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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" |
883e248b | 19 | #include "fsmonitor.h" |
e83c5163 | 20 | |
121481ab LT |
21 | /* |
22 | * Default to not allowing changes to the list of files. The | |
23 | * tool doesn't actually care, but this makes it harder to add | |
24 | * files to the revision control by mistake by doing something | |
f18d244a | 25 | * like "git update-index *" and suddenly having all the object |
121481ab LT |
26 | * files be revision controlled. |
27 | */ | |
caf4f582 JH |
28 | static int allow_add; |
29 | static int allow_remove; | |
30 | static int allow_replace; | |
caf4f582 | 31 | static int info_only; |
9b63f501 | 32 | static int force_remove; |
caf4f582 | 33 | static int verbose; |
96f1e58f | 34 | static int mark_valid_only; |
44a36913 | 35 | static int mark_skip_worktree_only; |
9d406cba | 36 | static int mark_fsmonitor_only; |
83b327ba NTND |
37 | #define MARK_FLAG 1 |
38 | #define UNMARK_FLAG 2 | |
f64cb88d | 39 | static struct strbuf mtime_dir = STRBUF_INIT; |
5f73076c | 40 | |
113e6413 CC |
41 | /* Untracked cache mode */ |
42 | enum uc_mode { | |
43 | UC_UNSPECIFIED = -1, | |
44 | UC_DISABLE = 0, | |
45 | UC_ENABLE, | |
eaab83d0 | 46 | UC_TEST, |
113e6413 CC |
47 | UC_FORCE |
48 | }; | |
49 | ||
28bea9e5 | 50 | __attribute__((format (printf, 1, 2))) |
caf4f582 JH |
51 | static void report(const char *fmt, ...) |
52 | { | |
53 | va_list vp; | |
54 | ||
55 | if (!verbose) | |
56 | return; | |
57 | ||
58 | va_start(vp, fmt); | |
59 | vprintf(fmt, vp); | |
60 | putchar('\n'); | |
61 | va_end(vp); | |
62 | } | |
63 | ||
f64cb88d NTND |
64 | static void remove_test_directory(void) |
65 | { | |
66 | if (mtime_dir.len) | |
67 | remove_dir_recursively(&mtime_dir, 0); | |
68 | } | |
69 | ||
70 | static const char *get_mtime_path(const char *path) | |
71 | { | |
72 | static struct strbuf sb = STRBUF_INIT; | |
73 | strbuf_reset(&sb); | |
74 | strbuf_addf(&sb, "%s/%s", mtime_dir.buf, path); | |
75 | return sb.buf; | |
76 | } | |
77 | ||
78 | static void xmkdir(const char *path) | |
79 | { | |
80 | path = get_mtime_path(path); | |
81 | if (mkdir(path, 0700)) | |
82 | die_errno(_("failed to create directory %s"), path); | |
83 | } | |
84 | ||
85 | static int xstat_mtime_dir(struct stat *st) | |
86 | { | |
87 | if (stat(mtime_dir.buf, st)) | |
88 | die_errno(_("failed to stat %s"), mtime_dir.buf); | |
89 | return 0; | |
90 | } | |
91 | ||
92 | static int create_file(const char *path) | |
93 | { | |
94 | int fd; | |
95 | path = get_mtime_path(path); | |
96 | fd = open(path, O_CREAT | O_RDWR, 0644); | |
97 | if (fd < 0) | |
98 | die_errno(_("failed to create file %s"), path); | |
99 | return fd; | |
100 | } | |
101 | ||
102 | static void xunlink(const char *path) | |
103 | { | |
104 | path = get_mtime_path(path); | |
105 | if (unlink(path)) | |
106 | die_errno(_("failed to delete file %s"), path); | |
107 | } | |
108 | ||
109 | static void xrmdir(const char *path) | |
110 | { | |
111 | path = get_mtime_path(path); | |
112 | if (rmdir(path)) | |
113 | die_errno(_("failed to delete directory %s"), path); | |
114 | } | |
115 | ||
116 | static void avoid_racy(void) | |
117 | { | |
118 | /* | |
119 | * not use if we could usleep(10) if USE_NSEC is defined. The | |
120 | * field nsec could be there, but the OS could choose to | |
121 | * ignore it? | |
122 | */ | |
123 | sleep(1); | |
124 | } | |
125 | ||
126 | static int test_if_untracked_cache_is_supported(void) | |
127 | { | |
128 | struct stat st; | |
129 | struct stat_data base; | |
130 | int fd, ret = 0; | |
c105f563 | 131 | char *cwd; |
f64cb88d NTND |
132 | |
133 | strbuf_addstr(&mtime_dir, "mtime-test-XXXXXX"); | |
134 | if (!mkdtemp(mtime_dir.buf)) | |
135 | die_errno("Could not make temporary directory"); | |
136 | ||
c105f563 CC |
137 | cwd = xgetcwd(); |
138 | fprintf(stderr, _("Testing mtime in '%s' "), cwd); | |
139 | free(cwd); | |
140 | ||
f64cb88d NTND |
141 | atexit(remove_test_directory); |
142 | xstat_mtime_dir(&st); | |
143 | fill_stat_data(&base, &st); | |
144 | fputc('.', stderr); | |
145 | ||
146 | avoid_racy(); | |
147 | fd = create_file("newfile"); | |
148 | xstat_mtime_dir(&st); | |
149 | if (!match_stat_data(&base, &st)) { | |
150 | close(fd); | |
151 | fputc('\n', stderr); | |
152 | fprintf_ln(stderr,_("directory stat info does not " | |
153 | "change after adding a new file")); | |
154 | goto done; | |
155 | } | |
156 | fill_stat_data(&base, &st); | |
157 | fputc('.', stderr); | |
158 | ||
159 | avoid_racy(); | |
160 | xmkdir("new-dir"); | |
161 | xstat_mtime_dir(&st); | |
162 | if (!match_stat_data(&base, &st)) { | |
163 | close(fd); | |
164 | fputc('\n', stderr); | |
165 | fprintf_ln(stderr, _("directory stat info does not change " | |
166 | "after adding a new directory")); | |
167 | goto done; | |
168 | } | |
169 | fill_stat_data(&base, &st); | |
170 | fputc('.', stderr); | |
171 | ||
172 | avoid_racy(); | |
173 | write_or_die(fd, "data", 4); | |
174 | close(fd); | |
175 | xstat_mtime_dir(&st); | |
176 | if (match_stat_data(&base, &st)) { | |
177 | fputc('\n', stderr); | |
178 | fprintf_ln(stderr, _("directory stat info changes " | |
179 | "after updating a file")); | |
180 | goto done; | |
181 | } | |
182 | fputc('.', stderr); | |
183 | ||
184 | avoid_racy(); | |
185 | close(create_file("new-dir/new")); | |
186 | xstat_mtime_dir(&st); | |
187 | if (match_stat_data(&base, &st)) { | |
188 | fputc('\n', stderr); | |
189 | fprintf_ln(stderr, _("directory stat info changes after " | |
190 | "adding a file inside subdirectory")); | |
191 | goto done; | |
192 | } | |
193 | fputc('.', stderr); | |
194 | ||
195 | avoid_racy(); | |
196 | xunlink("newfile"); | |
197 | xstat_mtime_dir(&st); | |
198 | if (!match_stat_data(&base, &st)) { | |
199 | fputc('\n', stderr); | |
200 | fprintf_ln(stderr, _("directory stat info does not " | |
201 | "change after deleting a file")); | |
202 | goto done; | |
203 | } | |
204 | fill_stat_data(&base, &st); | |
205 | fputc('.', stderr); | |
206 | ||
207 | avoid_racy(); | |
208 | xunlink("new-dir/new"); | |
209 | xrmdir("new-dir"); | |
210 | xstat_mtime_dir(&st); | |
211 | if (!match_stat_data(&base, &st)) { | |
212 | fputc('\n', stderr); | |
213 | fprintf_ln(stderr, _("directory stat info does not " | |
214 | "change after deleting a directory")); | |
215 | goto done; | |
216 | } | |
217 | ||
218 | if (rmdir(mtime_dir.buf)) | |
219 | die_errno(_("failed to delete directory %s"), mtime_dir.buf); | |
220 | fprintf_ln(stderr, _(" OK")); | |
221 | ret = 1; | |
222 | ||
223 | done: | |
224 | strbuf_release(&mtime_dir); | |
225 | return ret; | |
226 | } | |
227 | ||
83b327ba | 228 | static int mark_ce_flags(const char *path, int flag, int mark) |
5f73076c JH |
229 | { |
230 | int namelen = strlen(path); | |
231 | int pos = cache_name_pos(path, namelen); | |
232 | if (0 <= pos) { | |
9d406cba | 233 | mark_fsmonitor_invalid(&the_index, active_cache[pos]); |
83b327ba NTND |
234 | if (mark) |
235 | active_cache[pos]->ce_flags |= flag; | |
236 | else | |
237 | active_cache[pos]->ce_flags &= ~flag; | |
078a58e8 | 238 | active_cache[pos]->ce_flags |= CE_UPDATE_IN_BASE; |
a5400efe | 239 | cache_tree_invalidate_path(&the_index, path); |
782a5ff9 | 240 | active_cache_changed |= CE_ENTRY_CHANGED; |
5f73076c JH |
241 | return 0; |
242 | } | |
243 | return -1; | |
244 | } | |
245 | ||
e011054b | 246 | static int remove_one_path(const char *path) |
e83c5163 | 247 | { |
e011054b LT |
248 | if (!allow_remove) |
249 | return error("%s: does not exist and --remove not passed", path); | |
250 | if (remove_file_from_cache(path)) | |
251 | return error("%s: cannot remove from the index", path); | |
252 | return 0; | |
253 | } | |
a6e5642f | 254 | |
e011054b LT |
255 | /* |
256 | * Handle a path that couldn't be lstat'ed. It's either: | |
257 | * - missing file (ENOENT or ENOTDIR). That's ok if we're | |
258 | * supposed to be removing it and the removal actually | |
259 | * succeeds. | |
260 | * - permission error. That's never ok. | |
261 | */ | |
262 | static int process_lstat_error(const char *path, int err) | |
263 | { | |
c7054209 | 264 | if (is_missing_file_error(err)) |
e011054b | 265 | return remove_one_path(path); |
23d05364 | 266 | return error("lstat(\"%s\"): %s", path, strerror(err)); |
e011054b | 267 | } |
a6e5642f | 268 | |
9c5e6c80 | 269 | static int add_one_path(const struct cache_entry *old, const char *path, int len, struct stat *st) |
e011054b | 270 | { |
a849735b | 271 | int option; |
22631473 | 272 | struct cache_entry *ce; |
3e09cdfd | 273 | |
22631473 LT |
274 | /* Was the old index entry already up-to-date? */ |
275 | if (old && !ce_stage(old) && !ce_match_stat(old, st, 0)) | |
276 | return 0; | |
277 | ||
a849735b | 278 | ce = make_empty_cache_entry(&the_index, len); |
e011054b | 279 | memcpy(ce->name, path, len); |
b60e188c TG |
280 | ce->ce_flags = create_ce_flags(0); |
281 | ce->ce_namelen = len; | |
e011054b LT |
282 | fill_stat_cache_info(ce, st); |
283 | ce->ce_mode = ce_mode_from_stat(old, st->st_mode); | |
ec1fcc16 | 284 | |
58bf2a4c | 285 | if (index_path(&the_index, &ce->oid, path, st, |
dc4cd767 | 286 | info_only ? 0 : HASH_WRITE_OBJECT)) { |
a849735b | 287 | discard_cache_entry(ce); |
ec1fcc16 | 288 | return -1; |
dc4cd767 | 289 | } |
192268c1 JH |
290 | option = allow_add ? ADD_CACHE_OK_TO_ADD : 0; |
291 | option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0; | |
baddc96b | 292 | if (add_cache_entry(ce, option)) { |
a849735b | 293 | discard_cache_entry(ce); |
e011054b | 294 | return error("%s: cannot add to the index - missing --add option?", path); |
baddc96b | 295 | } |
34143b26 | 296 | return 0; |
121481ab LT |
297 | } |
298 | ||
e011054b LT |
299 | /* |
300 | * Handle a path that was a directory. Four cases: | |
301 | * | |
302 | * - it's already a gitlink in the index, and we keep it that | |
303 | * way, and update it if we can (if we cannot find the HEAD, | |
304 | * we're going to keep it unchanged in the index!) | |
305 | * | |
306 | * - it's a *file* in the index, in which case it should be | |
307 | * removed as a file if removal is allowed, since it doesn't | |
308 | * exist as such any more. If removal isn't allowed, it's | |
309 | * an error. | |
310 | * | |
311 | * (NOTE! This is old and arguably fairly strange behaviour. | |
312 | * We might want to make this an error unconditionally, and | |
313 | * use "--force-remove" if you actually want to force removal). | |
314 | * | |
315 | * - it used to exist as a subdirectory (ie multiple files with | |
316 | * this particular prefix) in the index, in which case it's wrong | |
317 | * to try to update it as a directory. | |
318 | * | |
319 | * - it doesn't exist at all in the index, but it is a valid | |
320 | * git directory, and it should be *added* as a gitlink. | |
321 | */ | |
322 | static int process_directory(const char *path, int len, struct stat *st) | |
323 | { | |
71445a0f | 324 | struct object_id oid; |
e011054b LT |
325 | int pos = cache_name_pos(path, len); |
326 | ||
327 | /* Exact match: file or existing gitlink */ | |
328 | if (pos >= 0) { | |
9c5e6c80 | 329 | const struct cache_entry *ce = active_cache[pos]; |
7a51ed66 | 330 | if (S_ISGITLINK(ce->ce_mode)) { |
e011054b LT |
331 | |
332 | /* Do nothing to the index if there is no HEAD! */ | |
a98e6101 | 333 | if (resolve_gitlink_ref(path, "HEAD", &oid) < 0) |
e011054b LT |
334 | return 0; |
335 | ||
336 | return add_one_path(ce, path, len, st); | |
337 | } | |
338 | /* Should this be an unconditional error? */ | |
339 | return remove_one_path(path); | |
340 | } | |
341 | ||
342 | /* Inexact match: is there perhaps a subdirectory match? */ | |
343 | pos = -pos-1; | |
344 | while (pos < active_nr) { | |
9c5e6c80 | 345 | const struct cache_entry *ce = active_cache[pos++]; |
e011054b LT |
346 | |
347 | if (strncmp(ce->name, path, len)) | |
348 | break; | |
349 | if (ce->name[len] > '/') | |
350 | break; | |
351 | if (ce->name[len] < '/') | |
352 | continue; | |
353 | ||
354 | /* Subdirectory match - error out */ | |
355 | return error("%s: is a directory - add individual files instead", path); | |
356 | } | |
357 | ||
358 | /* No match - should we add it as a gitlink? */ | |
a98e6101 | 359 | if (!resolve_gitlink_ref(path, "HEAD", &oid)) |
e011054b LT |
360 | return add_one_path(NULL, path, len, st); |
361 | ||
362 | /* Error out. */ | |
363 | return error("%s: is a directory - add files inside instead", path); | |
364 | } | |
365 | ||
eb12dd0c | 366 | static int process_path(const char *path, struct stat *st, int stat_errno) |
e011054b | 367 | { |
b4d1690d | 368 | int pos, len; |
9c5e6c80 | 369 | const struct cache_entry *ce; |
e011054b | 370 | |
806d13b1 | 371 | len = strlen(path); |
57199892 | 372 | if (has_symlink_leading_path(path, len)) |
806d13b1 JH |
373 | return error("'%s' is beyond a symbolic link", path); |
374 | ||
b4d1690d NTND |
375 | pos = cache_name_pos(path, len); |
376 | ce = pos < 0 ? NULL : active_cache[pos]; | |
377 | if (ce && ce_skip_worktree(ce)) { | |
378 | /* | |
379 | * working directory version is assumed "good" | |
380 | * so updating it does not make sense. | |
381 | * On the other hand, removing it from index should work | |
382 | */ | |
383 | if (allow_remove && remove_file_from_cache(path)) | |
384 | return error("%s: cannot remove from the index", path); | |
385 | return 0; | |
386 | } | |
387 | ||
e011054b LT |
388 | /* |
389 | * First things first: get the stat information, to decide | |
390 | * what to do about the pathname! | |
391 | */ | |
eb12dd0c JK |
392 | if (stat_errno) |
393 | return process_lstat_error(path, stat_errno); | |
e011054b | 394 | |
eb12dd0c JK |
395 | if (S_ISDIR(st->st_mode)) |
396 | return process_directory(path, len, st); | |
e011054b | 397 | |
eb12dd0c | 398 | return add_one_path(ce, path, len, st); |
e011054b LT |
399 | } |
400 | ||
71445a0f | 401 | static int add_cacheinfo(unsigned int mode, const struct object_id *oid, |
d23748a6 | 402 | const char *path, int stage) |
9945d980 | 403 | { |
a849735b | 404 | int len, option; |
9945d980 LT |
405 | struct cache_entry *ce; |
406 | ||
10ecfa76 | 407 | if (!verify_path(path, mode)) |
7e7abea9 | 408 | return error("Invalid path '%s'", path); |
9945d980 | 409 | |
d23748a6 | 410 | len = strlen(path); |
a849735b | 411 | ce = make_empty_cache_entry(&the_index, len); |
9945d980 | 412 | |
71445a0f | 413 | oidcpy(&ce->oid, oid); |
d23748a6 | 414 | memcpy(ce->name, path, len); |
b60e188c TG |
415 | ce->ce_flags = create_ce_flags(stage); |
416 | ce->ce_namelen = len; | |
e4479470 | 417 | ce->ce_mode = create_ce_mode(mode); |
5f73076c | 418 | if (assume_unchanged) |
7a51ed66 | 419 | ce->ce_flags |= CE_VALID; |
192268c1 JH |
420 | option = allow_add ? ADD_CACHE_OK_TO_ADD : 0; |
421 | option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0; | |
caf4f582 JH |
422 | if (add_cache_entry(ce, option)) |
423 | return error("%s: cannot add to the index - missing --add option?", | |
d23748a6 JH |
424 | path); |
425 | report("add '%s'", path); | |
caf4f582 | 426 | return 0; |
9945d980 LT |
427 | } |
428 | ||
22433ce4 | 429 | static void chmod_path(char flip, const char *path) |
3e09cdfd JH |
430 | { |
431 | int pos; | |
432 | struct cache_entry *ce; | |
f2a19340 | 433 | |
3e09cdfd JH |
434 | pos = cache_name_pos(path, strlen(path)); |
435 | if (pos < 0) | |
227bdb18 | 436 | goto fail; |
3e09cdfd | 437 | ce = active_cache[pos]; |
d9d70966 | 438 | if (chmod_cache_entry(ce, flip) < 0) |
227bdb18 | 439 | goto fail; |
d9d70966 | 440 | |
227bdb18 AR |
441 | report("chmod %cx '%s'", flip, path); |
442 | return; | |
443 | fail: | |
7e44c935 | 444 | die("git update-index: cannot chmod %cx '%s'", flip, path); |
3e09cdfd JH |
445 | } |
446 | ||
6bb69077 | 447 | static void update_one(const char *path) |
ee1bec3d | 448 | { |
eb12dd0c JK |
449 | int stat_errno = 0; |
450 | struct stat st; | |
451 | ||
68f95b26 JH |
452 | if (mark_valid_only || mark_skip_worktree_only || force_remove || |
453 | mark_fsmonitor_only) | |
eb12dd0c JK |
454 | st.st_mode = 0; |
455 | else if (lstat(path, &st) < 0) { | |
456 | st.st_mode = 0; | |
457 | stat_errno = errno; | |
458 | } /* else stat is valid */ | |
459 | ||
10ecfa76 | 460 | if (!verify_path(path, st.st_mode)) { |
ee1bec3d | 461 | fprintf(stderr, "Ignoring path %s\n", path); |
6bb69077 | 462 | return; |
ee1bec3d | 463 | } |
5f73076c | 464 | if (mark_valid_only) { |
6bb69077 | 465 | if (mark_ce_flags(path, CE_VALID, mark_valid_only == MARK_FLAG)) |
5f73076c | 466 | die("Unable to mark file %s", path); |
6bb69077 | 467 | return; |
5f73076c | 468 | } |
44a36913 | 469 | if (mark_skip_worktree_only) { |
6bb69077 | 470 | if (mark_ce_flags(path, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG)) |
5f73076c | 471 | die("Unable to mark file %s", path); |
6bb69077 | 472 | return; |
5f73076c | 473 | } |
9d406cba BP |
474 | if (mark_fsmonitor_only) { |
475 | if (mark_ce_flags(path, CE_FSMONITOR_VALID, mark_fsmonitor_only == MARK_FLAG)) | |
476 | die("Unable to mark file %s", path); | |
477 | return; | |
478 | } | |
5f73076c | 479 | |
ee1bec3d | 480 | if (force_remove) { |
6bb69077 | 481 | if (remove_file_from_cache(path)) |
7e44c935 | 482 | die("git update-index: unable to remove %s", path); |
caf4f582 | 483 | report("remove '%s'", path); |
6bb69077 | 484 | return; |
ee1bec3d | 485 | } |
eb12dd0c | 486 | if (process_path(path, &st, stat_errno)) |
e011054b | 487 | die("Unable to process path %s", path); |
caf4f582 | 488 | report("add '%s'", path); |
ee1bec3d JH |
489 | } |
490 | ||
7e07ed84 | 491 | static void read_index_info(int nul_term_line) |
d4dbf36d | 492 | { |
1928c944 | 493 | const int hexsz = the_hash_algo->hexsz; |
f285a2d7 BC |
494 | struct strbuf buf = STRBUF_INIT; |
495 | struct strbuf uq = STRBUF_INIT; | |
7e07ed84 | 496 | strbuf_getline_fn getline_fn; |
7fb1011e | 497 | |
7e07ed84 JH |
498 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; |
499 | while (getline_fn(&buf, stdin) != EOF) { | |
9c20a470 | 500 | char *ptr, *tab; |
973d6a20 | 501 | char *path_name; |
71445a0f | 502 | struct object_id oid; |
d4dbf36d | 503 | unsigned int mode; |
6aead43d | 504 | unsigned long ul; |
d23748a6 JH |
505 | int stage; |
506 | ||
507 | /* This reads lines formatted in one of three formats: | |
508 | * | |
509 | * (1) mode SP sha1 TAB path | |
f18d244a | 510 | * The first format is what "git apply --index-info" |
d23748a6 JH |
511 | * reports, and used to reconstruct a partial tree |
512 | * that is used for phony merge base tree when falling | |
513 | * back on 3-way merge. | |
514 | * | |
515 | * (2) mode SP type SP sha1 TAB path | |
f18d244a | 516 | * The second format is to stuff "git ls-tree" output |
d23748a6 | 517 | * into the index file. |
fefe81c9 | 518 | * |
d23748a6 JH |
519 | * (3) mode SP sha1 SP stage TAB path |
520 | * This format is to put higher order stages into the | |
f18d244a | 521 | * index file and matches "git ls-files --stage" output. |
d23748a6 | 522 | */ |
6aead43d JM |
523 | errno = 0; |
524 | ul = strtoul(buf.buf, &ptr, 8); | |
525 | if (ptr == buf.buf || *ptr != ' ' | |
526 | || errno || (unsigned int) ul != ul) | |
d4dbf36d | 527 | goto bad_line; |
6aead43d | 528 | mode = ul; |
d4dbf36d | 529 | |
9c20a470 | 530 | tab = strchr(ptr, '\t'); |
1928c944 | 531 | if (!tab || tab - ptr < hexsz + 1) |
9c20a470 | 532 | goto bad_line; |
d23748a6 | 533 | |
2d497115 | 534 | if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') { |
d23748a6 JH |
535 | stage = tab[-1] - '0'; |
536 | ptr = tab + 1; /* point at the head of path */ | |
537 | tab = tab - 2; /* point at tail of sha1 */ | |
538 | } | |
539 | else { | |
540 | stage = 0; | |
541 | ptr = tab + 1; /* point at the head of path */ | |
542 | } | |
543 | ||
1928c944 | 544 | if (get_oid_hex(tab - hexsz, &oid) || |
545 | tab[-(hexsz + 1)] != ' ') | |
9c20a470 | 546 | goto bad_line; |
973d6a20 | 547 | |
7fb1011e | 548 | path_name = ptr; |
7e07ed84 | 549 | if (!nul_term_line && path_name[0] == '"') { |
7fb1011e PH |
550 | strbuf_reset(&uq); |
551 | if (unquote_c_style(&uq, path_name, NULL)) { | |
7e44c935 | 552 | die("git update-index: bad quoting of path name"); |
7fb1011e PH |
553 | } |
554 | path_name = uq.buf; | |
555 | } | |
973d6a20 | 556 | |
10ecfa76 | 557 | if (!verify_path(path_name, mode)) { |
973d6a20 | 558 | fprintf(stderr, "Ignoring path %s\n", path_name); |
d4dbf36d JH |
559 | continue; |
560 | } | |
561 | ||
562 | if (!mode) { | |
563 | /* mode == 0 means there is no such path -- remove */ | |
973d6a20 | 564 | if (remove_file_from_cache(path_name)) |
7e44c935 | 565 | die("git update-index: unable to remove %s", |
d4dbf36d JH |
566 | ptr); |
567 | } | |
568 | else { | |
569 | /* mode ' ' sha1 '\t' name | |
570 | * ptr[-1] points at tab, | |
571 | * ptr[-41] is at the beginning of sha1 | |
572 | */ | |
1928c944 | 573 | ptr[-(hexsz + 2)] = ptr[-1] = 0; |
71445a0f | 574 | if (add_cacheinfo(mode, &oid, path_name, stage)) |
7e44c935 | 575 | die("git update-index: unable to update %s", |
973d6a20 | 576 | path_name); |
d4dbf36d JH |
577 | } |
578 | continue; | |
579 | ||
580 | bad_line: | |
581 | die("malformed index info %s", buf.buf); | |
582 | } | |
e6c019d0 | 583 | strbuf_release(&buf); |
7fb1011e | 584 | strbuf_release(&uq); |
d4dbf36d JH |
585 | } |
586 | ||
309be813 | 587 | static const char * const update_index_usage[] = { |
9c9b4f2f | 588 | N_("git update-index [<options>] [--] [<file>...]"), |
309be813 JN |
589 | NULL |
590 | }; | |
f6ab5bb2 | 591 | |
71445a0f | 592 | static struct object_id head_oid; |
593 | static struct object_id merge_head_oid; | |
2bd452d3 JH |
594 | |
595 | static struct cache_entry *read_one_ent(const char *which, | |
71445a0f | 596 | struct object_id *ent, const char *path, |
2bd452d3 JH |
597 | int namelen, int stage) |
598 | { | |
599 | unsigned mode; | |
71445a0f | 600 | struct object_id oid; |
2bd452d3 JH |
601 | struct cache_entry *ce; |
602 | ||
916bc35b | 603 | if (get_tree_entry(ent, path, &oid, &mode)) { |
83e77a25 JH |
604 | if (which) |
605 | error("%s: not in %s branch.", path, which); | |
2bd452d3 JH |
606 | return NULL; |
607 | } | |
608 | if (mode == S_IFDIR) { | |
83e77a25 JH |
609 | if (which) |
610 | error("%s: not a blob in %s branch.", path, which); | |
2bd452d3 JH |
611 | return NULL; |
612 | } | |
a849735b | 613 | ce = make_empty_cache_entry(&the_index, namelen); |
2bd452d3 | 614 | |
71445a0f | 615 | oidcpy(&ce->oid, &oid); |
2bd452d3 | 616 | memcpy(ce->name, path, namelen); |
b60e188c TG |
617 | ce->ce_flags = create_ce_flags(stage); |
618 | ce->ce_namelen = namelen; | |
2bd452d3 JH |
619 | ce->ce_mode = create_ce_mode(mode); |
620 | return ce; | |
621 | } | |
622 | ||
623 | static int unresolve_one(const char *path) | |
624 | { | |
625 | int namelen = strlen(path); | |
626 | int pos; | |
627 | int ret = 0; | |
628 | struct cache_entry *ce_2 = NULL, *ce_3 = NULL; | |
629 | ||
630 | /* See if there is such entry in the index. */ | |
631 | pos = cache_name_pos(path, namelen); | |
8aa38563 JH |
632 | if (0 <= pos) { |
633 | /* already merged */ | |
634 | pos = unmerge_cache_entry_at(pos); | |
635 | if (pos < active_nr) { | |
9c5e6c80 | 636 | const struct cache_entry *ce = active_cache[pos]; |
8aa38563 JH |
637 | if (ce_stage(ce) && |
638 | ce_namelen(ce) == namelen && | |
639 | !memcmp(ce->name, path, namelen)) | |
640 | return 0; | |
641 | } | |
642 | /* no resolve-undo information; fall back */ | |
643 | } else { | |
2bd452d3 JH |
644 | /* If there isn't, either it is unmerged, or |
645 | * resolved as "removed" by mistake. We do not | |
646 | * want to do anything in the former case. | |
647 | */ | |
648 | pos = -pos-1; | |
649 | if (pos < active_nr) { | |
9c5e6c80 | 650 | const struct cache_entry *ce = active_cache[pos]; |
2bd452d3 JH |
651 | if (ce_namelen(ce) == namelen && |
652 | !memcmp(ce->name, path, namelen)) { | |
653 | fprintf(stderr, | |
654 | "%s: skipping still unmerged path.\n", | |
655 | path); | |
656 | goto free_return; | |
657 | } | |
658 | } | |
659 | } | |
660 | ||
661 | /* Grab blobs from given path from HEAD and MERGE_HEAD, | |
662 | * stuff HEAD version in stage #2, | |
663 | * stuff MERGE_HEAD version in stage #3. | |
664 | */ | |
71445a0f | 665 | ce_2 = read_one_ent("our", &head_oid, path, namelen, 2); |
666 | ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3); | |
2bd452d3 JH |
667 | |
668 | if (!ce_2 || !ce_3) { | |
669 | ret = -1; | |
670 | goto free_return; | |
671 | } | |
4a7e27e9 | 672 | if (oideq(&ce_2->oid, &ce_3->oid) && |
2bd452d3 JH |
673 | ce_2->ce_mode == ce_3->ce_mode) { |
674 | fprintf(stderr, "%s: identical in both, skipping.\n", | |
675 | path); | |
676 | goto free_return; | |
677 | } | |
678 | ||
679 | remove_file_from_cache(path); | |
680 | if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) { | |
681 | error("%s: cannot add our version to the index.", path); | |
682 | ret = -1; | |
683 | goto free_return; | |
684 | } | |
685 | if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD)) | |
686 | return 0; | |
687 | error("%s: cannot add their version to the index.", path); | |
688 | ret = -1; | |
689 | free_return: | |
a849735b JM |
690 | discard_cache_entry(ce_2); |
691 | discard_cache_entry(ce_3); | |
2bd452d3 JH |
692 | return ret; |
693 | } | |
694 | ||
695 | static void read_head_pointers(void) | |
696 | { | |
34c290a6 | 697 | if (read_ref("HEAD", &head_oid)) |
d7530708 | 698 | die("No HEAD -- no initial commit yet?"); |
34c290a6 | 699 | if (read_ref("MERGE_HEAD", &merge_head_oid)) { |
2bd452d3 JH |
700 | fprintf(stderr, "Not in the middle of a merge.\n"); |
701 | exit(0); | |
702 | } | |
703 | } | |
704 | ||
09895c1f JH |
705 | static int do_unresolve(int ac, const char **av, |
706 | const char *prefix, int prefix_length) | |
2bd452d3 JH |
707 | { |
708 | int i; | |
709 | int err = 0; | |
710 | ||
711 | /* Read HEAD and MERGE_HEAD; if MERGE_HEAD does not exist, we | |
712 | * are not doing a merge, so exit with success status. | |
713 | */ | |
714 | read_head_pointers(); | |
715 | ||
716 | for (i = 1; i < ac; i++) { | |
717 | const char *arg = av[i]; | |
d7a643b7 | 718 | char *p = prefix_path(prefix, prefix_length, arg); |
09895c1f | 719 | err |= unresolve_one(p); |
d7a643b7 | 720 | free(p); |
2bd452d3 JH |
721 | } |
722 | return err; | |
723 | } | |
724 | ||
83e77a25 JH |
725 | static int do_reupdate(int ac, const char **av, |
726 | const char *prefix, int prefix_length) | |
727 | { | |
728 | /* Read HEAD and run update-index on paths that are | |
729 | * merged and already different between index and HEAD. | |
730 | */ | |
731 | int pos; | |
732 | int has_head = 1; | |
eb9cb55b NTND |
733 | struct pathspec pathspec; |
734 | ||
0fdc2ae5 NTND |
735 | parse_pathspec(&pathspec, 0, |
736 | PATHSPEC_PREFER_CWD, | |
737 | prefix, av + 1); | |
83e77a25 | 738 | |
34c290a6 | 739 | if (read_ref("HEAD", &head_oid)) |
83e77a25 JH |
740 | /* If there is no HEAD, that means it is an initial |
741 | * commit. Update everything in the index. | |
742 | */ | |
743 | has_head = 0; | |
744 | redo: | |
745 | for (pos = 0; pos < active_nr; pos++) { | |
9c5e6c80 | 746 | const struct cache_entry *ce = active_cache[pos]; |
83e77a25 JH |
747 | struct cache_entry *old = NULL; |
748 | int save_nr; | |
5699d17e | 749 | char *path; |
22293b9c | 750 | |
6d2df284 | 751 | if (ce_stage(ce) || !ce_path_match(&the_index, ce, &pathspec, NULL)) |
83e77a25 JH |
752 | continue; |
753 | if (has_head) | |
71445a0f | 754 | old = read_one_ent(NULL, &head_oid, |
83e77a25 JH |
755 | ce->name, ce_namelen(ce), 0); |
756 | if (old && ce->ce_mode == old->ce_mode && | |
4a7e27e9 | 757 | oideq(&ce->oid, &old->oid)) { |
a849735b | 758 | discard_cache_entry(old); |
83e77a25 JH |
759 | continue; /* unchanged */ |
760 | } | |
761 | /* Be careful. The working tree may not have the | |
762 | * path anymore, in which case, under 'allow_remove', | |
763 | * or worse yet 'allow_replace', active_nr may decrease. | |
764 | */ | |
765 | save_nr = active_nr; | |
5699d17e KB |
766 | path = xstrdup(ce->name); |
767 | update_one(path); | |
768 | free(path); | |
a849735b | 769 | discard_cache_entry(old); |
83e77a25 JH |
770 | if (save_nr != active_nr) |
771 | goto redo; | |
772 | } | |
ed6e8038 | 773 | clear_pathspec(&pathspec); |
83e77a25 JH |
774 | return 0; |
775 | } | |
776 | ||
309be813 JN |
777 | struct refresh_params { |
778 | unsigned int flags; | |
779 | int *has_errors; | |
780 | }; | |
781 | ||
782 | static int refresh(struct refresh_params *o, unsigned int flag) | |
783 | { | |
784 | setup_work_tree(); | |
6c5b7f55 | 785 | read_cache(); |
309be813 JN |
786 | *o->has_errors |= refresh_cache(o->flags | flag); |
787 | return 0; | |
788 | } | |
789 | ||
790 | static int refresh_callback(const struct option *opt, | |
791 | const char *arg, int unset) | |
792 | { | |
793 | return refresh(opt->value, 0); | |
794 | } | |
795 | ||
796 | static int really_refresh_callback(const struct option *opt, | |
797 | const char *arg, int unset) | |
798 | { | |
799 | return refresh(opt->value, REFRESH_REALLY); | |
800 | } | |
801 | ||
802 | static int chmod_callback(const struct option *opt, | |
803 | const char *arg, int unset) | |
804 | { | |
805 | char *flip = opt->value; | |
806 | if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2]) | |
807 | return error("option 'chmod' expects \"+x\" or \"-x\""); | |
808 | *flip = arg[0]; | |
809 | return 0; | |
810 | } | |
811 | ||
812 | static int resolve_undo_clear_callback(const struct option *opt, | |
813 | const char *arg, int unset) | |
814 | { | |
815 | resolve_undo_clear(); | |
816 | return 0; | |
817 | } | |
818 | ||
ec160ae1 JH |
819 | static int parse_new_style_cacheinfo(const char *arg, |
820 | unsigned int *mode, | |
71445a0f | 821 | struct object_id *oid, |
ec160ae1 JH |
822 | const char **path) |
823 | { | |
824 | unsigned long ul; | |
825 | char *endp; | |
fe04ccf7 | 826 | const char *p; |
ec160ae1 | 827 | |
c8e1ee4f JK |
828 | if (!arg) |
829 | return -1; | |
830 | ||
ec160ae1 JH |
831 | errno = 0; |
832 | ul = strtoul(arg, &endp, 8); | |
833 | if (errno || endp == arg || *endp != ',' || (unsigned int) ul != ul) | |
834 | return -1; /* not a new-style cacheinfo */ | |
835 | *mode = ul; | |
836 | endp++; | |
fe04ccf7 | 837 | if (parse_oid_hex(endp, oid, &p) || *p != ',') |
ec160ae1 | 838 | return -1; |
fe04ccf7 | 839 | *path = p + 1; |
ec160ae1 JH |
840 | return 0; |
841 | } | |
842 | ||
309be813 JN |
843 | static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, |
844 | const struct option *opt, int unset) | |
845 | { | |
71445a0f | 846 | struct object_id oid; |
309be813 | 847 | unsigned int mode; |
ec160ae1 | 848 | const char *path; |
309be813 | 849 | |
71445a0f | 850 | if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) { |
851 | if (add_cacheinfo(mode, &oid, path, 0)) | |
ec160ae1 JH |
852 | die("git update-index: --cacheinfo cannot add %s", path); |
853 | ctx->argv++; | |
854 | ctx->argc--; | |
855 | return 0; | |
856 | } | |
309be813 | 857 | if (ctx->argc <= 3) |
ec160ae1 | 858 | return error("option 'cacheinfo' expects <mode>,<sha1>,<path>"); |
309be813 | 859 | if (strtoul_ui(*++ctx->argv, 8, &mode) || |
71445a0f | 860 | get_oid_hex(*++ctx->argv, &oid) || |
861 | add_cacheinfo(mode, &oid, *++ctx->argv, 0)) | |
309be813 JN |
862 | die("git update-index: --cacheinfo cannot add %s", *ctx->argv); |
863 | ctx->argc -= 3; | |
864 | return 0; | |
865 | } | |
866 | ||
867 | static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx, | |
868 | const struct option *opt, int unset) | |
869 | { | |
7e07ed84 | 870 | int *nul_term_line = opt->value; |
309be813 JN |
871 | |
872 | if (ctx->argc != 1) | |
873 | return error("option '%s' must be the last argument", opt->long_name); | |
874 | allow_add = allow_replace = allow_remove = 1; | |
7e07ed84 | 875 | read_index_info(*nul_term_line); |
309be813 JN |
876 | return 0; |
877 | } | |
878 | ||
879 | static int stdin_callback(struct parse_opt_ctx_t *ctx, | |
880 | const struct option *opt, int unset) | |
881 | { | |
882 | int *read_from_stdin = opt->value; | |
883 | ||
884 | if (ctx->argc != 1) | |
885 | return error("option '%s' must be the last argument", opt->long_name); | |
886 | *read_from_stdin = 1; | |
887 | return 0; | |
888 | } | |
889 | ||
890 | static int unresolve_callback(struct parse_opt_ctx_t *ctx, | |
891 | const struct option *opt, int flags) | |
892 | { | |
893 | int *has_errors = opt->value; | |
894 | const char *prefix = startup_info->prefix; | |
895 | ||
896 | /* consume remaining arguments. */ | |
897 | *has_errors = do_unresolve(ctx->argc, ctx->argv, | |
898 | prefix, prefix ? strlen(prefix) : 0); | |
899 | if (*has_errors) | |
900 | active_cache_changed = 0; | |
901 | ||
902 | ctx->argv += ctx->argc - 1; | |
903 | ctx->argc = 1; | |
904 | return 0; | |
905 | } | |
906 | ||
907 | static int reupdate_callback(struct parse_opt_ctx_t *ctx, | |
908 | const struct option *opt, int flags) | |
909 | { | |
910 | int *has_errors = opt->value; | |
911 | const char *prefix = startup_info->prefix; | |
912 | ||
913 | /* consume remaining arguments. */ | |
914 | setup_work_tree(); | |
915 | *has_errors = do_reupdate(ctx->argc, ctx->argv, | |
916 | prefix, prefix ? strlen(prefix) : 0); | |
917 | if (*has_errors) | |
918 | active_cache_changed = 0; | |
919 | ||
920 | ctx->argv += ctx->argc - 1; | |
921 | ctx->argc = 1; | |
922 | return 0; | |
923 | } | |
924 | ||
a633fca0 | 925 | int cmd_update_index(int argc, const char **argv, const char *prefix) |
e83c5163 | 926 | { |
7e07ed84 | 927 | int newfd, entries, has_errors = 0, nul_term_line = 0; |
113e6413 | 928 | enum uc_mode untracked_cache = UC_UNSPECIFIED; |
ee1bec3d | 929 | int read_from_stdin = 0; |
ee1bec3d | 930 | int prefix_length = prefix ? strlen(prefix) : 0; |
69dec66b | 931 | int preferred_index_format = 0; |
227bdb18 | 932 | char set_executable_bit = 0; |
309be813 | 933 | struct refresh_params refresh_args = {0, &has_errors}; |
7b802b86 | 934 | int lock_error = 0; |
c18b80a0 | 935 | int split_index = -1; |
7c545be9 | 936 | int force_write = 0; |
9d406cba | 937 | int fsmonitor = -1; |
bfffb48c | 938 | struct lock_file lock_file = LOCK_INIT; |
309be813 | 939 | struct parse_opt_ctx_t ctx; |
7e07ed84 | 940 | strbuf_getline_fn getline_fn; |
309be813 JN |
941 | int parseopt_state = PARSE_OPT_UNKNOWN; |
942 | struct option options[] = { | |
943 | OPT_BIT('q', NULL, &refresh_args.flags, | |
4a4838b4 | 944 | N_("continue refresh even when index needs update"), |
309be813 JN |
945 | REFRESH_QUIET), |
946 | OPT_BIT(0, "ignore-submodules", &refresh_args.flags, | |
4a4838b4 | 947 | N_("refresh: ignore submodules"), |
309be813 JN |
948 | REFRESH_IGNORE_SUBMODULES), |
949 | OPT_SET_INT(0, "add", &allow_add, | |
4a4838b4 | 950 | N_("do not ignore new files"), 1), |
309be813 | 951 | OPT_SET_INT(0, "replace", &allow_replace, |
4a4838b4 | 952 | N_("let files replace directories and vice-versa"), 1), |
309be813 | 953 | OPT_SET_INT(0, "remove", &allow_remove, |
4a4838b4 | 954 | N_("notice files missing from worktree"), 1), |
309be813 | 955 | OPT_BIT(0, "unmerged", &refresh_args.flags, |
4a4838b4 | 956 | N_("refresh even if index contains unmerged entries"), |
309be813 JN |
957 | REFRESH_UNMERGED), |
958 | {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL, | |
4a4838b4 | 959 | N_("refresh stat information"), |
309be813 JN |
960 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
961 | refresh_callback}, | |
962 | {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL, | |
4a4838b4 | 963 | N_("like --refresh, but ignore assume-unchanged setting"), |
309be813 JN |
964 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
965 | really_refresh_callback}, | |
966 | {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL, | |
ec160ae1 | 967 | N_("<mode>,<object>,<path>"), |
4a4838b4 | 968 | N_("add the specified entry to the index"), |
ec160ae1 | 969 | PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */ |
309be813 JN |
970 | PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, |
971 | (parse_opt_cb *) cacheinfo_callback}, | |
8b5ebbed | 972 | {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+|-)x", |
4a4838b4 | 973 | N_("override the executable bit of the listed files"), |
5f0df44c | 974 | PARSE_OPT_NONEG, |
309be813 JN |
975 | chmod_callback}, |
976 | {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 977 | N_("mark files as \"not changing\""), |
309be813 JN |
978 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
979 | {OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 980 | N_("clear assumed-unchanged bit"), |
309be813 JN |
981 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
982 | {OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 983 | N_("mark files as \"index-only\""), |
309be813 JN |
984 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
985 | {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 986 | N_("clear skip-worktree bit"), |
309be813 JN |
987 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
988 | OPT_SET_INT(0, "info-only", &info_only, | |
4a4838b4 | 989 | N_("add to index only; do not add content to object database"), 1), |
309be813 | 990 | OPT_SET_INT(0, "force-remove", &force_remove, |
4a4838b4 | 991 | N_("remove named paths even if present in worktree"), 1), |
7e07ed84 JH |
992 | OPT_BOOL('z', NULL, &nul_term_line, |
993 | N_("with --stdin: input lines are terminated by null bytes")), | |
309be813 | 994 | {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, |
4a4838b4 | 995 | N_("read list of paths to be updated from standard input"), |
309be813 JN |
996 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
997 | (parse_opt_cb *) stdin_callback}, | |
7e07ed84 | 998 | {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL, |
4a4838b4 | 999 | N_("add entries from standard input to the index"), |
309be813 JN |
1000 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
1001 | (parse_opt_cb *) stdin_cacheinfo_callback}, | |
1002 | {OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL, | |
4a4838b4 | 1003 | N_("repopulate stages #2 and #3 for the listed paths"), |
309be813 JN |
1004 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
1005 | (parse_opt_cb *) unresolve_callback}, | |
1006 | {OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL, | |
4a4838b4 | 1007 | N_("only update entries that differ from HEAD"), |
309be813 JN |
1008 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
1009 | (parse_opt_cb *) reupdate_callback}, | |
1010 | OPT_BIT(0, "ignore-missing", &refresh_args.flags, | |
4a4838b4 | 1011 | N_("ignore files missing from worktree"), |
309be813 JN |
1012 | REFRESH_IGNORE_MISSING), |
1013 | OPT_SET_INT(0, "verbose", &verbose, | |
4a4838b4 | 1014 | N_("report actions to standard output"), 1), |
309be813 | 1015 | {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL, |
4a4838b4 | 1016 | N_("(for porcelains) forget saved unresolved conflicts"), |
309be813 JN |
1017 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
1018 | resolve_undo_clear_callback}, | |
69dec66b | 1019 | OPT_INTEGER(0, "index-version", &preferred_index_format, |
4a4838b4 | 1020 | N_("write index in this format")), |
c18b80a0 NTND |
1021 | OPT_BOOL(0, "split-index", &split_index, |
1022 | N_("enable or disable split index")), | |
9e597241 NTND |
1023 | OPT_BOOL(0, "untracked-cache", &untracked_cache, |
1024 | N_("enable/disable untracked cache")), | |
eaab83d0 CC |
1025 | OPT_SET_INT(0, "test-untracked-cache", &untracked_cache, |
1026 | N_("test if the filesystem supports untracked cache"), UC_TEST), | |
f64cb88d | 1027 | OPT_SET_INT(0, "force-untracked-cache", &untracked_cache, |
113e6413 | 1028 | N_("enable untracked cache without testing the filesystem"), UC_FORCE), |
7c545be9 BP |
1029 | OPT_SET_INT(0, "force-write-index", &force_write, |
1030 | N_("write out the index even if is not flagged as changed"), 1), | |
9d406cba BP |
1031 | OPT_BOOL(0, "fsmonitor", &fsmonitor, |
1032 | N_("enable or disable file system monitor")), | |
1033 | {OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL, | |
1034 | N_("mark files as fsmonitor valid"), | |
1035 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, | |
1036 | {OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL, | |
1037 | N_("clear fsmonitor valid bit"), | |
1038 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, | |
309be813 JN |
1039 | OPT_END() |
1040 | }; | |
bb233d69 | 1041 | |
9c7c27ee | 1042 | if (argc == 2 && !strcmp(argv[1], "-h")) |
b04d930b | 1043 | usage_with_options(update_index_usage, options); |
9c7c27ee | 1044 | |
ef90d6d4 | 1045 | git_config(git_default_config, NULL); |
3e09cdfd | 1046 | |
b3e83cc7 | 1047 | /* we will diagnose later if it turns out that we need to update it */ |
bfffb48c | 1048 | newfd = hold_locked_index(&lock_file, 0); |
7b802b86 JH |
1049 | if (newfd < 0) |
1050 | lock_error = errno; | |
9614b8dc | 1051 | |
e83c5163 | 1052 | entries = read_cache(); |
9614b8dc | 1053 | if (entries < 0) |
2de381f9 | 1054 | die("cache corrupted"); |
e83c5163 | 1055 | |
309be813 JN |
1056 | /* |
1057 | * Custom copy of parse_options() because we want to handle | |
1058 | * filename arguments as they come. | |
1059 | */ | |
1060 | parse_options_start(&ctx, argc, argv, prefix, | |
1061 | options, PARSE_OPT_STOP_AT_NON_OPTION); | |
1062 | while (ctx.argc) { | |
1063 | if (parseopt_state != PARSE_OPT_DONE) | |
1064 | parseopt_state = parse_options_step(&ctx, options, | |
1065 | update_index_usage); | |
1066 | if (!ctx.argc) | |
1067 | break; | |
1068 | switch (parseopt_state) { | |
1069 | case PARSE_OPT_HELP: | |
3bb0923f | 1070 | case PARSE_OPT_ERROR: |
309be813 JN |
1071 | exit(129); |
1072 | case PARSE_OPT_NON_OPTION: | |
1073 | case PARSE_OPT_DONE: | |
1074 | { | |
1075 | const char *path = ctx.argv[0]; | |
d7a643b7 | 1076 | char *p; |
121481ab | 1077 | |
309be813 JN |
1078 | setup_work_tree(); |
1079 | p = prefix_path(prefix, prefix_length, path); | |
6bb69077 | 1080 | update_one(p); |
309be813 JN |
1081 | if (set_executable_bit) |
1082 | chmod_path(set_executable_bit, p); | |
d7a643b7 | 1083 | free(p); |
309be813 JN |
1084 | ctx.argc--; |
1085 | ctx.argv++; | |
1086 | break; | |
1087 | } | |
1088 | case PARSE_OPT_UNKNOWN: | |
1089 | if (ctx.argv[0][1] == '-') | |
1090 | error("unknown option '%s'", ctx.argv[0] + 2); | |
1091 | else | |
1092 | error("unknown switch '%c'", *ctx.opt); | |
1093 | usage_with_options(update_index_usage, options); | |
121481ab | 1094 | } |
ee1bec3d | 1095 | } |
309be813 | 1096 | argc = parse_options_end(&ctx); |
7e07ed84 JH |
1097 | |
1098 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; | |
69dec66b JH |
1099 | if (preferred_index_format) { |
1100 | if (preferred_index_format < INDEX_FORMAT_LB || | |
1101 | INDEX_FORMAT_UB < preferred_index_format) | |
1102 | die("index-version %d not in range: %d..%d", | |
1103 | preferred_index_format, | |
1104 | INDEX_FORMAT_LB, INDEX_FORMAT_UB); | |
1105 | ||
1106 | if (the_index.version != preferred_index_format) | |
782a5ff9 | 1107 | active_cache_changed |= SOMETHING_CHANGED; |
69dec66b JH |
1108 | the_index.version = preferred_index_format; |
1109 | } | |
309be813 | 1110 | |
ee1bec3d | 1111 | if (read_from_stdin) { |
0d4cc1b4 JK |
1112 | struct strbuf buf = STRBUF_INIT; |
1113 | struct strbuf unquoted = STRBUF_INIT; | |
7fb1011e | 1114 | |
f83eafdd | 1115 | setup_work_tree(); |
7e07ed84 | 1116 | while (getline_fn(&buf, stdin) != EOF) { |
d7a643b7 | 1117 | char *p; |
7e07ed84 | 1118 | if (!nul_term_line && buf.buf[0] == '"') { |
0d4cc1b4 JK |
1119 | strbuf_reset(&unquoted); |
1120 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
7fb1011e | 1121 | die("line is badly quoted"); |
0d4cc1b4 | 1122 | strbuf_swap(&buf, &unquoted); |
7fb1011e PH |
1123 | } |
1124 | p = prefix_path(prefix, prefix_length, buf.buf); | |
6bb69077 | 1125 | update_one(p); |
fb69a760 | 1126 | if (set_executable_bit) |
227bdb18 | 1127 | chmod_path(set_executable_bit, p); |
d7a643b7 | 1128 | free(p); |
9b63f501 | 1129 | } |
0d4cc1b4 | 1130 | strbuf_release(&unquoted); |
e6c019d0 | 1131 | strbuf_release(&buf); |
e83c5163 | 1132 | } |
2bd452d3 | 1133 | |
c18b80a0 | 1134 | if (split_index > 0) { |
6cc10533 CC |
1135 | if (git_config_get_split_index() == 0) |
1136 | warning(_("core.splitIndex is set to false; " | |
1137 | "remove or change it, if you really want to " | |
1138 | "enable split index")); | |
cef4fc7e CC |
1139 | if (the_index.split_index) |
1140 | the_index.cache_changed |= SPLIT_INDEX_ORDERED; | |
1141 | else | |
1142 | add_split_index(&the_index); | |
6cc10533 CC |
1143 | } else if (!split_index) { |
1144 | if (git_config_get_split_index() == 1) | |
1145 | warning(_("core.splitIndex is set to true; " | |
1146 | "remove or change it, if you really want to " | |
1147 | "disable split index")); | |
cef4fc7e | 1148 | remove_split_index(&the_index); |
6cc10533 | 1149 | } |
9e597241 | 1150 | |
435ec090 CC |
1151 | switch (untracked_cache) { |
1152 | case UC_UNSPECIFIED: | |
1153 | break; | |
1154 | case UC_DISABLE: | |
1155 | if (git_config_get_untracked_cache() == 1) | |
43073f89 VA |
1156 | warning(_("core.untrackedCache is set to true; " |
1157 | "remove or change it, if you really want to " | |
1158 | "disable the untracked cache")); | |
07b29bfd | 1159 | remove_untracked_cache(&the_index); |
6d19db14 | 1160 | report(_("Untracked cache disabled")); |
435ec090 CC |
1161 | break; |
1162 | case UC_TEST: | |
1163 | setup_work_tree(); | |
1164 | return !test_if_untracked_cache_is_supported(); | |
1165 | case UC_ENABLE: | |
1166 | case UC_FORCE: | |
1167 | if (git_config_get_untracked_cache() == 0) | |
43073f89 VA |
1168 | warning(_("core.untrackedCache is set to false; " |
1169 | "remove or change it, if you really want to " | |
1170 | "enable the untracked cache")); | |
435ec090 CC |
1171 | add_untracked_cache(&the_index); |
1172 | report(_("Untracked cache enabled for '%s'"), get_git_work_tree()); | |
1173 | break; | |
1174 | default: | |
033abf97 | 1175 | BUG("bad untracked_cache value: %d", untracked_cache); |
9e597241 | 1176 | } |
c18b80a0 | 1177 | |
9d406cba BP |
1178 | if (fsmonitor > 0) { |
1179 | if (git_config_get_fsmonitor() == 0) | |
1180 | warning(_("core.fsmonitor is unset; " | |
1181 | "set it if you really want to " | |
1182 | "enable fsmonitor")); | |
1183 | add_fsmonitor(&the_index); | |
1184 | report(_("fsmonitor enabled")); | |
1185 | } else if (!fsmonitor) { | |
1186 | if (git_config_get_fsmonitor() == 1) | |
1187 | warning(_("core.fsmonitor is set; " | |
1188 | "remove it if you really want to " | |
1189 | "disable fsmonitor")); | |
1190 | remove_fsmonitor(&the_index); | |
1191 | report(_("fsmonitor disabled")); | |
1192 | } | |
1193 | ||
7c545be9 | 1194 | if (active_cache_changed || force_write) { |
7b802b86 | 1195 | if (newfd < 0) { |
309be813 | 1196 | if (refresh_args.flags & REFRESH_QUIET) |
7b802b86 | 1197 | exit(128); |
e197c218 | 1198 | unable_to_lock_die(get_index_file(), lock_error); |
7b802b86 | 1199 | } |
bfffb48c | 1200 | if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
021b6e45 | 1201 | die("Unable to write new index file"); |
5cd5ace7 | 1202 | } |
9614b8dc | 1203 | |
bfffb48c | 1204 | rollback_lock_file(&lock_file); |
fefe81c9 | 1205 | |
c4b83e61 | 1206 | return has_errors ? 1 : 0; |
e83c5163 | 1207 | } |