefix, prefix_length, buf.buf);
270 checkout_file(p, prefix_length);
271 if (p < buf.buf || p > buf.buf + buf.len)
272 free((char *)p);
274 strbuf_release(&nbuf);
275 strbuf_release(&buf);
278 if (all)
279 checkout_all(prefix, prefix_length);
281 if (0 <= newfd &&
282 (write_cache(newfd, active_cache, active_nr) ||
283 commit_locked_index(&lock_file)))
284 die("Unable to write new index file");
285 return 0;