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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 | */ | |
f8adbec9 | 6 | #define USE_THE_INDEX_COMPATIBILITY_MACROS |
e83c5163 | 7 | #include "cache.h" |
b2141fc1 | 8 | #include "config.h" |
697cc8ef | 9 | #include "lockfile.h" |
973d6a20 | 10 | #include "quote.h" |
a6e5642f | 11 | #include "cache-tree.h" |
2bd452d3 | 12 | #include "tree-walk.h" |
fefe81c9 | 13 | #include "builtin.h" |
e011054b | 14 | #include "refs.h" |
4a39f79d | 15 | #include "resolve-undo.h" |
309be813 | 16 | #include "parse-options.h" |
64acde94 | 17 | #include "pathspec.h" |
429bb40a | 18 | #include "dir.h" |
c18b80a0 | 19 | #include "split-index.h" |
883e248b | 20 | #include "fsmonitor.h" |
e83c5163 | 21 | |
121481ab LT |
22 | /* |
23 | * Default to not allowing changes to the list of files. The | |
24 | * tool doesn't actually care, but this makes it harder to add | |
25 | * files to the revision control by mistake by doing something | |
f18d244a | 26 | * like "git update-index *" and suddenly having all the object |
121481ab LT |
27 | * files be revision controlled. |
28 | */ | |
caf4f582 JH |
29 | static int allow_add; |
30 | static int allow_remove; | |
31 | static int allow_replace; | |
caf4f582 | 32 | static int info_only; |
9b63f501 | 33 | static int force_remove; |
caf4f582 | 34 | static int verbose; |
96f1e58f | 35 | static int mark_valid_only; |
44a36913 | 36 | static int mark_skip_worktree_only; |
9d406cba | 37 | static int mark_fsmonitor_only; |
8dfb04ae | 38 | static int ignore_skip_worktree_entries; |
83b327ba NTND |
39 | #define MARK_FLAG 1 |
40 | #define UNMARK_FLAG 2 | |
f64cb88d | 41 | static struct strbuf mtime_dir = STRBUF_INIT; |
5f73076c | 42 | |
113e6413 CC |
43 | /* Untracked cache mode */ |
44 | enum uc_mode { | |
45 | UC_UNSPECIFIED = -1, | |
46 | UC_DISABLE = 0, | |
47 | UC_ENABLE, | |
eaab83d0 | 48 | UC_TEST, |
113e6413 CC |
49 | UC_FORCE |
50 | }; | |
51 | ||
28bea9e5 | 52 | __attribute__((format (printf, 1, 2))) |
caf4f582 JH |
53 | static void report(const char *fmt, ...) |
54 | { | |
55 | va_list vp; | |
56 | ||
57 | if (!verbose) | |
58 | return; | |
59 | ||
60 | va_start(vp, fmt); | |
61 | vprintf(fmt, vp); | |
62 | putchar('\n'); | |
63 | va_end(vp); | |
64 | } | |
65 | ||
f64cb88d NTND |
66 | static void remove_test_directory(void) |
67 | { | |
68 | if (mtime_dir.len) | |
69 | remove_dir_recursively(&mtime_dir, 0); | |
70 | } | |
71 | ||
72 | static const char *get_mtime_path(const char *path) | |
73 | { | |
74 | static struct strbuf sb = STRBUF_INIT; | |
75 | strbuf_reset(&sb); | |
76 | strbuf_addf(&sb, "%s/%s", mtime_dir.buf, path); | |
77 | return sb.buf; | |
78 | } | |
79 | ||
80 | static void xmkdir(const char *path) | |
81 | { | |
82 | path = get_mtime_path(path); | |
83 | if (mkdir(path, 0700)) | |
84 | die_errno(_("failed to create directory %s"), path); | |
85 | } | |
86 | ||
87 | static int xstat_mtime_dir(struct stat *st) | |
88 | { | |
89 | if (stat(mtime_dir.buf, st)) | |
90 | die_errno(_("failed to stat %s"), mtime_dir.buf); | |
91 | return 0; | |
92 | } | |
93 | ||
94 | static int create_file(const char *path) | |
95 | { | |
96 | int fd; | |
97 | path = get_mtime_path(path); | |
98 | fd = open(path, O_CREAT | O_RDWR, 0644); | |
99 | if (fd < 0) | |
100 | die_errno(_("failed to create file %s"), path); | |
101 | return fd; | |
102 | } | |
103 | ||
104 | static void xunlink(const char *path) | |
105 | { | |
106 | path = get_mtime_path(path); | |
107 | if (unlink(path)) | |
108 | die_errno(_("failed to delete file %s"), path); | |
109 | } | |
110 | ||
111 | static void xrmdir(const char *path) | |
112 | { | |
113 | path = get_mtime_path(path); | |
114 | if (rmdir(path)) | |
115 | die_errno(_("failed to delete directory %s"), path); | |
116 | } | |
117 | ||
118 | static void avoid_racy(void) | |
119 | { | |
120 | /* | |
121 | * not use if we could usleep(10) if USE_NSEC is defined. The | |
122 | * field nsec could be there, but the OS could choose to | |
123 | * ignore it? | |
124 | */ | |
125 | sleep(1); | |
126 | } | |
127 | ||
128 | static int test_if_untracked_cache_is_supported(void) | |
129 | { | |
130 | struct stat st; | |
131 | struct stat_data base; | |
132 | int fd, ret = 0; | |
c105f563 | 133 | char *cwd; |
f64cb88d NTND |
134 | |
135 | strbuf_addstr(&mtime_dir, "mtime-test-XXXXXX"); | |
136 | if (!mkdtemp(mtime_dir.buf)) | |
137 | die_errno("Could not make temporary directory"); | |
138 | ||
c105f563 CC |
139 | cwd = xgetcwd(); |
140 | fprintf(stderr, _("Testing mtime in '%s' "), cwd); | |
141 | free(cwd); | |
142 | ||
f64cb88d NTND |
143 | atexit(remove_test_directory); |
144 | xstat_mtime_dir(&st); | |
145 | fill_stat_data(&base, &st); | |
146 | fputc('.', stderr); | |
147 | ||
148 | avoid_racy(); | |
149 | fd = create_file("newfile"); | |
150 | xstat_mtime_dir(&st); | |
151 | if (!match_stat_data(&base, &st)) { | |
152 | close(fd); | |
153 | fputc('\n', stderr); | |
154 | fprintf_ln(stderr,_("directory stat info does not " | |
155 | "change after adding a new file")); | |
156 | goto done; | |
157 | } | |
158 | fill_stat_data(&base, &st); | |
159 | fputc('.', stderr); | |
160 | ||
161 | avoid_racy(); | |
162 | xmkdir("new-dir"); | |
163 | xstat_mtime_dir(&st); | |
164 | if (!match_stat_data(&base, &st)) { | |
165 | close(fd); | |
166 | fputc('\n', stderr); | |
167 | fprintf_ln(stderr, _("directory stat info does not change " | |
168 | "after adding a new directory")); | |
169 | goto done; | |
170 | } | |
171 | fill_stat_data(&base, &st); | |
172 | fputc('.', stderr); | |
173 | ||
174 | avoid_racy(); | |
175 | write_or_die(fd, "data", 4); | |
176 | close(fd); | |
177 | xstat_mtime_dir(&st); | |
178 | if (match_stat_data(&base, &st)) { | |
179 | fputc('\n', stderr); | |
180 | fprintf_ln(stderr, _("directory stat info changes " | |
181 | "after updating a file")); | |
182 | goto done; | |
183 | } | |
184 | fputc('.', stderr); | |
185 | ||
186 | avoid_racy(); | |
187 | close(create_file("new-dir/new")); | |
188 | xstat_mtime_dir(&st); | |
189 | if (match_stat_data(&base, &st)) { | |
190 | fputc('\n', stderr); | |
191 | fprintf_ln(stderr, _("directory stat info changes after " | |
192 | "adding a file inside subdirectory")); | |
193 | goto done; | |
194 | } | |
195 | fputc('.', stderr); | |
196 | ||
197 | avoid_racy(); | |
198 | xunlink("newfile"); | |
199 | xstat_mtime_dir(&st); | |
200 | if (!match_stat_data(&base, &st)) { | |
201 | fputc('\n', stderr); | |
202 | fprintf_ln(stderr, _("directory stat info does not " | |
203 | "change after deleting a file")); | |
204 | goto done; | |
205 | } | |
206 | fill_stat_data(&base, &st); | |
207 | fputc('.', stderr); | |
208 | ||
209 | avoid_racy(); | |
210 | xunlink("new-dir/new"); | |
211 | xrmdir("new-dir"); | |
212 | xstat_mtime_dir(&st); | |
213 | if (!match_stat_data(&base, &st)) { | |
214 | fputc('\n', stderr); | |
215 | fprintf_ln(stderr, _("directory stat info does not " | |
216 | "change after deleting a directory")); | |
217 | goto done; | |
218 | } | |
219 | ||
220 | if (rmdir(mtime_dir.buf)) | |
221 | die_errno(_("failed to delete directory %s"), mtime_dir.buf); | |
222 | fprintf_ln(stderr, _(" OK")); | |
223 | ret = 1; | |
224 | ||
225 | done: | |
226 | strbuf_release(&mtime_dir); | |
227 | return ret; | |
228 | } | |
229 | ||
83b327ba | 230 | static int mark_ce_flags(const char *path, int flag, int mark) |
5f73076c JH |
231 | { |
232 | int namelen = strlen(path); | |
233 | int pos = cache_name_pos(path, namelen); | |
234 | if (0 <= pos) { | |
9d406cba | 235 | mark_fsmonitor_invalid(&the_index, active_cache[pos]); |
83b327ba NTND |
236 | if (mark) |
237 | active_cache[pos]->ce_flags |= flag; | |
238 | else | |
239 | active_cache[pos]->ce_flags &= ~flag; | |
078a58e8 | 240 | active_cache[pos]->ce_flags |= CE_UPDATE_IN_BASE; |
a5400efe | 241 | cache_tree_invalidate_path(&the_index, path); |
782a5ff9 | 242 | active_cache_changed |= CE_ENTRY_CHANGED; |
5f73076c JH |
243 | return 0; |
244 | } | |
245 | return -1; | |
246 | } | |
247 | ||
e011054b | 248 | static int remove_one_path(const char *path) |
e83c5163 | 249 | { |
e011054b LT |
250 | if (!allow_remove) |
251 | return error("%s: does not exist and --remove not passed", path); | |
252 | if (remove_file_from_cache(path)) | |
253 | return error("%s: cannot remove from the index", path); | |
254 | return 0; | |
255 | } | |
a6e5642f | 256 | |
e011054b LT |
257 | /* |
258 | * Handle a path that couldn't be lstat'ed. It's either: | |
259 | * - missing file (ENOENT or ENOTDIR). That's ok if we're | |
260 | * supposed to be removing it and the removal actually | |
261 | * succeeds. | |
262 | * - permission error. That's never ok. | |
263 | */ | |
264 | static int process_lstat_error(const char *path, int err) | |
265 | { | |
c7054209 | 266 | if (is_missing_file_error(err)) |
e011054b | 267 | return remove_one_path(path); |
23d05364 | 268 | return error("lstat(\"%s\"): %s", path, strerror(err)); |
e011054b | 269 | } |
a6e5642f | 270 | |
9c5e6c80 | 271 | static int add_one_path(const struct cache_entry *old, const char *path, int len, struct stat *st) |
e011054b | 272 | { |
a849735b | 273 | int option; |
22631473 | 274 | struct cache_entry *ce; |
3e09cdfd | 275 | |
22631473 LT |
276 | /* Was the old index entry already up-to-date? */ |
277 | if (old && !ce_stage(old) && !ce_match_stat(old, st, 0)) | |
278 | return 0; | |
279 | ||
a849735b | 280 | ce = make_empty_cache_entry(&the_index, len); |
e011054b | 281 | memcpy(ce->name, path, len); |
b60e188c TG |
282 | ce->ce_flags = create_ce_flags(0); |
283 | ce->ce_namelen = len; | |
d4c0a3ac | 284 | fill_stat_cache_info(&the_index, ce, st); |
e011054b | 285 | ce->ce_mode = ce_mode_from_stat(old, st->st_mode); |
ec1fcc16 | 286 | |
58bf2a4c | 287 | if (index_path(&the_index, &ce->oid, path, st, |
dc4cd767 | 288 | info_only ? 0 : HASH_WRITE_OBJECT)) { |
a849735b | 289 | discard_cache_entry(ce); |
ec1fcc16 | 290 | return -1; |
dc4cd767 | 291 | } |
192268c1 JH |
292 | option = allow_add ? ADD_CACHE_OK_TO_ADD : 0; |
293 | option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0; | |
baddc96b | 294 | if (add_cache_entry(ce, option)) { |
a849735b | 295 | discard_cache_entry(ce); |
e011054b | 296 | return error("%s: cannot add to the index - missing --add option?", path); |
baddc96b | 297 | } |
34143b26 | 298 | return 0; |
121481ab LT |
299 | } |
300 | ||
e011054b LT |
301 | /* |
302 | * Handle a path that was a directory. Four cases: | |
303 | * | |
304 | * - it's already a gitlink in the index, and we keep it that | |
305 | * way, and update it if we can (if we cannot find the HEAD, | |
306 | * we're going to keep it unchanged in the index!) | |
307 | * | |
308 | * - it's a *file* in the index, in which case it should be | |
309 | * removed as a file if removal is allowed, since it doesn't | |
310 | * exist as such any more. If removal isn't allowed, it's | |
311 | * an error. | |
312 | * | |
313 | * (NOTE! This is old and arguably fairly strange behaviour. | |
314 | * We might want to make this an error unconditionally, and | |
315 | * use "--force-remove" if you actually want to force removal). | |
316 | * | |
317 | * - it used to exist as a subdirectory (ie multiple files with | |
318 | * this particular prefix) in the index, in which case it's wrong | |
319 | * to try to update it as a directory. | |
320 | * | |
321 | * - it doesn't exist at all in the index, but it is a valid | |
322 | * git directory, and it should be *added* as a gitlink. | |
323 | */ | |
324 | static int process_directory(const char *path, int len, struct stat *st) | |
325 | { | |
71445a0f | 326 | struct object_id oid; |
e011054b LT |
327 | int pos = cache_name_pos(path, len); |
328 | ||
329 | /* Exact match: file or existing gitlink */ | |
330 | if (pos >= 0) { | |
9c5e6c80 | 331 | const struct cache_entry *ce = active_cache[pos]; |
7a51ed66 | 332 | if (S_ISGITLINK(ce->ce_mode)) { |
e011054b LT |
333 | |
334 | /* Do nothing to the index if there is no HEAD! */ | |
a98e6101 | 335 | if (resolve_gitlink_ref(path, "HEAD", &oid) < 0) |
e011054b LT |
336 | return 0; |
337 | ||
338 | return add_one_path(ce, path, len, st); | |
339 | } | |
340 | /* Should this be an unconditional error? */ | |
341 | return remove_one_path(path); | |
342 | } | |
343 | ||
344 | /* Inexact match: is there perhaps a subdirectory match? */ | |
345 | pos = -pos-1; | |
346 | while (pos < active_nr) { | |
9c5e6c80 | 347 | const struct cache_entry *ce = active_cache[pos++]; |
e011054b LT |
348 | |
349 | if (strncmp(ce->name, path, len)) | |
350 | break; | |
351 | if (ce->name[len] > '/') | |
352 | break; | |
353 | if (ce->name[len] < '/') | |
354 | continue; | |
355 | ||
356 | /* Subdirectory match - error out */ | |
357 | return error("%s: is a directory - add individual files instead", path); | |
358 | } | |
359 | ||
360 | /* No match - should we add it as a gitlink? */ | |
a98e6101 | 361 | if (!resolve_gitlink_ref(path, "HEAD", &oid)) |
e011054b LT |
362 | return add_one_path(NULL, path, len, st); |
363 | ||
364 | /* Error out. */ | |
365 | return error("%s: is a directory - add files inside instead", path); | |
366 | } | |
367 | ||
eb12dd0c | 368 | static int process_path(const char *path, struct stat *st, int stat_errno) |
e011054b | 369 | { |
b4d1690d | 370 | int pos, len; |
9c5e6c80 | 371 | const struct cache_entry *ce; |
e011054b | 372 | |
806d13b1 | 373 | len = strlen(path); |
57199892 | 374 | if (has_symlink_leading_path(path, len)) |
806d13b1 JH |
375 | return error("'%s' is beyond a symbolic link", path); |
376 | ||
b4d1690d NTND |
377 | pos = cache_name_pos(path, len); |
378 | ce = pos < 0 ? NULL : active_cache[pos]; | |
379 | if (ce && ce_skip_worktree(ce)) { | |
380 | /* | |
381 | * working directory version is assumed "good" | |
382 | * so updating it does not make sense. | |
383 | * On the other hand, removing it from index should work | |
384 | */ | |
8dfb04ae JS |
385 | if (!ignore_skip_worktree_entries && allow_remove && |
386 | remove_file_from_cache(path)) | |
b4d1690d NTND |
387 | return error("%s: cannot remove from the index", path); |
388 | return 0; | |
389 | } | |
390 | ||
e011054b LT |
391 | /* |
392 | * First things first: get the stat information, to decide | |
393 | * what to do about the pathname! | |
394 | */ | |
eb12dd0c JK |
395 | if (stat_errno) |
396 | return process_lstat_error(path, stat_errno); | |
e011054b | 397 | |
eb12dd0c JK |
398 | if (S_ISDIR(st->st_mode)) |
399 | return process_directory(path, len, st); | |
e011054b | 400 | |
eb12dd0c | 401 | return add_one_path(ce, path, len, st); |
e011054b LT |
402 | } |
403 | ||
71445a0f | 404 | static int add_cacheinfo(unsigned int mode, const struct object_id *oid, |
d23748a6 | 405 | const char *path, int stage) |
9945d980 | 406 | { |
a849735b | 407 | int len, option; |
9945d980 LT |
408 | struct cache_entry *ce; |
409 | ||
10ecfa76 | 410 | if (!verify_path(path, mode)) |
7e7abea9 | 411 | return error("Invalid path '%s'", path); |
9945d980 | 412 | |
d23748a6 | 413 | len = strlen(path); |
a849735b | 414 | ce = make_empty_cache_entry(&the_index, len); |
9945d980 | 415 | |
71445a0f | 416 | oidcpy(&ce->oid, oid); |
d23748a6 | 417 | memcpy(ce->name, path, len); |
b60e188c TG |
418 | ce->ce_flags = create_ce_flags(stage); |
419 | ce->ce_namelen = len; | |
e4479470 | 420 | ce->ce_mode = create_ce_mode(mode); |
5f73076c | 421 | if (assume_unchanged) |
7a51ed66 | 422 | ce->ce_flags |= CE_VALID; |
192268c1 JH |
423 | option = allow_add ? ADD_CACHE_OK_TO_ADD : 0; |
424 | option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0; | |
caf4f582 JH |
425 | if (add_cache_entry(ce, option)) |
426 | return error("%s: cannot add to the index - missing --add option?", | |
d23748a6 JH |
427 | path); |
428 | report("add '%s'", path); | |
caf4f582 | 429 | return 0; |
9945d980 LT |
430 | } |
431 | ||
22433ce4 | 432 | static void chmod_path(char flip, const char *path) |
3e09cdfd JH |
433 | { |
434 | int pos; | |
435 | struct cache_entry *ce; | |
f2a19340 | 436 | |
3e09cdfd JH |
437 | pos = cache_name_pos(path, strlen(path)); |
438 | if (pos < 0) | |
227bdb18 | 439 | goto fail; |
3e09cdfd | 440 | ce = active_cache[pos]; |
d9d70966 | 441 | if (chmod_cache_entry(ce, flip) < 0) |
227bdb18 | 442 | goto fail; |
d9d70966 | 443 | |
227bdb18 AR |
444 | report("chmod %cx '%s'", flip, path); |
445 | return; | |
446 | fail: | |
7e44c935 | 447 | die("git update-index: cannot chmod %cx '%s'", flip, path); |
3e09cdfd JH |
448 | } |
449 | ||
6bb69077 | 450 | static void update_one(const char *path) |
ee1bec3d | 451 | { |
eb12dd0c JK |
452 | int stat_errno = 0; |
453 | struct stat st; | |
454 | ||
68f95b26 JH |
455 | if (mark_valid_only || mark_skip_worktree_only || force_remove || |
456 | mark_fsmonitor_only) | |
eb12dd0c JK |
457 | st.st_mode = 0; |
458 | else if (lstat(path, &st) < 0) { | |
459 | st.st_mode = 0; | |
460 | stat_errno = errno; | |
461 | } /* else stat is valid */ | |
462 | ||
10ecfa76 | 463 | if (!verify_path(path, st.st_mode)) { |
ee1bec3d | 464 | fprintf(stderr, "Ignoring path %s\n", path); |
6bb69077 | 465 | return; |
ee1bec3d | 466 | } |
5f73076c | 467 | if (mark_valid_only) { |
6bb69077 | 468 | if (mark_ce_flags(path, CE_VALID, mark_valid_only == MARK_FLAG)) |
5f73076c | 469 | die("Unable to mark file %s", path); |
6bb69077 | 470 | return; |
5f73076c | 471 | } |
44a36913 | 472 | if (mark_skip_worktree_only) { |
6bb69077 | 473 | if (mark_ce_flags(path, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG)) |
5f73076c | 474 | die("Unable to mark file %s", path); |
6bb69077 | 475 | return; |
5f73076c | 476 | } |
9d406cba BP |
477 | if (mark_fsmonitor_only) { |
478 | if (mark_ce_flags(path, CE_FSMONITOR_VALID, mark_fsmonitor_only == MARK_FLAG)) | |
479 | die("Unable to mark file %s", path); | |
480 | return; | |
481 | } | |
5f73076c | 482 | |
ee1bec3d | 483 | if (force_remove) { |
6bb69077 | 484 | if (remove_file_from_cache(path)) |
7e44c935 | 485 | die("git update-index: unable to remove %s", path); |
caf4f582 | 486 | report("remove '%s'", path); |
6bb69077 | 487 | return; |
ee1bec3d | 488 | } |
eb12dd0c | 489 | if (process_path(path, &st, stat_errno)) |
e011054b | 490 | die("Unable to process path %s", path); |
caf4f582 | 491 | report("add '%s'", path); |
ee1bec3d JH |
492 | } |
493 | ||
7e07ed84 | 494 | static void read_index_info(int nul_term_line) |
d4dbf36d | 495 | { |
1928c944 | 496 | const int hexsz = the_hash_algo->hexsz; |
f285a2d7 BC |
497 | struct strbuf buf = STRBUF_INIT; |
498 | struct strbuf uq = STRBUF_INIT; | |
7e07ed84 | 499 | strbuf_getline_fn getline_fn; |
7fb1011e | 500 | |
7e07ed84 JH |
501 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; |
502 | while (getline_fn(&buf, stdin) != EOF) { | |
9c20a470 | 503 | char *ptr, *tab; |
973d6a20 | 504 | char *path_name; |
71445a0f | 505 | struct object_id oid; |
d4dbf36d | 506 | unsigned int mode; |
6aead43d | 507 | unsigned long ul; |
d23748a6 JH |
508 | int stage; |
509 | ||
510 | /* This reads lines formatted in one of three formats: | |
511 | * | |
512 | * (1) mode SP sha1 TAB path | |
f18d244a | 513 | * The first format is what "git apply --index-info" |
d23748a6 JH |
514 | * reports, and used to reconstruct a partial tree |
515 | * that is used for phony merge base tree when falling | |
516 | * back on 3-way merge. | |
517 | * | |
518 | * (2) mode SP type SP sha1 TAB path | |
f18d244a | 519 | * The second format is to stuff "git ls-tree" output |
d23748a6 | 520 | * into the index file. |
fefe81c9 | 521 | * |
d23748a6 JH |
522 | * (3) mode SP sha1 SP stage TAB path |
523 | * This format is to put higher order stages into the | |
f18d244a | 524 | * index file and matches "git ls-files --stage" output. |
d23748a6 | 525 | */ |
6aead43d JM |
526 | errno = 0; |
527 | ul = strtoul(buf.buf, &ptr, 8); | |
528 | if (ptr == buf.buf || *ptr != ' ' | |
529 | || errno || (unsigned int) ul != ul) | |
d4dbf36d | 530 | goto bad_line; |
6aead43d | 531 | mode = ul; |
d4dbf36d | 532 | |
9c20a470 | 533 | tab = strchr(ptr, '\t'); |
1928c944 | 534 | if (!tab || tab - ptr < hexsz + 1) |
9c20a470 | 535 | goto bad_line; |
d23748a6 | 536 | |
2d497115 | 537 | if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') { |
d23748a6 JH |
538 | stage = tab[-1] - '0'; |
539 | ptr = tab + 1; /* point at the head of path */ | |
540 | tab = tab - 2; /* point at tail of sha1 */ | |
541 | } | |
542 | else { | |
543 | stage = 0; | |
544 | ptr = tab + 1; /* point at the head of path */ | |
545 | } | |
546 | ||
1928c944 | 547 | if (get_oid_hex(tab - hexsz, &oid) || |
548 | tab[-(hexsz + 1)] != ' ') | |
9c20a470 | 549 | goto bad_line; |
973d6a20 | 550 | |
7fb1011e | 551 | path_name = ptr; |
7e07ed84 | 552 | if (!nul_term_line && path_name[0] == '"') { |
7fb1011e PH |
553 | strbuf_reset(&uq); |
554 | if (unquote_c_style(&uq, path_name, NULL)) { | |
7e44c935 | 555 | die("git update-index: bad quoting of path name"); |
7fb1011e PH |
556 | } |
557 | path_name = uq.buf; | |
558 | } | |
973d6a20 | 559 | |
10ecfa76 | 560 | if (!verify_path(path_name, mode)) { |
973d6a20 | 561 | fprintf(stderr, "Ignoring path %s\n", path_name); |
d4dbf36d JH |
562 | continue; |
563 | } | |
564 | ||
565 | if (!mode) { | |
566 | /* mode == 0 means there is no such path -- remove */ | |
973d6a20 | 567 | if (remove_file_from_cache(path_name)) |
7e44c935 | 568 | die("git update-index: unable to remove %s", |
d4dbf36d JH |
569 | ptr); |
570 | } | |
571 | else { | |
572 | /* mode ' ' sha1 '\t' name | |
573 | * ptr[-1] points at tab, | |
574 | * ptr[-41] is at the beginning of sha1 | |
575 | */ | |
1928c944 | 576 | ptr[-(hexsz + 2)] = ptr[-1] = 0; |
71445a0f | 577 | if (add_cacheinfo(mode, &oid, path_name, stage)) |
7e44c935 | 578 | die("git update-index: unable to update %s", |
973d6a20 | 579 | path_name); |
d4dbf36d JH |
580 | } |
581 | continue; | |
582 | ||
583 | bad_line: | |
584 | die("malformed index info %s", buf.buf); | |
585 | } | |
e6c019d0 | 586 | strbuf_release(&buf); |
7fb1011e | 587 | strbuf_release(&uq); |
d4dbf36d JH |
588 | } |
589 | ||
309be813 | 590 | static const char * const update_index_usage[] = { |
9c9b4f2f | 591 | N_("git update-index [<options>] [--] [<file>...]"), |
309be813 JN |
592 | NULL |
593 | }; | |
f6ab5bb2 | 594 | |
71445a0f | 595 | static struct object_id head_oid; |
596 | static struct object_id merge_head_oid; | |
2bd452d3 JH |
597 | |
598 | static struct cache_entry *read_one_ent(const char *which, | |
71445a0f | 599 | struct object_id *ent, const char *path, |
2bd452d3 JH |
600 | int namelen, int stage) |
601 | { | |
5ec1e728 | 602 | unsigned short mode; |
71445a0f | 603 | struct object_id oid; |
2bd452d3 JH |
604 | struct cache_entry *ce; |
605 | ||
50ddb089 | 606 | if (get_tree_entry(the_repository, ent, path, &oid, &mode)) { |
83e77a25 JH |
607 | if (which) |
608 | error("%s: not in %s branch.", path, which); | |
2bd452d3 JH |
609 | return NULL; |
610 | } | |
611 | if (mode == S_IFDIR) { | |
83e77a25 JH |
612 | if (which) |
613 | error("%s: not a blob in %s branch.", path, which); | |
2bd452d3 JH |
614 | return NULL; |
615 | } | |
a849735b | 616 | ce = make_empty_cache_entry(&the_index, namelen); |
2bd452d3 | 617 | |
71445a0f | 618 | oidcpy(&ce->oid, &oid); |
2bd452d3 | 619 | memcpy(ce->name, path, namelen); |
b60e188c TG |
620 | ce->ce_flags = create_ce_flags(stage); |
621 | ce->ce_namelen = namelen; | |
2bd452d3 JH |
622 | ce->ce_mode = create_ce_mode(mode); |
623 | return ce; | |
624 | } | |
625 | ||
626 | static int unresolve_one(const char *path) | |
627 | { | |
628 | int namelen = strlen(path); | |
629 | int pos; | |
630 | int ret = 0; | |
631 | struct cache_entry *ce_2 = NULL, *ce_3 = NULL; | |
632 | ||
633 | /* See if there is such entry in the index. */ | |
634 | pos = cache_name_pos(path, namelen); | |
8aa38563 JH |
635 | if (0 <= pos) { |
636 | /* already merged */ | |
637 | pos = unmerge_cache_entry_at(pos); | |
638 | if (pos < active_nr) { | |
9c5e6c80 | 639 | const struct cache_entry *ce = active_cache[pos]; |
8aa38563 JH |
640 | if (ce_stage(ce) && |
641 | ce_namelen(ce) == namelen && | |
642 | !memcmp(ce->name, path, namelen)) | |
643 | return 0; | |
644 | } | |
645 | /* no resolve-undo information; fall back */ | |
646 | } else { | |
2bd452d3 JH |
647 | /* If there isn't, either it is unmerged, or |
648 | * resolved as "removed" by mistake. We do not | |
649 | * want to do anything in the former case. | |
650 | */ | |
651 | pos = -pos-1; | |
652 | if (pos < active_nr) { | |
9c5e6c80 | 653 | const struct cache_entry *ce = active_cache[pos]; |
2bd452d3 JH |
654 | if (ce_namelen(ce) == namelen && |
655 | !memcmp(ce->name, path, namelen)) { | |
656 | fprintf(stderr, | |
657 | "%s: skipping still unmerged path.\n", | |
658 | path); | |
659 | goto free_return; | |
660 | } | |
661 | } | |
662 | } | |
663 | ||
664 | /* Grab blobs from given path from HEAD and MERGE_HEAD, | |
665 | * stuff HEAD version in stage #2, | |
666 | * stuff MERGE_HEAD version in stage #3. | |
667 | */ | |
71445a0f | 668 | ce_2 = read_one_ent("our", &head_oid, path, namelen, 2); |
669 | ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3); | |
2bd452d3 JH |
670 | |
671 | if (!ce_2 || !ce_3) { | |
672 | ret = -1; | |
673 | goto free_return; | |
674 | } | |
4a7e27e9 | 675 | if (oideq(&ce_2->oid, &ce_3->oid) && |
2bd452d3 JH |
676 | ce_2->ce_mode == ce_3->ce_mode) { |
677 | fprintf(stderr, "%s: identical in both, skipping.\n", | |
678 | path); | |
679 | goto free_return; | |
680 | } | |
681 | ||
682 | remove_file_from_cache(path); | |
683 | if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) { | |
684 | error("%s: cannot add our version to the index.", path); | |
685 | ret = -1; | |
686 | goto free_return; | |
687 | } | |
688 | if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD)) | |
689 | return 0; | |
690 | error("%s: cannot add their version to the index.", path); | |
691 | ret = -1; | |
692 | free_return: | |
a849735b JM |
693 | discard_cache_entry(ce_2); |
694 | discard_cache_entry(ce_3); | |
2bd452d3 JH |
695 | return ret; |
696 | } | |
697 | ||
698 | static void read_head_pointers(void) | |
699 | { | |
34c290a6 | 700 | if (read_ref("HEAD", &head_oid)) |
d7530708 | 701 | die("No HEAD -- no initial commit yet?"); |
34c290a6 | 702 | if (read_ref("MERGE_HEAD", &merge_head_oid)) { |
2bd452d3 JH |
703 | fprintf(stderr, "Not in the middle of a merge.\n"); |
704 | exit(0); | |
705 | } | |
706 | } | |
707 | ||
09895c1f JH |
708 | static int do_unresolve(int ac, const char **av, |
709 | const char *prefix, int prefix_length) | |
2bd452d3 JH |
710 | { |
711 | int i; | |
712 | int err = 0; | |
713 | ||
714 | /* Read HEAD and MERGE_HEAD; if MERGE_HEAD does not exist, we | |
715 | * are not doing a merge, so exit with success status. | |
716 | */ | |
717 | read_head_pointers(); | |
718 | ||
719 | for (i = 1; i < ac; i++) { | |
720 | const char *arg = av[i]; | |
d7a643b7 | 721 | char *p = prefix_path(prefix, prefix_length, arg); |
09895c1f | 722 | err |= unresolve_one(p); |
d7a643b7 | 723 | free(p); |
2bd452d3 JH |
724 | } |
725 | return err; | |
726 | } | |
727 | ||
83e77a25 | 728 | static int do_reupdate(int ac, const char **av, |
5bb1cb6d | 729 | const char *prefix) |
83e77a25 JH |
730 | { |
731 | /* Read HEAD and run update-index on paths that are | |
732 | * merged and already different between index and HEAD. | |
733 | */ | |
734 | int pos; | |
735 | int has_head = 1; | |
eb9cb55b NTND |
736 | struct pathspec pathspec; |
737 | ||
0fdc2ae5 NTND |
738 | parse_pathspec(&pathspec, 0, |
739 | PATHSPEC_PREFER_CWD, | |
740 | prefix, av + 1); | |
83e77a25 | 741 | |
34c290a6 | 742 | if (read_ref("HEAD", &head_oid)) |
83e77a25 JH |
743 | /* If there is no HEAD, that means it is an initial |
744 | * commit. Update everything in the index. | |
745 | */ | |
746 | has_head = 0; | |
747 | redo: | |
748 | for (pos = 0; pos < active_nr; pos++) { | |
9c5e6c80 | 749 | const struct cache_entry *ce = active_cache[pos]; |
83e77a25 JH |
750 | struct cache_entry *old = NULL; |
751 | int save_nr; | |
5699d17e | 752 | char *path; |
22293b9c | 753 | |
6d2df284 | 754 | if (ce_stage(ce) || !ce_path_match(&the_index, ce, &pathspec, NULL)) |
83e77a25 JH |
755 | continue; |
756 | if (has_head) | |
71445a0f | 757 | old = read_one_ent(NULL, &head_oid, |
83e77a25 JH |
758 | ce->name, ce_namelen(ce), 0); |
759 | if (old && ce->ce_mode == old->ce_mode && | |
4a7e27e9 | 760 | oideq(&ce->oid, &old->oid)) { |
a849735b | 761 | discard_cache_entry(old); |
83e77a25 JH |
762 | continue; /* unchanged */ |
763 | } | |
764 | /* Be careful. The working tree may not have the | |
765 | * path anymore, in which case, under 'allow_remove', | |
766 | * or worse yet 'allow_replace', active_nr may decrease. | |
767 | */ | |
768 | save_nr = active_nr; | |
5699d17e KB |
769 | path = xstrdup(ce->name); |
770 | update_one(path); | |
771 | free(path); | |
a849735b | 772 | discard_cache_entry(old); |
83e77a25 JH |
773 | if (save_nr != active_nr) |
774 | goto redo; | |
775 | } | |
ed6e8038 | 776 | clear_pathspec(&pathspec); |
83e77a25 JH |
777 | return 0; |
778 | } | |
779 | ||
309be813 JN |
780 | struct refresh_params { |
781 | unsigned int flags; | |
782 | int *has_errors; | |
783 | }; | |
784 | ||
785 | static int refresh(struct refresh_params *o, unsigned int flag) | |
786 | { | |
787 | setup_work_tree(); | |
6c5b7f55 | 788 | read_cache(); |
309be813 JN |
789 | *o->has_errors |= refresh_cache(o->flags | flag); |
790 | return 0; | |
791 | } | |
792 | ||
793 | static int refresh_callback(const struct option *opt, | |
794 | const char *arg, int unset) | |
795 | { | |
517fe807 JK |
796 | BUG_ON_OPT_NEG(unset); |
797 | BUG_ON_OPT_ARG(arg); | |
309be813 JN |
798 | return refresh(opt->value, 0); |
799 | } | |
800 | ||
801 | static int really_refresh_callback(const struct option *opt, | |
802 | const char *arg, int unset) | |
803 | { | |
517fe807 JK |
804 | BUG_ON_OPT_NEG(unset); |
805 | BUG_ON_OPT_ARG(arg); | |
309be813 JN |
806 | return refresh(opt->value, REFRESH_REALLY); |
807 | } | |
808 | ||
809 | static int chmod_callback(const struct option *opt, | |
810 | const char *arg, int unset) | |
811 | { | |
812 | char *flip = opt->value; | |
517fe807 | 813 | BUG_ON_OPT_NEG(unset); |
309be813 JN |
814 | if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2]) |
815 | return error("option 'chmod' expects \"+x\" or \"-x\""); | |
816 | *flip = arg[0]; | |
817 | return 0; | |
818 | } | |
819 | ||
820 | static int resolve_undo_clear_callback(const struct option *opt, | |
821 | const char *arg, int unset) | |
822 | { | |
517fe807 JK |
823 | BUG_ON_OPT_NEG(unset); |
824 | BUG_ON_OPT_ARG(arg); | |
309be813 JN |
825 | resolve_undo_clear(); |
826 | return 0; | |
827 | } | |
828 | ||
ec160ae1 JH |
829 | static int parse_new_style_cacheinfo(const char *arg, |
830 | unsigned int *mode, | |
71445a0f | 831 | struct object_id *oid, |
ec160ae1 JH |
832 | const char **path) |
833 | { | |
834 | unsigned long ul; | |
835 | char *endp; | |
fe04ccf7 | 836 | const char *p; |
ec160ae1 | 837 | |
c8e1ee4f JK |
838 | if (!arg) |
839 | return -1; | |
840 | ||
ec160ae1 JH |
841 | errno = 0; |
842 | ul = strtoul(arg, &endp, 8); | |
843 | if (errno || endp == arg || *endp != ',' || (unsigned int) ul != ul) | |
844 | return -1; /* not a new-style cacheinfo */ | |
845 | *mode = ul; | |
846 | endp++; | |
fe04ccf7 | 847 | if (parse_oid_hex(endp, oid, &p) || *p != ',') |
ec160ae1 | 848 | return -1; |
fe04ccf7 | 849 | *path = p + 1; |
ec160ae1 JH |
850 | return 0; |
851 | } | |
852 | ||
f41179f1 | 853 | static enum parse_opt_result cacheinfo_callback( |
3ebbe289 NTND |
854 | struct parse_opt_ctx_t *ctx, const struct option *opt, |
855 | const char *arg, int unset) | |
309be813 | 856 | { |
71445a0f | 857 | struct object_id oid; |
309be813 | 858 | unsigned int mode; |
ec160ae1 | 859 | const char *path; |
309be813 | 860 | |
517fe807 | 861 | BUG_ON_OPT_NEG(unset); |
3ebbe289 | 862 | BUG_ON_OPT_ARG(arg); |
517fe807 | 863 | |
71445a0f | 864 | if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) { |
865 | if (add_cacheinfo(mode, &oid, path, 0)) | |
ec160ae1 JH |
866 | die("git update-index: --cacheinfo cannot add %s", path); |
867 | ctx->argv++; | |
868 | ctx->argc--; | |
869 | return 0; | |
870 | } | |
309be813 | 871 | if (ctx->argc <= 3) |
ec160ae1 | 872 | return error("option 'cacheinfo' expects <mode>,<sha1>,<path>"); |
309be813 | 873 | if (strtoul_ui(*++ctx->argv, 8, &mode) || |
71445a0f | 874 | get_oid_hex(*++ctx->argv, &oid) || |
875 | add_cacheinfo(mode, &oid, *++ctx->argv, 0)) | |
309be813 JN |
876 | die("git update-index: --cacheinfo cannot add %s", *ctx->argv); |
877 | ctx->argc -= 3; | |
878 | return 0; | |
879 | } | |
880 | ||
f41179f1 | 881 | static enum parse_opt_result stdin_cacheinfo_callback( |
3ebbe289 NTND |
882 | struct parse_opt_ctx_t *ctx, const struct option *opt, |
883 | const char *arg, int unset) | |
309be813 | 884 | { |
7e07ed84 | 885 | int *nul_term_line = opt->value; |
309be813 | 886 | |
517fe807 | 887 | BUG_ON_OPT_NEG(unset); |
3ebbe289 | 888 | BUG_ON_OPT_ARG(arg); |
517fe807 | 889 | |
309be813 JN |
890 | if (ctx->argc != 1) |
891 | return error("option '%s' must be the last argument", opt->long_name); | |
892 | allow_add = allow_replace = allow_remove = 1; | |
7e07ed84 | 893 | read_index_info(*nul_term_line); |
309be813 JN |
894 | return 0; |
895 | } | |
896 | ||
f41179f1 | 897 | static enum parse_opt_result stdin_callback( |
3ebbe289 NTND |
898 | struct parse_opt_ctx_t *ctx, const struct option *opt, |
899 | const char *arg, int unset) | |
309be813 JN |
900 | { |
901 | int *read_from_stdin = opt->value; | |
902 | ||
517fe807 | 903 | BUG_ON_OPT_NEG(unset); |
3ebbe289 | 904 | BUG_ON_OPT_ARG(arg); |
517fe807 | 905 | |
309be813 JN |
906 | if (ctx->argc != 1) |
907 | return error("option '%s' must be the last argument", opt->long_name); | |
908 | *read_from_stdin = 1; | |
909 | return 0; | |
910 | } | |
911 | ||
f41179f1 | 912 | static enum parse_opt_result unresolve_callback( |
3ebbe289 NTND |
913 | struct parse_opt_ctx_t *ctx, const struct option *opt, |
914 | const char *arg, int unset) | |
309be813 JN |
915 | { |
916 | int *has_errors = opt->value; | |
917 | const char *prefix = startup_info->prefix; | |
918 | ||
517fe807 | 919 | BUG_ON_OPT_NEG(unset); |
3ebbe289 | 920 | BUG_ON_OPT_ARG(arg); |
517fe807 | 921 | |
309be813 JN |
922 | /* consume remaining arguments. */ |
923 | *has_errors = do_unresolve(ctx->argc, ctx->argv, | |
924 | prefix, prefix ? strlen(prefix) : 0); | |
925 | if (*has_errors) | |
926 | active_cache_changed = 0; | |
927 | ||
928 | ctx->argv += ctx->argc - 1; | |
929 | ctx->argc = 1; | |
930 | return 0; | |
931 | } | |
932 | ||
f41179f1 | 933 | static enum parse_opt_result reupdate_callback( |
3ebbe289 NTND |
934 | struct parse_opt_ctx_t *ctx, const struct option *opt, |
935 | const char *arg, int unset) | |
309be813 JN |
936 | { |
937 | int *has_errors = opt->value; | |
938 | const char *prefix = startup_info->prefix; | |
939 | ||
517fe807 | 940 | BUG_ON_OPT_NEG(unset); |
3ebbe289 | 941 | BUG_ON_OPT_ARG(arg); |
517fe807 | 942 | |
309be813 JN |
943 | /* consume remaining arguments. */ |
944 | setup_work_tree(); | |
5bb1cb6d | 945 | *has_errors = do_reupdate(ctx->argc, ctx->argv, prefix); |
309be813 JN |
946 | if (*has_errors) |
947 | active_cache_changed = 0; | |
948 | ||
949 | ctx->argv += ctx->argc - 1; | |
950 | ctx->argc = 1; | |
951 | return 0; | |
952 | } | |
953 | ||
a633fca0 | 954 | int cmd_update_index(int argc, const char **argv, const char *prefix) |
e83c5163 | 955 | { |
7e07ed84 | 956 | int newfd, entries, has_errors = 0, nul_term_line = 0; |
113e6413 | 957 | enum uc_mode untracked_cache = UC_UNSPECIFIED; |
ee1bec3d | 958 | int read_from_stdin = 0; |
ee1bec3d | 959 | int prefix_length = prefix ? strlen(prefix) : 0; |
69dec66b | 960 | int preferred_index_format = 0; |
227bdb18 | 961 | char set_executable_bit = 0; |
309be813 | 962 | struct refresh_params refresh_args = {0, &has_errors}; |
7b802b86 | 963 | int lock_error = 0; |
c18b80a0 | 964 | int split_index = -1; |
7c545be9 | 965 | int force_write = 0; |
9d406cba | 966 | int fsmonitor = -1; |
bfffb48c | 967 | struct lock_file lock_file = LOCK_INIT; |
309be813 | 968 | struct parse_opt_ctx_t ctx; |
7e07ed84 | 969 | strbuf_getline_fn getline_fn; |
309be813 | 970 | int parseopt_state = PARSE_OPT_UNKNOWN; |
ad0fb659 | 971 | struct repository *r = the_repository; |
309be813 JN |
972 | struct option options[] = { |
973 | OPT_BIT('q', NULL, &refresh_args.flags, | |
4a4838b4 | 974 | N_("continue refresh even when index needs update"), |
309be813 JN |
975 | REFRESH_QUIET), |
976 | OPT_BIT(0, "ignore-submodules", &refresh_args.flags, | |
4a4838b4 | 977 | N_("refresh: ignore submodules"), |
309be813 JN |
978 | REFRESH_IGNORE_SUBMODULES), |
979 | OPT_SET_INT(0, "add", &allow_add, | |
4a4838b4 | 980 | N_("do not ignore new files"), 1), |
309be813 | 981 | OPT_SET_INT(0, "replace", &allow_replace, |
4a4838b4 | 982 | N_("let files replace directories and vice-versa"), 1), |
309be813 | 983 | OPT_SET_INT(0, "remove", &allow_remove, |
4a4838b4 | 984 | N_("notice files missing from worktree"), 1), |
309be813 | 985 | OPT_BIT(0, "unmerged", &refresh_args.flags, |
4a4838b4 | 986 | N_("refresh even if index contains unmerged entries"), |
309be813 JN |
987 | REFRESH_UNMERGED), |
988 | {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL, | |
4a4838b4 | 989 | N_("refresh stat information"), |
309be813 JN |
990 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
991 | refresh_callback}, | |
992 | {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL, | |
4a4838b4 | 993 | N_("like --refresh, but ignore assume-unchanged setting"), |
309be813 JN |
994 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
995 | really_refresh_callback}, | |
996 | {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL, | |
ec160ae1 | 997 | N_("<mode>,<object>,<path>"), |
4a4838b4 | 998 | N_("add the specified entry to the index"), |
ec160ae1 | 999 | PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */ |
309be813 | 1000 | PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, |
bf3ff338 NTND |
1001 | NULL, 0, |
1002 | cacheinfo_callback}, | |
8b5ebbed | 1003 | {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+|-)x", |
4a4838b4 | 1004 | N_("override the executable bit of the listed files"), |
5f0df44c | 1005 | PARSE_OPT_NONEG, |
309be813 JN |
1006 | chmod_callback}, |
1007 | {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 1008 | N_("mark files as \"not changing\""), |
309be813 JN |
1009 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
1010 | {OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 1011 | N_("clear assumed-unchanged bit"), |
309be813 JN |
1012 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
1013 | {OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 1014 | N_("mark files as \"index-only\""), |
309be813 JN |
1015 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
1016 | {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 1017 | N_("clear skip-worktree bit"), |
309be813 | 1018 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
8dfb04ae JS |
1019 | OPT_BOOL(0, "ignore-skip-worktree-entries", &ignore_skip_worktree_entries, |
1020 | N_("do not touch index-only entries")), | |
309be813 | 1021 | OPT_SET_INT(0, "info-only", &info_only, |
4a4838b4 | 1022 | N_("add to index only; do not add content to object database"), 1), |
309be813 | 1023 | OPT_SET_INT(0, "force-remove", &force_remove, |
4a4838b4 | 1024 | N_("remove named paths even if present in worktree"), 1), |
7e07ed84 JH |
1025 | OPT_BOOL('z', NULL, &nul_term_line, |
1026 | N_("with --stdin: input lines are terminated by null bytes")), | |
309be813 | 1027 | {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, |
4a4838b4 | 1028 | N_("read list of paths to be updated from standard input"), |
309be813 | 1029 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
bf3ff338 | 1030 | NULL, 0, stdin_callback}, |
7e07ed84 | 1031 | {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL, |
4a4838b4 | 1032 | N_("add entries from standard input to the index"), |
309be813 | 1033 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
bf3ff338 | 1034 | NULL, 0, stdin_cacheinfo_callback}, |
309be813 | 1035 | {OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL, |
4a4838b4 | 1036 | N_("repopulate stages #2 and #3 for the listed paths"), |
309be813 | 1037 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
bf3ff338 | 1038 | NULL, 0, unresolve_callback}, |
309be813 | 1039 | {OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL, |
4a4838b4 | 1040 | N_("only update entries that differ from HEAD"), |
309be813 | 1041 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
bf3ff338 | 1042 | NULL, 0, reupdate_callback}, |
309be813 | 1043 | OPT_BIT(0, "ignore-missing", &refresh_args.flags, |
4a4838b4 | 1044 | N_("ignore files missing from worktree"), |
309be813 JN |
1045 | REFRESH_IGNORE_MISSING), |
1046 | OPT_SET_INT(0, "verbose", &verbose, | |
4a4838b4 | 1047 | N_("report actions to standard output"), 1), |
309be813 | 1048 | {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL, |
4a4838b4 | 1049 | N_("(for porcelains) forget saved unresolved conflicts"), |
309be813 JN |
1050 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
1051 | resolve_undo_clear_callback}, | |
69dec66b | 1052 | OPT_INTEGER(0, "index-version", &preferred_index_format, |
4a4838b4 | 1053 | N_("write index in this format")), |
c18b80a0 NTND |
1054 | OPT_BOOL(0, "split-index", &split_index, |
1055 | N_("enable or disable split index")), | |
9e597241 NTND |
1056 | OPT_BOOL(0, "untracked-cache", &untracked_cache, |
1057 | N_("enable/disable untracked cache")), | |
eaab83d0 CC |
1058 | OPT_SET_INT(0, "test-untracked-cache", &untracked_cache, |
1059 | N_("test if the filesystem supports untracked cache"), UC_TEST), | |
f64cb88d | 1060 | OPT_SET_INT(0, "force-untracked-cache", &untracked_cache, |
113e6413 | 1061 | N_("enable untracked cache without testing the filesystem"), UC_FORCE), |
7c545be9 BP |
1062 | OPT_SET_INT(0, "force-write-index", &force_write, |
1063 | N_("write out the index even if is not flagged as changed"), 1), | |
9d406cba BP |
1064 | OPT_BOOL(0, "fsmonitor", &fsmonitor, |
1065 | N_("enable or disable file system monitor")), | |
1066 | {OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL, | |
1067 | N_("mark files as fsmonitor valid"), | |
1068 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, | |
1069 | {OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL, | |
1070 | N_("clear fsmonitor valid bit"), | |
1071 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, | |
309be813 JN |
1072 | OPT_END() |
1073 | }; | |
bb233d69 | 1074 | |
9c7c27ee | 1075 | if (argc == 2 && !strcmp(argv[1], "-h")) |
b04d930b | 1076 | usage_with_options(update_index_usage, options); |
9c7c27ee | 1077 | |
ef90d6d4 | 1078 | git_config(git_default_config, NULL); |
3e09cdfd | 1079 | |
b3e83cc7 | 1080 | /* we will diagnose later if it turns out that we need to update it */ |
bfffb48c | 1081 | newfd = hold_locked_index(&lock_file, 0); |
7b802b86 JH |
1082 | if (newfd < 0) |
1083 | lock_error = errno; | |
9614b8dc | 1084 | |
e83c5163 | 1085 | entries = read_cache(); |
9614b8dc | 1086 | if (entries < 0) |
2de381f9 | 1087 | die("cache corrupted"); |
e83c5163 | 1088 | |
1956ecd0 BP |
1089 | the_index.updated_skipworktree = 1; |
1090 | ||
309be813 JN |
1091 | /* |
1092 | * Custom copy of parse_options() because we want to handle | |
1093 | * filename arguments as they come. | |
1094 | */ | |
1095 | parse_options_start(&ctx, argc, argv, prefix, | |
1096 | options, PARSE_OPT_STOP_AT_NON_OPTION); | |
1097 | while (ctx.argc) { | |
1098 | if (parseopt_state != PARSE_OPT_DONE) | |
1099 | parseopt_state = parse_options_step(&ctx, options, | |
1100 | update_index_usage); | |
1101 | if (!ctx.argc) | |
1102 | break; | |
1103 | switch (parseopt_state) { | |
1104 | case PARSE_OPT_HELP: | |
3bb0923f | 1105 | case PARSE_OPT_ERROR: |
309be813 | 1106 | exit(129); |
a92ec7ef NTND |
1107 | case PARSE_OPT_COMPLETE: |
1108 | exit(0); | |
309be813 JN |
1109 | case PARSE_OPT_NON_OPTION: |
1110 | case PARSE_OPT_DONE: | |
1111 | { | |
1112 | const char *path = ctx.argv[0]; | |
d7a643b7 | 1113 | char *p; |
121481ab | 1114 | |
309be813 JN |
1115 | setup_work_tree(); |
1116 | p = prefix_path(prefix, prefix_length, path); | |
6bb69077 | 1117 | update_one(p); |
309be813 JN |
1118 | if (set_executable_bit) |
1119 | chmod_path(set_executable_bit, p); | |
d7a643b7 | 1120 | free(p); |
309be813 JN |
1121 | ctx.argc--; |
1122 | ctx.argv++; | |
1123 | break; | |
1124 | } | |
1125 | case PARSE_OPT_UNKNOWN: | |
1126 | if (ctx.argv[0][1] == '-') | |
1127 | error("unknown option '%s'", ctx.argv[0] + 2); | |
1128 | else | |
1129 | error("unknown switch '%c'", *ctx.opt); | |
1130 | usage_with_options(update_index_usage, options); | |
121481ab | 1131 | } |
ee1bec3d | 1132 | } |
309be813 | 1133 | argc = parse_options_end(&ctx); |
7e07ed84 JH |
1134 | |
1135 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; | |
69dec66b JH |
1136 | if (preferred_index_format) { |
1137 | if (preferred_index_format < INDEX_FORMAT_LB || | |
1138 | INDEX_FORMAT_UB < preferred_index_format) | |
1139 | die("index-version %d not in range: %d..%d", | |
1140 | preferred_index_format, | |
1141 | INDEX_FORMAT_LB, INDEX_FORMAT_UB); | |
1142 | ||
1143 | if (the_index.version != preferred_index_format) | |
782a5ff9 | 1144 | active_cache_changed |= SOMETHING_CHANGED; |
69dec66b JH |
1145 | the_index.version = preferred_index_format; |
1146 | } | |
309be813 | 1147 | |
ee1bec3d | 1148 | if (read_from_stdin) { |
0d4cc1b4 JK |
1149 | struct strbuf buf = STRBUF_INIT; |
1150 | struct strbuf unquoted = STRBUF_INIT; | |
7fb1011e | 1151 | |
f83eafdd | 1152 | setup_work_tree(); |
7e07ed84 | 1153 | while (getline_fn(&buf, stdin) != EOF) { |
d7a643b7 | 1154 | char *p; |
7e07ed84 | 1155 | if (!nul_term_line && buf.buf[0] == '"') { |
0d4cc1b4 JK |
1156 | strbuf_reset(&unquoted); |
1157 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
7fb1011e | 1158 | die("line is badly quoted"); |
0d4cc1b4 | 1159 | strbuf_swap(&buf, &unquoted); |
7fb1011e PH |
1160 | } |
1161 | p = prefix_path(prefix, prefix_length, buf.buf); | |
6bb69077 | 1162 | update_one(p); |
fb69a760 | 1163 | if (set_executable_bit) |
227bdb18 | 1164 | chmod_path(set_executable_bit, p); |
d7a643b7 | 1165 | free(p); |
9b63f501 | 1166 | } |
0d4cc1b4 | 1167 | strbuf_release(&unquoted); |
e6c019d0 | 1168 | strbuf_release(&buf); |
e83c5163 | 1169 | } |
2bd452d3 | 1170 | |
c18b80a0 | 1171 | if (split_index > 0) { |
6cc10533 CC |
1172 | if (git_config_get_split_index() == 0) |
1173 | warning(_("core.splitIndex is set to false; " | |
1174 | "remove or change it, if you really want to " | |
1175 | "enable split index")); | |
cef4fc7e CC |
1176 | if (the_index.split_index) |
1177 | the_index.cache_changed |= SPLIT_INDEX_ORDERED; | |
1178 | else | |
1179 | add_split_index(&the_index); | |
6cc10533 CC |
1180 | } else if (!split_index) { |
1181 | if (git_config_get_split_index() == 1) | |
1182 | warning(_("core.splitIndex is set to true; " | |
1183 | "remove or change it, if you really want to " | |
1184 | "disable split index")); | |
cef4fc7e | 1185 | remove_split_index(&the_index); |
6cc10533 | 1186 | } |
9e597241 | 1187 | |
ad0fb659 | 1188 | prepare_repo_settings(r); |
435ec090 CC |
1189 | switch (untracked_cache) { |
1190 | case UC_UNSPECIFIED: | |
1191 | break; | |
1192 | case UC_DISABLE: | |
ad0fb659 | 1193 | if (r->settings.core_untracked_cache == UNTRACKED_CACHE_WRITE) |
43073f89 VA |
1194 | warning(_("core.untrackedCache is set to true; " |
1195 | "remove or change it, if you really want to " | |
1196 | "disable the untracked cache")); | |
07b29bfd | 1197 | remove_untracked_cache(&the_index); |
6d19db14 | 1198 | report(_("Untracked cache disabled")); |
435ec090 CC |
1199 | break; |
1200 | case UC_TEST: | |
1201 | setup_work_tree(); | |
1202 | return !test_if_untracked_cache_is_supported(); | |
1203 | case UC_ENABLE: | |
1204 | case UC_FORCE: | |
ad0fb659 | 1205 | if (r->settings.core_untracked_cache == UNTRACKED_CACHE_REMOVE) |
43073f89 VA |
1206 | warning(_("core.untrackedCache is set to false; " |
1207 | "remove or change it, if you really want to " | |
1208 | "enable the untracked cache")); | |
435ec090 CC |
1209 | add_untracked_cache(&the_index); |
1210 | report(_("Untracked cache enabled for '%s'"), get_git_work_tree()); | |
1211 | break; | |
1212 | default: | |
033abf97 | 1213 | BUG("bad untracked_cache value: %d", untracked_cache); |
9e597241 | 1214 | } |
c18b80a0 | 1215 | |
9d406cba BP |
1216 | if (fsmonitor > 0) { |
1217 | if (git_config_get_fsmonitor() == 0) | |
1218 | warning(_("core.fsmonitor is unset; " | |
1219 | "set it if you really want to " | |
1220 | "enable fsmonitor")); | |
1221 | add_fsmonitor(&the_index); | |
1222 | report(_("fsmonitor enabled")); | |
1223 | } else if (!fsmonitor) { | |
1224 | if (git_config_get_fsmonitor() == 1) | |
1225 | warning(_("core.fsmonitor is set; " | |
1226 | "remove it if you really want to " | |
1227 | "disable fsmonitor")); | |
1228 | remove_fsmonitor(&the_index); | |
1229 | report(_("fsmonitor disabled")); | |
1230 | } | |
1231 | ||
7c545be9 | 1232 | if (active_cache_changed || force_write) { |
7b802b86 | 1233 | if (newfd < 0) { |
309be813 | 1234 | if (refresh_args.flags & REFRESH_QUIET) |
7b802b86 | 1235 | exit(128); |
e197c218 | 1236 | unable_to_lock_die(get_index_file(), lock_error); |
7b802b86 | 1237 | } |
bfffb48c | 1238 | if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
021b6e45 | 1239 | die("Unable to write new index file"); |
5cd5ace7 | 1240 | } |
9614b8dc | 1241 | |
bfffb48c | 1242 | rollback_lock_file(&lock_file); |
fefe81c9 | 1243 | |
c4b83e61 | 1244 | return has_errors ? 1 : 0; |
e83c5163 | 1245 | } |