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Commit | Line | Data |
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8bc9a0c7 LT |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | */ | |
e83c5163 | 6 | #include "cache.h" |
b2141fc1 | 7 | #include "config.h" |
697cc8ef | 8 | #include "lockfile.h" |
973d6a20 | 9 | #include "quote.h" |
a6e5642f | 10 | #include "cache-tree.h" |
2bd452d3 | 11 | #include "tree-walk.h" |
fefe81c9 | 12 | #include "builtin.h" |
e011054b | 13 | #include "refs.h" |
4a39f79d | 14 | #include "resolve-undo.h" |
309be813 | 15 | #include "parse-options.h" |
64acde94 | 16 | #include "pathspec.h" |
429bb40a | 17 | #include "dir.h" |
c18b80a0 | 18 | #include "split-index.h" |
e83c5163 | 19 | |
121481ab LT |
20 | /* |
21 | * Default to not allowing changes to the list of files. The | |
22 | * tool doesn't actually care, but this makes it harder to add | |
23 | * files to the revision control by mistake by doing something | |
f18d244a | 24 | * like "git update-index *" and suddenly having all the object |
121481ab LT |
25 | * files be revision controlled. |
26 | */ | |
caf4f582 JH |
27 | static int allow_add; |
28 | static int allow_remove; | |
29 | static int allow_replace; | |
caf4f582 | 30 | static int info_only; |
9b63f501 | 31 | static int force_remove; |
caf4f582 | 32 | static int verbose; |
96f1e58f | 33 | static int mark_valid_only; |
44a36913 | 34 | static int mark_skip_worktree_only; |
83b327ba NTND |
35 | #define MARK_FLAG 1 |
36 | #define UNMARK_FLAG 2 | |
f64cb88d | 37 | static struct strbuf mtime_dir = STRBUF_INIT; |
5f73076c | 38 | |
113e6413 CC |
39 | /* Untracked cache mode */ |
40 | enum uc_mode { | |
41 | UC_UNSPECIFIED = -1, | |
42 | UC_DISABLE = 0, | |
43 | UC_ENABLE, | |
eaab83d0 | 44 | UC_TEST, |
113e6413 CC |
45 | UC_FORCE |
46 | }; | |
47 | ||
28bea9e5 | 48 | __attribute__((format (printf, 1, 2))) |
caf4f582 JH |
49 | static void report(const char *fmt, ...) |
50 | { | |
51 | va_list vp; | |
52 | ||
53 | if (!verbose) | |
54 | return; | |
55 | ||
56 | va_start(vp, fmt); | |
57 | vprintf(fmt, vp); | |
58 | putchar('\n'); | |
59 | va_end(vp); | |
60 | } | |
61 | ||
f64cb88d NTND |
62 | static void remove_test_directory(void) |
63 | { | |
64 | if (mtime_dir.len) | |
65 | remove_dir_recursively(&mtime_dir, 0); | |
66 | } | |
67 | ||
68 | static const char *get_mtime_path(const char *path) | |
69 | { | |
70 | static struct strbuf sb = STRBUF_INIT; | |
71 | strbuf_reset(&sb); | |
72 | strbuf_addf(&sb, "%s/%s", mtime_dir.buf, path); | |
73 | return sb.buf; | |
74 | } | |
75 | ||
76 | static void xmkdir(const char *path) | |
77 | { | |
78 | path = get_mtime_path(path); | |
79 | if (mkdir(path, 0700)) | |
80 | die_errno(_("failed to create directory %s"), path); | |
81 | } | |
82 | ||
83 | static int xstat_mtime_dir(struct stat *st) | |
84 | { | |
85 | if (stat(mtime_dir.buf, st)) | |
86 | die_errno(_("failed to stat %s"), mtime_dir.buf); | |
87 | return 0; | |
88 | } | |
89 | ||
90 | static int create_file(const char *path) | |
91 | { | |
92 | int fd; | |
93 | path = get_mtime_path(path); | |
94 | fd = open(path, O_CREAT | O_RDWR, 0644); | |
95 | if (fd < 0) | |
96 | die_errno(_("failed to create file %s"), path); | |
97 | return fd; | |
98 | } | |
99 | ||
100 | static void xunlink(const char *path) | |
101 | { | |
102 | path = get_mtime_path(path); | |
103 | if (unlink(path)) | |
104 | die_errno(_("failed to delete file %s"), path); | |
105 | } | |
106 | ||
107 | static void xrmdir(const char *path) | |
108 | { | |
109 | path = get_mtime_path(path); | |
110 | if (rmdir(path)) | |
111 | die_errno(_("failed to delete directory %s"), path); | |
112 | } | |
113 | ||
114 | static void avoid_racy(void) | |
115 | { | |
116 | /* | |
117 | * not use if we could usleep(10) if USE_NSEC is defined. The | |
118 | * field nsec could be there, but the OS could choose to | |
119 | * ignore it? | |
120 | */ | |
121 | sleep(1); | |
122 | } | |
123 | ||
124 | static int test_if_untracked_cache_is_supported(void) | |
125 | { | |
126 | struct stat st; | |
127 | struct stat_data base; | |
128 | int fd, ret = 0; | |
c105f563 | 129 | char *cwd; |
f64cb88d NTND |
130 | |
131 | strbuf_addstr(&mtime_dir, "mtime-test-XXXXXX"); | |
132 | if (!mkdtemp(mtime_dir.buf)) | |
133 | die_errno("Could not make temporary directory"); | |
134 | ||
c105f563 CC |
135 | cwd = xgetcwd(); |
136 | fprintf(stderr, _("Testing mtime in '%s' "), cwd); | |
137 | free(cwd); | |
138 | ||
f64cb88d NTND |
139 | atexit(remove_test_directory); |
140 | xstat_mtime_dir(&st); | |
141 | fill_stat_data(&base, &st); | |
142 | fputc('.', stderr); | |
143 | ||
144 | avoid_racy(); | |
145 | fd = create_file("newfile"); | |
146 | xstat_mtime_dir(&st); | |
147 | if (!match_stat_data(&base, &st)) { | |
148 | close(fd); | |
149 | fputc('\n', stderr); | |
150 | fprintf_ln(stderr,_("directory stat info does not " | |
151 | "change after adding a new file")); | |
152 | goto done; | |
153 | } | |
154 | fill_stat_data(&base, &st); | |
155 | fputc('.', stderr); | |
156 | ||
157 | avoid_racy(); | |
158 | xmkdir("new-dir"); | |
159 | xstat_mtime_dir(&st); | |
160 | if (!match_stat_data(&base, &st)) { | |
161 | close(fd); | |
162 | fputc('\n', stderr); | |
163 | fprintf_ln(stderr, _("directory stat info does not change " | |
164 | "after adding a new directory")); | |
165 | goto done; | |
166 | } | |
167 | fill_stat_data(&base, &st); | |
168 | fputc('.', stderr); | |
169 | ||
170 | avoid_racy(); | |
171 | write_or_die(fd, "data", 4); | |
172 | close(fd); | |
173 | xstat_mtime_dir(&st); | |
174 | if (match_stat_data(&base, &st)) { | |
175 | fputc('\n', stderr); | |
176 | fprintf_ln(stderr, _("directory stat info changes " | |
177 | "after updating a file")); | |
178 | goto done; | |
179 | } | |
180 | fputc('.', stderr); | |
181 | ||
182 | avoid_racy(); | |
183 | close(create_file("new-dir/new")); | |
184 | xstat_mtime_dir(&st); | |
185 | if (match_stat_data(&base, &st)) { | |
186 | fputc('\n', stderr); | |
187 | fprintf_ln(stderr, _("directory stat info changes after " | |
188 | "adding a file inside subdirectory")); | |
189 | goto done; | |
190 | } | |
191 | fputc('.', stderr); | |
192 | ||
193 | avoid_racy(); | |
194 | xunlink("newfile"); | |
195 | xstat_mtime_dir(&st); | |
196 | if (!match_stat_data(&base, &st)) { | |
197 | fputc('\n', stderr); | |
198 | fprintf_ln(stderr, _("directory stat info does not " | |
199 | "change after deleting a file")); | |
200 | goto done; | |
201 | } | |
202 | fill_stat_data(&base, &st); | |
203 | fputc('.', stderr); | |
204 | ||
205 | avoid_racy(); | |
206 | xunlink("new-dir/new"); | |
207 | xrmdir("new-dir"); | |
208 | xstat_mtime_dir(&st); | |
209 | if (!match_stat_data(&base, &st)) { | |
210 | fputc('\n', stderr); | |
211 | fprintf_ln(stderr, _("directory stat info does not " | |
212 | "change after deleting a directory")); | |
213 | goto done; | |
214 | } | |
215 | ||
216 | if (rmdir(mtime_dir.buf)) | |
217 | die_errno(_("failed to delete directory %s"), mtime_dir.buf); | |
218 | fprintf_ln(stderr, _(" OK")); | |
219 | ret = 1; | |
220 | ||
221 | done: | |
222 | strbuf_release(&mtime_dir); | |
223 | return ret; | |
224 | } | |
225 | ||
83b327ba | 226 | static int mark_ce_flags(const char *path, int flag, int mark) |
5f73076c JH |
227 | { |
228 | int namelen = strlen(path); | |
229 | int pos = cache_name_pos(path, namelen); | |
230 | if (0 <= pos) { | |
83b327ba NTND |
231 | if (mark) |
232 | active_cache[pos]->ce_flags |= flag; | |
233 | else | |
234 | active_cache[pos]->ce_flags &= ~flag; | |
078a58e8 | 235 | active_cache[pos]->ce_flags |= CE_UPDATE_IN_BASE; |
a5400efe | 236 | cache_tree_invalidate_path(&the_index, path); |
782a5ff9 | 237 | active_cache_changed |= CE_ENTRY_CHANGED; |
5f73076c JH |
238 | return 0; |
239 | } | |
240 | return -1; | |
241 | } | |
242 | ||
e011054b | 243 | static int remove_one_path(const char *path) |
e83c5163 | 244 | { |
e011054b LT |
245 | if (!allow_remove) |
246 | return error("%s: does not exist and --remove not passed", path); | |
247 | if (remove_file_from_cache(path)) | |
248 | return error("%s: cannot remove from the index", path); | |
249 | return 0; | |
250 | } | |
a6e5642f | 251 | |
e011054b LT |
252 | /* |
253 | * Handle a path that couldn't be lstat'ed. It's either: | |
254 | * - missing file (ENOENT or ENOTDIR). That's ok if we're | |
255 | * supposed to be removing it and the removal actually | |
256 | * succeeds. | |
257 | * - permission error. That's never ok. | |
258 | */ | |
259 | static int process_lstat_error(const char *path, int err) | |
260 | { | |
c7054209 | 261 | if (is_missing_file_error(err)) |
e011054b | 262 | return remove_one_path(path); |
23d05364 | 263 | return error("lstat(\"%s\"): %s", path, strerror(err)); |
e011054b | 264 | } |
a6e5642f | 265 | |
9c5e6c80 | 266 | static int add_one_path(const struct cache_entry *old, const char *path, int len, struct stat *st) |
e011054b | 267 | { |
22631473 LT |
268 | int option, size; |
269 | struct cache_entry *ce; | |
3e09cdfd | 270 | |
22631473 LT |
271 | /* Was the old index entry already up-to-date? */ |
272 | if (old && !ce_stage(old) && !ce_match_stat(old, st, 0)) | |
273 | return 0; | |
274 | ||
275 | size = cache_entry_size(len); | |
276 | ce = xcalloc(1, size); | |
e011054b | 277 | memcpy(ce->name, path, len); |
b60e188c TG |
278 | ce->ce_flags = create_ce_flags(0); |
279 | ce->ce_namelen = len; | |
e011054b LT |
280 | fill_stat_cache_info(ce, st); |
281 | ce->ce_mode = ce_mode_from_stat(old, st->st_mode); | |
ec1fcc16 | 282 | |
99d1a986 | 283 | if (index_path(ce->oid.hash, path, st, |
dc4cd767 JM |
284 | info_only ? 0 : HASH_WRITE_OBJECT)) { |
285 | free(ce); | |
ec1fcc16 | 286 | return -1; |
dc4cd767 | 287 | } |
192268c1 JH |
288 | option = allow_add ? ADD_CACHE_OK_TO_ADD : 0; |
289 | option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0; | |
34143b26 | 290 | if (add_cache_entry(ce, option)) |
e011054b | 291 | return error("%s: cannot add to the index - missing --add option?", path); |
34143b26 | 292 | return 0; |
121481ab LT |
293 | } |
294 | ||
e011054b LT |
295 | /* |
296 | * Handle a path that was a directory. Four cases: | |
297 | * | |
298 | * - it's already a gitlink in the index, and we keep it that | |
299 | * way, and update it if we can (if we cannot find the HEAD, | |
300 | * we're going to keep it unchanged in the index!) | |
301 | * | |
302 | * - it's a *file* in the index, in which case it should be | |
303 | * removed as a file if removal is allowed, since it doesn't | |
304 | * exist as such any more. If removal isn't allowed, it's | |
305 | * an error. | |
306 | * | |
307 | * (NOTE! This is old and arguably fairly strange behaviour. | |
308 | * We might want to make this an error unconditionally, and | |
309 | * use "--force-remove" if you actually want to force removal). | |
310 | * | |
311 | * - it used to exist as a subdirectory (ie multiple files with | |
312 | * this particular prefix) in the index, in which case it's wrong | |
313 | * to try to update it as a directory. | |
314 | * | |
315 | * - it doesn't exist at all in the index, but it is a valid | |
316 | * git directory, and it should be *added* as a gitlink. | |
317 | */ | |
318 | static int process_directory(const char *path, int len, struct stat *st) | |
319 | { | |
71445a0f | 320 | struct object_id oid; |
e011054b LT |
321 | int pos = cache_name_pos(path, len); |
322 | ||
323 | /* Exact match: file or existing gitlink */ | |
324 | if (pos >= 0) { | |
9c5e6c80 | 325 | const struct cache_entry *ce = active_cache[pos]; |
7a51ed66 | 326 | if (S_ISGITLINK(ce->ce_mode)) { |
e011054b LT |
327 | |
328 | /* Do nothing to the index if there is no HEAD! */ | |
71445a0f | 329 | if (resolve_gitlink_ref(path, "HEAD", oid.hash) < 0) |
e011054b LT |
330 | return 0; |
331 | ||
332 | return add_one_path(ce, path, len, st); | |
333 | } | |
334 | /* Should this be an unconditional error? */ | |
335 | return remove_one_path(path); | |
336 | } | |
337 | ||
338 | /* Inexact match: is there perhaps a subdirectory match? */ | |
339 | pos = -pos-1; | |
340 | while (pos < active_nr) { | |
9c5e6c80 | 341 | const struct cache_entry *ce = active_cache[pos++]; |
e011054b LT |
342 | |
343 | if (strncmp(ce->name, path, len)) | |
344 | break; | |
345 | if (ce->name[len] > '/') | |
346 | break; | |
347 | if (ce->name[len] < '/') | |
348 | continue; | |
349 | ||
350 | /* Subdirectory match - error out */ | |
351 | return error("%s: is a directory - add individual files instead", path); | |
352 | } | |
353 | ||
354 | /* No match - should we add it as a gitlink? */ | |
71445a0f | 355 | if (!resolve_gitlink_ref(path, "HEAD", oid.hash)) |
e011054b LT |
356 | return add_one_path(NULL, path, len, st); |
357 | ||
358 | /* Error out. */ | |
359 | return error("%s: is a directory - add files inside instead", path); | |
360 | } | |
361 | ||
eb12dd0c | 362 | static int process_path(const char *path, struct stat *st, int stat_errno) |
e011054b | 363 | { |
b4d1690d | 364 | int pos, len; |
9c5e6c80 | 365 | const struct cache_entry *ce; |
e011054b | 366 | |
806d13b1 | 367 | len = strlen(path); |
57199892 | 368 | if (has_symlink_leading_path(path, len)) |
806d13b1 JH |
369 | return error("'%s' is beyond a symbolic link", path); |
370 | ||
b4d1690d NTND |
371 | pos = cache_name_pos(path, len); |
372 | ce = pos < 0 ? NULL : active_cache[pos]; | |
373 | if (ce && ce_skip_worktree(ce)) { | |
374 | /* | |
375 | * working directory version is assumed "good" | |
376 | * so updating it does not make sense. | |
377 | * On the other hand, removing it from index should work | |
378 | */ | |
379 | if (allow_remove && remove_file_from_cache(path)) | |
380 | return error("%s: cannot remove from the index", path); | |
381 | return 0; | |
382 | } | |
383 | ||
e011054b LT |
384 | /* |
385 | * First things first: get the stat information, to decide | |
386 | * what to do about the pathname! | |
387 | */ | |
eb12dd0c JK |
388 | if (stat_errno) |
389 | return process_lstat_error(path, stat_errno); | |
e011054b | 390 | |
eb12dd0c JK |
391 | if (S_ISDIR(st->st_mode)) |
392 | return process_directory(path, len, st); | |
e011054b | 393 | |
eb12dd0c | 394 | return add_one_path(ce, path, len, st); |
e011054b LT |
395 | } |
396 | ||
71445a0f | 397 | static int add_cacheinfo(unsigned int mode, const struct object_id *oid, |
d23748a6 | 398 | const char *path, int stage) |
9945d980 | 399 | { |
192268c1 | 400 | int size, len, option; |
9945d980 LT |
401 | struct cache_entry *ce; |
402 | ||
10ecfa76 | 403 | if (!verify_path(path, mode)) |
7e7abea9 | 404 | return error("Invalid path '%s'", path); |
9945d980 | 405 | |
d23748a6 | 406 | len = strlen(path); |
9945d980 | 407 | size = cache_entry_size(len); |
90321c10 | 408 | ce = xcalloc(1, size); |
9945d980 | 409 | |
71445a0f | 410 | oidcpy(&ce->oid, oid); |
d23748a6 | 411 | memcpy(ce->name, path, len); |
b60e188c TG |
412 | ce->ce_flags = create_ce_flags(stage); |
413 | ce->ce_namelen = len; | |
e4479470 | 414 | ce->ce_mode = create_ce_mode(mode); |
5f73076c | 415 | if (assume_unchanged) |
7a51ed66 | 416 | ce->ce_flags |= CE_VALID; |
192268c1 JH |
417 | option = allow_add ? ADD_CACHE_OK_TO_ADD : 0; |
418 | option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0; | |
caf4f582 JH |
419 | if (add_cache_entry(ce, option)) |
420 | return error("%s: cannot add to the index - missing --add option?", | |
d23748a6 JH |
421 | path); |
422 | report("add '%s'", path); | |
caf4f582 | 423 | return 0; |
9945d980 LT |
424 | } |
425 | ||
22433ce4 | 426 | static void chmod_path(char flip, const char *path) |
3e09cdfd JH |
427 | { |
428 | int pos; | |
429 | struct cache_entry *ce; | |
f2a19340 | 430 | |
3e09cdfd JH |
431 | pos = cache_name_pos(path, strlen(path)); |
432 | if (pos < 0) | |
227bdb18 | 433 | goto fail; |
3e09cdfd | 434 | ce = active_cache[pos]; |
d9d70966 | 435 | if (chmod_cache_entry(ce, flip) < 0) |
227bdb18 | 436 | goto fail; |
d9d70966 | 437 | |
227bdb18 AR |
438 | report("chmod %cx '%s'", flip, path); |
439 | return; | |
440 | fail: | |
7e44c935 | 441 | die("git update-index: cannot chmod %cx '%s'", flip, path); |
3e09cdfd JH |
442 | } |
443 | ||
6bb69077 | 444 | static void update_one(const char *path) |
ee1bec3d | 445 | { |
eb12dd0c JK |
446 | int stat_errno = 0; |
447 | struct stat st; | |
448 | ||
449 | if (mark_valid_only || mark_skip_worktree_only || force_remove) | |
450 | st.st_mode = 0; | |
451 | else if (lstat(path, &st) < 0) { | |
452 | st.st_mode = 0; | |
453 | stat_errno = errno; | |
454 | } /* else stat is valid */ | |
455 | ||
10ecfa76 | 456 | if (!verify_path(path, st.st_mode)) { |
ee1bec3d | 457 | fprintf(stderr, "Ignoring path %s\n", path); |
6bb69077 | 458 | return; |
ee1bec3d | 459 | } |
5f73076c | 460 | if (mark_valid_only) { |
6bb69077 | 461 | if (mark_ce_flags(path, CE_VALID, mark_valid_only == MARK_FLAG)) |
5f73076c | 462 | die("Unable to mark file %s", path); |
6bb69077 | 463 | return; |
5f73076c | 464 | } |
44a36913 | 465 | if (mark_skip_worktree_only) { |
6bb69077 | 466 | if (mark_ce_flags(path, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG)) |
5f73076c | 467 | die("Unable to mark file %s", path); |
6bb69077 | 468 | return; |
5f73076c JH |
469 | } |
470 | ||
ee1bec3d | 471 | if (force_remove) { |
6bb69077 | 472 | if (remove_file_from_cache(path)) |
7e44c935 | 473 | die("git update-index: unable to remove %s", path); |
caf4f582 | 474 | report("remove '%s'", path); |
6bb69077 | 475 | return; |
ee1bec3d | 476 | } |
eb12dd0c | 477 | if (process_path(path, &st, stat_errno)) |
e011054b | 478 | die("Unable to process path %s", path); |
caf4f582 | 479 | report("add '%s'", path); |
ee1bec3d JH |
480 | } |
481 | ||
7e07ed84 | 482 | static void read_index_info(int nul_term_line) |
d4dbf36d | 483 | { |
f285a2d7 BC |
484 | struct strbuf buf = STRBUF_INIT; |
485 | struct strbuf uq = STRBUF_INIT; | |
7e07ed84 | 486 | strbuf_getline_fn getline_fn; |
7fb1011e | 487 | |
7e07ed84 JH |
488 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; |
489 | while (getline_fn(&buf, stdin) != EOF) { | |
9c20a470 | 490 | char *ptr, *tab; |
973d6a20 | 491 | char *path_name; |
71445a0f | 492 | struct object_id oid; |
d4dbf36d | 493 | unsigned int mode; |
6aead43d | 494 | unsigned long ul; |
d23748a6 JH |
495 | int stage; |
496 | ||
497 | /* This reads lines formatted in one of three formats: | |
498 | * | |
499 | * (1) mode SP sha1 TAB path | |
f18d244a | 500 | * The first format is what "git apply --index-info" |
d23748a6 JH |
501 | * reports, and used to reconstruct a partial tree |
502 | * that is used for phony merge base tree when falling | |
503 | * back on 3-way merge. | |
504 | * | |
505 | * (2) mode SP type SP sha1 TAB path | |
f18d244a | 506 | * The second format is to stuff "git ls-tree" output |
d23748a6 | 507 | * into the index file. |
fefe81c9 | 508 | * |
d23748a6 JH |
509 | * (3) mode SP sha1 SP stage TAB path |
510 | * This format is to put higher order stages into the | |
f18d244a | 511 | * index file and matches "git ls-files --stage" output. |
d23748a6 | 512 | */ |
6aead43d JM |
513 | errno = 0; |
514 | ul = strtoul(buf.buf, &ptr, 8); | |
515 | if (ptr == buf.buf || *ptr != ' ' | |
516 | || errno || (unsigned int) ul != ul) | |
d4dbf36d | 517 | goto bad_line; |
6aead43d | 518 | mode = ul; |
d4dbf36d | 519 | |
9c20a470 | 520 | tab = strchr(ptr, '\t'); |
71445a0f | 521 | if (!tab || tab - ptr < GIT_SHA1_HEXSZ + 1) |
9c20a470 | 522 | goto bad_line; |
d23748a6 | 523 | |
2d497115 | 524 | if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') { |
d23748a6 JH |
525 | stage = tab[-1] - '0'; |
526 | ptr = tab + 1; /* point at the head of path */ | |
527 | tab = tab - 2; /* point at tail of sha1 */ | |
528 | } | |
529 | else { | |
530 | stage = 0; | |
531 | ptr = tab + 1; /* point at the head of path */ | |
532 | } | |
533 | ||
71445a0f | 534 | if (get_oid_hex(tab - GIT_SHA1_HEXSZ, &oid) || |
535 | tab[-(GIT_SHA1_HEXSZ + 1)] != ' ') | |
9c20a470 | 536 | goto bad_line; |
973d6a20 | 537 | |
7fb1011e | 538 | path_name = ptr; |
7e07ed84 | 539 | if (!nul_term_line && path_name[0] == '"') { |
7fb1011e PH |
540 | strbuf_reset(&uq); |
541 | if (unquote_c_style(&uq, path_name, NULL)) { | |
7e44c935 | 542 | die("git update-index: bad quoting of path name"); |
7fb1011e PH |
543 | } |
544 | path_name = uq.buf; | |
545 | } | |
973d6a20 | 546 | |
10ecfa76 | 547 | if (!verify_path(path_name, mode)) { |
973d6a20 | 548 | fprintf(stderr, "Ignoring path %s\n", path_name); |
d4dbf36d JH |
549 | continue; |
550 | } | |
551 | ||
552 | if (!mode) { | |
553 | /* mode == 0 means there is no such path -- remove */ | |
973d6a20 | 554 | if (remove_file_from_cache(path_name)) |
7e44c935 | 555 | die("git update-index: unable to remove %s", |
d4dbf36d JH |
556 | ptr); |
557 | } | |
558 | else { | |
559 | /* mode ' ' sha1 '\t' name | |
560 | * ptr[-1] points at tab, | |
561 | * ptr[-41] is at the beginning of sha1 | |
562 | */ | |
71445a0f | 563 | ptr[-(GIT_SHA1_HEXSZ + 2)] = ptr[-1] = 0; |
564 | if (add_cacheinfo(mode, &oid, path_name, stage)) | |
7e44c935 | 565 | die("git update-index: unable to update %s", |
973d6a20 | 566 | path_name); |
d4dbf36d JH |
567 | } |
568 | continue; | |
569 | ||
570 | bad_line: | |
571 | die("malformed index info %s", buf.buf); | |
572 | } | |
e6c019d0 | 573 | strbuf_release(&buf); |
7fb1011e | 574 | strbuf_release(&uq); |
d4dbf36d JH |
575 | } |
576 | ||
309be813 | 577 | static const char * const update_index_usage[] = { |
9c9b4f2f | 578 | N_("git update-index [<options>] [--] [<file>...]"), |
309be813 JN |
579 | NULL |
580 | }; | |
f6ab5bb2 | 581 | |
71445a0f | 582 | static struct object_id head_oid; |
583 | static struct object_id merge_head_oid; | |
2bd452d3 JH |
584 | |
585 | static struct cache_entry *read_one_ent(const char *which, | |
71445a0f | 586 | struct object_id *ent, const char *path, |
2bd452d3 JH |
587 | int namelen, int stage) |
588 | { | |
589 | unsigned mode; | |
71445a0f | 590 | struct object_id oid; |
2bd452d3 JH |
591 | int size; |
592 | struct cache_entry *ce; | |
593 | ||
71445a0f | 594 | if (get_tree_entry(ent->hash, path, oid.hash, &mode)) { |
83e77a25 JH |
595 | if (which) |
596 | error("%s: not in %s branch.", path, which); | |
2bd452d3 JH |
597 | return NULL; |
598 | } | |
599 | if (mode == S_IFDIR) { | |
83e77a25 JH |
600 | if (which) |
601 | error("%s: not a blob in %s branch.", path, which); | |
2bd452d3 JH |
602 | return NULL; |
603 | } | |
604 | size = cache_entry_size(namelen); | |
605 | ce = xcalloc(1, size); | |
606 | ||
71445a0f | 607 | oidcpy(&ce->oid, &oid); |
2bd452d3 | 608 | memcpy(ce->name, path, namelen); |
b60e188c TG |
609 | ce->ce_flags = create_ce_flags(stage); |
610 | ce->ce_namelen = namelen; | |
2bd452d3 JH |
611 | ce->ce_mode = create_ce_mode(mode); |
612 | return ce; | |
613 | } | |
614 | ||
615 | static int unresolve_one(const char *path) | |
616 | { | |
617 | int namelen = strlen(path); | |
618 | int pos; | |
619 | int ret = 0; | |
620 | struct cache_entry *ce_2 = NULL, *ce_3 = NULL; | |
621 | ||
622 | /* See if there is such entry in the index. */ | |
623 | pos = cache_name_pos(path, namelen); | |
8aa38563 JH |
624 | if (0 <= pos) { |
625 | /* already merged */ | |
626 | pos = unmerge_cache_entry_at(pos); | |
627 | if (pos < active_nr) { | |
9c5e6c80 | 628 | const struct cache_entry *ce = active_cache[pos]; |
8aa38563 JH |
629 | if (ce_stage(ce) && |
630 | ce_namelen(ce) == namelen && | |
631 | !memcmp(ce->name, path, namelen)) | |
632 | return 0; | |
633 | } | |
634 | /* no resolve-undo information; fall back */ | |
635 | } else { | |
2bd452d3 JH |
636 | /* If there isn't, either it is unmerged, or |
637 | * resolved as "removed" by mistake. We do not | |
638 | * want to do anything in the former case. | |
639 | */ | |
640 | pos = -pos-1; | |
641 | if (pos < active_nr) { | |
9c5e6c80 | 642 | const struct cache_entry *ce = active_cache[pos]; |
2bd452d3 JH |
643 | if (ce_namelen(ce) == namelen && |
644 | !memcmp(ce->name, path, namelen)) { | |
645 | fprintf(stderr, | |
646 | "%s: skipping still unmerged path.\n", | |
647 | path); | |
648 | goto free_return; | |
649 | } | |
650 | } | |
651 | } | |
652 | ||
653 | /* Grab blobs from given path from HEAD and MERGE_HEAD, | |
654 | * stuff HEAD version in stage #2, | |
655 | * stuff MERGE_HEAD version in stage #3. | |
656 | */ | |
71445a0f | 657 | ce_2 = read_one_ent("our", &head_oid, path, namelen, 2); |
658 | ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3); | |
2bd452d3 JH |
659 | |
660 | if (!ce_2 || !ce_3) { | |
661 | ret = -1; | |
662 | goto free_return; | |
663 | } | |
99d1a986 | 664 | if (!oidcmp(&ce_2->oid, &ce_3->oid) && |
2bd452d3 JH |
665 | ce_2->ce_mode == ce_3->ce_mode) { |
666 | fprintf(stderr, "%s: identical in both, skipping.\n", | |
667 | path); | |
668 | goto free_return; | |
669 | } | |
670 | ||
671 | remove_file_from_cache(path); | |
672 | if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) { | |
673 | error("%s: cannot add our version to the index.", path); | |
674 | ret = -1; | |
675 | goto free_return; | |
676 | } | |
677 | if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD)) | |
678 | return 0; | |
679 | error("%s: cannot add their version to the index.", path); | |
680 | ret = -1; | |
681 | free_return: | |
682 | free(ce_2); | |
683 | free(ce_3); | |
684 | return ret; | |
685 | } | |
686 | ||
687 | static void read_head_pointers(void) | |
688 | { | |
71445a0f | 689 | if (read_ref("HEAD", head_oid.hash)) |
d7530708 | 690 | die("No HEAD -- no initial commit yet?"); |
71445a0f | 691 | if (read_ref("MERGE_HEAD", merge_head_oid.hash)) { |
2bd452d3 JH |
692 | fprintf(stderr, "Not in the middle of a merge.\n"); |
693 | exit(0); | |
694 | } | |
695 | } | |
696 | ||
09895c1f JH |
697 | static int do_unresolve(int ac, const char **av, |
698 | const char *prefix, int prefix_length) | |
2bd452d3 JH |
699 | { |
700 | int i; | |
701 | int err = 0; | |
702 | ||
703 | /* Read HEAD and MERGE_HEAD; if MERGE_HEAD does not exist, we | |
704 | * are not doing a merge, so exit with success status. | |
705 | */ | |
706 | read_head_pointers(); | |
707 | ||
708 | for (i = 1; i < ac; i++) { | |
709 | const char *arg = av[i]; | |
d7a643b7 | 710 | char *p = prefix_path(prefix, prefix_length, arg); |
09895c1f | 711 | err |= unresolve_one(p); |
d7a643b7 | 712 | free(p); |
2bd452d3 JH |
713 | } |
714 | return err; | |
715 | } | |
716 | ||
83e77a25 JH |
717 | static int do_reupdate(int ac, const char **av, |
718 | const char *prefix, int prefix_length) | |
719 | { | |
720 | /* Read HEAD and run update-index on paths that are | |
721 | * merged and already different between index and HEAD. | |
722 | */ | |
723 | int pos; | |
724 | int has_head = 1; | |
eb9cb55b NTND |
725 | struct pathspec pathspec; |
726 | ||
0fdc2ae5 NTND |
727 | parse_pathspec(&pathspec, 0, |
728 | PATHSPEC_PREFER_CWD, | |
729 | prefix, av + 1); | |
83e77a25 | 730 | |
71445a0f | 731 | if (read_ref("HEAD", head_oid.hash)) |
83e77a25 JH |
732 | /* If there is no HEAD, that means it is an initial |
733 | * commit. Update everything in the index. | |
734 | */ | |
735 | has_head = 0; | |
736 | redo: | |
737 | for (pos = 0; pos < active_nr; pos++) { | |
9c5e6c80 | 738 | const struct cache_entry *ce = active_cache[pos]; |
83e77a25 JH |
739 | struct cache_entry *old = NULL; |
740 | int save_nr; | |
5699d17e | 741 | char *path; |
22293b9c | 742 | |
429bb40a | 743 | if (ce_stage(ce) || !ce_path_match(ce, &pathspec, NULL)) |
83e77a25 JH |
744 | continue; |
745 | if (has_head) | |
71445a0f | 746 | old = read_one_ent(NULL, &head_oid, |
83e77a25 JH |
747 | ce->name, ce_namelen(ce), 0); |
748 | if (old && ce->ce_mode == old->ce_mode && | |
99d1a986 | 749 | !oidcmp(&ce->oid, &old->oid)) { |
83e77a25 JH |
750 | free(old); |
751 | continue; /* unchanged */ | |
752 | } | |
753 | /* Be careful. The working tree may not have the | |
754 | * path anymore, in which case, under 'allow_remove', | |
755 | * or worse yet 'allow_replace', active_nr may decrease. | |
756 | */ | |
757 | save_nr = active_nr; | |
5699d17e KB |
758 | path = xstrdup(ce->name); |
759 | update_one(path); | |
760 | free(path); | |
1b7cb896 | 761 | free(old); |
83e77a25 JH |
762 | if (save_nr != active_nr) |
763 | goto redo; | |
764 | } | |
ed6e8038 | 765 | clear_pathspec(&pathspec); |
83e77a25 JH |
766 | return 0; |
767 | } | |
768 | ||
309be813 JN |
769 | struct refresh_params { |
770 | unsigned int flags; | |
771 | int *has_errors; | |
772 | }; | |
773 | ||
774 | static int refresh(struct refresh_params *o, unsigned int flag) | |
775 | { | |
776 | setup_work_tree(); | |
7349afd2 | 777 | read_cache_preload(NULL); |
309be813 JN |
778 | *o->has_errors |= refresh_cache(o->flags | flag); |
779 | return 0; | |
780 | } | |
781 | ||
782 | static int refresh_callback(const struct option *opt, | |
783 | const char *arg, int unset) | |
784 | { | |
785 | return refresh(opt->value, 0); | |
786 | } | |
787 | ||
788 | static int really_refresh_callback(const struct option *opt, | |
789 | const char *arg, int unset) | |
790 | { | |
791 | return refresh(opt->value, REFRESH_REALLY); | |
792 | } | |
793 | ||
794 | static int chmod_callback(const struct option *opt, | |
795 | const char *arg, int unset) | |
796 | { | |
797 | char *flip = opt->value; | |
798 | if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2]) | |
799 | return error("option 'chmod' expects \"+x\" or \"-x\""); | |
800 | *flip = arg[0]; | |
801 | return 0; | |
802 | } | |
803 | ||
804 | static int resolve_undo_clear_callback(const struct option *opt, | |
805 | const char *arg, int unset) | |
806 | { | |
807 | resolve_undo_clear(); | |
808 | return 0; | |
809 | } | |
810 | ||
ec160ae1 JH |
811 | static int parse_new_style_cacheinfo(const char *arg, |
812 | unsigned int *mode, | |
71445a0f | 813 | struct object_id *oid, |
ec160ae1 JH |
814 | const char **path) |
815 | { | |
816 | unsigned long ul; | |
817 | char *endp; | |
818 | ||
c8e1ee4f JK |
819 | if (!arg) |
820 | return -1; | |
821 | ||
ec160ae1 JH |
822 | errno = 0; |
823 | ul = strtoul(arg, &endp, 8); | |
824 | if (errno || endp == arg || *endp != ',' || (unsigned int) ul != ul) | |
825 | return -1; /* not a new-style cacheinfo */ | |
826 | *mode = ul; | |
827 | endp++; | |
71445a0f | 828 | if (get_oid_hex(endp, oid) || endp[GIT_SHA1_HEXSZ] != ',') |
ec160ae1 | 829 | return -1; |
71445a0f | 830 | *path = endp + GIT_SHA1_HEXSZ + 1; |
ec160ae1 JH |
831 | return 0; |
832 | } | |
833 | ||
309be813 JN |
834 | static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, |
835 | const struct option *opt, int unset) | |
836 | { | |
71445a0f | 837 | struct object_id oid; |
309be813 | 838 | unsigned int mode; |
ec160ae1 | 839 | const char *path; |
309be813 | 840 | |
71445a0f | 841 | if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) { |
842 | if (add_cacheinfo(mode, &oid, path, 0)) | |
ec160ae1 JH |
843 | die("git update-index: --cacheinfo cannot add %s", path); |
844 | ctx->argv++; | |
845 | ctx->argc--; | |
846 | return 0; | |
847 | } | |
309be813 | 848 | if (ctx->argc <= 3) |
ec160ae1 | 849 | return error("option 'cacheinfo' expects <mode>,<sha1>,<path>"); |
309be813 | 850 | if (strtoul_ui(*++ctx->argv, 8, &mode) || |
71445a0f | 851 | get_oid_hex(*++ctx->argv, &oid) || |
852 | add_cacheinfo(mode, &oid, *++ctx->argv, 0)) | |
309be813 JN |
853 | die("git update-index: --cacheinfo cannot add %s", *ctx->argv); |
854 | ctx->argc -= 3; | |
855 | return 0; | |
856 | } | |
857 | ||
858 | static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx, | |
859 | const struct option *opt, int unset) | |
860 | { | |
7e07ed84 | 861 | int *nul_term_line = opt->value; |
309be813 JN |
862 | |
863 | if (ctx->argc != 1) | |
864 | return error("option '%s' must be the last argument", opt->long_name); | |
865 | allow_add = allow_replace = allow_remove = 1; | |
7e07ed84 | 866 | read_index_info(*nul_term_line); |
309be813 JN |
867 | return 0; |
868 | } | |
869 | ||
870 | static int stdin_callback(struct parse_opt_ctx_t *ctx, | |
871 | const struct option *opt, int unset) | |
872 | { | |
873 | int *read_from_stdin = opt->value; | |
874 | ||
875 | if (ctx->argc != 1) | |
876 | return error("option '%s' must be the last argument", opt->long_name); | |
877 | *read_from_stdin = 1; | |
878 | return 0; | |
879 | } | |
880 | ||
881 | static int unresolve_callback(struct parse_opt_ctx_t *ctx, | |
882 | const struct option *opt, int flags) | |
883 | { | |
884 | int *has_errors = opt->value; | |
885 | const char *prefix = startup_info->prefix; | |
886 | ||
887 | /* consume remaining arguments. */ | |
888 | *has_errors = do_unresolve(ctx->argc, ctx->argv, | |
889 | prefix, prefix ? strlen(prefix) : 0); | |
890 | if (*has_errors) | |
891 | active_cache_changed = 0; | |
892 | ||
893 | ctx->argv += ctx->argc - 1; | |
894 | ctx->argc = 1; | |
895 | return 0; | |
896 | } | |
897 | ||
898 | static int reupdate_callback(struct parse_opt_ctx_t *ctx, | |
899 | const struct option *opt, int flags) | |
900 | { | |
901 | int *has_errors = opt->value; | |
902 | const char *prefix = startup_info->prefix; | |
903 | ||
904 | /* consume remaining arguments. */ | |
905 | setup_work_tree(); | |
906 | *has_errors = do_reupdate(ctx->argc, ctx->argv, | |
907 | prefix, prefix ? strlen(prefix) : 0); | |
908 | if (*has_errors) | |
909 | active_cache_changed = 0; | |
910 | ||
911 | ctx->argv += ctx->argc - 1; | |
912 | ctx->argc = 1; | |
913 | return 0; | |
914 | } | |
915 | ||
a633fca0 | 916 | int cmd_update_index(int argc, const char **argv, const char *prefix) |
e83c5163 | 917 | { |
7e07ed84 | 918 | int newfd, entries, has_errors = 0, nul_term_line = 0; |
113e6413 | 919 | enum uc_mode untracked_cache = UC_UNSPECIFIED; |
ee1bec3d | 920 | int read_from_stdin = 0; |
ee1bec3d | 921 | int prefix_length = prefix ? strlen(prefix) : 0; |
69dec66b | 922 | int preferred_index_format = 0; |
227bdb18 | 923 | char set_executable_bit = 0; |
309be813 | 924 | struct refresh_params refresh_args = {0, &has_errors}; |
7b802b86 | 925 | int lock_error = 0; |
c18b80a0 | 926 | int split_index = -1; |
fefe81c9 | 927 | struct lock_file *lock_file; |
309be813 | 928 | struct parse_opt_ctx_t ctx; |
7e07ed84 | 929 | strbuf_getline_fn getline_fn; |
309be813 JN |
930 | int parseopt_state = PARSE_OPT_UNKNOWN; |
931 | struct option options[] = { | |
932 | OPT_BIT('q', NULL, &refresh_args.flags, | |
4a4838b4 | 933 | N_("continue refresh even when index needs update"), |
309be813 JN |
934 | REFRESH_QUIET), |
935 | OPT_BIT(0, "ignore-submodules", &refresh_args.flags, | |
4a4838b4 | 936 | N_("refresh: ignore submodules"), |
309be813 JN |
937 | REFRESH_IGNORE_SUBMODULES), |
938 | OPT_SET_INT(0, "add", &allow_add, | |
4a4838b4 | 939 | N_("do not ignore new files"), 1), |
309be813 | 940 | OPT_SET_INT(0, "replace", &allow_replace, |
4a4838b4 | 941 | N_("let files replace directories and vice-versa"), 1), |
309be813 | 942 | OPT_SET_INT(0, "remove", &allow_remove, |
4a4838b4 | 943 | N_("notice files missing from worktree"), 1), |
309be813 | 944 | OPT_BIT(0, "unmerged", &refresh_args.flags, |
4a4838b4 | 945 | N_("refresh even if index contains unmerged entries"), |
309be813 JN |
946 | REFRESH_UNMERGED), |
947 | {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL, | |
4a4838b4 | 948 | N_("refresh stat information"), |
309be813 JN |
949 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
950 | refresh_callback}, | |
951 | {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL, | |
4a4838b4 | 952 | N_("like --refresh, but ignore assume-unchanged setting"), |
309be813 JN |
953 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
954 | really_refresh_callback}, | |
955 | {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL, | |
ec160ae1 | 956 | N_("<mode>,<object>,<path>"), |
4a4838b4 | 957 | N_("add the specified entry to the index"), |
ec160ae1 | 958 | PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */ |
309be813 JN |
959 | PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, |
960 | (parse_opt_cb *) cacheinfo_callback}, | |
4a4838b4 NTND |
961 | {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, N_("(+/-)x"), |
962 | N_("override the executable bit of the listed files"), | |
309be813 JN |
963 | PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, |
964 | chmod_callback}, | |
965 | {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 966 | N_("mark files as \"not changing\""), |
309be813 JN |
967 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
968 | {OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 969 | N_("clear assumed-unchanged bit"), |
309be813 JN |
970 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
971 | {OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 972 | N_("mark files as \"index-only\""), |
309be813 JN |
973 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
974 | {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 975 | N_("clear skip-worktree bit"), |
309be813 JN |
976 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
977 | OPT_SET_INT(0, "info-only", &info_only, | |
4a4838b4 | 978 | N_("add to index only; do not add content to object database"), 1), |
309be813 | 979 | OPT_SET_INT(0, "force-remove", &force_remove, |
4a4838b4 | 980 | N_("remove named paths even if present in worktree"), 1), |
7e07ed84 JH |
981 | OPT_BOOL('z', NULL, &nul_term_line, |
982 | N_("with --stdin: input lines are terminated by null bytes")), | |
309be813 | 983 | {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, |
4a4838b4 | 984 | N_("read list of paths to be updated from standard input"), |
309be813 JN |
985 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
986 | (parse_opt_cb *) stdin_callback}, | |
7e07ed84 | 987 | {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL, |
4a4838b4 | 988 | N_("add entries from standard input to the index"), |
309be813 JN |
989 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
990 | (parse_opt_cb *) stdin_cacheinfo_callback}, | |
991 | {OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL, | |
4a4838b4 | 992 | N_("repopulate stages #2 and #3 for the listed paths"), |
309be813 JN |
993 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
994 | (parse_opt_cb *) unresolve_callback}, | |
995 | {OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL, | |
4a4838b4 | 996 | N_("only update entries that differ from HEAD"), |
309be813 JN |
997 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
998 | (parse_opt_cb *) reupdate_callback}, | |
999 | OPT_BIT(0, "ignore-missing", &refresh_args.flags, | |
4a4838b4 | 1000 | N_("ignore files missing from worktree"), |
309be813 JN |
1001 | REFRESH_IGNORE_MISSING), |
1002 | OPT_SET_INT(0, "verbose", &verbose, | |
4a4838b4 | 1003 | N_("report actions to standard output"), 1), |
309be813 | 1004 | {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL, |
4a4838b4 | 1005 | N_("(for porcelains) forget saved unresolved conflicts"), |
309be813 JN |
1006 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
1007 | resolve_undo_clear_callback}, | |
69dec66b | 1008 | OPT_INTEGER(0, "index-version", &preferred_index_format, |
4a4838b4 | 1009 | N_("write index in this format")), |
c18b80a0 NTND |
1010 | OPT_BOOL(0, "split-index", &split_index, |
1011 | N_("enable or disable split index")), | |
9e597241 NTND |
1012 | OPT_BOOL(0, "untracked-cache", &untracked_cache, |
1013 | N_("enable/disable untracked cache")), | |
eaab83d0 CC |
1014 | OPT_SET_INT(0, "test-untracked-cache", &untracked_cache, |
1015 | N_("test if the filesystem supports untracked cache"), UC_TEST), | |
f64cb88d | 1016 | OPT_SET_INT(0, "force-untracked-cache", &untracked_cache, |
113e6413 | 1017 | N_("enable untracked cache without testing the filesystem"), UC_FORCE), |
309be813 JN |
1018 | OPT_END() |
1019 | }; | |
bb233d69 | 1020 | |
9c7c27ee | 1021 | if (argc == 2 && !strcmp(argv[1], "-h")) |
b04d930b | 1022 | usage_with_options(update_index_usage, options); |
9c7c27ee | 1023 | |
ef90d6d4 | 1024 | git_config(git_default_config, NULL); |
3e09cdfd | 1025 | |
fefe81c9 | 1026 | /* We can't free this memory, it becomes part of a linked list parsed atexit() */ |
928e47e3 | 1027 | lock_file = xcalloc(1, sizeof(struct lock_file)); |
fefe81c9 | 1028 | |
b3e83cc7 | 1029 | /* we will diagnose later if it turns out that we need to update it */ |
30ca07a2 | 1030 | newfd = hold_locked_index(lock_file, 0); |
7b802b86 JH |
1031 | if (newfd < 0) |
1032 | lock_error = errno; | |
9614b8dc | 1033 | |
e83c5163 | 1034 | entries = read_cache(); |
9614b8dc | 1035 | if (entries < 0) |
2de381f9 | 1036 | die("cache corrupted"); |
e83c5163 | 1037 | |
309be813 JN |
1038 | /* |
1039 | * Custom copy of parse_options() because we want to handle | |
1040 | * filename arguments as they come. | |
1041 | */ | |
1042 | parse_options_start(&ctx, argc, argv, prefix, | |
1043 | options, PARSE_OPT_STOP_AT_NON_OPTION); | |
1044 | while (ctx.argc) { | |
1045 | if (parseopt_state != PARSE_OPT_DONE) | |
1046 | parseopt_state = parse_options_step(&ctx, options, | |
1047 | update_index_usage); | |
1048 | if (!ctx.argc) | |
1049 | break; | |
1050 | switch (parseopt_state) { | |
1051 | case PARSE_OPT_HELP: | |
1052 | exit(129); | |
1053 | case PARSE_OPT_NON_OPTION: | |
1054 | case PARSE_OPT_DONE: | |
1055 | { | |
1056 | const char *path = ctx.argv[0]; | |
d7a643b7 | 1057 | char *p; |
121481ab | 1058 | |
309be813 JN |
1059 | setup_work_tree(); |
1060 | p = prefix_path(prefix, prefix_length, path); | |
6bb69077 | 1061 | update_one(p); |
309be813 JN |
1062 | if (set_executable_bit) |
1063 | chmod_path(set_executable_bit, p); | |
d7a643b7 | 1064 | free(p); |
309be813 JN |
1065 | ctx.argc--; |
1066 | ctx.argv++; | |
1067 | break; | |
1068 | } | |
1069 | case PARSE_OPT_UNKNOWN: | |
1070 | if (ctx.argv[0][1] == '-') | |
1071 | error("unknown option '%s'", ctx.argv[0] + 2); | |
1072 | else | |
1073 | error("unknown switch '%c'", *ctx.opt); | |
1074 | usage_with_options(update_index_usage, options); | |
121481ab | 1075 | } |
ee1bec3d | 1076 | } |
309be813 | 1077 | argc = parse_options_end(&ctx); |
7e07ed84 JH |
1078 | |
1079 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; | |
69dec66b JH |
1080 | if (preferred_index_format) { |
1081 | if (preferred_index_format < INDEX_FORMAT_LB || | |
1082 | INDEX_FORMAT_UB < preferred_index_format) | |
1083 | die("index-version %d not in range: %d..%d", | |
1084 | preferred_index_format, | |
1085 | INDEX_FORMAT_LB, INDEX_FORMAT_UB); | |
1086 | ||
1087 | if (the_index.version != preferred_index_format) | |
782a5ff9 | 1088 | active_cache_changed |= SOMETHING_CHANGED; |
69dec66b JH |
1089 | the_index.version = preferred_index_format; |
1090 | } | |
309be813 | 1091 | |
ee1bec3d | 1092 | if (read_from_stdin) { |
0d4cc1b4 JK |
1093 | struct strbuf buf = STRBUF_INIT; |
1094 | struct strbuf unquoted = STRBUF_INIT; | |
7fb1011e | 1095 | |
f83eafdd | 1096 | setup_work_tree(); |
7e07ed84 | 1097 | while (getline_fn(&buf, stdin) != EOF) { |
d7a643b7 | 1098 | char *p; |
7e07ed84 | 1099 | if (!nul_term_line && buf.buf[0] == '"') { |
0d4cc1b4 JK |
1100 | strbuf_reset(&unquoted); |
1101 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
7fb1011e | 1102 | die("line is badly quoted"); |
0d4cc1b4 | 1103 | strbuf_swap(&buf, &unquoted); |
7fb1011e PH |
1104 | } |
1105 | p = prefix_path(prefix, prefix_length, buf.buf); | |
6bb69077 | 1106 | update_one(p); |
fb69a760 | 1107 | if (set_executable_bit) |
227bdb18 | 1108 | chmod_path(set_executable_bit, p); |
d7a643b7 | 1109 | free(p); |
9b63f501 | 1110 | } |
0d4cc1b4 | 1111 | strbuf_release(&unquoted); |
e6c019d0 | 1112 | strbuf_release(&buf); |
e83c5163 | 1113 | } |
2bd452d3 | 1114 | |
c18b80a0 | 1115 | if (split_index > 0) { |
6cc10533 CC |
1116 | if (git_config_get_split_index() == 0) |
1117 | warning(_("core.splitIndex is set to false; " | |
1118 | "remove or change it, if you really want to " | |
1119 | "enable split index")); | |
cef4fc7e CC |
1120 | if (the_index.split_index) |
1121 | the_index.cache_changed |= SPLIT_INDEX_ORDERED; | |
1122 | else | |
1123 | add_split_index(&the_index); | |
6cc10533 CC |
1124 | } else if (!split_index) { |
1125 | if (git_config_get_split_index() == 1) | |
1126 | warning(_("core.splitIndex is set to true; " | |
1127 | "remove or change it, if you really want to " | |
1128 | "disable split index")); | |
cef4fc7e | 1129 | remove_split_index(&the_index); |
6cc10533 | 1130 | } |
9e597241 | 1131 | |
435ec090 CC |
1132 | switch (untracked_cache) { |
1133 | case UC_UNSPECIFIED: | |
1134 | break; | |
1135 | case UC_DISABLE: | |
1136 | if (git_config_get_untracked_cache() == 1) | |
43073f89 VA |
1137 | warning(_("core.untrackedCache is set to true; " |
1138 | "remove or change it, if you really want to " | |
1139 | "disable the untracked cache")); | |
07b29bfd | 1140 | remove_untracked_cache(&the_index); |
6d19db14 | 1141 | report(_("Untracked cache disabled")); |
435ec090 CC |
1142 | break; |
1143 | case UC_TEST: | |
1144 | setup_work_tree(); | |
1145 | return !test_if_untracked_cache_is_supported(); | |
1146 | case UC_ENABLE: | |
1147 | case UC_FORCE: | |
1148 | if (git_config_get_untracked_cache() == 0) | |
43073f89 VA |
1149 | warning(_("core.untrackedCache is set to false; " |
1150 | "remove or change it, if you really want to " | |
1151 | "enable the untracked cache")); | |
435ec090 CC |
1152 | add_untracked_cache(&the_index); |
1153 | report(_("Untracked cache enabled for '%s'"), get_git_work_tree()); | |
1154 | break; | |
1155 | default: | |
ef1177d1 | 1156 | die("BUG: bad untracked_cache value: %d", untracked_cache); |
9e597241 | 1157 | } |
c18b80a0 | 1158 | |
5cd5ace7 | 1159 | if (active_cache_changed) { |
7b802b86 | 1160 | if (newfd < 0) { |
309be813 | 1161 | if (refresh_args.flags & REFRESH_QUIET) |
7b802b86 | 1162 | exit(128); |
e197c218 | 1163 | unable_to_lock_die(get_index_file(), lock_error); |
7b802b86 | 1164 | } |
03b86647 | 1165 | if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) |
021b6e45 | 1166 | die("Unable to write new index file"); |
5cd5ace7 | 1167 | } |
9614b8dc | 1168 | |
fefe81c9 LS |
1169 | rollback_lock_file(lock_file); |
1170 | ||
c4b83e61 | 1171 | return has_errors ? 1 : 0; |
e83c5163 | 1172 | } |