i18n: check-attr: mark parseopt strings for translation
[git/git.git] / builtin / checkout-index.c
CommitLineData
33db5f4d
LT
1/*
2 * Check-out files from the "current cache directory"
3 *
4 * Copyright (C) 2005 Linus Torvalds
5 *
33db5f4d 6 */
baffc0e7 7#include "builtin.h"
33db5f4d 8#include "cache.h"
9debe63d 9#include "quote.h"
bad68ec9 10#include "cache-tree.h"
a6c7db1b 11#include "parse-options.h"
33db5f4d 12
de84f99c 13#define CHECKOUT_ALL 4
de84f99c 14static int line_termination = '\n';
3bd348ae 15static int checkout_stage; /* default to checkout stage0 */
de84f99c 16static int to_tempfile;
095c424d 17static char topath[4][PATH_MAX + 1];
c3e9a653 18
344c52ae 19static struct checkout state;
33db5f4d 20
e414156a 21static void write_tempfile_record(const char *name, int prefix_length)
de84f99c
SP
22{
23 int i;
24
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('.');
33 }
34 } else
35 fputs(topath[checkout_stage], stdout);
36
37 putchar('\t');
663af342 38 write_name_quoted(name + prefix_length, stdout, line_termination);
de84f99c
SP
39
40 for (i = 0; i < 4; i++) {
41 topath[i][0] = 0;
42 }
43}
44
e414156a 45static int checkout_file(const char *name, int prefix_length)
33db5f4d 46{
3bd348ae
JH
47 int namelen = strlen(name);
48 int pos = cache_name_pos(name, namelen);
49 int has_same_name = 0;
de84f99c
SP
50 int did_checkout = 0;
51 int errs = 0;
3bd348ae
JH
52
53 if (pos < 0)
54 pos = -pos - 1;
55
56 while (pos < active_nr) {
57 struct cache_entry *ce = active_cache[pos];
f4f9adae 58 if (ce_namelen(ce) != namelen ||
3bd348ae
JH
59 memcmp(ce->name, name, namelen))
60 break;
61 has_same_name = 1;
3bd348ae 62 pos++;
de84f99c
SP
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++;
70 }
71
72 if (did_checkout) {
73 if (to_tempfile)
e414156a 74 write_tempfile_record(name, prefix_length);
de84f99c 75 return errs > 0 ? -1 : 0;
33db5f4d 76 }
3bd348ae
JH
77
78 if (!state.quiet) {
05207a28 79 fprintf(stderr, "git checkout-index: %s ", name);
3bd348ae
JH
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);
88 }
89 return -1;
33db5f4d
LT
90}
91
f7f0fbfc 92static void checkout_all(const char *prefix, int prefix_length)
33db5f4d 93{
4b12dae6 94 int i, errs = 0;
4b25d091 95 struct cache_entry *last_ce = NULL;
33db5f4d
LT
96
97 for (i = 0; i < active_nr ; i++) {
98 struct cache_entry *ce = active_cache[i];
de84f99c
SP
99 if (ce_stage(ce) != checkout_stage
100 && (CHECKOUT_ALL != checkout_stage || !ce_stage(ce)))
d9f98eeb 101 continue;
c3e9a653 102 if (prefix && *prefix &&
3bd348ae
JH
103 (ce_namelen(ce) <= prefix_length ||
104 memcmp(prefix, ce->name, prefix_length)))
c3e9a653 105 continue;
de84f99c
SP
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)))
e414156a 109 write_tempfile_record(last_ce->name, prefix_length);
de84f99c
SP
110 }
111 if (checkout_entry(ce, &state,
112 to_tempfile ? topath[ce_stage(ce)] : NULL) < 0)
4b12dae6 113 errs++;
de84f99c 114 last_ce = ce;
33db5f4d 115 }
de84f99c 116 if (last_ce && to_tempfile)
e414156a 117 write_tempfile_record(last_ce->name, prefix_length);
4b12dae6
JH
118 if (errs)
119 /* we have already done our error reporting.
120 * exit with the same code as die().
121 */
122 exit(128);
33db5f4d
LT
123}
124
a6c7db1b 125static const char * const builtin_checkout_index_usage[] = {
d0bb1366 126 "git checkout-index [options] [--] [<file>...]",
a6c7db1b
MV
127 NULL
128};
d46ad9c9 129
021b6e45 130static struct lock_file lock_file;
31f584c2 131
a6c7db1b
MV
132static int option_parse_u(const struct option *opt,
133 const char *arg, int unset)
134{
135 int *newfd = opt->value;
136
137 state.refresh_cache = 1;
138 if (*newfd < 0)
139 *newfd = hold_locked_index(&lock_file, 1);
140 return 0;
141}
142
143static int option_parse_z(const struct option *opt,
144 const char *arg, int unset)
145{
146 if (unset)
147 line_termination = '\n';
148 else
149 line_termination = 0;
150 return 0;
151}
152
153static int option_parse_prefix(const struct option *opt,
154 const char *arg, int unset)
155{
156 state.base_dir = arg;
157 state.base_dir_len = strlen(arg);
158 return 0;
159}
160
161static int option_parse_stage(const struct option *opt,
162 const char *arg, int unset)
163{
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");
173 }
174 return 0;
175}
176
e414156a 177int cmd_checkout_index(int argc, const char **argv, const char *prefix)
33db5f4d 178{
a65a686f 179 int i;
415e96c8 180 int newfd = -1;
a65a686f 181 int all = 0;
9debe63d 182 int read_from_stdin = 0;
e414156a 183 int prefix_length;
a6c7db1b
MV
184 int force = 0, quiet = 0, not_new = 0;
185 struct option builtin_checkout_index_options[] = {
186 OPT_BOOLEAN('a', "all", &all,
187 "checks out all files in the index"),
76946b76 188 OPT__FORCE(&force, "forces overwrite of existing files"),
8c839683
JN
189 OPT__QUIET(&quiet,
190 "no warning for existing files and files not in index"),
a6c7db1b
MV
191 OPT_BOOLEAN('n', "no-create", &not_new,
192 "don't checkout new files"),
193 { OPTION_CALLBACK, 'u', "index", &newfd, NULL,
194 "update stat information in the index file",
195 PARSE_OPT_NOARG, option_parse_u },
196 { OPTION_CALLBACK, 'z', NULL, NULL, NULL,
197 "paths are separated with NUL character",
198 PARSE_OPT_NOARG, option_parse_z },
199 OPT_BOOLEAN(0, "stdin", &read_from_stdin,
200 "read list of paths from the standard input"),
201 OPT_BOOLEAN(0, "temp", &to_tempfile,
202 "write the content to temporary files"),
203 OPT_CALLBACK(0, "prefix", NULL, "string",
204 "when creating files, prepend <string>",
205 option_parse_prefix),
206 OPT_CALLBACK(0, "stage", NULL, NULL,
207 "copy out the files from named stage",
208 option_parse_stage),
209 OPT_END()
210 };
33db5f4d 211
cf9d52e4
NTND
212 if (argc == 2 && !strcmp(argv[1], "-h"))
213 usage_with_options(builtin_checkout_index_usage,
214 builtin_checkout_index_options);
ef90d6d4 215 git_config(git_default_config, NULL);
e414156a 216 state.base_dir = "";
c3e9a653
JH
217 prefix_length = prefix ? strlen(prefix) : 0;
218
33db5f4d 219 if (read_cache() < 0) {
2de381f9 220 die("invalid cache");
33db5f4d
LT
221 }
222
37782920 223 argc = parse_options(argc, argv, prefix, builtin_checkout_index_options,
a6c7db1b
MV
224 builtin_checkout_index_usage, 0);
225 state.force = force;
226 state.quiet = quiet;
227 state.not_new = not_new;
a65a686f 228
de84f99c 229 if (state.base_dir_len || to_tempfile) {
a65a686f
LT
230 /* when --prefix is specified we do not
231 * want to update cache.
232 */
233 if (state.refresh_cache) {
021b6e45 234 rollback_lock_file(&lock_file);
4ed7cd3a 235 newfd = -1;
a65a686f
LT
236 }
237 state.refresh_cache = 0;
238 }
239
240 /* Check out named files first */
a6c7db1b 241 for (i = 0; i < argc; i++) {
a65a686f 242 const char *arg = argv[i];
dc46da22 243 const char *p;
a65a686f
LT
244
245 if (all)
7e44c935 246 die("git checkout-index: don't mix '--all' and explicit filenames");
9debe63d 247 if (read_from_stdin)
7e44c935 248 die("git checkout-index: don't mix '--stdin' and explicit filenames");
dc46da22 249 p = prefix_path(prefix, prefix_length, arg);
e414156a 250 checkout_file(p, prefix_length);
be65e7d9 251 if (p < arg || p > arg + strlen(arg))
4b25d091 252 free((char *)p);
33db5f4d 253 }
415e96c8 254
9debe63d 255 if (read_from_stdin) {
f285a2d7 256 struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
7fb1011e 257
9debe63d 258 if (all)
7e44c935 259 die("git checkout-index: don't mix '--all' and '--stdin'");
7fb1011e 260
7fb1011e 261 while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
dc46da22 262 const char *p;
7fb1011e
PH
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);
268 }
269 p = prefix_path(prefix, prefix_length, buf.buf);
e414156a 270 checkout_file(p, prefix_length);
7fb1011e 271 if (p < buf.buf || p > buf.buf + buf.len)
dc46da22 272 free((char *)p);
9debe63d 273 }
7fb1011e 274 strbuf_release(&nbuf);
e6c019d0 275 strbuf_release(&buf);
9debe63d
SP
276 }
277
a65a686f 278 if (all)
e414156a 279 checkout_all(prefix, prefix_length);
a65a686f 280
415e96c8
JH
281 if (0 <= newfd &&
282 (write_cache(newfd, active_cache, active_nr) ||
4ed7cd3a 283 commit_locked_index(&lock_file)))
021b6e45 284 die("Unable to write new index file");
33db5f4d
LT
285 return 0;
286}