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Commit | Line | Data |
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6757ada4 JB |
1 | /* |
2 | * git gc builtin command | |
3 | * | |
4 | * Cleanup unreachable files and optimize the repository. | |
5 | * | |
6 | * Copyright (c) 2007 James Bowes | |
7 | * | |
8 | * Based on git-gc.sh, which is | |
9 | * | |
10 | * Copyright (c) 2006 Shawn O. Pearce | |
11 | */ | |
12 | ||
baffc0e7 | 13 | #include "builtin.h" |
a80d72db | 14 | #include "repository.h" |
b2141fc1 | 15 | #include "config.h" |
ebebeaea | 16 | #include "tempfile.h" |
697cc8ef | 17 | #include "lockfile.h" |
44c637c8 | 18 | #include "parse-options.h" |
6757ada4 | 19 | #include "run-command.h" |
4c5baf02 | 20 | #include "sigchain.h" |
dbbcd44f | 21 | #include "strvec.h" |
eab3296c | 22 | #include "commit.h" |
d5d5d7b6 | 23 | #include "commit-graph.h" |
0abe14f6 | 24 | #include "packfile.h" |
a80d72db | 25 | #include "object-store.h" |
9806f5a7 NTND |
26 | #include "pack.h" |
27 | #include "pack-objects.h" | |
28 | #include "blob.h" | |
29 | #include "tree.h" | |
b14ed5ad | 30 | #include "promisor-remote.h" |
4ddc79b2 | 31 | #include "refs.h" |
28cb5e66 | 32 | #include "remote.h" |
e841a79a | 33 | #include "object-store.h" |
2fec604f | 34 | #include "exec-cmd.h" |
6757ada4 JB |
35 | |
36 | #define FAILED_RUN "failed to run %s" | |
37 | ||
44c637c8 | 38 | static const char * const builtin_gc_usage[] = { |
9c9b4f2f | 39 | N_("git gc [<options>]"), |
44c637c8 JB |
40 | NULL |
41 | }; | |
6757ada4 | 42 | |
56752391 | 43 | static int pack_refs = 1; |
62aad184 | 44 | static int prune_reflogs = 1; |
07e7dbf0 | 45 | static int aggressive_depth = 50; |
1c192f34 | 46 | static int aggressive_window = 250; |
2c3c4399 | 47 | static int gc_auto_threshold = 6700; |
97063974 | 48 | static int gc_auto_pack_limit = 50; |
9f673f94 | 49 | static int detach_auto = 1; |
dddbad72 | 50 | static timestamp_t gc_log_expire_time; |
a831c06a | 51 | static const char *gc_log_expire = "1.day.ago"; |
d3154b44 | 52 | static const char *prune_expire = "2.weeks.ago"; |
e3df33bb | 53 | static const char *prune_worktrees_expire = "3.months.ago"; |
55dfe13d | 54 | static unsigned long big_pack_threshold; |
9806f5a7 | 55 | static unsigned long max_delta_cache_size = DEFAULT_DELTA_CACHE_SIZE; |
6757ada4 | 56 | |
22f9b7f3 JK |
57 | static struct strvec pack_refs_cmd = STRVEC_INIT; |
58 | static struct strvec reflog = STRVEC_INIT; | |
59 | static struct strvec repack = STRVEC_INIT; | |
60 | static struct strvec prune = STRVEC_INIT; | |
61 | static struct strvec prune_worktrees = STRVEC_INIT; | |
62 | static struct strvec rerere = STRVEC_INIT; | |
6757ada4 | 63 | |
076aa2cb | 64 | static struct tempfile *pidfile; |
329e6e87 | 65 | static struct lock_file log_lock; |
4c5baf02 | 66 | |
478f34d2 DK |
67 | static struct string_list pack_garbage = STRING_LIST_INIT_DUP; |
68 | ||
69 | static void clean_pack_garbage(void) | |
70 | { | |
71 | int i; | |
72 | for (i = 0; i < pack_garbage.nr; i++) | |
73 | unlink_or_warn(pack_garbage.items[i].string); | |
74 | string_list_clear(&pack_garbage, 0); | |
75 | } | |
76 | ||
77 | static void report_pack_garbage(unsigned seen_bits, const char *path) | |
78 | { | |
79 | if (seen_bits == PACKDIR_FILE_IDX) | |
80 | string_list_append(&pack_garbage, path); | |
81 | } | |
82 | ||
329e6e87 NTND |
83 | static void process_log_file(void) |
84 | { | |
85 | struct stat st; | |
a831c06a DT |
86 | if (fstat(get_lock_file_fd(&log_lock), &st)) { |
87 | /* | |
88 | * Perhaps there was an i/o error or another | |
89 | * unlikely situation. Try to make a note of | |
90 | * this in gc.log along with any existing | |
91 | * messages. | |
92 | */ | |
93 | int saved_errno = errno; | |
94 | fprintf(stderr, _("Failed to fstat %s: %s"), | |
076aa2cb | 95 | get_tempfile_path(log_lock.tempfile), |
a831c06a DT |
96 | strerror(saved_errno)); |
97 | fflush(stderr); | |
329e6e87 | 98 | commit_lock_file(&log_lock); |
a831c06a DT |
99 | errno = saved_errno; |
100 | } else if (st.st_size) { | |
101 | /* There was some error recorded in the lock file */ | |
102 | commit_lock_file(&log_lock); | |
103 | } else { | |
104 | /* No error, clean up any old gc.log */ | |
105 | unlink(git_path("gc.log")); | |
329e6e87 | 106 | rollback_lock_file(&log_lock); |
a831c06a | 107 | } |
329e6e87 NTND |
108 | } |
109 | ||
110 | static void process_log_file_at_exit(void) | |
111 | { | |
112 | fflush(stderr); | |
113 | process_log_file(); | |
114 | } | |
115 | ||
116 | static void process_log_file_on_signal(int signo) | |
117 | { | |
118 | process_log_file(); | |
119 | sigchain_pop(signo); | |
120 | raise(signo); | |
121 | } | |
122 | ||
bf3d70fe ÆAB |
123 | static int gc_config_is_timestamp_never(const char *var) |
124 | { | |
125 | const char *value; | |
126 | timestamp_t expire; | |
127 | ||
128 | if (!git_config_get_value(var, &value) && value) { | |
129 | if (parse_expiry_date(value, &expire)) | |
130 | die(_("failed to parse '%s' value '%s'"), var, value); | |
131 | return expire == 0; | |
132 | } | |
133 | return 0; | |
134 | } | |
135 | ||
5801d3b4 | 136 | static void gc_config(void) |
6757ada4 | 137 | { |
5801d3b4 TA |
138 | const char *value; |
139 | ||
140 | if (!git_config_get_value("gc.packrefs", &value)) { | |
c5e5a2c0 | 141 | if (value && !strcmp(value, "notbare")) |
6757ada4 JB |
142 | pack_refs = -1; |
143 | else | |
5801d3b4 | 144 | pack_refs = git_config_bool("gc.packrefs", value); |
17815501 | 145 | } |
5801d3b4 | 146 | |
bf3d70fe ÆAB |
147 | if (gc_config_is_timestamp_never("gc.reflogexpire") && |
148 | gc_config_is_timestamp_never("gc.reflogexpireunreachable")) | |
149 | prune_reflogs = 0; | |
150 | ||
5801d3b4 TA |
151 | git_config_get_int("gc.aggressivewindow", &aggressive_window); |
152 | git_config_get_int("gc.aggressivedepth", &aggressive_depth); | |
153 | git_config_get_int("gc.auto", &gc_auto_threshold); | |
154 | git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit); | |
155 | git_config_get_bool("gc.autodetach", &detach_auto); | |
77d67977 CC |
156 | git_config_get_expiry("gc.pruneexpire", &prune_expire); |
157 | git_config_get_expiry("gc.worktreepruneexpire", &prune_worktrees_expire); | |
94c9b5af | 158 | git_config_get_expiry("gc.logexpiry", &gc_log_expire); |
a831c06a | 159 | |
55dfe13d | 160 | git_config_get_ulong("gc.bigpackthreshold", &big_pack_threshold); |
9806f5a7 | 161 | git_config_get_ulong("pack.deltacachesize", &max_delta_cache_size); |
55dfe13d | 162 | |
5801d3b4 | 163 | git_config(git_default_config, NULL); |
6757ada4 JB |
164 | } |
165 | ||
a087cc98 | 166 | static int too_many_loose_objects(void) |
2c3c4399 JH |
167 | { |
168 | /* | |
169 | * Quickly check if a "gc" is needed, by estimating how | |
170 | * many loose objects there are. Because SHA-1 is evenly | |
171 | * distributed, we can check only one and get a reasonable | |
172 | * estimate. | |
173 | */ | |
2c3c4399 JH |
174 | DIR *dir; |
175 | struct dirent *ent; | |
176 | int auto_threshold; | |
177 | int num_loose = 0; | |
178 | int needed = 0; | |
e5cdbd5f | 179 | const unsigned hexsz_loose = the_hash_algo->hexsz - 2; |
2c3c4399 | 180 | |
07af8891 | 181 | dir = opendir(git_path("objects/17")); |
2c3c4399 JH |
182 | if (!dir) |
183 | return 0; | |
184 | ||
42c78a21 | 185 | auto_threshold = DIV_ROUND_UP(gc_auto_threshold, 256); |
2c3c4399 | 186 | while ((ent = readdir(dir)) != NULL) { |
e5cdbd5f ÆAB |
187 | if (strspn(ent->d_name, "0123456789abcdef") != hexsz_loose || |
188 | ent->d_name[hexsz_loose] != '\0') | |
2c3c4399 JH |
189 | continue; |
190 | if (++num_loose > auto_threshold) { | |
191 | needed = 1; | |
192 | break; | |
193 | } | |
194 | } | |
195 | closedir(dir); | |
196 | return needed; | |
197 | } | |
198 | ||
9806f5a7 NTND |
199 | static struct packed_git *find_base_packs(struct string_list *packs, |
200 | unsigned long limit) | |
ae4e89e5 NTND |
201 | { |
202 | struct packed_git *p, *base = NULL; | |
203 | ||
454ea2e4 | 204 | for (p = get_all_packs(the_repository); p; p = p->next) { |
ae4e89e5 NTND |
205 | if (!p->pack_local) |
206 | continue; | |
55dfe13d NTND |
207 | if (limit) { |
208 | if (p->pack_size >= limit) | |
209 | string_list_append(packs, p->pack_name); | |
210 | } else if (!base || base->pack_size < p->pack_size) { | |
ae4e89e5 NTND |
211 | base = p; |
212 | } | |
213 | } | |
214 | ||
215 | if (base) | |
216 | string_list_append(packs, base->pack_name); | |
9806f5a7 NTND |
217 | |
218 | return base; | |
ae4e89e5 NTND |
219 | } |
220 | ||
17815501 JH |
221 | static int too_many_packs(void) |
222 | { | |
223 | struct packed_git *p; | |
224 | int cnt; | |
225 | ||
226 | if (gc_auto_pack_limit <= 0) | |
227 | return 0; | |
228 | ||
454ea2e4 | 229 | for (cnt = 0, p = get_all_packs(the_repository); p; p = p->next) { |
17815501 JH |
230 | if (!p->pack_local) |
231 | continue; | |
01af249f | 232 | if (p->pack_keep) |
17815501 JH |
233 | continue; |
234 | /* | |
235 | * Perhaps check the size of the pack and count only | |
236 | * very small ones here? | |
237 | */ | |
238 | cnt++; | |
239 | } | |
5f4e3bf5 | 240 | return gc_auto_pack_limit < cnt; |
17815501 JH |
241 | } |
242 | ||
9806f5a7 NTND |
243 | static uint64_t total_ram(void) |
244 | { | |
245 | #if defined(HAVE_SYSINFO) | |
246 | struct sysinfo si; | |
247 | ||
248 | if (!sysinfo(&si)) | |
249 | return si.totalram; | |
250 | #elif defined(HAVE_BSD_SYSCTL) && (defined(HW_MEMSIZE) || defined(HW_PHYSMEM)) | |
251 | int64_t physical_memory; | |
252 | int mib[2]; | |
253 | size_t length; | |
254 | ||
255 | mib[0] = CTL_HW; | |
256 | # if defined(HW_MEMSIZE) | |
257 | mib[1] = HW_MEMSIZE; | |
258 | # else | |
259 | mib[1] = HW_PHYSMEM; | |
260 | # endif | |
261 | length = sizeof(int64_t); | |
262 | if (!sysctl(mib, 2, &physical_memory, &length, NULL, 0)) | |
263 | return physical_memory; | |
264 | #elif defined(GIT_WINDOWS_NATIVE) | |
265 | MEMORYSTATUSEX memInfo; | |
266 | ||
267 | memInfo.dwLength = sizeof(MEMORYSTATUSEX); | |
268 | if (GlobalMemoryStatusEx(&memInfo)) | |
269 | return memInfo.ullTotalPhys; | |
270 | #endif | |
271 | return 0; | |
272 | } | |
273 | ||
274 | static uint64_t estimate_repack_memory(struct packed_git *pack) | |
275 | { | |
276 | unsigned long nr_objects = approximate_object_count(); | |
277 | size_t os_cache, heap; | |
278 | ||
279 | if (!pack || !nr_objects) | |
280 | return 0; | |
281 | ||
282 | /* | |
283 | * First we have to scan through at least one pack. | |
284 | * Assume enough room in OS file cache to keep the entire pack | |
285 | * or we may accidentally evict data of other processes from | |
286 | * the cache. | |
287 | */ | |
288 | os_cache = pack->pack_size + pack->index_size; | |
289 | /* then pack-objects needs lots more for book keeping */ | |
290 | heap = sizeof(struct object_entry) * nr_objects; | |
291 | /* | |
292 | * internal rev-list --all --objects takes up some memory too, | |
293 | * let's say half of it is for blobs | |
294 | */ | |
295 | heap += sizeof(struct blob) * nr_objects / 2; | |
296 | /* | |
297 | * and the other half is for trees (commits and tags are | |
298 | * usually insignificant) | |
299 | */ | |
300 | heap += sizeof(struct tree) * nr_objects / 2; | |
301 | /* and then obj_hash[], underestimated in fact */ | |
302 | heap += sizeof(struct object *) * nr_objects; | |
303 | /* revindex is used also */ | |
304 | heap += sizeof(struct revindex_entry) * nr_objects; | |
305 | /* | |
306 | * read_sha1_file() (either at delta calculation phase, or | |
307 | * writing phase) also fills up the delta base cache | |
308 | */ | |
309 | heap += delta_base_cache_limit; | |
310 | /* and of course pack-objects has its own delta cache */ | |
311 | heap += max_delta_cache_size; | |
312 | ||
313 | return os_cache + heap; | |
314 | } | |
315 | ||
ae4e89e5 NTND |
316 | static int keep_one_pack(struct string_list_item *item, void *data) |
317 | { | |
22f9b7f3 | 318 | strvec_pushf(&repack, "--keep-pack=%s", basename(item->string)); |
ae4e89e5 NTND |
319 | return 0; |
320 | } | |
321 | ||
322 | static void add_repack_all_option(struct string_list *keep_pack) | |
7e52f566 JK |
323 | { |
324 | if (prune_expire && !strcmp(prune_expire, "now")) | |
22f9b7f3 | 325 | strvec_push(&repack, "-a"); |
7e52f566 | 326 | else { |
22f9b7f3 | 327 | strvec_push(&repack, "-A"); |
234587fc | 328 | if (prune_expire) |
22f9b7f3 | 329 | strvec_pushf(&repack, "--unpack-unreachable=%s", prune_expire); |
7e52f566 | 330 | } |
ae4e89e5 NTND |
331 | |
332 | if (keep_pack) | |
333 | for_each_string_list(keep_pack, keep_one_pack, NULL); | |
7e52f566 JK |
334 | } |
335 | ||
bdf56de8 DT |
336 | static void add_repack_incremental_option(void) |
337 | { | |
22f9b7f3 | 338 | strvec_push(&repack, "--no-write-bitmap-index"); |
bdf56de8 DT |
339 | } |
340 | ||
a087cc98 JH |
341 | static int need_to_gc(void) |
342 | { | |
343 | /* | |
b14d255b BC |
344 | * Setting gc.auto to 0 or negative can disable the |
345 | * automatic gc. | |
a087cc98 | 346 | */ |
b14d255b | 347 | if (gc_auto_threshold <= 0) |
95143f9e JH |
348 | return 0; |
349 | ||
17815501 JH |
350 | /* |
351 | * If there are too many loose objects, but not too many | |
352 | * packs, we run "repack -d -l". If there are too many packs, | |
353 | * we run "repack -A -d -l". Otherwise we tell the caller | |
354 | * there is no need. | |
355 | */ | |
55dfe13d NTND |
356 | if (too_many_packs()) { |
357 | struct string_list keep_pack = STRING_LIST_INIT_NODUP; | |
358 | ||
8fc67762 | 359 | if (big_pack_threshold) { |
55dfe13d | 360 | find_base_packs(&keep_pack, big_pack_threshold); |
8fc67762 NTND |
361 | if (keep_pack.nr >= gc_auto_pack_limit) { |
362 | big_pack_threshold = 0; | |
363 | string_list_clear(&keep_pack, 0); | |
364 | find_base_packs(&keep_pack, 0); | |
365 | } | |
9806f5a7 NTND |
366 | } else { |
367 | struct packed_git *p = find_base_packs(&keep_pack, 0); | |
368 | uint64_t mem_have, mem_want; | |
369 | ||
370 | mem_have = total_ram(); | |
371 | mem_want = estimate_repack_memory(p); | |
372 | ||
373 | /* | |
374 | * Only allow 1/2 of memory for pack-objects, leave | |
375 | * the rest for the OS and other processes in the | |
376 | * system. | |
377 | */ | |
378 | if (!mem_have || mem_want < mem_have / 2) | |
379 | string_list_clear(&keep_pack, 0); | |
8fc67762 | 380 | } |
55dfe13d NTND |
381 | |
382 | add_repack_all_option(&keep_pack); | |
383 | string_list_clear(&keep_pack, 0); | |
384 | } else if (too_many_loose_objects()) | |
bdf56de8 DT |
385 | add_repack_incremental_option(); |
386 | else | |
17815501 | 387 | return 0; |
bde30540 | 388 | |
15048f8a | 389 | if (run_hook_le(NULL, "pre-auto-gc", NULL)) |
bde30540 | 390 | return 0; |
95143f9e | 391 | return 1; |
a087cc98 JH |
392 | } |
393 | ||
64a99eb4 NTND |
394 | /* return NULL on success, else hostname running the gc */ |
395 | static const char *lock_repo_for_gc(int force, pid_t* ret_pid) | |
396 | { | |
b2275868 | 397 | struct lock_file lock = LOCK_INIT; |
da25bdb7 | 398 | char my_host[HOST_NAME_MAX + 1]; |
64a99eb4 NTND |
399 | struct strbuf sb = STRBUF_INIT; |
400 | struct stat st; | |
401 | uintmax_t pid; | |
402 | FILE *fp; | |
4f1c0b21 | 403 | int fd; |
00539cef | 404 | char *pidfile_path; |
64a99eb4 | 405 | |
076aa2cb | 406 | if (is_tempfile_active(pidfile)) |
4c5baf02 JN |
407 | /* already locked */ |
408 | return NULL; | |
409 | ||
5781a9a2 | 410 | if (xgethostname(my_host, sizeof(my_host))) |
5096d490 | 411 | xsnprintf(my_host, sizeof(my_host), "unknown"); |
64a99eb4 | 412 | |
00539cef MH |
413 | pidfile_path = git_pathdup("gc.pid"); |
414 | fd = hold_lock_file_for_update(&lock, pidfile_path, | |
64a99eb4 NTND |
415 | LOCK_DIE_ON_ERROR); |
416 | if (!force) { | |
da25bdb7 RS |
417 | static char locking_host[HOST_NAME_MAX + 1]; |
418 | static char *scan_fmt; | |
4f1c0b21 | 419 | int should_exit; |
da25bdb7 RS |
420 | |
421 | if (!scan_fmt) | |
afe2fab7 | 422 | scan_fmt = xstrfmt("%s %%%ds", "%"SCNuMAX, HOST_NAME_MAX); |
00539cef | 423 | fp = fopen(pidfile_path, "r"); |
64a99eb4 NTND |
424 | memset(locking_host, 0, sizeof(locking_host)); |
425 | should_exit = | |
426 | fp != NULL && | |
427 | !fstat(fileno(fp), &st) && | |
428 | /* | |
429 | * 12 hour limit is very generous as gc should | |
430 | * never take that long. On the other hand we | |
431 | * don't really need a strict limit here, | |
432 | * running gc --auto one day late is not a big | |
433 | * problem. --force can be used in manual gc | |
434 | * after the user verifies that no gc is | |
435 | * running. | |
436 | */ | |
437 | time(NULL) - st.st_mtime <= 12 * 3600 && | |
da25bdb7 | 438 | fscanf(fp, scan_fmt, &pid, locking_host) == 2 && |
64a99eb4 | 439 | /* be gentle to concurrent "gc" on remote hosts */ |
ed7eda8b | 440 | (strcmp(locking_host, my_host) || !kill(pid, 0) || errno == EPERM); |
64a99eb4 NTND |
441 | if (fp != NULL) |
442 | fclose(fp); | |
443 | if (should_exit) { | |
444 | if (fd >= 0) | |
445 | rollback_lock_file(&lock); | |
446 | *ret_pid = pid; | |
00539cef | 447 | free(pidfile_path); |
64a99eb4 NTND |
448 | return locking_host; |
449 | } | |
450 | } | |
451 | ||
452 | strbuf_addf(&sb, "%"PRIuMAX" %s", | |
453 | (uintmax_t) getpid(), my_host); | |
454 | write_in_full(fd, sb.buf, sb.len); | |
455 | strbuf_release(&sb); | |
456 | commit_lock_file(&lock); | |
076aa2cb | 457 | pidfile = register_tempfile(pidfile_path); |
ebebeaea | 458 | free(pidfile_path); |
64a99eb4 NTND |
459 | return NULL; |
460 | } | |
461 | ||
30299702 JN |
462 | /* |
463 | * Returns 0 if there was no previous error and gc can proceed, 1 if | |
464 | * gc should not proceed due to an error in the last run. Prints a | |
15beaaa3 | 465 | * message and returns -1 if an error occurred while reading gc.log |
30299702 JN |
466 | */ |
467 | static int report_last_gc_error(void) | |
329e6e87 NTND |
468 | { |
469 | struct strbuf sb = STRBUF_INIT; | |
30299702 | 470 | int ret = 0; |
3c426ecc | 471 | ssize_t len; |
a831c06a DT |
472 | struct stat st; |
473 | char *gc_log_path = git_pathdup("gc.log"); | |
329e6e87 | 474 | |
a831c06a DT |
475 | if (stat(gc_log_path, &st)) { |
476 | if (errno == ENOENT) | |
477 | goto done; | |
478 | ||
30299702 JN |
479 | ret = error_errno(_("cannot stat '%s'"), gc_log_path); |
480 | goto done; | |
a831c06a DT |
481 | } |
482 | ||
483 | if (st.st_mtime < gc_log_expire_time) | |
484 | goto done; | |
485 | ||
3c426ecc JN |
486 | len = strbuf_read_file(&sb, gc_log_path, 0); |
487 | if (len < 0) | |
30299702 JN |
488 | ret = error_errno(_("cannot read '%s'"), gc_log_path); |
489 | else if (len > 0) { | |
490 | /* | |
491 | * A previous gc failed. Report the error, and don't | |
492 | * bother with an automatic gc run since it is likely | |
493 | * to fail in the same way. | |
494 | */ | |
495 | warning(_("The last gc run reported the following. " | |
329e6e87 NTND |
496 | "Please correct the root cause\n" |
497 | "and remove %s.\n" | |
498 | "Automatic cleanup will not be performed " | |
499 | "until the file is removed.\n\n" | |
500 | "%s"), | |
a831c06a | 501 | gc_log_path, sb.buf); |
30299702 JN |
502 | ret = 1; |
503 | } | |
329e6e87 | 504 | strbuf_release(&sb); |
a831c06a DT |
505 | done: |
506 | free(gc_log_path); | |
30299702 | 507 | return ret; |
329e6e87 NTND |
508 | } |
509 | ||
fec2ed21 | 510 | static void gc_before_repack(void) |
62aad184 | 511 | { |
cd8eb3a0 ÆAB |
512 | /* |
513 | * We may be called twice, as both the pre- and | |
514 | * post-daemonized phases will call us, but running these | |
515 | * commands more than once is pointless and wasteful. | |
516 | */ | |
517 | static int done = 0; | |
518 | if (done++) | |
519 | return; | |
520 | ||
d70a9eb6 JK |
521 | if (pack_refs && run_command_v_opt(pack_refs_cmd.v, RUN_GIT_CMD)) |
522 | die(FAILED_RUN, pack_refs_cmd.v[0]); | |
62aad184 | 523 | |
d70a9eb6 JK |
524 | if (prune_reflogs && run_command_v_opt(reflog.v, RUN_GIT_CMD)) |
525 | die(FAILED_RUN, reflog.v[0]); | |
62aad184 NTND |
526 | } |
527 | ||
6757ada4 JB |
528 | int cmd_gc(int argc, const char **argv, const char *prefix) |
529 | { | |
44c637c8 | 530 | int aggressive = 0; |
2c3c4399 | 531 | int auto_gc = 0; |
a0c14cbb | 532 | int quiet = 0; |
64a99eb4 NTND |
533 | int force = 0; |
534 | const char *name; | |
535 | pid_t pid; | |
329e6e87 | 536 | int daemonized = 0; |
793c1464 | 537 | int keep_largest_pack = -1; |
8ab5aa4b | 538 | timestamp_t dummy; |
6757ada4 | 539 | |
44c637c8 | 540 | struct option builtin_gc_options[] = { |
6705c162 NTND |
541 | OPT__QUIET(&quiet, N_("suppress progress reporting")), |
542 | { OPTION_STRING, 0, "prune", &prune_expire, N_("date"), | |
543 | N_("prune unreferenced objects"), | |
58e9d9d4 | 544 | PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire }, |
d5d09d47 | 545 | OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")), |
7e1eeaa4 NTND |
546 | OPT_BOOL_F(0, "auto", &auto_gc, N_("enable auto-gc mode"), |
547 | PARSE_OPT_NOCOMPLETE), | |
548 | OPT_BOOL_F(0, "force", &force, | |
549 | N_("force running gc even if there may be another gc running"), | |
550 | PARSE_OPT_NOCOMPLETE), | |
793c1464 | 551 | OPT_BOOL(0, "keep-largest-pack", &keep_largest_pack, |
ae4e89e5 | 552 | N_("repack all other packs except the largest pack")), |
44c637c8 JB |
553 | OPT_END() |
554 | }; | |
555 | ||
0c8151b6 NTND |
556 | if (argc == 2 && !strcmp(argv[1], "-h")) |
557 | usage_with_options(builtin_gc_usage, builtin_gc_options); | |
558 | ||
22f9b7f3 JK |
559 | strvec_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL); |
560 | strvec_pushl(&reflog, "reflog", "expire", "--all", NULL); | |
561 | strvec_pushl(&repack, "repack", "-d", "-l", NULL); | |
562 | strvec_pushl(&prune, "prune", "--expire", NULL); | |
563 | strvec_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL); | |
564 | strvec_pushl(&rerere, "rerere", "gc", NULL); | |
234587fc | 565 | |
a831c06a | 566 | /* default expiry time, overwritten in gc_config */ |
5801d3b4 | 567 | gc_config(); |
a831c06a | 568 | if (parse_expiry_date(gc_log_expire, &gc_log_expire_time)) |
96913c9d | 569 | die(_("failed to parse gc.logexpiry value %s"), gc_log_expire); |
6757ada4 JB |
570 | |
571 | if (pack_refs < 0) | |
572 | pack_refs = !is_bare_repository(); | |
573 | ||
37782920 SB |
574 | argc = parse_options(argc, argv, prefix, builtin_gc_options, |
575 | builtin_gc_usage, 0); | |
44c637c8 JB |
576 | if (argc > 0) |
577 | usage_with_options(builtin_gc_usage, builtin_gc_options); | |
578 | ||
8ab5aa4b JH |
579 | if (prune_expire && parse_expiry_date(prune_expire, &dummy)) |
580 | die(_("failed to parse prune expiry value %s"), prune_expire); | |
581 | ||
44c637c8 | 582 | if (aggressive) { |
22f9b7f3 | 583 | strvec_push(&repack, "-f"); |
125f8146 | 584 | if (aggressive_depth > 0) |
22f9b7f3 | 585 | strvec_pushf(&repack, "--depth=%d", aggressive_depth); |
234587fc | 586 | if (aggressive_window > 0) |
22f9b7f3 | 587 | strvec_pushf(&repack, "--window=%d", aggressive_window); |
6757ada4 | 588 | } |
a0c14cbb | 589 | if (quiet) |
22f9b7f3 | 590 | strvec_push(&repack, "-q"); |
6757ada4 | 591 | |
2c3c4399 JH |
592 | if (auto_gc) { |
593 | /* | |
594 | * Auto-gc should be least intrusive as possible. | |
595 | */ | |
2c3c4399 JH |
596 | if (!need_to_gc()) |
597 | return 0; | |
9f673f94 NTND |
598 | if (!quiet) { |
599 | if (detach_auto) | |
600 | fprintf(stderr, _("Auto packing the repository in background for optimum performance.\n")); | |
601 | else | |
602 | fprintf(stderr, _("Auto packing the repository for optimum performance.\n")); | |
603 | fprintf(stderr, _("See \"git help gc\" for manual housekeeping.\n")); | |
604 | } | |
62aad184 | 605 | if (detach_auto) { |
30299702 JN |
606 | int ret = report_last_gc_error(); |
607 | if (ret < 0) | |
15beaaa3 | 608 | /* an I/O error occurred, already reported */ |
30299702 JN |
609 | exit(128); |
610 | if (ret == 1) | |
611 | /* Last gc --auto failed. Skip this one. */ | |
612 | return 0; | |
329e6e87 | 613 | |
c45af94d JK |
614 | if (lock_repo_for_gc(force, &pid)) |
615 | return 0; | |
fec2ed21 | 616 | gc_before_repack(); /* dies on failure */ |
c45af94d JK |
617 | delete_tempfile(&pidfile); |
618 | ||
9f673f94 NTND |
619 | /* |
620 | * failure to daemonize is ok, we'll continue | |
621 | * in foreground | |
622 | */ | |
329e6e87 | 623 | daemonized = !daemonize(); |
62aad184 | 624 | } |
ae4e89e5 NTND |
625 | } else { |
626 | struct string_list keep_pack = STRING_LIST_INIT_NODUP; | |
627 | ||
793c1464 ÆAB |
628 | if (keep_largest_pack != -1) { |
629 | if (keep_largest_pack) | |
55dfe13d NTND |
630 | find_base_packs(&keep_pack, 0); |
631 | } else if (big_pack_threshold) { | |
632 | find_base_packs(&keep_pack, big_pack_threshold); | |
ae4e89e5 NTND |
633 | } |
634 | ||
635 | add_repack_all_option(&keep_pack); | |
636 | string_list_clear(&keep_pack, 0); | |
637 | } | |
2c3c4399 | 638 | |
64a99eb4 NTND |
639 | name = lock_repo_for_gc(force, &pid); |
640 | if (name) { | |
641 | if (auto_gc) | |
642 | return 0; /* be quiet on --auto */ | |
643 | die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"), | |
644 | name, (uintmax_t)pid); | |
645 | } | |
646 | ||
329e6e87 NTND |
647 | if (daemonized) { |
648 | hold_lock_file_for_update(&log_lock, | |
649 | git_path("gc.log"), | |
650 | LOCK_DIE_ON_ERROR); | |
076c8278 | 651 | dup2(get_lock_file_fd(&log_lock), 2); |
329e6e87 NTND |
652 | sigchain_push_common(process_log_file_on_signal); |
653 | atexit(process_log_file_at_exit); | |
654 | } | |
655 | ||
fec2ed21 | 656 | gc_before_repack(); |
6757ada4 | 657 | |
067fbd41 | 658 | if (!repository_format_precious_objects) { |
2d511cfc | 659 | close_object_store(the_repository->objects); |
d70a9eb6 JK |
660 | if (run_command_v_opt(repack.v, RUN_GIT_CMD)) |
661 | die(FAILED_RUN, repack.v[0]); | |
067fbd41 JK |
662 | |
663 | if (prune_expire) { | |
22f9b7f3 | 664 | strvec_push(&prune, prune_expire); |
067fbd41 | 665 | if (quiet) |
22f9b7f3 | 666 | strvec_push(&prune, "--no-progress"); |
b14ed5ad | 667 | if (has_promisor_remote()) |
22f9b7f3 | 668 | strvec_push(&prune, |
f6d8942b | 669 | "--exclude-promisor-objects"); |
d70a9eb6 JK |
670 | if (run_command_v_opt(prune.v, RUN_GIT_CMD)) |
671 | die(FAILED_RUN, prune.v[0]); | |
067fbd41 | 672 | } |
58e9d9d4 | 673 | } |
6757ada4 | 674 | |
e3df33bb | 675 | if (prune_worktrees_expire) { |
22f9b7f3 | 676 | strvec_push(&prune_worktrees, prune_worktrees_expire); |
d70a9eb6 JK |
677 | if (run_command_v_opt(prune_worktrees.v, RUN_GIT_CMD)) |
678 | die(FAILED_RUN, prune_worktrees.v[0]); | |
e3df33bb NTND |
679 | } |
680 | ||
d70a9eb6 JK |
681 | if (run_command_v_opt(rerere.v, RUN_GIT_CMD)) |
682 | die(FAILED_RUN, rerere.v[0]); | |
6757ada4 | 683 | |
478f34d2 | 684 | report_garbage = report_pack_garbage; |
a49d2834 | 685 | reprepare_packed_git(the_repository); |
5bdece0d | 686 | if (pack_garbage.nr > 0) { |
2d511cfc | 687 | close_object_store(the_repository->objects); |
478f34d2 | 688 | clean_pack_garbage(); |
5bdece0d | 689 | } |
478f34d2 | 690 | |
7211b9e7 DS |
691 | prepare_repo_settings(the_repository); |
692 | if (the_repository->settings.gc_write_commit_graph == 1) | |
0bd52e27 | 693 | write_commit_graph_reachable(the_repository->objects->odb, |
f4f8dfe1 | 694 | !quiet && !daemonized ? COMMIT_GRAPH_WRITE_PROGRESS : 0, |
7211b9e7 | 695 | NULL); |
d5d5d7b6 | 696 | |
a087cc98 | 697 | if (auto_gc && too_many_loose_objects()) |
fea6128b ÆAB |
698 | warning(_("There are too many unreachable loose objects; " |
699 | "run 'git prune' to remove them.")); | |
a087cc98 | 700 | |
a831c06a DT |
701 | if (!daemonized) |
702 | unlink(git_path("gc.log")); | |
703 | ||
6757ada4 JB |
704 | return 0; |
705 | } | |
2057d750 | 706 | |
b08ff1fe DS |
707 | static const char *const builtin_maintenance_run_usage[] = { |
708 | N_("git maintenance run [--auto] [--[no-]quiet] [--task=<task>] [--schedule]"), | |
2057d750 DS |
709 | NULL |
710 | }; | |
711 | ||
b08ff1fe DS |
712 | enum schedule_priority { |
713 | SCHEDULE_NONE = 0, | |
714 | SCHEDULE_WEEKLY = 1, | |
715 | SCHEDULE_DAILY = 2, | |
716 | SCHEDULE_HOURLY = 3, | |
717 | }; | |
718 | ||
719 | static enum schedule_priority parse_schedule(const char *value) | |
720 | { | |
721 | if (!value) | |
722 | return SCHEDULE_NONE; | |
723 | if (!strcasecmp(value, "hourly")) | |
724 | return SCHEDULE_HOURLY; | |
725 | if (!strcasecmp(value, "daily")) | |
726 | return SCHEDULE_DAILY; | |
727 | if (!strcasecmp(value, "weekly")) | |
728 | return SCHEDULE_WEEKLY; | |
729 | return SCHEDULE_NONE; | |
730 | } | |
731 | ||
732 | static int maintenance_opt_schedule(const struct option *opt, const char *arg, | |
733 | int unset) | |
734 | { | |
735 | enum schedule_priority *priority = opt->value; | |
736 | ||
737 | if (unset) | |
738 | die(_("--no-schedule is not allowed")); | |
739 | ||
740 | *priority = parse_schedule(arg); | |
741 | ||
742 | if (!*priority) | |
743 | die(_("unrecognized --schedule argument '%s'"), arg); | |
744 | ||
745 | return 0; | |
746 | } | |
747 | ||
2057d750 DS |
748 | struct maintenance_run_opts { |
749 | int auto_flag; | |
3ddaad0e | 750 | int quiet; |
b08ff1fe | 751 | enum schedule_priority schedule; |
2057d750 DS |
752 | }; |
753 | ||
4ddc79b2 DS |
754 | /* Remember to update object flag allocation in object.h */ |
755 | #define SEEN (1u<<0) | |
756 | ||
757 | struct cg_auto_data { | |
758 | int num_not_in_graph; | |
759 | int limit; | |
760 | }; | |
761 | ||
762 | static int dfs_on_ref(const char *refname, | |
763 | const struct object_id *oid, int flags, | |
764 | void *cb_data) | |
765 | { | |
766 | struct cg_auto_data *data = (struct cg_auto_data *)cb_data; | |
767 | int result = 0; | |
768 | struct object_id peeled; | |
769 | struct commit_list *stack = NULL; | |
770 | struct commit *commit; | |
771 | ||
772 | if (!peel_ref(refname, &peeled)) | |
773 | oid = &peeled; | |
774 | if (oid_object_info(the_repository, oid, NULL) != OBJ_COMMIT) | |
775 | return 0; | |
776 | ||
777 | commit = lookup_commit(the_repository, oid); | |
778 | if (!commit) | |
779 | return 0; | |
8f801804 DS |
780 | if (parse_commit(commit) || |
781 | commit_graph_position(commit) != COMMIT_NOT_FROM_GRAPH) | |
4ddc79b2 DS |
782 | return 0; |
783 | ||
8f801804 DS |
784 | data->num_not_in_graph++; |
785 | ||
786 | if (data->num_not_in_graph >= data->limit) | |
787 | return 1; | |
788 | ||
4ddc79b2 DS |
789 | commit_list_append(commit, &stack); |
790 | ||
791 | while (!result && stack) { | |
792 | struct commit_list *parent; | |
793 | ||
794 | commit = pop_commit(&stack); | |
795 | ||
796 | for (parent = commit->parents; parent; parent = parent->next) { | |
797 | if (parse_commit(parent->item) || | |
798 | commit_graph_position(parent->item) != COMMIT_NOT_FROM_GRAPH || | |
799 | parent->item->object.flags & SEEN) | |
800 | continue; | |
801 | ||
802 | parent->item->object.flags |= SEEN; | |
803 | data->num_not_in_graph++; | |
804 | ||
805 | if (data->num_not_in_graph >= data->limit) { | |
806 | result = 1; | |
807 | break; | |
808 | } | |
809 | ||
810 | commit_list_append(parent->item, &stack); | |
811 | } | |
812 | } | |
813 | ||
814 | free_commit_list(stack); | |
815 | return result; | |
816 | } | |
817 | ||
818 | static int should_write_commit_graph(void) | |
819 | { | |
820 | int result; | |
821 | struct cg_auto_data data; | |
822 | ||
823 | data.num_not_in_graph = 0; | |
824 | data.limit = 100; | |
825 | git_config_get_int("maintenance.commit-graph.auto", | |
826 | &data.limit); | |
827 | ||
828 | if (!data.limit) | |
829 | return 0; | |
830 | if (data.limit < 0) | |
831 | return 1; | |
832 | ||
833 | result = for_each_ref(dfs_on_ref, &data); | |
834 | ||
cd888845 | 835 | repo_clear_commit_marks(the_repository, SEEN); |
4ddc79b2 DS |
836 | |
837 | return result; | |
838 | } | |
839 | ||
663b2b1b DS |
840 | static int run_write_commit_graph(struct maintenance_run_opts *opts) |
841 | { | |
842 | struct child_process child = CHILD_PROCESS_INIT; | |
843 | ||
844 | child.git_cmd = 1; | |
845 | strvec_pushl(&child.args, "commit-graph", "write", | |
846 | "--split", "--reachable", NULL); | |
847 | ||
848 | if (opts->quiet) | |
849 | strvec_push(&child.args, "--no-progress"); | |
850 | ||
851 | return !!run_command(&child); | |
852 | } | |
853 | ||
854 | static int maintenance_task_commit_graph(struct maintenance_run_opts *opts) | |
855 | { | |
d334107c DS |
856 | prepare_repo_settings(the_repository); |
857 | if (!the_repository->settings.core_commit_graph) | |
858 | return 0; | |
859 | ||
663b2b1b DS |
860 | close_object_store(the_repository->objects); |
861 | if (run_write_commit_graph(opts)) { | |
862 | error(_("failed to write commit-graph")); | |
863 | return 1; | |
864 | } | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
28cb5e66 DS |
869 | static int fetch_remote(const char *remote, struct maintenance_run_opts *opts) |
870 | { | |
871 | struct child_process child = CHILD_PROCESS_INIT; | |
872 | ||
873 | child.git_cmd = 1; | |
874 | strvec_pushl(&child.args, "fetch", remote, "--prune", "--no-tags", | |
875 | "--no-write-fetch-head", "--recurse-submodules=no", | |
876 | "--refmap=", NULL); | |
877 | ||
878 | if (opts->quiet) | |
879 | strvec_push(&child.args, "--quiet"); | |
880 | ||
881 | strvec_pushf(&child.args, "+refs/heads/*:refs/prefetch/%s/*", remote); | |
882 | ||
883 | return !!run_command(&child); | |
884 | } | |
885 | ||
886 | static int append_remote(struct remote *remote, void *cbdata) | |
887 | { | |
888 | struct string_list *remotes = (struct string_list *)cbdata; | |
889 | ||
890 | string_list_append(remotes, remote->name); | |
891 | return 0; | |
892 | } | |
893 | ||
894 | static int maintenance_task_prefetch(struct maintenance_run_opts *opts) | |
895 | { | |
896 | int result = 0; | |
897 | struct string_list_item *item; | |
898 | struct string_list remotes = STRING_LIST_INIT_DUP; | |
899 | ||
900 | if (for_each_remote(append_remote, &remotes)) { | |
901 | error(_("failed to fill remotes")); | |
902 | result = 1; | |
903 | goto cleanup; | |
904 | } | |
905 | ||
906 | for_each_string_list_item(item, &remotes) | |
907 | result |= fetch_remote(item->string, opts); | |
908 | ||
909 | cleanup: | |
910 | string_list_clear(&remotes, 0); | |
911 | return result; | |
912 | } | |
913 | ||
2057d750 DS |
914 | static int maintenance_task_gc(struct maintenance_run_opts *opts) |
915 | { | |
916 | struct child_process child = CHILD_PROCESS_INIT; | |
917 | ||
918 | child.git_cmd = 1; | |
919 | strvec_push(&child.args, "gc"); | |
920 | ||
921 | if (opts->auto_flag) | |
922 | strvec_push(&child.args, "--auto"); | |
3ddaad0e DS |
923 | if (opts->quiet) |
924 | strvec_push(&child.args, "--quiet"); | |
925 | else | |
926 | strvec_push(&child.args, "--no-quiet"); | |
2057d750 DS |
927 | |
928 | close_object_store(the_repository->objects); | |
929 | return run_command(&child); | |
930 | } | |
931 | ||
252cfb7c DS |
932 | static int prune_packed(struct maintenance_run_opts *opts) |
933 | { | |
934 | struct child_process child = CHILD_PROCESS_INIT; | |
935 | ||
936 | child.git_cmd = 1; | |
937 | strvec_push(&child.args, "prune-packed"); | |
938 | ||
939 | if (opts->quiet) | |
940 | strvec_push(&child.args, "--quiet"); | |
941 | ||
942 | return !!run_command(&child); | |
943 | } | |
944 | ||
945 | struct write_loose_object_data { | |
946 | FILE *in; | |
947 | int count; | |
948 | int batch_size; | |
949 | }; | |
950 | ||
3e220e60 DS |
951 | static int loose_object_auto_limit = 100; |
952 | ||
953 | static int loose_object_count(const struct object_id *oid, | |
954 | const char *path, | |
955 | void *data) | |
956 | { | |
957 | int *count = (int*)data; | |
958 | if (++(*count) >= loose_object_auto_limit) | |
959 | return 1; | |
960 | return 0; | |
961 | } | |
962 | ||
963 | static int loose_object_auto_condition(void) | |
964 | { | |
965 | int count = 0; | |
966 | ||
967 | git_config_get_int("maintenance.loose-objects.auto", | |
968 | &loose_object_auto_limit); | |
969 | ||
970 | if (!loose_object_auto_limit) | |
971 | return 0; | |
972 | if (loose_object_auto_limit < 0) | |
973 | return 1; | |
974 | ||
975 | return for_each_loose_file_in_objdir(the_repository->objects->odb->path, | |
976 | loose_object_count, | |
977 | NULL, NULL, &count); | |
978 | } | |
979 | ||
252cfb7c DS |
980 | static int bail_on_loose(const struct object_id *oid, |
981 | const char *path, | |
982 | void *data) | |
983 | { | |
984 | return 1; | |
985 | } | |
986 | ||
987 | static int write_loose_object_to_stdin(const struct object_id *oid, | |
988 | const char *path, | |
989 | void *data) | |
990 | { | |
991 | struct write_loose_object_data *d = (struct write_loose_object_data *)data; | |
992 | ||
993 | fprintf(d->in, "%s\n", oid_to_hex(oid)); | |
994 | ||
995 | return ++(d->count) > d->batch_size; | |
996 | } | |
997 | ||
998 | static int pack_loose(struct maintenance_run_opts *opts) | |
999 | { | |
1000 | struct repository *r = the_repository; | |
1001 | int result = 0; | |
1002 | struct write_loose_object_data data; | |
1003 | struct child_process pack_proc = CHILD_PROCESS_INIT; | |
1004 | ||
1005 | /* | |
1006 | * Do not start pack-objects process | |
1007 | * if there are no loose objects. | |
1008 | */ | |
1009 | if (!for_each_loose_file_in_objdir(r->objects->odb->path, | |
1010 | bail_on_loose, | |
1011 | NULL, NULL, NULL)) | |
1012 | return 0; | |
1013 | ||
1014 | pack_proc.git_cmd = 1; | |
1015 | ||
1016 | strvec_push(&pack_proc.args, "pack-objects"); | |
1017 | if (opts->quiet) | |
1018 | strvec_push(&pack_proc.args, "--quiet"); | |
1019 | strvec_pushf(&pack_proc.args, "%s/pack/loose", r->objects->odb->path); | |
1020 | ||
1021 | pack_proc.in = -1; | |
1022 | ||
1023 | if (start_command(&pack_proc)) { | |
1024 | error(_("failed to start 'git pack-objects' process")); | |
1025 | return 1; | |
1026 | } | |
1027 | ||
1028 | data.in = xfdopen(pack_proc.in, "w"); | |
1029 | data.count = 0; | |
1030 | data.batch_size = 50000; | |
1031 | ||
1032 | for_each_loose_file_in_objdir(r->objects->odb->path, | |
1033 | write_loose_object_to_stdin, | |
1034 | NULL, | |
1035 | NULL, | |
1036 | &data); | |
1037 | ||
1038 | fclose(data.in); | |
1039 | ||
1040 | if (finish_command(&pack_proc)) { | |
1041 | error(_("failed to finish 'git pack-objects' process")); | |
1042 | result = 1; | |
1043 | } | |
1044 | ||
1045 | return result; | |
1046 | } | |
1047 | ||
1048 | static int maintenance_task_loose_objects(struct maintenance_run_opts *opts) | |
1049 | { | |
1050 | return prune_packed(opts) || pack_loose(opts); | |
1051 | } | |
1052 | ||
e841a79a DS |
1053 | static int incremental_repack_auto_condition(void) |
1054 | { | |
1055 | struct packed_git *p; | |
1056 | int enabled; | |
1057 | int incremental_repack_auto_limit = 10; | |
1058 | int count = 0; | |
1059 | ||
1060 | if (git_config_get_bool("core.multiPackIndex", &enabled) || | |
1061 | !enabled) | |
1062 | return 0; | |
1063 | ||
1064 | git_config_get_int("maintenance.incremental-repack.auto", | |
1065 | &incremental_repack_auto_limit); | |
1066 | ||
1067 | if (!incremental_repack_auto_limit) | |
1068 | return 0; | |
1069 | if (incremental_repack_auto_limit < 0) | |
1070 | return 1; | |
1071 | ||
1072 | for (p = get_packed_git(the_repository); | |
1073 | count < incremental_repack_auto_limit && p; | |
1074 | p = p->next) { | |
1075 | if (!p->multi_pack_index) | |
1076 | count++; | |
1077 | } | |
1078 | ||
1079 | return count >= incremental_repack_auto_limit; | |
1080 | } | |
1081 | ||
52fe41ff DS |
1082 | static int multi_pack_index_write(struct maintenance_run_opts *opts) |
1083 | { | |
1084 | struct child_process child = CHILD_PROCESS_INIT; | |
1085 | ||
1086 | child.git_cmd = 1; | |
1087 | strvec_pushl(&child.args, "multi-pack-index", "write", NULL); | |
1088 | ||
1089 | if (opts->quiet) | |
1090 | strvec_push(&child.args, "--no-progress"); | |
1091 | ||
1092 | if (run_command(&child)) | |
1093 | return error(_("failed to write multi-pack-index")); | |
1094 | ||
1095 | return 0; | |
1096 | } | |
1097 | ||
1098 | static int multi_pack_index_expire(struct maintenance_run_opts *opts) | |
1099 | { | |
1100 | struct child_process child = CHILD_PROCESS_INIT; | |
1101 | ||
1102 | child.git_cmd = 1; | |
1103 | strvec_pushl(&child.args, "multi-pack-index", "expire", NULL); | |
1104 | ||
1105 | if (opts->quiet) | |
1106 | strvec_push(&child.args, "--no-progress"); | |
1107 | ||
1108 | close_object_store(the_repository->objects); | |
1109 | ||
1110 | if (run_command(&child)) | |
1111 | return error(_("'git multi-pack-index expire' failed")); | |
1112 | ||
1113 | return 0; | |
1114 | } | |
1115 | ||
a13e3d0e DS |
1116 | #define TWO_GIGABYTES (INT32_MAX) |
1117 | ||
1118 | static off_t get_auto_pack_size(void) | |
1119 | { | |
1120 | /* | |
1121 | * The "auto" value is special: we optimize for | |
1122 | * one large pack-file (i.e. from a clone) and | |
1123 | * expect the rest to be small and they can be | |
1124 | * repacked quickly. | |
1125 | * | |
1126 | * The strategy we select here is to select a | |
1127 | * size that is one more than the second largest | |
1128 | * pack-file. This ensures that we will repack | |
1129 | * at least two packs if there are three or more | |
1130 | * packs. | |
1131 | */ | |
1132 | off_t max_size = 0; | |
1133 | off_t second_largest_size = 0; | |
1134 | off_t result_size; | |
1135 | struct packed_git *p; | |
1136 | struct repository *r = the_repository; | |
1137 | ||
1138 | reprepare_packed_git(r); | |
1139 | for (p = get_all_packs(r); p; p = p->next) { | |
1140 | if (p->pack_size > max_size) { | |
1141 | second_largest_size = max_size; | |
1142 | max_size = p->pack_size; | |
1143 | } else if (p->pack_size > second_largest_size) | |
1144 | second_largest_size = p->pack_size; | |
1145 | } | |
1146 | ||
1147 | result_size = second_largest_size + 1; | |
1148 | ||
1149 | /* But limit ourselves to a batch size of 2g */ | |
1150 | if (result_size > TWO_GIGABYTES) | |
1151 | result_size = TWO_GIGABYTES; | |
1152 | ||
1153 | return result_size; | |
1154 | } | |
1155 | ||
52fe41ff DS |
1156 | static int multi_pack_index_repack(struct maintenance_run_opts *opts) |
1157 | { | |
1158 | struct child_process child = CHILD_PROCESS_INIT; | |
1159 | ||
1160 | child.git_cmd = 1; | |
1161 | strvec_pushl(&child.args, "multi-pack-index", "repack", NULL); | |
1162 | ||
1163 | if (opts->quiet) | |
1164 | strvec_push(&child.args, "--no-progress"); | |
1165 | ||
a13e3d0e DS |
1166 | strvec_pushf(&child.args, "--batch-size=%"PRIuMAX, |
1167 | (uintmax_t)get_auto_pack_size()); | |
52fe41ff DS |
1168 | |
1169 | close_object_store(the_repository->objects); | |
1170 | ||
1171 | if (run_command(&child)) | |
1172 | return error(_("'git multi-pack-index repack' failed")); | |
1173 | ||
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | static int maintenance_task_incremental_repack(struct maintenance_run_opts *opts) | |
1178 | { | |
1179 | prepare_repo_settings(the_repository); | |
1180 | if (!the_repository->settings.core_multi_pack_index) { | |
1181 | warning(_("skipping incremental-repack task because core.multiPackIndex is disabled")); | |
1182 | return 0; | |
1183 | } | |
1184 | ||
1185 | if (multi_pack_index_write(opts)) | |
1186 | return 1; | |
1187 | if (multi_pack_index_expire(opts)) | |
1188 | return 1; | |
1189 | if (multi_pack_index_repack(opts)) | |
1190 | return 1; | |
1191 | return 0; | |
1192 | } | |
1193 | ||
3103e984 DS |
1194 | typedef int maintenance_task_fn(struct maintenance_run_opts *opts); |
1195 | ||
916d0626 DS |
1196 | /* |
1197 | * An auto condition function returns 1 if the task should run | |
1198 | * and 0 if the task should NOT run. See needs_to_gc() for an | |
1199 | * example. | |
1200 | */ | |
1201 | typedef int maintenance_auto_fn(void); | |
1202 | ||
3103e984 DS |
1203 | struct maintenance_task { |
1204 | const char *name; | |
1205 | maintenance_task_fn *fn; | |
916d0626 | 1206 | maintenance_auto_fn *auto_condition; |
3103e984 | 1207 | unsigned enabled:1; |
090511bc | 1208 | |
b08ff1fe DS |
1209 | enum schedule_priority schedule; |
1210 | ||
090511bc DS |
1211 | /* -1 if not selected. */ |
1212 | int selected_order; | |
3103e984 DS |
1213 | }; |
1214 | ||
1215 | enum maintenance_task_label { | |
28cb5e66 | 1216 | TASK_PREFETCH, |
252cfb7c | 1217 | TASK_LOOSE_OBJECTS, |
52fe41ff | 1218 | TASK_INCREMENTAL_REPACK, |
3103e984 | 1219 | TASK_GC, |
663b2b1b | 1220 | TASK_COMMIT_GRAPH, |
3103e984 DS |
1221 | |
1222 | /* Leave as final value */ | |
1223 | TASK__COUNT | |
1224 | }; | |
1225 | ||
1226 | static struct maintenance_task tasks[] = { | |
28cb5e66 DS |
1227 | [TASK_PREFETCH] = { |
1228 | "prefetch", | |
1229 | maintenance_task_prefetch, | |
1230 | }, | |
252cfb7c DS |
1231 | [TASK_LOOSE_OBJECTS] = { |
1232 | "loose-objects", | |
1233 | maintenance_task_loose_objects, | |
3e220e60 | 1234 | loose_object_auto_condition, |
252cfb7c | 1235 | }, |
52fe41ff DS |
1236 | [TASK_INCREMENTAL_REPACK] = { |
1237 | "incremental-repack", | |
1238 | maintenance_task_incremental_repack, | |
e841a79a | 1239 | incremental_repack_auto_condition, |
52fe41ff | 1240 | }, |
3103e984 DS |
1241 | [TASK_GC] = { |
1242 | "gc", | |
1243 | maintenance_task_gc, | |
916d0626 | 1244 | need_to_gc, |
3103e984 DS |
1245 | 1, |
1246 | }, | |
663b2b1b DS |
1247 | [TASK_COMMIT_GRAPH] = { |
1248 | "commit-graph", | |
1249 | maintenance_task_commit_graph, | |
4ddc79b2 | 1250 | should_write_commit_graph, |
663b2b1b | 1251 | }, |
3103e984 DS |
1252 | }; |
1253 | ||
090511bc DS |
1254 | static int compare_tasks_by_selection(const void *a_, const void *b_) |
1255 | { | |
a1c74791 RS |
1256 | const struct maintenance_task *a = a_; |
1257 | const struct maintenance_task *b = b_; | |
090511bc DS |
1258 | |
1259 | return b->selected_order - a->selected_order; | |
1260 | } | |
1261 | ||
3103e984 DS |
1262 | static int maintenance_run_tasks(struct maintenance_run_opts *opts) |
1263 | { | |
090511bc | 1264 | int i, found_selected = 0; |
3103e984 | 1265 | int result = 0; |
d7514f6e DS |
1266 | struct lock_file lk; |
1267 | struct repository *r = the_repository; | |
1268 | char *lock_path = xstrfmt("%s/maintenance", r->objects->odb->path); | |
1269 | ||
1270 | if (hold_lock_file_for_update(&lk, lock_path, LOCK_NO_DEREF) < 0) { | |
1271 | /* | |
1272 | * Another maintenance command is running. | |
1273 | * | |
1274 | * If --auto was provided, then it is likely due to a | |
1275 | * recursive process stack. Do not report an error in | |
1276 | * that case. | |
1277 | */ | |
1278 | if (!opts->auto_flag && !opts->quiet) | |
1279 | warning(_("lock file '%s' exists, skipping maintenance"), | |
1280 | lock_path); | |
1281 | free(lock_path); | |
1282 | return 0; | |
1283 | } | |
1284 | free(lock_path); | |
3103e984 | 1285 | |
090511bc DS |
1286 | for (i = 0; !found_selected && i < TASK__COUNT; i++) |
1287 | found_selected = tasks[i].selected_order >= 0; | |
1288 | ||
1289 | if (found_selected) | |
1290 | QSORT(tasks, TASK__COUNT, compare_tasks_by_selection); | |
1291 | ||
3103e984 | 1292 | for (i = 0; i < TASK__COUNT; i++) { |
090511bc DS |
1293 | if (found_selected && tasks[i].selected_order < 0) |
1294 | continue; | |
1295 | ||
1296 | if (!found_selected && !tasks[i].enabled) | |
3103e984 DS |
1297 | continue; |
1298 | ||
916d0626 DS |
1299 | if (opts->auto_flag && |
1300 | (!tasks[i].auto_condition || | |
1301 | !tasks[i].auto_condition())) | |
1302 | continue; | |
1303 | ||
b08ff1fe DS |
1304 | if (opts->schedule && tasks[i].schedule < opts->schedule) |
1305 | continue; | |
1306 | ||
25914c4f | 1307 | trace2_region_enter("maintenance", tasks[i].name, r); |
3103e984 DS |
1308 | if (tasks[i].fn(opts)) { |
1309 | error(_("task '%s' failed"), tasks[i].name); | |
1310 | result = 1; | |
1311 | } | |
25914c4f | 1312 | trace2_region_leave("maintenance", tasks[i].name, r); |
3103e984 DS |
1313 | } |
1314 | ||
d7514f6e | 1315 | rollback_lock_file(&lk); |
3103e984 DS |
1316 | return result; |
1317 | } | |
1318 | ||
a4cb1a23 DS |
1319 | static void initialize_maintenance_strategy(void) |
1320 | { | |
1321 | char *config_str; | |
1322 | ||
1323 | if (git_config_get_string("maintenance.strategy", &config_str)) | |
1324 | return; | |
1325 | ||
1326 | if (!strcasecmp(config_str, "incremental")) { | |
1327 | tasks[TASK_GC].schedule = SCHEDULE_NONE; | |
1328 | tasks[TASK_COMMIT_GRAPH].enabled = 1; | |
1329 | tasks[TASK_COMMIT_GRAPH].schedule = SCHEDULE_HOURLY; | |
1330 | tasks[TASK_PREFETCH].enabled = 1; | |
1331 | tasks[TASK_PREFETCH].schedule = SCHEDULE_HOURLY; | |
1332 | tasks[TASK_INCREMENTAL_REPACK].enabled = 1; | |
1333 | tasks[TASK_INCREMENTAL_REPACK].schedule = SCHEDULE_DAILY; | |
1334 | tasks[TASK_LOOSE_OBJECTS].enabled = 1; | |
1335 | tasks[TASK_LOOSE_OBJECTS].schedule = SCHEDULE_DAILY; | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | static void initialize_task_config(int schedule) | |
65d655b5 DS |
1340 | { |
1341 | int i; | |
1342 | struct strbuf config_name = STRBUF_INIT; | |
916d0626 DS |
1343 | gc_config(); |
1344 | ||
a4cb1a23 DS |
1345 | if (schedule) |
1346 | initialize_maintenance_strategy(); | |
1347 | ||
65d655b5 DS |
1348 | for (i = 0; i < TASK__COUNT; i++) { |
1349 | int config_value; | |
b08ff1fe | 1350 | char *config_str; |
65d655b5 | 1351 | |
b08ff1fe | 1352 | strbuf_reset(&config_name); |
65d655b5 DS |
1353 | strbuf_addf(&config_name, "maintenance.%s.enabled", |
1354 | tasks[i].name); | |
1355 | ||
1356 | if (!git_config_get_bool(config_name.buf, &config_value)) | |
1357 | tasks[i].enabled = config_value; | |
b08ff1fe DS |
1358 | |
1359 | strbuf_reset(&config_name); | |
1360 | strbuf_addf(&config_name, "maintenance.%s.schedule", | |
1361 | tasks[i].name); | |
1362 | ||
1363 | if (!git_config_get_string(config_name.buf, &config_str)) { | |
1364 | tasks[i].schedule = parse_schedule(config_str); | |
1365 | free(config_str); | |
1366 | } | |
65d655b5 DS |
1367 | } |
1368 | ||
1369 | strbuf_release(&config_name); | |
1370 | } | |
1371 | ||
090511bc DS |
1372 | static int task_option_parse(const struct option *opt, |
1373 | const char *arg, int unset) | |
1374 | { | |
1375 | int i, num_selected = 0; | |
1376 | struct maintenance_task *task = NULL; | |
1377 | ||
1378 | BUG_ON_OPT_NEG(unset); | |
1379 | ||
1380 | for (i = 0; i < TASK__COUNT; i++) { | |
1381 | if (tasks[i].selected_order >= 0) | |
1382 | num_selected++; | |
1383 | if (!strcasecmp(tasks[i].name, arg)) { | |
1384 | task = &tasks[i]; | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | if (!task) { | |
1389 | error(_("'%s' is not a valid task"), arg); | |
1390 | return 1; | |
1391 | } | |
1392 | ||
1393 | if (task->selected_order >= 0) { | |
1394 | error(_("task '%s' cannot be selected multiple times"), arg); | |
1395 | return 1; | |
1396 | } | |
1397 | ||
1398 | task->selected_order = num_selected + 1; | |
1399 | ||
1400 | return 0; | |
1401 | } | |
1402 | ||
2057d750 DS |
1403 | static int maintenance_run(int argc, const char **argv, const char *prefix) |
1404 | { | |
090511bc | 1405 | int i; |
2057d750 DS |
1406 | struct maintenance_run_opts opts; |
1407 | struct option builtin_maintenance_run_options[] = { | |
1408 | OPT_BOOL(0, "auto", &opts.auto_flag, | |
1409 | N_("run tasks based on the state of the repository")), | |
b08ff1fe DS |
1410 | OPT_CALLBACK(0, "schedule", &opts.schedule, N_("frequency"), |
1411 | N_("run tasks based on frequency"), | |
1412 | maintenance_opt_schedule), | |
3ddaad0e DS |
1413 | OPT_BOOL(0, "quiet", &opts.quiet, |
1414 | N_("do not report progress or other information over stderr")), | |
090511bc DS |
1415 | OPT_CALLBACK_F(0, "task", NULL, N_("task"), |
1416 | N_("run a specific task"), | |
1417 | PARSE_OPT_NONEG, task_option_parse), | |
2057d750 DS |
1418 | OPT_END() |
1419 | }; | |
1420 | memset(&opts, 0, sizeof(opts)); | |
1421 | ||
3ddaad0e DS |
1422 | opts.quiet = !isatty(2); |
1423 | ||
090511bc DS |
1424 | for (i = 0; i < TASK__COUNT; i++) |
1425 | tasks[i].selected_order = -1; | |
1426 | ||
2057d750 DS |
1427 | argc = parse_options(argc, argv, prefix, |
1428 | builtin_maintenance_run_options, | |
1429 | builtin_maintenance_run_usage, | |
1430 | PARSE_OPT_STOP_AT_NON_OPTION); | |
1431 | ||
b08ff1fe DS |
1432 | if (opts.auto_flag && opts.schedule) |
1433 | die(_("use at most one of --auto and --schedule=<frequency>")); | |
1434 | ||
a4cb1a23 DS |
1435 | initialize_task_config(opts.schedule); |
1436 | ||
2057d750 DS |
1437 | if (argc != 0) |
1438 | usage_with_options(builtin_maintenance_run_usage, | |
1439 | builtin_maintenance_run_options); | |
3103e984 | 1440 | return maintenance_run_tasks(&opts); |
2057d750 DS |
1441 | } |
1442 | ||
0c18b700 DS |
1443 | static int maintenance_register(void) |
1444 | { | |
61f7a383 | 1445 | char *config_value; |
0c18b700 DS |
1446 | struct child_process config_set = CHILD_PROCESS_INIT; |
1447 | struct child_process config_get = CHILD_PROCESS_INIT; | |
1448 | ||
1449 | /* There is no current repository, so skip registering it */ | |
1450 | if (!the_repository || !the_repository->gitdir) | |
1451 | return 0; | |
1452 | ||
61f7a383 DS |
1453 | /* Disable foreground maintenance */ |
1454 | git_config_set("maintenance.auto", "false"); | |
1455 | ||
1456 | /* Set maintenance strategy, if unset */ | |
1457 | if (!git_config_get_string("maintenance.strategy", &config_value)) | |
1458 | free(config_value); | |
1459 | else | |
1460 | git_config_set("maintenance.strategy", "incremental"); | |
1461 | ||
0c18b700 | 1462 | config_get.git_cmd = 1; |
483a6d9b DS |
1463 | strvec_pushl(&config_get.args, "config", "--global", "--get", |
1464 | "--fixed-value", "maintenance.repo", | |
0c18b700 DS |
1465 | the_repository->worktree ? the_repository->worktree |
1466 | : the_repository->gitdir, | |
1467 | NULL); | |
1468 | config_get.out = -1; | |
1469 | ||
1470 | if (start_command(&config_get)) | |
1471 | return error(_("failed to run 'git config'")); | |
1472 | ||
1473 | /* We already have this value in our config! */ | |
1474 | if (!finish_command(&config_get)) | |
1475 | return 0; | |
1476 | ||
1477 | config_set.git_cmd = 1; | |
1478 | strvec_pushl(&config_set.args, "config", "--add", "--global", "maintenance.repo", | |
1479 | the_repository->worktree ? the_repository->worktree | |
1480 | : the_repository->gitdir, | |
1481 | NULL); | |
1482 | ||
1483 | return run_command(&config_set); | |
1484 | } | |
1485 | ||
1486 | static int maintenance_unregister(void) | |
1487 | { | |
1488 | struct child_process config_unset = CHILD_PROCESS_INIT; | |
1489 | ||
1490 | if (!the_repository || !the_repository->gitdir) | |
1491 | return error(_("no current repository to unregister")); | |
1492 | ||
1493 | config_unset.git_cmd = 1; | |
1494 | strvec_pushl(&config_unset.args, "config", "--global", "--unset", | |
483a6d9b | 1495 | "--fixed-value", "maintenance.repo", |
0c18b700 DS |
1496 | the_repository->worktree ? the_repository->worktree |
1497 | : the_repository->gitdir, | |
1498 | NULL); | |
1499 | ||
1500 | return run_command(&config_unset); | |
1501 | } | |
1502 | ||
2fec604f DS |
1503 | #define BEGIN_LINE "# BEGIN GIT MAINTENANCE SCHEDULE" |
1504 | #define END_LINE "# END GIT MAINTENANCE SCHEDULE" | |
1505 | ||
1506 | static int update_background_schedule(int run_maintenance) | |
1507 | { | |
1508 | int result = 0; | |
1509 | int in_old_region = 0; | |
1510 | struct child_process crontab_list = CHILD_PROCESS_INIT; | |
1511 | struct child_process crontab_edit = CHILD_PROCESS_INIT; | |
1512 | FILE *cron_list, *cron_in; | |
1513 | const char *crontab_name; | |
1514 | struct strbuf line = STRBUF_INIT; | |
1515 | struct lock_file lk; | |
1516 | char *lock_path = xstrfmt("%s/schedule", the_repository->objects->odb->path); | |
1517 | ||
1518 | if (hold_lock_file_for_update(&lk, lock_path, LOCK_NO_DEREF) < 0) | |
1519 | return error(_("another process is scheduling background maintenance")); | |
1520 | ||
1521 | crontab_name = getenv("GIT_TEST_CRONTAB"); | |
1522 | if (!crontab_name) | |
1523 | crontab_name = "crontab"; | |
1524 | ||
1525 | strvec_split(&crontab_list.args, crontab_name); | |
1526 | strvec_push(&crontab_list.args, "-l"); | |
1527 | crontab_list.in = -1; | |
1528 | crontab_list.out = dup(lk.tempfile->fd); | |
1529 | crontab_list.git_cmd = 0; | |
1530 | ||
1531 | if (start_command(&crontab_list)) { | |
1532 | result = error(_("failed to run 'crontab -l'; your system might not support 'cron'")); | |
1533 | goto cleanup; | |
1534 | } | |
1535 | ||
1536 | /* Ignore exit code, as an empty crontab will return error. */ | |
1537 | finish_command(&crontab_list); | |
1538 | ||
1539 | /* | |
1540 | * Read from the .lock file, filtering out the old | |
1541 | * schedule while appending the new schedule. | |
1542 | */ | |
1543 | cron_list = fdopen(lk.tempfile->fd, "r"); | |
1544 | rewind(cron_list); | |
1545 | ||
1546 | strvec_split(&crontab_edit.args, crontab_name); | |
1547 | crontab_edit.in = -1; | |
1548 | crontab_edit.git_cmd = 0; | |
1549 | ||
1550 | if (start_command(&crontab_edit)) { | |
1551 | result = error(_("failed to run 'crontab'; your system might not support 'cron'")); | |
1552 | goto cleanup; | |
1553 | } | |
1554 | ||
1555 | cron_in = fdopen(crontab_edit.in, "w"); | |
1556 | if (!cron_in) { | |
1557 | result = error(_("failed to open stdin of 'crontab'")); | |
1558 | goto done_editing; | |
1559 | } | |
1560 | ||
1561 | while (!strbuf_getline_lf(&line, cron_list)) { | |
1562 | if (!in_old_region && !strcmp(line.buf, BEGIN_LINE)) | |
1563 | in_old_region = 1; | |
1564 | if (in_old_region) | |
1565 | continue; | |
1566 | fprintf(cron_in, "%s\n", line.buf); | |
1567 | if (in_old_region && !strcmp(line.buf, END_LINE)) | |
1568 | in_old_region = 0; | |
1569 | } | |
1570 | ||
1571 | if (run_maintenance) { | |
1572 | struct strbuf line_format = STRBUF_INIT; | |
1573 | const char *exec_path = git_exec_path(); | |
1574 | ||
1575 | fprintf(cron_in, "%s\n", BEGIN_LINE); | |
1576 | fprintf(cron_in, | |
1577 | "# The following schedule was created by Git\n"); | |
1578 | fprintf(cron_in, "# Any edits made in this region might be\n"); | |
1579 | fprintf(cron_in, | |
1580 | "# replaced in the future by a Git command.\n\n"); | |
1581 | ||
1582 | strbuf_addf(&line_format, | |
1583 | "%%s %%s * * %%s \"%s/git\" --exec-path=\"%s\" for-each-repo --config=maintenance.repo maintenance run --schedule=%%s\n", | |
1584 | exec_path, exec_path); | |
1585 | fprintf(cron_in, line_format.buf, "0", "1-23", "*", "hourly"); | |
1586 | fprintf(cron_in, line_format.buf, "0", "0", "1-6", "daily"); | |
1587 | fprintf(cron_in, line_format.buf, "0", "0", "0", "weekly"); | |
1588 | strbuf_release(&line_format); | |
1589 | ||
1590 | fprintf(cron_in, "\n%s\n", END_LINE); | |
1591 | } | |
1592 | ||
1593 | fflush(cron_in); | |
1594 | fclose(cron_in); | |
1595 | close(crontab_edit.in); | |
1596 | ||
1597 | done_editing: | |
1598 | if (finish_command(&crontab_edit)) { | |
1599 | result = error(_("'crontab' died")); | |
1600 | goto cleanup; | |
1601 | } | |
1602 | fclose(cron_list); | |
1603 | ||
1604 | cleanup: | |
1605 | rollback_lock_file(&lk); | |
1606 | return result; | |
1607 | } | |
1608 | ||
1609 | static int maintenance_start(void) | |
1610 | { | |
1611 | if (maintenance_register()) | |
1612 | warning(_("failed to add repo to global config")); | |
1613 | ||
1614 | return update_background_schedule(1); | |
1615 | } | |
1616 | ||
1617 | static int maintenance_stop(void) | |
1618 | { | |
1619 | return update_background_schedule(0); | |
1620 | } | |
1621 | ||
0c18b700 | 1622 | static const char builtin_maintenance_usage[] = N_("git maintenance <subcommand> [<options>]"); |
2057d750 DS |
1623 | |
1624 | int cmd_maintenance(int argc, const char **argv, const char *prefix) | |
1625 | { | |
1626 | if (argc < 2 || | |
1627 | (argc == 2 && !strcmp(argv[1], "-h"))) | |
1628 | usage(builtin_maintenance_usage); | |
1629 | ||
1630 | if (!strcmp(argv[1], "run")) | |
1631 | return maintenance_run(argc - 1, argv + 1, prefix); | |
2fec604f DS |
1632 | if (!strcmp(argv[1], "start")) |
1633 | return maintenance_start(); | |
1634 | if (!strcmp(argv[1], "stop")) | |
1635 | return maintenance_stop(); | |
0c18b700 DS |
1636 | if (!strcmp(argv[1], "register")) |
1637 | return maintenance_register(); | |
1638 | if (!strcmp(argv[1], "unregister")) | |
1639 | return maintenance_unregister(); | |
2057d750 DS |
1640 | |
1641 | die(_("invalid subcommand: %s"), argv[1]); | |
1642 | } |