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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 | { |
22631473 LT |
271 | int option, size; |
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 | ||
278 | size = cache_entry_size(len); | |
279 | ce = xcalloc(1, size); | |
e011054b | 280 | memcpy(ce->name, path, len); |
b60e188c TG |
281 | ce->ce_flags = create_ce_flags(0); |
282 | ce->ce_namelen = len; | |
e011054b LT |
283 | fill_stat_cache_info(ce, st); |
284 | ce->ce_mode = ce_mode_from_stat(old, st->st_mode); | |
ec1fcc16 | 285 | |
98e019b0 | 286 | if (index_path(&ce->oid, path, st, |
dc4cd767 JM |
287 | info_only ? 0 : HASH_WRITE_OBJECT)) { |
288 | free(ce); | |
ec1fcc16 | 289 | return -1; |
dc4cd767 | 290 | } |
192268c1 JH |
291 | option = allow_add ? ADD_CACHE_OK_TO_ADD : 0; |
292 | option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0; | |
baddc96b JK |
293 | if (add_cache_entry(ce, option)) { |
294 | free(ce); | |
e011054b | 295 | return error("%s: cannot add to the index - missing --add option?", path); |
baddc96b | 296 | } |
34143b26 | 297 | return 0; |
121481ab LT |
298 | } |
299 | ||
e011054b LT |
300 | /* |
301 | * Handle a path that was a directory. Four cases: | |
302 | * | |
303 | * - it's already a gitlink in the index, and we keep it that | |
304 | * way, and update it if we can (if we cannot find the HEAD, | |
305 | * we're going to keep it unchanged in the index!) | |
306 | * | |
307 | * - it's a *file* in the index, in which case it should be | |
308 | * removed as a file if removal is allowed, since it doesn't | |
309 | * exist as such any more. If removal isn't allowed, it's | |
310 | * an error. | |
311 | * | |
312 | * (NOTE! This is old and arguably fairly strange behaviour. | |
313 | * We might want to make this an error unconditionally, and | |
314 | * use "--force-remove" if you actually want to force removal). | |
315 | * | |
316 | * - it used to exist as a subdirectory (ie multiple files with | |
317 | * this particular prefix) in the index, in which case it's wrong | |
318 | * to try to update it as a directory. | |
319 | * | |
320 | * - it doesn't exist at all in the index, but it is a valid | |
321 | * git directory, and it should be *added* as a gitlink. | |
322 | */ | |
323 | static int process_directory(const char *path, int len, struct stat *st) | |
324 | { | |
71445a0f | 325 | struct object_id oid; |
e011054b LT |
326 | int pos = cache_name_pos(path, len); |
327 | ||
328 | /* Exact match: file or existing gitlink */ | |
329 | if (pos >= 0) { | |
9c5e6c80 | 330 | const struct cache_entry *ce = active_cache[pos]; |
7a51ed66 | 331 | if (S_ISGITLINK(ce->ce_mode)) { |
e011054b LT |
332 | |
333 | /* Do nothing to the index if there is no HEAD! */ | |
a98e6101 | 334 | if (resolve_gitlink_ref(path, "HEAD", &oid) < 0) |
e011054b LT |
335 | return 0; |
336 | ||
337 | return add_one_path(ce, path, len, st); | |
338 | } | |
339 | /* Should this be an unconditional error? */ | |
340 | return remove_one_path(path); | |
341 | } | |
342 | ||
343 | /* Inexact match: is there perhaps a subdirectory match? */ | |
344 | pos = -pos-1; | |
345 | while (pos < active_nr) { | |
9c5e6c80 | 346 | const struct cache_entry *ce = active_cache[pos++]; |
e011054b LT |
347 | |
348 | if (strncmp(ce->name, path, len)) | |
349 | break; | |
350 | if (ce->name[len] > '/') | |
351 | break; | |
352 | if (ce->name[len] < '/') | |
353 | continue; | |
354 | ||
355 | /* Subdirectory match - error out */ | |
356 | return error("%s: is a directory - add individual files instead", path); | |
357 | } | |
358 | ||
359 | /* No match - should we add it as a gitlink? */ | |
a98e6101 | 360 | if (!resolve_gitlink_ref(path, "HEAD", &oid)) |
e011054b LT |
361 | return add_one_path(NULL, path, len, st); |
362 | ||
363 | /* Error out. */ | |
364 | return error("%s: is a directory - add files inside instead", path); | |
365 | } | |
366 | ||
e011054b LT |
367 | static int process_path(const char *path) |
368 | { | |
b4d1690d | 369 | int pos, len; |
e011054b | 370 | struct stat st; |
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 | */ | |
385 | if (allow_remove && remove_file_from_cache(path)) | |
386 | return error("%s: cannot remove from the index", path); | |
387 | return 0; | |
388 | } | |
389 | ||
e011054b LT |
390 | /* |
391 | * First things first: get the stat information, to decide | |
392 | * what to do about the pathname! | |
393 | */ | |
394 | if (lstat(path, &st) < 0) | |
395 | return process_lstat_error(path, errno); | |
396 | ||
e011054b LT |
397 | if (S_ISDIR(st.st_mode)) |
398 | return process_directory(path, len, &st); | |
399 | ||
b4d1690d | 400 | return add_one_path(ce, path, len, &st); |
e011054b LT |
401 | } |
402 | ||
71445a0f | 403 | static int add_cacheinfo(unsigned int mode, const struct object_id *oid, |
d23748a6 | 404 | const char *path, int stage) |
9945d980 | 405 | { |
192268c1 | 406 | int size, len, option; |
9945d980 LT |
407 | struct cache_entry *ce; |
408 | ||
d23748a6 | 409 | if (!verify_path(path)) |
7e7abea9 | 410 | return error("Invalid path '%s'", path); |
9945d980 | 411 | |
d23748a6 | 412 | len = strlen(path); |
9945d980 | 413 | size = cache_entry_size(len); |
90321c10 | 414 | ce = xcalloc(1, size); |
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 | { |
6bb69077 | 452 | if (!verify_path(path)) { |
ee1bec3d | 453 | fprintf(stderr, "Ignoring path %s\n", path); |
6bb69077 | 454 | return; |
ee1bec3d | 455 | } |
5f73076c | 456 | if (mark_valid_only) { |
6bb69077 | 457 | if (mark_ce_flags(path, CE_VALID, mark_valid_only == MARK_FLAG)) |
5f73076c | 458 | die("Unable to mark file %s", path); |
6bb69077 | 459 | return; |
5f73076c | 460 | } |
44a36913 | 461 | if (mark_skip_worktree_only) { |
6bb69077 | 462 | if (mark_ce_flags(path, CE_SKIP_WORKTREE, mark_skip_worktree_only == MARK_FLAG)) |
5f73076c | 463 | die("Unable to mark file %s", path); |
6bb69077 | 464 | return; |
5f73076c | 465 | } |
9d406cba BP |
466 | if (mark_fsmonitor_only) { |
467 | if (mark_ce_flags(path, CE_FSMONITOR_VALID, mark_fsmonitor_only == MARK_FLAG)) | |
468 | die("Unable to mark file %s", path); | |
469 | return; | |
470 | } | |
5f73076c | 471 | |
ee1bec3d | 472 | if (force_remove) { |
6bb69077 | 473 | if (remove_file_from_cache(path)) |
7e44c935 | 474 | die("git update-index: unable to remove %s", path); |
caf4f582 | 475 | report("remove '%s'", path); |
6bb69077 | 476 | return; |
ee1bec3d | 477 | } |
6bb69077 | 478 | if (process_path(path)) |
e011054b | 479 | die("Unable to process path %s", path); |
caf4f582 | 480 | report("add '%s'", path); |
ee1bec3d JH |
481 | } |
482 | ||
7e07ed84 | 483 | static void read_index_info(int nul_term_line) |
d4dbf36d | 484 | { |
f285a2d7 BC |
485 | struct strbuf buf = STRBUF_INIT; |
486 | struct strbuf uq = STRBUF_INIT; | |
7e07ed84 | 487 | strbuf_getline_fn getline_fn; |
7fb1011e | 488 | |
7e07ed84 JH |
489 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; |
490 | while (getline_fn(&buf, stdin) != EOF) { | |
9c20a470 | 491 | char *ptr, *tab; |
973d6a20 | 492 | char *path_name; |
71445a0f | 493 | struct object_id oid; |
d4dbf36d | 494 | unsigned int mode; |
6aead43d | 495 | unsigned long ul; |
d23748a6 JH |
496 | int stage; |
497 | ||
498 | /* This reads lines formatted in one of three formats: | |
499 | * | |
500 | * (1) mode SP sha1 TAB path | |
f18d244a | 501 | * The first format is what "git apply --index-info" |
d23748a6 JH |
502 | * reports, and used to reconstruct a partial tree |
503 | * that is used for phony merge base tree when falling | |
504 | * back on 3-way merge. | |
505 | * | |
506 | * (2) mode SP type SP sha1 TAB path | |
f18d244a | 507 | * The second format is to stuff "git ls-tree" output |
d23748a6 | 508 | * into the index file. |
fefe81c9 | 509 | * |
d23748a6 JH |
510 | * (3) mode SP sha1 SP stage TAB path |
511 | * This format is to put higher order stages into the | |
f18d244a | 512 | * index file and matches "git ls-files --stage" output. |
d23748a6 | 513 | */ |
6aead43d JM |
514 | errno = 0; |
515 | ul = strtoul(buf.buf, &ptr, 8); | |
516 | if (ptr == buf.buf || *ptr != ' ' | |
517 | || errno || (unsigned int) ul != ul) | |
d4dbf36d | 518 | goto bad_line; |
6aead43d | 519 | mode = ul; |
d4dbf36d | 520 | |
9c20a470 | 521 | tab = strchr(ptr, '\t'); |
71445a0f | 522 | if (!tab || tab - ptr < GIT_SHA1_HEXSZ + 1) |
9c20a470 | 523 | goto bad_line; |
d23748a6 | 524 | |
2d497115 | 525 | if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') { |
d23748a6 JH |
526 | stage = tab[-1] - '0'; |
527 | ptr = tab + 1; /* point at the head of path */ | |
528 | tab = tab - 2; /* point at tail of sha1 */ | |
529 | } | |
530 | else { | |
531 | stage = 0; | |
532 | ptr = tab + 1; /* point at the head of path */ | |
533 | } | |
534 | ||
71445a0f | 535 | if (get_oid_hex(tab - GIT_SHA1_HEXSZ, &oid) || |
536 | tab[-(GIT_SHA1_HEXSZ + 1)] != ' ') | |
9c20a470 | 537 | goto bad_line; |
973d6a20 | 538 | |
7fb1011e | 539 | path_name = ptr; |
7e07ed84 | 540 | if (!nul_term_line && path_name[0] == '"') { |
7fb1011e PH |
541 | strbuf_reset(&uq); |
542 | if (unquote_c_style(&uq, path_name, NULL)) { | |
7e44c935 | 543 | die("git update-index: bad quoting of path name"); |
7fb1011e PH |
544 | } |
545 | path_name = uq.buf; | |
546 | } | |
973d6a20 JH |
547 | |
548 | if (!verify_path(path_name)) { | |
549 | fprintf(stderr, "Ignoring path %s\n", path_name); | |
d4dbf36d JH |
550 | continue; |
551 | } | |
552 | ||
553 | if (!mode) { | |
554 | /* mode == 0 means there is no such path -- remove */ | |
973d6a20 | 555 | if (remove_file_from_cache(path_name)) |
7e44c935 | 556 | die("git update-index: unable to remove %s", |
d4dbf36d JH |
557 | ptr); |
558 | } | |
559 | else { | |
560 | /* mode ' ' sha1 '\t' name | |
561 | * ptr[-1] points at tab, | |
562 | * ptr[-41] is at the beginning of sha1 | |
563 | */ | |
71445a0f | 564 | ptr[-(GIT_SHA1_HEXSZ + 2)] = ptr[-1] = 0; |
565 | if (add_cacheinfo(mode, &oid, path_name, stage)) | |
7e44c935 | 566 | die("git update-index: unable to update %s", |
973d6a20 | 567 | path_name); |
d4dbf36d JH |
568 | } |
569 | continue; | |
570 | ||
571 | bad_line: | |
572 | die("malformed index info %s", buf.buf); | |
573 | } | |
e6c019d0 | 574 | strbuf_release(&buf); |
7fb1011e | 575 | strbuf_release(&uq); |
d4dbf36d JH |
576 | } |
577 | ||
309be813 | 578 | static const char * const update_index_usage[] = { |
9c9b4f2f | 579 | N_("git update-index [<options>] [--] [<file>...]"), |
309be813 JN |
580 | NULL |
581 | }; | |
f6ab5bb2 | 582 | |
71445a0f | 583 | static struct object_id head_oid; |
584 | static struct object_id merge_head_oid; | |
2bd452d3 JH |
585 | |
586 | static struct cache_entry *read_one_ent(const char *which, | |
71445a0f | 587 | struct object_id *ent, const char *path, |
2bd452d3 JH |
588 | int namelen, int stage) |
589 | { | |
590 | unsigned mode; | |
71445a0f | 591 | struct object_id oid; |
2bd452d3 JH |
592 | int size; |
593 | struct cache_entry *ce; | |
594 | ||
916bc35b | 595 | if (get_tree_entry(ent, path, &oid, &mode)) { |
83e77a25 JH |
596 | if (which) |
597 | error("%s: not in %s branch.", path, which); | |
2bd452d3 JH |
598 | return NULL; |
599 | } | |
600 | if (mode == S_IFDIR) { | |
83e77a25 JH |
601 | if (which) |
602 | error("%s: not a blob in %s branch.", path, which); | |
2bd452d3 JH |
603 | return NULL; |
604 | } | |
605 | size = cache_entry_size(namelen); | |
606 | ce = xcalloc(1, size); | |
607 | ||
71445a0f | 608 | oidcpy(&ce->oid, &oid); |
2bd452d3 | 609 | memcpy(ce->name, path, namelen); |
b60e188c TG |
610 | ce->ce_flags = create_ce_flags(stage); |
611 | ce->ce_namelen = namelen; | |
2bd452d3 JH |
612 | ce->ce_mode = create_ce_mode(mode); |
613 | return ce; | |
614 | } | |
615 | ||
616 | static int unresolve_one(const char *path) | |
617 | { | |
618 | int namelen = strlen(path); | |
619 | int pos; | |
620 | int ret = 0; | |
621 | struct cache_entry *ce_2 = NULL, *ce_3 = NULL; | |
622 | ||
623 | /* See if there is such entry in the index. */ | |
624 | pos = cache_name_pos(path, namelen); | |
8aa38563 JH |
625 | if (0 <= pos) { |
626 | /* already merged */ | |
627 | pos = unmerge_cache_entry_at(pos); | |
628 | if (pos < active_nr) { | |
9c5e6c80 | 629 | const struct cache_entry *ce = active_cache[pos]; |
8aa38563 JH |
630 | if (ce_stage(ce) && |
631 | ce_namelen(ce) == namelen && | |
632 | !memcmp(ce->name, path, namelen)) | |
633 | return 0; | |
634 | } | |
635 | /* no resolve-undo information; fall back */ | |
636 | } else { | |
2bd452d3 JH |
637 | /* If there isn't, either it is unmerged, or |
638 | * resolved as "removed" by mistake. We do not | |
639 | * want to do anything in the former case. | |
640 | */ | |
641 | pos = -pos-1; | |
642 | if (pos < active_nr) { | |
9c5e6c80 | 643 | const struct cache_entry *ce = active_cache[pos]; |
2bd452d3 JH |
644 | if (ce_namelen(ce) == namelen && |
645 | !memcmp(ce->name, path, namelen)) { | |
646 | fprintf(stderr, | |
647 | "%s: skipping still unmerged path.\n", | |
648 | path); | |
649 | goto free_return; | |
650 | } | |
651 | } | |
652 | } | |
653 | ||
654 | /* Grab blobs from given path from HEAD and MERGE_HEAD, | |
655 | * stuff HEAD version in stage #2, | |
656 | * stuff MERGE_HEAD version in stage #3. | |
657 | */ | |
71445a0f | 658 | ce_2 = read_one_ent("our", &head_oid, path, namelen, 2); |
659 | ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3); | |
2bd452d3 JH |
660 | |
661 | if (!ce_2 || !ce_3) { | |
662 | ret = -1; | |
663 | goto free_return; | |
664 | } | |
99d1a986 | 665 | if (!oidcmp(&ce_2->oid, &ce_3->oid) && |
2bd452d3 JH |
666 | ce_2->ce_mode == ce_3->ce_mode) { |
667 | fprintf(stderr, "%s: identical in both, skipping.\n", | |
668 | path); | |
669 | goto free_return; | |
670 | } | |
671 | ||
672 | remove_file_from_cache(path); | |
673 | if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) { | |
674 | error("%s: cannot add our version to the index.", path); | |
675 | ret = -1; | |
676 | goto free_return; | |
677 | } | |
678 | if (!add_cache_entry(ce_3, ADD_CACHE_OK_TO_ADD)) | |
679 | return 0; | |
680 | error("%s: cannot add their version to the index.", path); | |
681 | ret = -1; | |
682 | free_return: | |
683 | free(ce_2); | |
684 | free(ce_3); | |
685 | return ret; | |
686 | } | |
687 | ||
688 | static void read_head_pointers(void) | |
689 | { | |
34c290a6 | 690 | if (read_ref("HEAD", &head_oid)) |
d7530708 | 691 | die("No HEAD -- no initial commit yet?"); |
34c290a6 | 692 | if (read_ref("MERGE_HEAD", &merge_head_oid)) { |
2bd452d3 JH |
693 | fprintf(stderr, "Not in the middle of a merge.\n"); |
694 | exit(0); | |
695 | } | |
696 | } | |
697 | ||
09895c1f JH |
698 | static int do_unresolve(int ac, const char **av, |
699 | const char *prefix, int prefix_length) | |
2bd452d3 JH |
700 | { |
701 | int i; | |
702 | int err = 0; | |
703 | ||
704 | /* Read HEAD and MERGE_HEAD; if MERGE_HEAD does not exist, we | |
705 | * are not doing a merge, so exit with success status. | |
706 | */ | |
707 | read_head_pointers(); | |
708 | ||
709 | for (i = 1; i < ac; i++) { | |
710 | const char *arg = av[i]; | |
d7a643b7 | 711 | char *p = prefix_path(prefix, prefix_length, arg); |
09895c1f | 712 | err |= unresolve_one(p); |
d7a643b7 | 713 | free(p); |
2bd452d3 JH |
714 | } |
715 | return err; | |
716 | } | |
717 | ||
83e77a25 JH |
718 | static int do_reupdate(int ac, const char **av, |
719 | const char *prefix, int prefix_length) | |
720 | { | |
721 | /* Read HEAD and run update-index on paths that are | |
722 | * merged and already different between index and HEAD. | |
723 | */ | |
724 | int pos; | |
725 | int has_head = 1; | |
eb9cb55b NTND |
726 | struct pathspec pathspec; |
727 | ||
0fdc2ae5 NTND |
728 | parse_pathspec(&pathspec, 0, |
729 | PATHSPEC_PREFER_CWD, | |
730 | prefix, av + 1); | |
83e77a25 | 731 | |
34c290a6 | 732 | if (read_ref("HEAD", &head_oid)) |
83e77a25 JH |
733 | /* If there is no HEAD, that means it is an initial |
734 | * commit. Update everything in the index. | |
735 | */ | |
736 | has_head = 0; | |
737 | redo: | |
738 | for (pos = 0; pos < active_nr; pos++) { | |
9c5e6c80 | 739 | const struct cache_entry *ce = active_cache[pos]; |
83e77a25 JH |
740 | struct cache_entry *old = NULL; |
741 | int save_nr; | |
5699d17e | 742 | char *path; |
22293b9c | 743 | |
429bb40a | 744 | if (ce_stage(ce) || !ce_path_match(ce, &pathspec, NULL)) |
83e77a25 JH |
745 | continue; |
746 | if (has_head) | |
71445a0f | 747 | old = read_one_ent(NULL, &head_oid, |
83e77a25 JH |
748 | ce->name, ce_namelen(ce), 0); |
749 | if (old && ce->ce_mode == old->ce_mode && | |
99d1a986 | 750 | !oidcmp(&ce->oid, &old->oid)) { |
83e77a25 JH |
751 | free(old); |
752 | continue; /* unchanged */ | |
753 | } | |
754 | /* Be careful. The working tree may not have the | |
755 | * path anymore, in which case, under 'allow_remove', | |
756 | * or worse yet 'allow_replace', active_nr may decrease. | |
757 | */ | |
758 | save_nr = active_nr; | |
5699d17e KB |
759 | path = xstrdup(ce->name); |
760 | update_one(path); | |
761 | free(path); | |
1b7cb896 | 762 | free(old); |
83e77a25 JH |
763 | if (save_nr != active_nr) |
764 | goto redo; | |
765 | } | |
ed6e8038 | 766 | clear_pathspec(&pathspec); |
83e77a25 JH |
767 | return 0; |
768 | } | |
769 | ||
309be813 JN |
770 | struct refresh_params { |
771 | unsigned int flags; | |
772 | int *has_errors; | |
773 | }; | |
774 | ||
775 | static int refresh(struct refresh_params *o, unsigned int flag) | |
776 | { | |
777 | setup_work_tree(); | |
7349afd2 | 778 | read_cache_preload(NULL); |
309be813 JN |
779 | *o->has_errors |= refresh_cache(o->flags | flag); |
780 | return 0; | |
781 | } | |
782 | ||
783 | static int refresh_callback(const struct option *opt, | |
784 | const char *arg, int unset) | |
785 | { | |
786 | return refresh(opt->value, 0); | |
787 | } | |
788 | ||
789 | static int really_refresh_callback(const struct option *opt, | |
790 | const char *arg, int unset) | |
791 | { | |
792 | return refresh(opt->value, REFRESH_REALLY); | |
793 | } | |
794 | ||
795 | static int chmod_callback(const struct option *opt, | |
796 | const char *arg, int unset) | |
797 | { | |
798 | char *flip = opt->value; | |
799 | if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2]) | |
800 | return error("option 'chmod' expects \"+x\" or \"-x\""); | |
801 | *flip = arg[0]; | |
802 | return 0; | |
803 | } | |
804 | ||
805 | static int resolve_undo_clear_callback(const struct option *opt, | |
806 | const char *arg, int unset) | |
807 | { | |
808 | resolve_undo_clear(); | |
809 | return 0; | |
810 | } | |
811 | ||
ec160ae1 JH |
812 | static int parse_new_style_cacheinfo(const char *arg, |
813 | unsigned int *mode, | |
71445a0f | 814 | struct object_id *oid, |
ec160ae1 JH |
815 | const char **path) |
816 | { | |
817 | unsigned long ul; | |
818 | char *endp; | |
819 | ||
c8e1ee4f JK |
820 | if (!arg) |
821 | return -1; | |
822 | ||
ec160ae1 JH |
823 | errno = 0; |
824 | ul = strtoul(arg, &endp, 8); | |
825 | if (errno || endp == arg || *endp != ',' || (unsigned int) ul != ul) | |
826 | return -1; /* not a new-style cacheinfo */ | |
827 | *mode = ul; | |
828 | endp++; | |
71445a0f | 829 | if (get_oid_hex(endp, oid) || endp[GIT_SHA1_HEXSZ] != ',') |
ec160ae1 | 830 | return -1; |
71445a0f | 831 | *path = endp + GIT_SHA1_HEXSZ + 1; |
ec160ae1 JH |
832 | return 0; |
833 | } | |
834 | ||
309be813 JN |
835 | static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, |
836 | const struct option *opt, int unset) | |
837 | { | |
71445a0f | 838 | struct object_id oid; |
309be813 | 839 | unsigned int mode; |
ec160ae1 | 840 | const char *path; |
309be813 | 841 | |
71445a0f | 842 | if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) { |
843 | if (add_cacheinfo(mode, &oid, path, 0)) | |
ec160ae1 JH |
844 | die("git update-index: --cacheinfo cannot add %s", path); |
845 | ctx->argv++; | |
846 | ctx->argc--; | |
847 | return 0; | |
848 | } | |
309be813 | 849 | if (ctx->argc <= 3) |
ec160ae1 | 850 | return error("option 'cacheinfo' expects <mode>,<sha1>,<path>"); |
309be813 | 851 | if (strtoul_ui(*++ctx->argv, 8, &mode) || |
71445a0f | 852 | get_oid_hex(*++ctx->argv, &oid) || |
853 | add_cacheinfo(mode, &oid, *++ctx->argv, 0)) | |
309be813 JN |
854 | die("git update-index: --cacheinfo cannot add %s", *ctx->argv); |
855 | ctx->argc -= 3; | |
856 | return 0; | |
857 | } | |
858 | ||
859 | static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx, | |
860 | const struct option *opt, int unset) | |
861 | { | |
7e07ed84 | 862 | int *nul_term_line = opt->value; |
309be813 JN |
863 | |
864 | if (ctx->argc != 1) | |
865 | return error("option '%s' must be the last argument", opt->long_name); | |
866 | allow_add = allow_replace = allow_remove = 1; | |
7e07ed84 | 867 | read_index_info(*nul_term_line); |
309be813 JN |
868 | return 0; |
869 | } | |
870 | ||
871 | static int stdin_callback(struct parse_opt_ctx_t *ctx, | |
872 | const struct option *opt, int unset) | |
873 | { | |
874 | int *read_from_stdin = opt->value; | |
875 | ||
876 | if (ctx->argc != 1) | |
877 | return error("option '%s' must be the last argument", opt->long_name); | |
878 | *read_from_stdin = 1; | |
879 | return 0; | |
880 | } | |
881 | ||
882 | static int unresolve_callback(struct parse_opt_ctx_t *ctx, | |
883 | const struct option *opt, int flags) | |
884 | { | |
885 | int *has_errors = opt->value; | |
886 | const char *prefix = startup_info->prefix; | |
887 | ||
888 | /* consume remaining arguments. */ | |
889 | *has_errors = do_unresolve(ctx->argc, ctx->argv, | |
890 | prefix, prefix ? strlen(prefix) : 0); | |
891 | if (*has_errors) | |
892 | active_cache_changed = 0; | |
893 | ||
894 | ctx->argv += ctx->argc - 1; | |
895 | ctx->argc = 1; | |
896 | return 0; | |
897 | } | |
898 | ||
899 | static int reupdate_callback(struct parse_opt_ctx_t *ctx, | |
900 | const struct option *opt, int flags) | |
901 | { | |
902 | int *has_errors = opt->value; | |
903 | const char *prefix = startup_info->prefix; | |
904 | ||
905 | /* consume remaining arguments. */ | |
906 | setup_work_tree(); | |
907 | *has_errors = do_reupdate(ctx->argc, ctx->argv, | |
908 | prefix, prefix ? strlen(prefix) : 0); | |
909 | if (*has_errors) | |
910 | active_cache_changed = 0; | |
911 | ||
912 | ctx->argv += ctx->argc - 1; | |
913 | ctx->argc = 1; | |
914 | return 0; | |
915 | } | |
916 | ||
a633fca0 | 917 | int cmd_update_index(int argc, const char **argv, const char *prefix) |
e83c5163 | 918 | { |
7e07ed84 | 919 | int newfd, entries, has_errors = 0, nul_term_line = 0; |
113e6413 | 920 | enum uc_mode untracked_cache = UC_UNSPECIFIED; |
ee1bec3d | 921 | int read_from_stdin = 0; |
ee1bec3d | 922 | int prefix_length = prefix ? strlen(prefix) : 0; |
69dec66b | 923 | int preferred_index_format = 0; |
227bdb18 | 924 | char set_executable_bit = 0; |
309be813 | 925 | struct refresh_params refresh_args = {0, &has_errors}; |
7b802b86 | 926 | int lock_error = 0; |
c18b80a0 | 927 | int split_index = -1; |
7c545be9 | 928 | int force_write = 0; |
9d406cba | 929 | int fsmonitor = -1; |
bfffb48c | 930 | struct lock_file lock_file = LOCK_INIT; |
309be813 | 931 | struct parse_opt_ctx_t ctx; |
7e07ed84 | 932 | strbuf_getline_fn getline_fn; |
309be813 JN |
933 | int parseopt_state = PARSE_OPT_UNKNOWN; |
934 | struct option options[] = { | |
935 | OPT_BIT('q', NULL, &refresh_args.flags, | |
4a4838b4 | 936 | N_("continue refresh even when index needs update"), |
309be813 JN |
937 | REFRESH_QUIET), |
938 | OPT_BIT(0, "ignore-submodules", &refresh_args.flags, | |
4a4838b4 | 939 | N_("refresh: ignore submodules"), |
309be813 JN |
940 | REFRESH_IGNORE_SUBMODULES), |
941 | OPT_SET_INT(0, "add", &allow_add, | |
4a4838b4 | 942 | N_("do not ignore new files"), 1), |
309be813 | 943 | OPT_SET_INT(0, "replace", &allow_replace, |
4a4838b4 | 944 | N_("let files replace directories and vice-versa"), 1), |
309be813 | 945 | OPT_SET_INT(0, "remove", &allow_remove, |
4a4838b4 | 946 | N_("notice files missing from worktree"), 1), |
309be813 | 947 | OPT_BIT(0, "unmerged", &refresh_args.flags, |
4a4838b4 | 948 | N_("refresh even if index contains unmerged entries"), |
309be813 JN |
949 | REFRESH_UNMERGED), |
950 | {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL, | |
4a4838b4 | 951 | N_("refresh stat information"), |
309be813 JN |
952 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
953 | refresh_callback}, | |
954 | {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL, | |
4a4838b4 | 955 | N_("like --refresh, but ignore assume-unchanged setting"), |
309be813 JN |
956 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
957 | really_refresh_callback}, | |
958 | {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL, | |
ec160ae1 | 959 | N_("<mode>,<object>,<path>"), |
4a4838b4 | 960 | N_("add the specified entry to the index"), |
ec160ae1 | 961 | PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */ |
309be813 JN |
962 | PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, |
963 | (parse_opt_cb *) cacheinfo_callback}, | |
4a4838b4 NTND |
964 | {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, N_("(+/-)x"), |
965 | N_("override the executable bit of the listed files"), | |
309be813 JN |
966 | PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, |
967 | chmod_callback}, | |
968 | {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 969 | N_("mark files as \"not changing\""), |
309be813 JN |
970 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
971 | {OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL, | |
4a4838b4 | 972 | N_("clear assumed-unchanged bit"), |
309be813 JN |
973 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
974 | {OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 975 | N_("mark files as \"index-only\""), |
309be813 JN |
976 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, |
977 | {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL, | |
4a4838b4 | 978 | N_("clear skip-worktree bit"), |
309be813 JN |
979 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, |
980 | OPT_SET_INT(0, "info-only", &info_only, | |
4a4838b4 | 981 | N_("add to index only; do not add content to object database"), 1), |
309be813 | 982 | OPT_SET_INT(0, "force-remove", &force_remove, |
4a4838b4 | 983 | N_("remove named paths even if present in worktree"), 1), |
7e07ed84 JH |
984 | OPT_BOOL('z', NULL, &nul_term_line, |
985 | N_("with --stdin: input lines are terminated by null bytes")), | |
309be813 | 986 | {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, |
4a4838b4 | 987 | N_("read list of paths to be updated from standard input"), |
309be813 JN |
988 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
989 | (parse_opt_cb *) stdin_callback}, | |
7e07ed84 | 990 | {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL, |
4a4838b4 | 991 | N_("add entries from standard input to the index"), |
309be813 JN |
992 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
993 | (parse_opt_cb *) stdin_cacheinfo_callback}, | |
994 | {OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL, | |
4a4838b4 | 995 | N_("repopulate stages #2 and #3 for the listed paths"), |
309be813 JN |
996 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
997 | (parse_opt_cb *) unresolve_callback}, | |
998 | {OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL, | |
4a4838b4 | 999 | N_("only update entries that differ from HEAD"), |
309be813 JN |
1000 | PARSE_OPT_NONEG | PARSE_OPT_NOARG, |
1001 | (parse_opt_cb *) reupdate_callback}, | |
1002 | OPT_BIT(0, "ignore-missing", &refresh_args.flags, | |
4a4838b4 | 1003 | N_("ignore files missing from worktree"), |
309be813 JN |
1004 | REFRESH_IGNORE_MISSING), |
1005 | OPT_SET_INT(0, "verbose", &verbose, | |
4a4838b4 | 1006 | N_("report actions to standard output"), 1), |
309be813 | 1007 | {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL, |
4a4838b4 | 1008 | N_("(for porcelains) forget saved unresolved conflicts"), |
309be813 JN |
1009 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, |
1010 | resolve_undo_clear_callback}, | |
69dec66b | 1011 | OPT_INTEGER(0, "index-version", &preferred_index_format, |
4a4838b4 | 1012 | N_("write index in this format")), |
c18b80a0 NTND |
1013 | OPT_BOOL(0, "split-index", &split_index, |
1014 | N_("enable or disable split index")), | |
9e597241 NTND |
1015 | OPT_BOOL(0, "untracked-cache", &untracked_cache, |
1016 | N_("enable/disable untracked cache")), | |
eaab83d0 CC |
1017 | OPT_SET_INT(0, "test-untracked-cache", &untracked_cache, |
1018 | N_("test if the filesystem supports untracked cache"), UC_TEST), | |
f64cb88d | 1019 | OPT_SET_INT(0, "force-untracked-cache", &untracked_cache, |
113e6413 | 1020 | N_("enable untracked cache without testing the filesystem"), UC_FORCE), |
7c545be9 BP |
1021 | OPT_SET_INT(0, "force-write-index", &force_write, |
1022 | N_("write out the index even if is not flagged as changed"), 1), | |
9d406cba BP |
1023 | OPT_BOOL(0, "fsmonitor", &fsmonitor, |
1024 | N_("enable or disable file system monitor")), | |
1025 | {OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL, | |
1026 | N_("mark files as fsmonitor valid"), | |
1027 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, | |
1028 | {OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL, | |
1029 | N_("clear fsmonitor valid bit"), | |
1030 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, | |
309be813 JN |
1031 | OPT_END() |
1032 | }; | |
bb233d69 | 1033 | |
9c7c27ee | 1034 | if (argc == 2 && !strcmp(argv[1], "-h")) |
b04d930b | 1035 | usage_with_options(update_index_usage, options); |
9c7c27ee | 1036 | |
ef90d6d4 | 1037 | git_config(git_default_config, NULL); |
3e09cdfd | 1038 | |
b3e83cc7 | 1039 | /* we will diagnose later if it turns out that we need to update it */ |
bfffb48c | 1040 | newfd = hold_locked_index(&lock_file, 0); |
7b802b86 JH |
1041 | if (newfd < 0) |
1042 | lock_error = errno; | |
9614b8dc | 1043 | |
e83c5163 | 1044 | entries = read_cache(); |
9614b8dc | 1045 | if (entries < 0) |
2de381f9 | 1046 | die("cache corrupted"); |
e83c5163 | 1047 | |
309be813 JN |
1048 | /* |
1049 | * Custom copy of parse_options() because we want to handle | |
1050 | * filename arguments as they come. | |
1051 | */ | |
1052 | parse_options_start(&ctx, argc, argv, prefix, | |
1053 | options, PARSE_OPT_STOP_AT_NON_OPTION); | |
1054 | while (ctx.argc) { | |
1055 | if (parseopt_state != PARSE_OPT_DONE) | |
1056 | parseopt_state = parse_options_step(&ctx, options, | |
1057 | update_index_usage); | |
1058 | if (!ctx.argc) | |
1059 | break; | |
1060 | switch (parseopt_state) { | |
1061 | case PARSE_OPT_HELP: | |
3bb0923f | 1062 | case PARSE_OPT_ERROR: |
309be813 JN |
1063 | exit(129); |
1064 | case PARSE_OPT_NON_OPTION: | |
1065 | case PARSE_OPT_DONE: | |
1066 | { | |
1067 | const char *path = ctx.argv[0]; | |
d7a643b7 | 1068 | char *p; |
121481ab | 1069 | |
309be813 JN |
1070 | setup_work_tree(); |
1071 | p = prefix_path(prefix, prefix_length, path); | |
6bb69077 | 1072 | update_one(p); |
309be813 JN |
1073 | if (set_executable_bit) |
1074 | chmod_path(set_executable_bit, p); | |
d7a643b7 | 1075 | free(p); |
309be813 JN |
1076 | ctx.argc--; |
1077 | ctx.argv++; | |
1078 | break; | |
1079 | } | |
1080 | case PARSE_OPT_UNKNOWN: | |
1081 | if (ctx.argv[0][1] == '-') | |
1082 | error("unknown option '%s'", ctx.argv[0] + 2); | |
1083 | else | |
1084 | error("unknown switch '%c'", *ctx.opt); | |
1085 | usage_with_options(update_index_usage, options); | |
121481ab | 1086 | } |
ee1bec3d | 1087 | } |
309be813 | 1088 | argc = parse_options_end(&ctx); |
7e07ed84 JH |
1089 | |
1090 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; | |
69dec66b JH |
1091 | if (preferred_index_format) { |
1092 | if (preferred_index_format < INDEX_FORMAT_LB || | |
1093 | INDEX_FORMAT_UB < preferred_index_format) | |
1094 | die("index-version %d not in range: %d..%d", | |
1095 | preferred_index_format, | |
1096 | INDEX_FORMAT_LB, INDEX_FORMAT_UB); | |
1097 | ||
1098 | if (the_index.version != preferred_index_format) | |
782a5ff9 | 1099 | active_cache_changed |= SOMETHING_CHANGED; |
69dec66b JH |
1100 | the_index.version = preferred_index_format; |
1101 | } | |
309be813 | 1102 | |
ee1bec3d | 1103 | if (read_from_stdin) { |
0d4cc1b4 JK |
1104 | struct strbuf buf = STRBUF_INIT; |
1105 | struct strbuf unquoted = STRBUF_INIT; | |
7fb1011e | 1106 | |
f83eafdd | 1107 | setup_work_tree(); |
7e07ed84 | 1108 | while (getline_fn(&buf, stdin) != EOF) { |
d7a643b7 | 1109 | char *p; |
7e07ed84 | 1110 | if (!nul_term_line && buf.buf[0] == '"') { |
0d4cc1b4 JK |
1111 | strbuf_reset(&unquoted); |
1112 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
7fb1011e | 1113 | die("line is badly quoted"); |
0d4cc1b4 | 1114 | strbuf_swap(&buf, &unquoted); |
7fb1011e PH |
1115 | } |
1116 | p = prefix_path(prefix, prefix_length, buf.buf); | |
6bb69077 | 1117 | update_one(p); |
fb69a760 | 1118 | if (set_executable_bit) |
227bdb18 | 1119 | chmod_path(set_executable_bit, p); |
d7a643b7 | 1120 | free(p); |
9b63f501 | 1121 | } |
0d4cc1b4 | 1122 | strbuf_release(&unquoted); |
e6c019d0 | 1123 | strbuf_release(&buf); |
e83c5163 | 1124 | } |
2bd452d3 | 1125 | |
c18b80a0 | 1126 | if (split_index > 0) { |
6cc10533 CC |
1127 | if (git_config_get_split_index() == 0) |
1128 | warning(_("core.splitIndex is set to false; " | |
1129 | "remove or change it, if you really want to " | |
1130 | "enable split index")); | |
cef4fc7e CC |
1131 | if (the_index.split_index) |
1132 | the_index.cache_changed |= SPLIT_INDEX_ORDERED; | |
1133 | else | |
1134 | add_split_index(&the_index); | |
6cc10533 CC |
1135 | } else if (!split_index) { |
1136 | if (git_config_get_split_index() == 1) | |
1137 | warning(_("core.splitIndex is set to true; " | |
1138 | "remove or change it, if you really want to " | |
1139 | "disable split index")); | |
cef4fc7e | 1140 | remove_split_index(&the_index); |
6cc10533 | 1141 | } |
9e597241 | 1142 | |
435ec090 CC |
1143 | switch (untracked_cache) { |
1144 | case UC_UNSPECIFIED: | |
1145 | break; | |
1146 | case UC_DISABLE: | |
1147 | if (git_config_get_untracked_cache() == 1) | |
43073f89 VA |
1148 | warning(_("core.untrackedCache is set to true; " |
1149 | "remove or change it, if you really want to " | |
1150 | "disable the untracked cache")); | |
07b29bfd | 1151 | remove_untracked_cache(&the_index); |
6d19db14 | 1152 | report(_("Untracked cache disabled")); |
435ec090 CC |
1153 | break; |
1154 | case UC_TEST: | |
1155 | setup_work_tree(); | |
1156 | return !test_if_untracked_cache_is_supported(); | |
1157 | case UC_ENABLE: | |
1158 | case UC_FORCE: | |
1159 | if (git_config_get_untracked_cache() == 0) | |
43073f89 VA |
1160 | warning(_("core.untrackedCache is set to false; " |
1161 | "remove or change it, if you really want to " | |
1162 | "enable the untracked cache")); | |
435ec090 CC |
1163 | add_untracked_cache(&the_index); |
1164 | report(_("Untracked cache enabled for '%s'"), get_git_work_tree()); | |
1165 | break; | |
1166 | default: | |
ef1177d1 | 1167 | die("BUG: bad untracked_cache value: %d", untracked_cache); |
9e597241 | 1168 | } |
c18b80a0 | 1169 | |
9d406cba BP |
1170 | if (fsmonitor > 0) { |
1171 | if (git_config_get_fsmonitor() == 0) | |
1172 | warning(_("core.fsmonitor is unset; " | |
1173 | "set it if you really want to " | |
1174 | "enable fsmonitor")); | |
1175 | add_fsmonitor(&the_index); | |
1176 | report(_("fsmonitor enabled")); | |
1177 | } else if (!fsmonitor) { | |
1178 | if (git_config_get_fsmonitor() == 1) | |
1179 | warning(_("core.fsmonitor is set; " | |
1180 | "remove it if you really want to " | |
1181 | "disable fsmonitor")); | |
1182 | remove_fsmonitor(&the_index); | |
1183 | report(_("fsmonitor disabled")); | |
1184 | } | |
1185 | ||
7c545be9 | 1186 | if (active_cache_changed || force_write) { |
7b802b86 | 1187 | if (newfd < 0) { |
309be813 | 1188 | if (refresh_args.flags & REFRESH_QUIET) |
7b802b86 | 1189 | exit(128); |
e197c218 | 1190 | unable_to_lock_die(get_index_file(), lock_error); |
7b802b86 | 1191 | } |
bfffb48c | 1192 | if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
021b6e45 | 1193 | die("Unable to write new index file"); |
5cd5ace7 | 1194 | } |
9614b8dc | 1195 | |
bfffb48c | 1196 | rollback_lock_file(&lock_file); |
fefe81c9 | 1197 | |
c4b83e61 | 1198 | return has_errors ? 1 : 0; |
e83c5163 | 1199 | } |