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Commit | Line | Data |
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33db5f4d LT |
1 | /* |
2 | * Check-out files from the "current cache directory" | |
3 | * | |
4 | * Copyright (C) 2005 Linus Torvalds | |
5 | * | |
33db5f4d | 6 | */ |
07047d68 | 7 | #define USE_THE_INDEX_VARIABLE |
baffc0e7 | 8 | #include "builtin.h" |
b2141fc1 | 9 | #include "config.h" |
88078f54 | 10 | #include "dir.h" |
f394e093 | 11 | #include "gettext.h" |
697cc8ef | 12 | #include "lockfile.h" |
9debe63d | 13 | #include "quote.h" |
d1cbe1e6 | 14 | #include "repository.h" |
bad68ec9 | 15 | #include "cache-tree.h" |
a6c7db1b | 16 | #include "parse-options.h" |
d052cc03 | 17 | #include "entry.h" |
70b052b2 | 18 | #include "parallel-checkout.h" |
08c46a49 | 19 | #include "read-cache-ll.h" |
e38da487 | 20 | #include "setup.h" |
baf889c2 | 21 | #include "sparse-index.h" |
33db5f4d | 22 | |
de84f99c | 23 | #define CHECKOUT_ALL 4 |
a392f57d | 24 | static int nul_term_line; |
3bd348ae | 25 | static int checkout_stage; /* default to checkout stage0 */ |
88078f54 | 26 | static int ignore_skip_worktree; /* default to 0 */ |
9b403865 | 27 | static int to_tempfile = -1; |
af2a651d | 28 | static char topath[4][TEMPORARY_FILENAME_LENGTH + 1]; |
c3e9a653 | 29 | |
68e3d629 | 30 | static struct checkout state = CHECKOUT_INIT; |
33db5f4d | 31 | |
74c4de58 | 32 | static void write_tempfile_record(const char *name, const char *prefix) |
de84f99c SP |
33 | { |
34 | int i; | |
3f7ba603 | 35 | int have_tempname = 0; |
de84f99c SP |
36 | |
37 | if (CHECKOUT_ALL == checkout_stage) { | |
3f7ba603 MT |
38 | for (i = 1; i < 4; i++) |
39 | if (topath[i][0]) { | |
40 | have_tempname = 1; | |
41 | break; | |
42 | } | |
43 | ||
44 | if (have_tempname) { | |
45 | for (i = 1; i < 4; i++) { | |
46 | if (i > 1) | |
47 | putchar(' '); | |
48 | if (topath[i][0]) | |
49 | fputs(topath[i], stdout); | |
50 | else | |
51 | putchar('.'); | |
52 | } | |
de84f99c | 53 | } |
3f7ba603 MT |
54 | } else if (topath[checkout_stage][0]) { |
55 | have_tempname = 1; | |
de84f99c | 56 | fputs(topath[checkout_stage], stdout); |
3f7ba603 | 57 | } |
de84f99c | 58 | |
3f7ba603 MT |
59 | if (have_tempname) { |
60 | putchar('\t'); | |
61 | write_name_quoted_relative(name, prefix, stdout, | |
62 | nul_term_line ? '\0' : '\n'); | |
63 | } | |
de84f99c SP |
64 | |
65 | for (i = 0; i < 4; i++) { | |
66 | topath[i][0] = 0; | |
67 | } | |
68 | } | |
69 | ||
74c4de58 | 70 | static int checkout_file(const char *name, const char *prefix) |
33db5f4d | 71 | { |
3bd348ae | 72 | int namelen = strlen(name); |
07047d68 | 73 | int pos = index_name_pos(&the_index, name, namelen); |
3bd348ae | 74 | int has_same_name = 0; |
35682ada | 75 | int is_file = 0; |
88078f54 | 76 | int is_skipped = 1; |
de84f99c SP |
77 | int did_checkout = 0; |
78 | int errs = 0; | |
3bd348ae JH |
79 | |
80 | if (pos < 0) | |
81 | pos = -pos - 1; | |
82 | ||
dc594180 ÆAB |
83 | while (pos < the_index.cache_nr) { |
84 | struct cache_entry *ce = the_index.cache[pos]; | |
f4f9adae | 85 | if (ce_namelen(ce) != namelen || |
3bd348ae JH |
86 | memcmp(ce->name, name, namelen)) |
87 | break; | |
88 | has_same_name = 1; | |
3bd348ae | 89 | pos++; |
35682ada VD |
90 | if (S_ISSPARSEDIR(ce->ce_mode)) |
91 | break; | |
92 | is_file = 1; | |
88078f54 VD |
93 | if (!ignore_skip_worktree && ce_skip_worktree(ce)) |
94 | break; | |
95 | is_skipped = 0; | |
de84f99c SP |
96 | if (ce_stage(ce) != checkout_stage |
97 | && (CHECKOUT_ALL != checkout_stage || !ce_stage(ce))) | |
98 | continue; | |
99 | did_checkout = 1; | |
100 | if (checkout_entry(ce, &state, | |
0f086e6d NTND |
101 | to_tempfile ? topath[ce_stage(ce)] : NULL, |
102 | NULL) < 0) | |
de84f99c SP |
103 | errs++; |
104 | } | |
105 | ||
106 | if (did_checkout) { | |
107 | if (to_tempfile) | |
74c4de58 | 108 | write_tempfile_record(name, prefix); |
de84f99c | 109 | return errs > 0 ? -1 : 0; |
33db5f4d | 110 | } |
3bd348ae | 111 | |
0b809c82 JK |
112 | /* |
113 | * At this point we know we didn't try to check anything out. If it was | |
114 | * because we did find an entry but it was stage 0, that's not an | |
115 | * error. | |
116 | */ | |
117 | if (has_same_name && checkout_stage == CHECKOUT_ALL) | |
118 | return 0; | |
119 | ||
3bd348ae | 120 | if (!state.quiet) { |
05207a28 | 121 | fprintf(stderr, "git checkout-index: %s ", name); |
3bd348ae JH |
122 | if (!has_same_name) |
123 | fprintf(stderr, "is not in the cache"); | |
35682ada VD |
124 | else if (!is_file) |
125 | fprintf(stderr, "is a sparse directory"); | |
88078f54 VD |
126 | else if (is_skipped) |
127 | fprintf(stderr, "has skip-worktree enabled; " | |
128 | "use '--ignore-skip-worktree-bits' to checkout"); | |
3bd348ae JH |
129 | else if (checkout_stage) |
130 | fprintf(stderr, "does not exist at stage %d", | |
131 | checkout_stage); | |
132 | else | |
133 | fprintf(stderr, "is unmerged"); | |
134 | fputc('\n', stderr); | |
135 | } | |
136 | return -1; | |
33db5f4d LT |
137 | } |
138 | ||
70b052b2 | 139 | static int checkout_all(const char *prefix, int prefix_length) |
33db5f4d | 140 | { |
4b12dae6 | 141 | int i, errs = 0; |
4b25d091 | 142 | struct cache_entry *last_ce = NULL; |
33db5f4d | 143 | |
dc594180 ÆAB |
144 | for (i = 0; i < the_index.cache_nr ; i++) { |
145 | struct cache_entry *ce = the_index.cache[i]; | |
35682ada VD |
146 | |
147 | if (S_ISSPARSEDIR(ce->ce_mode)) { | |
148 | if (!ce_skip_worktree(ce)) | |
149 | BUG("sparse directory '%s' does not have skip-worktree set", ce->name); | |
150 | ||
151 | /* | |
152 | * If the current entry is a sparse directory and skip-worktree | |
153 | * entries are being checked out, expand the index and continue | |
154 | * the loop on the current index position (now pointing to the | |
155 | * first entry inside the expanded sparse directory). | |
156 | */ | |
157 | if (ignore_skip_worktree) { | |
158 | ensure_full_index(&the_index); | |
dc594180 | 159 | ce = the_index.cache[i]; |
35682ada VD |
160 | } |
161 | } | |
162 | ||
88078f54 VD |
163 | if (!ignore_skip_worktree && ce_skip_worktree(ce)) |
164 | continue; | |
de84f99c SP |
165 | if (ce_stage(ce) != checkout_stage |
166 | && (CHECKOUT_ALL != checkout_stage || !ce_stage(ce))) | |
d9f98eeb | 167 | continue; |
c3e9a653 | 168 | if (prefix && *prefix && |
3bd348ae JH |
169 | (ce_namelen(ce) <= prefix_length || |
170 | memcmp(prefix, ce->name, prefix_length))) | |
c3e9a653 | 171 | continue; |
de84f99c SP |
172 | if (last_ce && to_tempfile) { |
173 | if (ce_namelen(last_ce) != ce_namelen(ce) | |
174 | || memcmp(last_ce->name, ce->name, ce_namelen(ce))) | |
74c4de58 | 175 | write_tempfile_record(last_ce->name, prefix); |
de84f99c SP |
176 | } |
177 | if (checkout_entry(ce, &state, | |
0f086e6d NTND |
178 | to_tempfile ? topath[ce_stage(ce)] : NULL, |
179 | NULL) < 0) | |
4b12dae6 | 180 | errs++; |
de84f99c | 181 | last_ce = ce; |
33db5f4d | 182 | } |
de84f99c | 183 | if (last_ce && to_tempfile) |
74c4de58 | 184 | write_tempfile_record(last_ce->name, prefix); |
70b052b2 | 185 | return !!errs; |
33db5f4d LT |
186 | } |
187 | ||
a6c7db1b | 188 | static const char * const builtin_checkout_index_usage[] = { |
9c9b4f2f | 189 | N_("git checkout-index [<options>] [--] [<file>...]"), |
a6c7db1b MV |
190 | NULL |
191 | }; | |
d46ad9c9 | 192 | |
a6c7db1b MV |
193 | static int option_parse_stage(const struct option *opt, |
194 | const char *arg, int unset) | |
195 | { | |
66e33092 JK |
196 | int *stage = opt->value; |
197 | ||
517fe807 JK |
198 | BUG_ON_OPT_NEG(unset); |
199 | ||
a6c7db1b | 200 | if (!strcmp(arg, "all")) { |
66e33092 | 201 | *stage = CHECKOUT_ALL; |
a6c7db1b MV |
202 | } else { |
203 | int ch = arg[0]; | |
204 | if ('1' <= ch && ch <= '3') | |
66e33092 | 205 | *stage = arg[0] - '0'; |
a6c7db1b | 206 | else |
22396175 | 207 | die(_("stage should be between 1 and 3 or all")); |
a6c7db1b MV |
208 | } |
209 | return 0; | |
210 | } | |
211 | ||
e414156a | 212 | int cmd_checkout_index(int argc, const char **argv, const char *prefix) |
33db5f4d | 213 | { |
a65a686f | 214 | int i; |
02ae242f | 215 | struct lock_file lock_file = LOCK_INIT; |
a65a686f | 216 | int all = 0; |
9debe63d | 217 | int read_from_stdin = 0; |
e414156a | 218 | int prefix_length; |
a6c7db1b | 219 | int force = 0, quiet = 0, not_new = 0; |
6a6df8aa | 220 | int index_opt = 0; |
7e410615 | 221 | int err = 0; |
70b052b2 | 222 | int pc_workers, pc_threshold; |
a6c7db1b | 223 | struct option builtin_checkout_index_options[] = { |
d5d09d47 | 224 | OPT_BOOL('a', "all", &all, |
f63cf8c9 | 225 | N_("check out all files in the index")), |
88078f54 VD |
226 | OPT_BOOL(0, "ignore-skip-worktree-bits", &ignore_skip_worktree, |
227 | N_("do not skip files with skip-worktree set")), | |
1224781d | 228 | OPT__FORCE(&force, N_("force overwrite of existing files"), 0), |
8c839683 | 229 | OPT__QUIET(&quiet, |
0ed21718 | 230 | N_("no warning for existing files and files not in index")), |
5d4d1440 | 231 | OPT_BOOL('n', "no-create", ¬_new, |
0ed21718 | 232 | N_("don't checkout new files")), |
6a6df8aa JK |
233 | OPT_BOOL('u', "index", &index_opt, |
234 | N_("update stat information in the index file")), | |
9096ee16 JK |
235 | OPT_BOOL('z', NULL, &nul_term_line, |
236 | N_("paths are separated with NUL character")), | |
d5d09d47 | 237 | OPT_BOOL(0, "stdin", &read_from_stdin, |
0ed21718 | 238 | N_("read list of paths from the standard input")), |
d5d09d47 | 239 | OPT_BOOL(0, "temp", &to_tempfile, |
0ed21718 | 240 | N_("write the content to temporary files")), |
5ed5f671 JK |
241 | OPT_STRING(0, "prefix", &state.base_dir, N_("string"), |
242 | N_("when creating files, prepend <string>")), | |
66e33092 | 243 | OPT_CALLBACK_F(0, "stage", &checkout_stage, "(1|2|3|all)", |
0ed21718 | 244 | N_("copy out the files from named stage"), |
203c8533 | 245 | PARSE_OPT_NONEG, option_parse_stage), |
a6c7db1b MV |
246 | OPT_END() |
247 | }; | |
33db5f4d | 248 | |
cf9d52e4 NTND |
249 | if (argc == 2 && !strcmp(argv[1], "-h")) |
250 | usage_with_options(builtin_checkout_index_usage, | |
251 | builtin_checkout_index_options); | |
ef90d6d4 | 252 | git_config(git_default_config, NULL); |
c3e9a653 JH |
253 | prefix_length = prefix ? strlen(prefix) : 0; |
254 | ||
35682ada VD |
255 | prepare_repo_settings(the_repository); |
256 | the_repository->settings.command_requires_full_index = 0; | |
257 | ||
07047d68 | 258 | if (repo_read_index(the_repository) < 0) { |
2de381f9 | 259 | die("invalid cache"); |
33db5f4d LT |
260 | } |
261 | ||
37782920 | 262 | argc = parse_options(argc, argv, prefix, builtin_checkout_index_options, |
a6c7db1b | 263 | builtin_checkout_index_usage, 0); |
74cfc0ee | 264 | state.istate = &the_index; |
a6c7db1b MV |
265 | state.force = force; |
266 | state.quiet = quiet; | |
267 | state.not_new = not_new; | |
a65a686f | 268 | |
5ed5f671 JK |
269 | if (!state.base_dir) |
270 | state.base_dir = ""; | |
271 | state.base_dir_len = strlen(state.base_dir); | |
272 | ||
9b403865 JK |
273 | if (to_tempfile < 0) |
274 | to_tempfile = (checkout_stage == CHECKOUT_ALL); | |
275 | if (!to_tempfile && checkout_stage == CHECKOUT_ALL) | |
276 | die(_("options '%s' and '%s' cannot be used together"), | |
277 | "--stage=all", "--no-temp"); | |
278 | ||
6a6df8aa JK |
279 | /* |
280 | * when --prefix is specified we do not want to update cache. | |
281 | */ | |
282 | if (index_opt && !state.base_dir_len && !to_tempfile) { | |
283 | state.refresh_cache = 1; | |
284 | state.istate = &the_index; | |
07047d68 ÆAB |
285 | repo_hold_locked_index(the_repository, &lock_file, |
286 | LOCK_DIE_ON_ERROR); | |
a65a686f LT |
287 | } |
288 | ||
70b052b2 MT |
289 | get_parallel_checkout_configs(&pc_workers, &pc_threshold); |
290 | if (pc_workers > 1) | |
291 | init_parallel_checkout(); | |
292 | ||
a65a686f | 293 | /* Check out named files first */ |
a6c7db1b | 294 | for (i = 0; i < argc; i++) { |
a65a686f | 295 | const char *arg = argv[i]; |
d7a643b7 | 296 | char *p; |
a65a686f LT |
297 | |
298 | if (all) | |
7e44c935 | 299 | die("git checkout-index: don't mix '--all' and explicit filenames"); |
9debe63d | 300 | if (read_from_stdin) |
7e44c935 | 301 | die("git checkout-index: don't mix '--stdin' and explicit filenames"); |
dc46da22 | 302 | p = prefix_path(prefix, prefix_length, arg); |
7e410615 | 303 | err |= checkout_file(p, prefix); |
d7a643b7 | 304 | free(p); |
33db5f4d | 305 | } |
415e96c8 | 306 | |
9debe63d | 307 | if (read_from_stdin) { |
0d4cc1b4 JK |
308 | struct strbuf buf = STRBUF_INIT; |
309 | struct strbuf unquoted = STRBUF_INIT; | |
a392f57d | 310 | strbuf_getline_fn getline_fn; |
7fb1011e | 311 | |
9debe63d | 312 | if (all) |
7e44c935 | 313 | die("git checkout-index: don't mix '--all' and '--stdin'"); |
7fb1011e | 314 | |
a392f57d JH |
315 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; |
316 | while (getline_fn(&buf, stdin) != EOF) { | |
d7a643b7 | 317 | char *p; |
a392f57d | 318 | if (!nul_term_line && buf.buf[0] == '"') { |
0d4cc1b4 JK |
319 | strbuf_reset(&unquoted); |
320 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
7fb1011e | 321 | die("line is badly quoted"); |
0d4cc1b4 | 322 | strbuf_swap(&buf, &unquoted); |
7fb1011e PH |
323 | } |
324 | p = prefix_path(prefix, prefix_length, buf.buf); | |
7e410615 | 325 | err |= checkout_file(p, prefix); |
d7a643b7 | 326 | free(p); |
9debe63d | 327 | } |
0d4cc1b4 | 328 | strbuf_release(&unquoted); |
e6c019d0 | 329 | strbuf_release(&buf); |
9debe63d SP |
330 | } |
331 | ||
70b052b2 MT |
332 | if (all) |
333 | err |= checkout_all(prefix, prefix_length); | |
334 | ||
335 | if (pc_workers > 1) | |
336 | err |= run_parallel_checkout(&state, pc_workers, pc_threshold, | |
337 | NULL, NULL); | |
338 | ||
7e410615 JK |
339 | if (err) |
340 | return 1; | |
341 | ||
02ae242f | 342 | if (is_lock_file_locked(&lock_file) && |
03b86647 | 343 | write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
021b6e45 | 344 | die("Unable to write new index file"); |
33db5f4d LT |
345 | return 0; |
346 | } |