2 05118f5a 2021-06-22 stsp * Copyright (c) 2020 Stefan Sperling <stsp@openbsd.org>
4 05118f5a 2021-06-22 stsp * Permission to use, copy, modify, and distribute this software for any
5 05118f5a 2021-06-22 stsp * purpose with or without fee is hereby granted, provided that the above
6 05118f5a 2021-06-22 stsp * copyright notice and this permission notice appear in all copies.
8 05118f5a 2021-06-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 05118f5a 2021-06-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 05118f5a 2021-06-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 05118f5a 2021-06-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 05118f5a 2021-06-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 05118f5a 2021-06-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 05118f5a 2021-06-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
19 05118f5a 2021-06-22 stsp #include <sys/types.h>
20 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
21 05118f5a 2021-06-22 stsp #include <sys/uio.h>
22 05118f5a 2021-06-22 stsp #include <sys/stat.h>
23 05118f5a 2021-06-22 stsp #include <sys/socket.h>
24 05118f5a 2021-06-22 stsp #include <sys/wait.h>
26 05118f5a 2021-06-22 stsp #include <dirent.h>
27 05118f5a 2021-06-22 stsp #include <errno.h>
28 05118f5a 2021-06-22 stsp #include <fcntl.h>
29 05118f5a 2021-06-22 stsp #include <stdint.h>
30 05118f5a 2021-06-22 stsp #include <stdio.h>
31 05118f5a 2021-06-22 stsp #include <stdlib.h>
32 05118f5a 2021-06-22 stsp #include <string.h>
33 05118f5a 2021-06-22 stsp #include <limits.h>
34 05118f5a 2021-06-22 stsp #include <unistd.h>
36 05118f5a 2021-06-22 stsp #include "got_error.h"
37 05118f5a 2021-06-22 stsp #include "got_cancel.h"
38 05118f5a 2021-06-22 stsp #include "got_object.h"
39 05118f5a 2021-06-22 stsp #include "got_reference.h"
40 05118f5a 2021-06-22 stsp #include "got_repository.h"
41 05118f5a 2021-06-22 stsp #include "got_repository_admin.h"
42 05118f5a 2021-06-22 stsp #include "got_opentemp.h"
43 05118f5a 2021-06-22 stsp #include "got_path.h"
45 05118f5a 2021-06-22 stsp #include "got_lib_delta.h"
46 05118f5a 2021-06-22 stsp #include "got_lib_object.h"
47 b3d68e7f 2021-07-03 stsp #include "got_lib_object_idset.h"
48 05118f5a 2021-06-22 stsp #include "got_lib_object_cache.h"
49 05118f5a 2021-06-22 stsp #include "got_lib_pack.h"
50 05118f5a 2021-06-22 stsp #include "got_lib_privsep.h"
51 05118f5a 2021-06-22 stsp #include "got_lib_repository.h"
52 abd46894 2022-10-18 thomas #include "got_lib_ratelimit.h"
53 05118f5a 2021-06-22 stsp #include "got_lib_pack_create.h"
54 be288a59 2023-02-23 thomas #include "got_lib_hash.h"
55 b3d68e7f 2021-07-03 stsp #include "got_lib_lockfile.h"
57 05118f5a 2021-06-22 stsp #ifndef nitems
58 05118f5a 2021-06-22 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
61 05118f5a 2021-06-22 stsp static const struct got_error *
62 05118f5a 2021-06-22 stsp get_reflist_object_ids(struct got_object_id ***ids, int *nobjects,
63 05118f5a 2021-06-22 stsp unsigned int wanted_obj_type_mask, struct got_reflist_head *refs,
64 05118f5a 2021-06-22 stsp struct got_repository *repo,
65 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
67 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
68 05118f5a 2021-06-22 stsp const size_t alloc_chunksz = 256;
69 05118f5a 2021-06-22 stsp size_t nalloc;
70 05118f5a 2021-06-22 stsp struct got_reflist_entry *re;
73 05118f5a 2021-06-22 stsp *ids = NULL;
74 05118f5a 2021-06-22 stsp *nobjects = 0;
76 bd00a07c 2022-04-16 thomas err = got_reflist_sort(refs,
77 bd00a07c 2022-04-16 thomas got_ref_cmp_by_commit_timestamp_descending, repo);
79 bd00a07c 2022-04-16 thomas return err;
81 05118f5a 2021-06-22 stsp *ids = reallocarray(NULL, alloc_chunksz, sizeof(struct got_object_id *));
82 05118f5a 2021-06-22 stsp if (*ids == NULL)
83 05118f5a 2021-06-22 stsp return got_error_from_errno("reallocarray");
84 05118f5a 2021-06-22 stsp nalloc = alloc_chunksz;
86 05118f5a 2021-06-22 stsp TAILQ_FOREACH(re, refs, entry) {
87 05118f5a 2021-06-22 stsp struct got_object_id *id;
89 05118f5a 2021-06-22 stsp if (cancel_cb) {
90 05118f5a 2021-06-22 stsp err = cancel_cb(cancel_arg);
95 05118f5a 2021-06-22 stsp err = got_ref_resolve(&id, repo, re->ref);
99 05118f5a 2021-06-22 stsp if (wanted_obj_type_mask != GOT_OBJ_TYPE_ANY) {
100 05118f5a 2021-06-22 stsp int obj_type;
101 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
104 05118f5a 2021-06-22 stsp if ((wanted_obj_type_mask & (1 << obj_type)) == 0) {
111 ae23ce34 2021-07-01 stsp if (nalloc <= *nobjects) {
112 05118f5a 2021-06-22 stsp struct got_object_id **new;
113 05118f5a 2021-06-22 stsp new = recallocarray(*ids, nalloc,
114 05118f5a 2021-06-22 stsp nalloc + alloc_chunksz,
115 05118f5a 2021-06-22 stsp sizeof(struct got_object_id *));
116 05118f5a 2021-06-22 stsp if (new == NULL) {
117 05118f5a 2021-06-22 stsp err = got_error_from_errno(
118 05118f5a 2021-06-22 stsp "recallocarray");
121 05118f5a 2021-06-22 stsp *ids = new;
122 05118f5a 2021-06-22 stsp nalloc += alloc_chunksz;
124 05118f5a 2021-06-22 stsp (*ids)[*nobjects] = id;
125 05118f5a 2021-06-22 stsp if ((*ids)[*nobjects] == NULL) {
126 05118f5a 2021-06-22 stsp err = got_error_from_errno("got_object_id_dup");
129 05118f5a 2021-06-22 stsp (*nobjects)++;
133 05118f5a 2021-06-22 stsp for (i = 0; i < *nobjects; i++)
134 05118f5a 2021-06-22 stsp free((*ids)[i]);
135 05118f5a 2021-06-22 stsp free(*ids);
136 05118f5a 2021-06-22 stsp *ids = NULL;
137 05118f5a 2021-06-22 stsp *nobjects = 0;
139 05118f5a 2021-06-22 stsp return err;
142 05118f5a 2021-06-22 stsp const struct got_error *
143 05118f5a 2021-06-22 stsp got_repo_pack_objects(FILE **packfile, struct got_object_id **pack_hash,
144 05118f5a 2021-06-22 stsp struct got_reflist_head *include_refs,
145 05118f5a 2021-06-22 stsp struct got_reflist_head *exclude_refs, struct got_repository *repo,
146 d8253374 2023-02-17 thomas int loose_obj_only, int force_refdelta,
147 f9c2e8e5 2022-02-13 thomas got_pack_progress_cb progress_cb, void *progress_arg,
148 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
150 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
151 05118f5a 2021-06-22 stsp struct got_object_id **ours = NULL, **theirs = NULL;
152 05118f5a 2021-06-22 stsp int nours = 0, ntheirs = 0, packfd = -1, i;
153 05118f5a 2021-06-22 stsp char *tmpfile_path = NULL, *path = NULL, *packfile_path = NULL;
154 05118f5a 2021-06-22 stsp char *sha1_str = NULL;
155 05fa7118 2022-10-16 thomas FILE *delta_cache = NULL;
156 abd46894 2022-10-18 thomas struct got_ratelimit rl;
158 05118f5a 2021-06-22 stsp *packfile = NULL;
159 05118f5a 2021-06-22 stsp *pack_hash = NULL;
161 abd46894 2022-10-18 thomas got_ratelimit_init(&rl, 0, 500);
163 05118f5a 2021-06-22 stsp if (asprintf(&path, "%s/%s/packing.pack",
164 05118f5a 2021-06-22 stsp got_repo_get_path_git_dir(repo), GOT_OBJECTS_PACK_DIR) == -1) {
165 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
168 fc2a50f2 2022-11-01 thomas err = got_opentemp_named_fd(&tmpfile_path, &packfd, path, "");
172 851a5b48 2023-02-03 thomas if (fchmod(packfd, GOT_DEFAULT_PACK_MODE) == -1) {
173 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fchmod", tmpfile_path);
177 05fa7118 2022-10-16 thomas delta_cache = got_opentemp();
178 05fa7118 2022-10-16 thomas if (delta_cache == NULL) {
179 05fa7118 2022-10-16 thomas err = got_error_from_errno("got_opentemp");
180 05fa7118 2022-10-16 thomas goto done;
183 05118f5a 2021-06-22 stsp err = get_reflist_object_ids(&ours, &nours,
184 abc59930 2021-09-05 naddy (1 << GOT_OBJ_TYPE_COMMIT) | (1 << GOT_OBJ_TYPE_TAG),
185 abc59930 2021-09-05 naddy include_refs, repo, cancel_cb, cancel_arg);
189 05118f5a 2021-06-22 stsp if (nours == 0) {
190 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_CANNOT_PACK);
194 05118f5a 2021-06-22 stsp if (!TAILQ_EMPTY(exclude_refs)) {
195 05118f5a 2021-06-22 stsp err = get_reflist_object_ids(&theirs, &ntheirs,
196 abc59930 2021-09-05 naddy (1 << GOT_OBJ_TYPE_COMMIT) | (1 << GOT_OBJ_TYPE_TAG),
197 abc59930 2021-09-05 naddy exclude_refs, repo,
198 abc59930 2021-09-05 naddy cancel_cb, cancel_arg);
203 05118f5a 2021-06-22 stsp *pack_hash = calloc(1, sizeof(**pack_hash));
204 05118f5a 2021-06-22 stsp if (*pack_hash == NULL) {
205 05118f5a 2021-06-22 stsp err = got_error_from_errno("calloc");
209 05fa7118 2022-10-16 thomas err = got_pack_create((*pack_hash)->sha1, packfd, delta_cache,
210 d8253374 2023-02-17 thomas theirs, ntheirs, ours, nours, repo, loose_obj_only,
211 d8253374 2023-02-17 thomas 0, force_refdelta, progress_cb, progress_arg, &rl,
212 d8253374 2023-02-17 thomas cancel_cb, cancel_arg);
216 05118f5a 2021-06-22 stsp err = got_object_id_str(&sha1_str, *pack_hash);
219 05118f5a 2021-06-22 stsp if (asprintf(&packfile_path, "%s/%s/pack-%s.pack",
220 05118f5a 2021-06-22 stsp got_repo_get_path_git_dir(repo), GOT_OBJECTS_PACK_DIR,
221 05118f5a 2021-06-22 stsp sha1_str) == -1) {
222 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
226 20a7d452 2022-10-16 thomas if (lseek(packfd, 0L, SEEK_SET) == -1) {
227 20a7d452 2022-10-16 thomas err = got_error_from_errno("lseek");
230 05118f5a 2021-06-22 stsp if (rename(tmpfile_path, packfile_path) == -1) {
231 05118f5a 2021-06-22 stsp err = got_error_from_errno3("rename", tmpfile_path,
232 05118f5a 2021-06-22 stsp packfile_path);
235 05118f5a 2021-06-22 stsp free(tmpfile_path);
236 05118f5a 2021-06-22 stsp tmpfile_path = NULL;
238 20a7d452 2022-10-16 thomas *packfile = fdopen(packfd, "w");
239 20a7d452 2022-10-16 thomas if (*packfile == NULL) {
240 20a7d452 2022-10-16 thomas err = got_error_from_errno2("fdopen", tmpfile_path);
241 20a7d452 2022-10-16 thomas goto done;
243 20a7d452 2022-10-16 thomas packfd = -1;
245 05118f5a 2021-06-22 stsp for (i = 0; i < nours; i++)
246 05118f5a 2021-06-22 stsp free(ours[i]);
247 05118f5a 2021-06-22 stsp free(ours);
248 05118f5a 2021-06-22 stsp for (i = 0; i < ntheirs; i++)
249 05118f5a 2021-06-22 stsp free(theirs[i]);
250 05118f5a 2021-06-22 stsp free(theirs);
251 05118f5a 2021-06-22 stsp if (packfd != -1 && close(packfd) == -1 && err == NULL)
252 05118f5a 2021-06-22 stsp err = got_error_from_errno2("close", packfile_path);
253 05fa7118 2022-10-16 thomas if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
254 05fa7118 2022-10-16 thomas err = got_error_from_errno("fclose");
255 05118f5a 2021-06-22 stsp if (tmpfile_path && unlink(tmpfile_path) == -1 && err == NULL)
256 05118f5a 2021-06-22 stsp err = got_error_from_errno2("unlink", tmpfile_path);
257 05118f5a 2021-06-22 stsp free(tmpfile_path);
258 05118f5a 2021-06-22 stsp free(packfile_path);
259 05118f5a 2021-06-22 stsp free(sha1_str);
260 05118f5a 2021-06-22 stsp free(path);
262 05118f5a 2021-06-22 stsp free(*pack_hash);
263 05118f5a 2021-06-22 stsp *pack_hash = NULL;
264 05118f5a 2021-06-22 stsp if (*packfile)
265 05118f5a 2021-06-22 stsp fclose(*packfile);
266 05118f5a 2021-06-22 stsp *packfile = NULL;
268 05118f5a 2021-06-22 stsp return err;
271 05118f5a 2021-06-22 stsp const struct got_error *
272 05118f5a 2021-06-22 stsp got_repo_index_pack(FILE *packfile, struct got_object_id *pack_hash,
273 05118f5a 2021-06-22 stsp struct got_repository *repo,
274 05118f5a 2021-06-22 stsp got_pack_index_progress_cb progress_cb, void *progress_arg,
275 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
278 05118f5a 2021-06-22 stsp char *path;
279 05118f5a 2021-06-22 stsp int imsg_idxfds[2];
280 05118f5a 2021-06-22 stsp int npackfd = -1, idxfd = -1, nidxfd = -1;
281 05118f5a 2021-06-22 stsp int tmpfds[3];
282 05118f5a 2021-06-22 stsp int idxstatus, done = 0;
283 05118f5a 2021-06-22 stsp const struct got_error *err;
284 05118f5a 2021-06-22 stsp struct imsgbuf idxibuf;
285 05118f5a 2021-06-22 stsp pid_t idxpid;
286 05118f5a 2021-06-22 stsp char *tmpidxpath = NULL;
287 05118f5a 2021-06-22 stsp char *packfile_path = NULL, *idxpath = NULL, *id_str = NULL;
288 05118f5a 2021-06-22 stsp const char *repo_path = got_repo_get_path_git_dir(repo);
289 05118f5a 2021-06-22 stsp struct stat sb;
291 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++)
292 05118f5a 2021-06-22 stsp tmpfds[i] = -1;
294 05118f5a 2021-06-22 stsp if (asprintf(&path, "%s/%s/indexing.idx",
295 05118f5a 2021-06-22 stsp repo_path, GOT_OBJECTS_PACK_DIR) == -1) {
296 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
299 fc2a50f2 2022-11-01 thomas err = got_opentemp_named_fd(&tmpidxpath, &idxfd, path, "");
300 05118f5a 2021-06-22 stsp free(path);
303 851a5b48 2023-02-03 thomas if (fchmod(idxfd, GOT_DEFAULT_PACK_MODE) == -1) {
304 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fchmod", tmpidxpath);
308 05118f5a 2021-06-22 stsp nidxfd = dup(idxfd);
309 05118f5a 2021-06-22 stsp if (nidxfd == -1) {
310 05118f5a 2021-06-22 stsp err = got_error_from_errno("dup");
314 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++) {
315 05118f5a 2021-06-22 stsp tmpfds[i] = got_opentempfd();
316 05118f5a 2021-06-22 stsp if (tmpfds[i] == -1) {
317 05118f5a 2021-06-22 stsp err = got_error_from_errno("got_opentempfd");
322 05118f5a 2021-06-22 stsp err = got_object_id_str(&id_str, pack_hash);
326 05118f5a 2021-06-22 stsp if (asprintf(&packfile_path, "%s/%s/pack-%s.pack",
327 05118f5a 2021-06-22 stsp repo_path, GOT_OBJECTS_PACK_DIR, id_str) == -1) {
328 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
332 05118f5a 2021-06-22 stsp if (fstat(fileno(packfile), &sb) == -1) {
333 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fstat", packfile_path);
337 05118f5a 2021-06-22 stsp if (asprintf(&idxpath, "%s/%s/pack-%s.idx",
338 05118f5a 2021-06-22 stsp repo_path, GOT_OBJECTS_PACK_DIR, id_str) == -1) {
339 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
343 05118f5a 2021-06-22 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_idxfds) == -1) {
344 05118f5a 2021-06-22 stsp err = got_error_from_errno("socketpair");
347 05118f5a 2021-06-22 stsp idxpid = fork();
348 05118f5a 2021-06-22 stsp if (idxpid == -1) {
349 05118f5a 2021-06-22 stsp err= got_error_from_errno("fork");
351 05118f5a 2021-06-22 stsp } else if (idxpid == 0)
352 05118f5a 2021-06-22 stsp got_privsep_exec_child(imsg_idxfds,
353 05118f5a 2021-06-22 stsp GOT_PATH_PROG_INDEX_PACK, packfile_path);
354 05118f5a 2021-06-22 stsp if (close(imsg_idxfds[1]) == -1) {
355 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
358 05118f5a 2021-06-22 stsp imsg_init(&idxibuf, imsg_idxfds[0]);
360 05118f5a 2021-06-22 stsp npackfd = dup(fileno(packfile));
361 05118f5a 2021-06-22 stsp if (npackfd == -1) {
362 05118f5a 2021-06-22 stsp err = got_error_from_errno("dup");
365 05118f5a 2021-06-22 stsp err = got_privsep_send_index_pack_req(&idxibuf, pack_hash->sha1,
367 05118f5a 2021-06-22 stsp if (err != NULL)
369 05118f5a 2021-06-22 stsp npackfd = -1;
370 05118f5a 2021-06-22 stsp err = got_privsep_send_index_pack_outfd(&idxibuf, nidxfd);
371 05118f5a 2021-06-22 stsp if (err != NULL)
373 05118f5a 2021-06-22 stsp nidxfd = -1;
374 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++) {
375 05118f5a 2021-06-22 stsp err = got_privsep_send_tmpfd(&idxibuf, tmpfds[i]);
376 05118f5a 2021-06-22 stsp if (err != NULL)
378 05118f5a 2021-06-22 stsp tmpfds[i] = -1;
381 05118f5a 2021-06-22 stsp while (!done) {
382 05118f5a 2021-06-22 stsp int nobj_total, nobj_indexed, nobj_loose, nobj_resolved;
384 05118f5a 2021-06-22 stsp if (cancel_cb) {
385 05118f5a 2021-06-22 stsp err = cancel_cb(cancel_arg);
390 05118f5a 2021-06-22 stsp err = got_privsep_recv_index_progress(&done, &nobj_total,
391 05118f5a 2021-06-22 stsp &nobj_indexed, &nobj_loose, &nobj_resolved,
393 05118f5a 2021-06-22 stsp if (err != NULL)
395 05118f5a 2021-06-22 stsp if (nobj_indexed != 0) {
396 05118f5a 2021-06-22 stsp err = progress_cb(progress_arg, sb.st_size,
397 05118f5a 2021-06-22 stsp nobj_total, nobj_indexed, nobj_loose,
398 05118f5a 2021-06-22 stsp nobj_resolved);
403 05118f5a 2021-06-22 stsp if (close(imsg_idxfds[0]) == -1) {
404 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
407 05118f5a 2021-06-22 stsp if (waitpid(idxpid, &idxstatus, 0) == -1) {
408 05118f5a 2021-06-22 stsp err = got_error_from_errno("waitpid");
412 05118f5a 2021-06-22 stsp if (rename(tmpidxpath, idxpath) == -1) {
413 05118f5a 2021-06-22 stsp err = got_error_from_errno3("rename", tmpidxpath, idxpath);
416 05118f5a 2021-06-22 stsp free(tmpidxpath);
417 05118f5a 2021-06-22 stsp tmpidxpath = NULL;
420 05118f5a 2021-06-22 stsp if (tmpidxpath && unlink(tmpidxpath) == -1 && err == NULL)
421 05118f5a 2021-06-22 stsp err = got_error_from_errno2("unlink", tmpidxpath);
422 05118f5a 2021-06-22 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
423 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
424 05118f5a 2021-06-22 stsp if (idxfd != -1 && close(idxfd) == -1 && err == NULL)
425 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
426 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++) {
427 05118f5a 2021-06-22 stsp if (tmpfds[i] != -1 && close(tmpfds[i]) == -1 && err == NULL)
428 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
430 05118f5a 2021-06-22 stsp free(tmpidxpath);
431 05118f5a 2021-06-22 stsp free(idxpath);
432 05118f5a 2021-06-22 stsp free(packfile_path);
433 05118f5a 2021-06-22 stsp return err;
436 05118f5a 2021-06-22 stsp const struct got_error *
437 05118f5a 2021-06-22 stsp got_repo_find_pack(FILE **packfile, struct got_object_id **pack_hash,
438 05118f5a 2021-06-22 stsp struct got_repository *repo, const char *packfile_path)
440 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
441 05118f5a 2021-06-22 stsp const char *packdir_path = NULL;
442 05118f5a 2021-06-22 stsp char *packfile_name = NULL, *p, *dot;
443 05118f5a 2021-06-22 stsp struct got_object_id id;
444 05118f5a 2021-06-22 stsp int packfd = -1;
446 05118f5a 2021-06-22 stsp *packfile = NULL;
447 05118f5a 2021-06-22 stsp *pack_hash = NULL;
449 05118f5a 2021-06-22 stsp packdir_path = got_repo_get_path_objects_pack(repo);
450 05118f5a 2021-06-22 stsp if (packdir_path == NULL)
451 05118f5a 2021-06-22 stsp return got_error_from_errno("got_repo_get_path_objects_pack");
453 05118f5a 2021-06-22 stsp if (!got_path_is_child(packfile_path, packdir_path,
454 05118f5a 2021-06-22 stsp strlen(packdir_path))) {
455 05118f5a 2021-06-22 stsp err = got_error_path(packfile_path, GOT_ERR_BAD_PATH);
460 05118f5a 2021-06-22 stsp err = got_path_basename(&packfile_name, packfile_path);
463 05118f5a 2021-06-22 stsp p = packfile_name;
465 05118f5a 2021-06-22 stsp if (strncmp(p, "pack-", 5) != 0) {
466 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
467 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
468 abc59930 2021-09-05 naddy packfile_name);
472 05118f5a 2021-06-22 stsp dot = strchr(p, '.');
473 05118f5a 2021-06-22 stsp if (dot == NULL) {
474 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
475 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
476 abc59930 2021-09-05 naddy packfile_name);
479 05118f5a 2021-06-22 stsp if (strcmp(dot + 1, "pack") != 0) {
480 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
481 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
482 abc59930 2021-09-05 naddy packfile_name);
485 05118f5a 2021-06-22 stsp *dot = '\0';
486 f4204d57 2023-03-01 thomas if (!got_parse_object_id(&id, p, repo->algo)) {
487 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
488 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
489 abc59930 2021-09-05 naddy packfile_name);
493 05118f5a 2021-06-22 stsp *pack_hash = got_object_id_dup(&id);
494 05118f5a 2021-06-22 stsp if (*pack_hash == NULL) {
495 05118f5a 2021-06-22 stsp err = got_error_from_errno("got_object_id_dup");
499 06340621 2021-12-31 thomas packfd = open(packfile_path, O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
500 05118f5a 2021-06-22 stsp if (packfd == -1) {
501 05118f5a 2021-06-22 stsp err = got_error_from_errno2("open", packfile_path);
505 05118f5a 2021-06-22 stsp *packfile = fdopen(packfd, "r");
506 05118f5a 2021-06-22 stsp if (*packfile == NULL) {
507 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fdopen", packfile_path);
510 05118f5a 2021-06-22 stsp packfd = -1;
512 05118f5a 2021-06-22 stsp if (packfd != -1 && close(packfd) == -1 && err == NULL)
513 05118f5a 2021-06-22 stsp err = got_error_from_errno2("close", packfile_path);
514 05118f5a 2021-06-22 stsp free(packfile_name);
516 05118f5a 2021-06-22 stsp free(*pack_hash);
517 05118f5a 2021-06-22 stsp *pack_hash = NULL;
519 05118f5a 2021-06-22 stsp return err;
522 05118f5a 2021-06-22 stsp const struct got_error *
523 05118f5a 2021-06-22 stsp got_repo_list_pack(FILE *packfile, struct got_object_id *pack_hash,
524 05118f5a 2021-06-22 stsp struct got_repository *repo, got_pack_list_cb list_cb, void *list_arg,
525 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
527 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
528 05118f5a 2021-06-22 stsp char *id_str = NULL, *idxpath = NULL, *packpath = NULL;
529 05118f5a 2021-06-22 stsp struct got_packidx *packidx = NULL;
530 05118f5a 2021-06-22 stsp struct got_pack *pack = NULL;
531 05118f5a 2021-06-22 stsp uint32_t nobj, i;
533 05118f5a 2021-06-22 stsp err = got_object_id_str(&id_str, pack_hash);
537 05118f5a 2021-06-22 stsp if (asprintf(&packpath, "%s/pack-%s.pack",
538 05118f5a 2021-06-22 stsp GOT_OBJECTS_PACK_DIR, id_str) == -1) {
539 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
542 05118f5a 2021-06-22 stsp if (asprintf(&idxpath, "%s/pack-%s.idx",
543 05118f5a 2021-06-22 stsp GOT_OBJECTS_PACK_DIR, id_str) == -1) {
544 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
548 05118f5a 2021-06-22 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo), idxpath, 1);
552 05118f5a 2021-06-22 stsp err = got_repo_cache_pack(&pack, repo, packpath, packidx);
556 05118f5a 2021-06-22 stsp nobj = be32toh(packidx->hdr.fanout_table[0xff]);
557 05118f5a 2021-06-22 stsp for (i = 0; i < nobj; i++) {
558 05118f5a 2021-06-22 stsp struct got_packidx_object_id *oid;
559 05118f5a 2021-06-22 stsp struct got_object_id id, base_id;
560 05118f5a 2021-06-22 stsp off_t offset, base_offset = 0;
561 05118f5a 2021-06-22 stsp uint8_t type;
562 05118f5a 2021-06-22 stsp uint64_t size;
563 05118f5a 2021-06-22 stsp size_t tslen, len;
565 05118f5a 2021-06-22 stsp if (cancel_cb) {
566 05118f5a 2021-06-22 stsp err = cancel_cb(cancel_arg);
570 05118f5a 2021-06-22 stsp oid = &packidx->hdr.sorted_ids[i];
571 05118f5a 2021-06-22 stsp memcpy(id.sha1, oid->sha1, SHA1_DIGEST_LENGTH);
573 05118f5a 2021-06-22 stsp offset = got_packidx_get_object_offset(packidx, i);
574 05118f5a 2021-06-22 stsp if (offset == -1) {
575 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_BAD_PACKIDX);
579 05118f5a 2021-06-22 stsp err = got_pack_parse_object_type_and_size(&type, &size, &tslen,
580 05118f5a 2021-06-22 stsp pack, offset);
584 05118f5a 2021-06-22 stsp switch (type) {
585 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_OFFSET_DELTA:
586 05118f5a 2021-06-22 stsp err = got_pack_parse_offset_delta(&base_offset, &len,
587 05118f5a 2021-06-22 stsp pack, offset, tslen);
591 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_REF_DELTA:
592 05118f5a 2021-06-22 stsp err = got_pack_parse_ref_delta(&base_id,
593 05118f5a 2021-06-22 stsp pack, offset, tslen);
598 05118f5a 2021-06-22 stsp err = (*list_cb)(list_arg, &id, type, offset, size,
599 05118f5a 2021-06-22 stsp base_offset, &base_id);
605 05118f5a 2021-06-22 stsp free(id_str);
606 05118f5a 2021-06-22 stsp free(idxpath);
607 05118f5a 2021-06-22 stsp free(packpath);
608 05118f5a 2021-06-22 stsp if (packidx)
609 05118f5a 2021-06-22 stsp got_packidx_close(packidx);
610 b3d68e7f 2021-07-03 stsp return err;
613 e81b604b 2023-06-22 thomas const struct got_error *
614 e81b604b 2023-06-22 thomas got_repo_cleanup_prepare(struct got_repository *repo,
615 e81b604b 2023-06-22 thomas struct got_lockfile **lk)
617 e81b604b 2023-06-22 thomas const struct got_error *err;
618 cf7804ed 2023-06-25 thomas char myname[_POSIX_HOST_NAME_MAX + 1];
620 e81b604b 2023-06-22 thomas if (gethostname(myname, sizeof(myname)) == -1)
621 e81b604b 2023-06-22 thomas return got_error_from_errno("gethostname");
623 e81b604b 2023-06-22 thomas err = got_lockfile_lock(lk, "gc.pid", got_repo_get_fd(repo));
625 e81b604b 2023-06-22 thomas return err;
628 e81b604b 2023-06-22 thomas * Git uses these info to provide some verbiage when finds a
629 e81b604b 2023-06-22 thomas * lock during `git gc --force' so don't try too hard to avoid
630 e81b604b 2023-06-22 thomas * short writes and don't care if a race happens between the
631 e81b604b 2023-06-22 thomas * lockfile creation and the write itself.
633 e81b604b 2023-06-22 thomas if (dprintf((*lk)->fd, "%d %s", getpid(), myname) < 0)
634 e81b604b 2023-06-22 thomas return got_error_from_errno("dprintf");
636 e81b604b 2023-06-22 thomas return NULL;
639 e81b604b 2023-06-22 thomas const struct got_error *
640 e81b604b 2023-06-22 thomas got_repo_cleanup_complete(struct got_repository *repo,
641 e81b604b 2023-06-22 thomas struct got_lockfile *lk)
643 e81b604b 2023-06-22 thomas if (lk == NULL)
644 e81b604b 2023-06-22 thomas return NULL;
646 e81b604b 2023-06-22 thomas return got_lockfile_unlock(lk, got_repo_get_fd(repo));
649 b3d68e7f 2021-07-03 stsp static const struct got_error *
650 31ba2236 2022-01-05 thomas report_cleanup_progress(got_cleanup_progress_cb progress_cb,
651 31ba2236 2022-01-05 thomas void *progress_arg, struct got_ratelimit *rl,
652 f116c762 2023-06-25 thomas int nloose, int ncommits, int npurged, int nredundant)
654 31ba2236 2022-01-05 thomas const struct got_error *err;
655 31ba2236 2022-01-05 thomas int elapsed;
657 31ba2236 2022-01-05 thomas if (progress_cb == NULL)
658 31ba2236 2022-01-05 thomas return NULL;
660 31ba2236 2022-01-05 thomas err = got_ratelimit_check(&elapsed, rl);
661 31ba2236 2022-01-05 thomas if (err || !elapsed)
662 31ba2236 2022-01-05 thomas return err;
664 f116c762 2023-06-25 thomas return progress_cb(progress_arg, nloose, ncommits, npurged, nredundant);
667 31ba2236 2022-01-05 thomas static const struct got_error *
668 b3d68e7f 2021-07-03 stsp get_loose_object_ids(struct got_object_idset **loose_ids, off_t *ondisk_size,
669 b3d68e7f 2021-07-03 stsp got_cleanup_progress_cb progress_cb, void *progress_arg,
670 31ba2236 2022-01-05 thomas struct got_ratelimit *rl, struct got_repository *repo)
672 b3d68e7f 2021-07-03 stsp const struct got_error *err = NULL;
673 b3d68e7f 2021-07-03 stsp char *path_objects = NULL, *path = NULL;
674 b3d68e7f 2021-07-03 stsp DIR *dir = NULL;
675 b3d68e7f 2021-07-03 stsp struct got_object *obj = NULL;
676 b3d68e7f 2021-07-03 stsp struct got_object_id id;
677 b3d68e7f 2021-07-03 stsp int i, fd = -1;
678 b3d68e7f 2021-07-03 stsp struct stat sb;
680 b3d68e7f 2021-07-03 stsp *ondisk_size = 0;
681 b3d68e7f 2021-07-03 stsp *loose_ids = got_object_idset_alloc();
682 b3d68e7f 2021-07-03 stsp if (*loose_ids == NULL)
683 b3d68e7f 2021-07-03 stsp return got_error_from_errno("got_object_idset_alloc");
685 b3d68e7f 2021-07-03 stsp path_objects = got_repo_get_path_objects(repo);
686 b3d68e7f 2021-07-03 stsp if (path_objects == NULL) {
687 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("got_repo_get_path_objects");
691 b3d68e7f 2021-07-03 stsp for (i = 0; i <= 0xff; i++) {
692 b3d68e7f 2021-07-03 stsp struct dirent *dent;
694 b3d68e7f 2021-07-03 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
695 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("asprintf");
699 b3d68e7f 2021-07-03 stsp dir = opendir(path);
700 b3d68e7f 2021-07-03 stsp if (dir == NULL) {
701 b3d68e7f 2021-07-03 stsp if (errno == ENOENT) {
702 b3d68e7f 2021-07-03 stsp err = NULL;
705 b3d68e7f 2021-07-03 stsp err = got_error_from_errno2("opendir", path);
709 b3d68e7f 2021-07-03 stsp while ((dent = readdir(dir)) != NULL) {
710 b3d68e7f 2021-07-03 stsp char *id_str;
712 b3d68e7f 2021-07-03 stsp if (strcmp(dent->d_name, ".") == 0 ||
713 b3d68e7f 2021-07-03 stsp strcmp(dent->d_name, "..") == 0)
716 b3d68e7f 2021-07-03 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
717 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("asprintf");
721 f4204d57 2023-03-01 thomas if (!got_parse_object_id(&id, id_str, repo->algo)) {
722 b3d68e7f 2021-07-03 stsp free(id_str);
725 b3d68e7f 2021-07-03 stsp free(id_str);
727 b3d68e7f 2021-07-03 stsp err = got_object_open_loose_fd(&fd, &id, repo);
730 b3d68e7f 2021-07-03 stsp if (fstat(fd, &sb) == -1) {
731 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("fstat");
734 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(&obj, &id, repo,
738 b3d68e7f 2021-07-03 stsp fd = -1; /* already closed */
740 b3d68e7f 2021-07-03 stsp switch (obj->type) {
741 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_COMMIT:
742 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TREE:
743 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_BLOB:
744 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TAG:
747 b3d68e7f 2021-07-03 stsp err = got_error_fmt(GOT_ERR_OBJ_TYPE,
748 b3d68e7f 2021-07-03 stsp "%d", obj->type);
751 b3d68e7f 2021-07-03 stsp got_object_close(obj);
752 b3d68e7f 2021-07-03 stsp obj = NULL;
753 b3d68e7f 2021-07-03 stsp (*ondisk_size) += sb.st_size;
754 b3d68e7f 2021-07-03 stsp err = got_object_idset_add(*loose_ids, &id, NULL);
757 31ba2236 2022-01-05 thomas err = report_cleanup_progress(progress_cb,
758 31ba2236 2022-01-05 thomas progress_arg, rl,
759 f116c762 2023-06-25 thomas got_object_idset_num_elements(*loose_ids),
760 f116c762 2023-06-25 thomas -1, -1, -1);
762 31ba2236 2022-01-05 thomas goto done;
765 b3d68e7f 2021-07-03 stsp if (closedir(dir) != 0) {
766 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("closedir");
769 b3d68e7f 2021-07-03 stsp dir = NULL;
771 b3d68e7f 2021-07-03 stsp free(path);
772 b3d68e7f 2021-07-03 stsp path = NULL;
775 b3d68e7f 2021-07-03 stsp if (dir && closedir(dir) != 0 && err == NULL)
776 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("closedir");
777 b3d68e7f 2021-07-03 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
778 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("close");
780 b3d68e7f 2021-07-03 stsp got_object_idset_free(*loose_ids);
781 b3d68e7f 2021-07-03 stsp *loose_ids = NULL;
784 b3d68e7f 2021-07-03 stsp got_object_close(obj);
785 b3d68e7f 2021-07-03 stsp free(path_objects);
786 b3d68e7f 2021-07-03 stsp free(path);
787 b3d68e7f 2021-07-03 stsp return err;
790 b3d68e7f 2021-07-03 stsp static const struct got_error *
791 b3d68e7f 2021-07-03 stsp preserve_loose_object(struct got_object_idset *loose_ids,
792 b3d68e7f 2021-07-03 stsp struct got_object_id *id, struct got_repository *repo, int *npacked)
794 b3d68e7f 2021-07-03 stsp const struct got_error *err = NULL;
795 9614da0d 2021-07-04 stsp struct got_object *obj;
797 b3d68e7f 2021-07-03 stsp if (!got_object_idset_contains(loose_ids, id))
798 b3d68e7f 2021-07-03 stsp return NULL;
801 9614da0d 2021-07-04 stsp * Try to open this object from a pack file. This ensures that
802 9614da0d 2021-07-04 stsp * we do in fact have a valid packed copy of the object. Otherwise
803 9614da0d 2021-07-04 stsp * we should not delete the loose representation of this object.
805 abc59930 2021-09-05 naddy err = got_object_open_packed(&obj, id, repo);
806 abc59930 2021-09-05 naddy if (err == NULL) {
807 9614da0d 2021-07-04 stsp got_object_close(obj);
809 9614da0d 2021-07-04 stsp * The object is referenced and packed.
810 9614da0d 2021-07-04 stsp * We can purge the redundantly stored loose object.
812 9614da0d 2021-07-04 stsp (*npacked)++;
813 9614da0d 2021-07-04 stsp return NULL;
814 9614da0d 2021-07-04 stsp } else if (err->code != GOT_ERR_NO_OBJ)
815 9614da0d 2021-07-04 stsp return err;
818 b3d68e7f 2021-07-03 stsp * This object is referenced and not packed.
819 b3d68e7f 2021-07-03 stsp * Remove it from our purge set.
821 b3d68e7f 2021-07-03 stsp return got_object_idset_remove(NULL, loose_ids, id);
824 b3d68e7f 2021-07-03 stsp static const struct got_error *
825 b3d68e7f 2021-07-03 stsp load_tree_entries(struct got_object_id_queue *ids,
826 b3d68e7f 2021-07-03 stsp struct got_object_idset *loose_ids,
827 b3d68e7f 2021-07-03 stsp struct got_object_idset *traversed_ids, struct got_object_id *tree_id,
828 b3d68e7f 2021-07-03 stsp const char *dpath, struct got_repository *repo, int *npacked,
829 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
831 b3d68e7f 2021-07-03 stsp const struct got_error *err;
832 b3d68e7f 2021-07-03 stsp struct got_tree_object *tree;
833 b3d68e7f 2021-07-03 stsp char *p = NULL;
836 b3d68e7f 2021-07-03 stsp err = got_object_open_as_tree(&tree, repo, tree_id);
838 b3d68e7f 2021-07-03 stsp return err;
840 b3d68e7f 2021-07-03 stsp for (i = 0; i < got_object_tree_get_nentries(tree); i++) {
841 b3d68e7f 2021-07-03 stsp struct got_tree_entry *e = got_object_tree_get_entry(tree, i);
842 b3d68e7f 2021-07-03 stsp struct got_object_id *id = got_tree_entry_get_id(e);
843 b3d68e7f 2021-07-03 stsp mode_t mode = got_tree_entry_get_mode(e);
845 b3d68e7f 2021-07-03 stsp if (cancel_cb) {
846 b3d68e7f 2021-07-03 stsp err = (*cancel_cb)(cancel_arg);
851 b3d68e7f 2021-07-03 stsp if (got_object_tree_entry_is_symlink(e) ||
852 b3d68e7f 2021-07-03 stsp got_object_tree_entry_is_submodule(e) ||
853 b3d68e7f 2021-07-03 stsp got_object_idset_contains(traversed_ids, id))
856 b3d68e7f 2021-07-03 stsp if (asprintf(&p, "%s%s%s", dpath, dpath[0] != '\0' ? "/" : "",
857 b3d68e7f 2021-07-03 stsp got_tree_entry_get_name(e)) == -1) {
858 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("asprintf");
862 b3d68e7f 2021-07-03 stsp if (S_ISDIR(mode)) {
863 b3d68e7f 2021-07-03 stsp struct got_object_qid *qid;
864 b3d68e7f 2021-07-03 stsp err = got_object_qid_alloc(&qid, id);
867 b3d68e7f 2021-07-03 stsp STAILQ_INSERT_TAIL(ids, qid, entry);
868 b3d68e7f 2021-07-03 stsp } else if (S_ISREG(mode)) {
869 b3d68e7f 2021-07-03 stsp /* This blob is referenced. */
870 b3d68e7f 2021-07-03 stsp err = preserve_loose_object(loose_ids, id, repo,
874 b3d68e7f 2021-07-03 stsp err = got_object_idset_add(traversed_ids, id, NULL);
882 b3d68e7f 2021-07-03 stsp got_object_tree_close(tree);
884 b3d68e7f 2021-07-03 stsp return err;
887 b3d68e7f 2021-07-03 stsp static const struct got_error *
888 b3d68e7f 2021-07-03 stsp load_tree(struct got_object_idset *loose_ids,
889 b3d68e7f 2021-07-03 stsp struct got_object_idset *traversed_ids, struct got_object_id *tree_id,
890 b3d68e7f 2021-07-03 stsp const char *dpath, struct got_repository *repo, int *npacked,
891 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
893 b3d68e7f 2021-07-03 stsp const struct got_error *err = NULL;
894 b3d68e7f 2021-07-03 stsp struct got_object_id_queue tree_ids;
895 b3d68e7f 2021-07-03 stsp struct got_object_qid *qid;
897 b3d68e7f 2021-07-03 stsp err = got_object_qid_alloc(&qid, tree_id);
899 b3d68e7f 2021-07-03 stsp return err;
901 b3d68e7f 2021-07-03 stsp STAILQ_INIT(&tree_ids);
902 b3d68e7f 2021-07-03 stsp STAILQ_INSERT_TAIL(&tree_ids, qid, entry);
904 b3d68e7f 2021-07-03 stsp while (!STAILQ_EMPTY(&tree_ids)) {
905 b3d68e7f 2021-07-03 stsp if (cancel_cb) {
906 b3d68e7f 2021-07-03 stsp err = (*cancel_cb)(cancel_arg);
911 b3d68e7f 2021-07-03 stsp qid = STAILQ_FIRST(&tree_ids);
912 b3d68e7f 2021-07-03 stsp STAILQ_REMOVE_HEAD(&tree_ids, entry);
914 ec242592 2022-04-22 thomas if (got_object_idset_contains(traversed_ids, &qid->id)) {
915 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
919 ec242592 2022-04-22 thomas err = got_object_idset_add(traversed_ids, &qid->id, NULL);
921 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
925 b3d68e7f 2021-07-03 stsp /* This tree is referenced. */
926 ec242592 2022-04-22 thomas err = preserve_loose_object(loose_ids, &qid->id, repo, npacked);
930 b3d68e7f 2021-07-03 stsp err = load_tree_entries(&tree_ids, loose_ids, traversed_ids,
931 ec242592 2022-04-22 thomas &qid->id, dpath, repo, npacked, cancel_cb, cancel_arg);
932 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
937 b3d68e7f 2021-07-03 stsp got_object_id_queue_free(&tree_ids);
938 b3d68e7f 2021-07-03 stsp return err;
941 b3d68e7f 2021-07-03 stsp static const struct got_error *
942 b3d68e7f 2021-07-03 stsp load_commit_or_tag(struct got_object_idset *loose_ids, int *ncommits,
943 b3d68e7f 2021-07-03 stsp int *npacked, struct got_object_idset *traversed_ids,
944 b3d68e7f 2021-07-03 stsp struct got_object_id *id, struct got_repository *repo,
945 31ba2236 2022-01-05 thomas got_cleanup_progress_cb progress_cb, void *progress_arg,
946 31ba2236 2022-01-05 thomas struct got_ratelimit *rl, int nloose,
947 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
949 b3d68e7f 2021-07-03 stsp const struct got_error *err;
950 b3d68e7f 2021-07-03 stsp struct got_commit_object *commit = NULL;
951 b3d68e7f 2021-07-03 stsp struct got_tag_object *tag = NULL;
952 b3d68e7f 2021-07-03 stsp struct got_object_id *tree_id = NULL;
953 b3d68e7f 2021-07-03 stsp struct got_object_id_queue ids;
954 b3d68e7f 2021-07-03 stsp struct got_object_qid *qid;
955 b3d68e7f 2021-07-03 stsp int obj_type;
957 b3d68e7f 2021-07-03 stsp err = got_object_qid_alloc(&qid, id);
959 b3d68e7f 2021-07-03 stsp return err;
961 b3d68e7f 2021-07-03 stsp STAILQ_INIT(&ids);
962 b3d68e7f 2021-07-03 stsp STAILQ_INSERT_TAIL(&ids, qid, entry);
964 b3d68e7f 2021-07-03 stsp while (!STAILQ_EMPTY(&ids)) {
965 b3d68e7f 2021-07-03 stsp if (cancel_cb) {
966 b3d68e7f 2021-07-03 stsp err = (*cancel_cb)(cancel_arg);
971 b3d68e7f 2021-07-03 stsp qid = STAILQ_FIRST(&ids);
972 b3d68e7f 2021-07-03 stsp STAILQ_REMOVE_HEAD(&ids, entry);
974 ec242592 2022-04-22 thomas if (got_object_idset_contains(traversed_ids, &qid->id)) {
975 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
976 b3d68e7f 2021-07-03 stsp qid = NULL;
980 ec242592 2022-04-22 thomas err = got_object_idset_add(traversed_ids, &qid->id, NULL);
984 b3d68e7f 2021-07-03 stsp /* This commit or tag is referenced. */
985 ec242592 2022-04-22 thomas err = preserve_loose_object(loose_ids, &qid->id, repo, npacked);
989 ec242592 2022-04-22 thomas err = got_object_get_type(&obj_type, repo, &qid->id);
992 b3d68e7f 2021-07-03 stsp switch (obj_type) {
993 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_COMMIT:
994 ec242592 2022-04-22 thomas err = got_object_open_as_commit(&commit, repo,
995 ec242592 2022-04-22 thomas &qid->id);
999 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TAG:
1000 ec242592 2022-04-22 thomas err = got_object_open_as_tag(&tag, repo, &qid->id);
1002 b3d68e7f 2021-07-03 stsp goto done;
1005 b3d68e7f 2021-07-03 stsp /* should not happen */
1006 b3d68e7f 2021-07-03 stsp err = got_error(GOT_ERR_OBJ_TYPE);
1007 b3d68e7f 2021-07-03 stsp goto done;
1010 b3d68e7f 2021-07-03 stsp /* Find a tree object to scan. */
1011 b3d68e7f 2021-07-03 stsp if (commit) {
1012 b3d68e7f 2021-07-03 stsp tree_id = got_object_commit_get_tree_id(commit);
1013 b3d68e7f 2021-07-03 stsp } else if (tag) {
1014 b3d68e7f 2021-07-03 stsp obj_type = got_object_tag_get_object_type(tag);
1015 b3d68e7f 2021-07-03 stsp switch (obj_type) {
1016 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_COMMIT:
1017 b3d68e7f 2021-07-03 stsp err = got_object_open_as_commit(&commit, repo,
1018 b3d68e7f 2021-07-03 stsp got_object_tag_get_object_id(tag));
1020 b3d68e7f 2021-07-03 stsp goto done;
1021 b3d68e7f 2021-07-03 stsp tree_id = got_object_commit_get_tree_id(commit);
1023 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TREE:
1024 b3d68e7f 2021-07-03 stsp tree_id = got_object_tag_get_object_id(tag);
1028 b3d68e7f 2021-07-03 stsp * Tag points at something other than a
1029 b3d68e7f 2021-07-03 stsp * commit or tree. Leave this weird tag object
1030 b3d68e7f 2021-07-03 stsp * and the object it points to on disk.
1032 b3d68e7f 2021-07-03 stsp err = got_object_idset_remove(NULL, loose_ids,
1033 ec242592 2022-04-22 thomas &qid->id);
1034 b3d68e7f 2021-07-03 stsp if (err && err->code != GOT_ERR_NO_OBJ)
1035 b3d68e7f 2021-07-03 stsp goto done;
1036 b3d68e7f 2021-07-03 stsp err = got_object_idset_remove(NULL, loose_ids,
1037 b3d68e7f 2021-07-03 stsp got_object_tag_get_object_id(tag));
1038 b3d68e7f 2021-07-03 stsp if (err && err->code != GOT_ERR_NO_OBJ)
1039 b3d68e7f 2021-07-03 stsp goto done;
1040 b3d68e7f 2021-07-03 stsp err = NULL;
1045 b3d68e7f 2021-07-03 stsp if (tree_id) {
1046 b3d68e7f 2021-07-03 stsp err = load_tree(loose_ids, traversed_ids, tree_id, "",
1047 b3d68e7f 2021-07-03 stsp repo, npacked, cancel_cb, cancel_arg);
1052 b3d68e7f 2021-07-03 stsp if (commit || tag)
1053 b3d68e7f 2021-07-03 stsp (*ncommits)++; /* scanned tags are counted as commits */
1055 31ba2236 2022-01-05 thomas err = report_cleanup_progress(progress_cb, progress_arg, rl,
1056 f116c762 2023-06-25 thomas nloose, *ncommits, -1, -1);
1057 31ba2236 2022-01-05 thomas if (err)
1060 b3d68e7f 2021-07-03 stsp if (commit) {
1061 b3d68e7f 2021-07-03 stsp /* Find parent commits to scan. */
1062 b3d68e7f 2021-07-03 stsp const struct got_object_id_queue *parent_ids;
1063 b3d68e7f 2021-07-03 stsp parent_ids = got_object_commit_get_parent_ids(commit);
1064 b3d68e7f 2021-07-03 stsp err = got_object_id_queue_copy(parent_ids, &ids);
1067 b3d68e7f 2021-07-03 stsp got_object_commit_close(commit);
1068 b3d68e7f 2021-07-03 stsp commit = NULL;
1070 b3d68e7f 2021-07-03 stsp if (tag) {
1071 b3d68e7f 2021-07-03 stsp got_object_tag_close(tag);
1072 b3d68e7f 2021-07-03 stsp tag = NULL;
1074 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
1075 b3d68e7f 2021-07-03 stsp qid = NULL;
1079 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
1080 b3d68e7f 2021-07-03 stsp if (commit)
1081 b3d68e7f 2021-07-03 stsp got_object_commit_close(commit);
1083 b3d68e7f 2021-07-03 stsp got_object_tag_close(tag);
1084 4b2e47fb 2021-07-03 stsp got_object_id_queue_free(&ids);
1085 b3d68e7f 2021-07-03 stsp return err;
1088 b3d68e7f 2021-07-03 stsp struct purge_loose_object_arg {
1089 b3d68e7f 2021-07-03 stsp struct got_repository *repo;
1090 b3d68e7f 2021-07-03 stsp got_cleanup_progress_cb progress_cb;
1091 b3d68e7f 2021-07-03 stsp void *progress_arg;
1092 31ba2236 2022-01-05 thomas struct got_ratelimit *rl;
1093 b3d68e7f 2021-07-03 stsp int nloose;
1094 b3d68e7f 2021-07-03 stsp int ncommits;
1095 b3d68e7f 2021-07-03 stsp int npurged;
1096 b3d68e7f 2021-07-03 stsp off_t size_purged;
1097 b3d68e7f 2021-07-03 stsp int dry_run;
1098 ef8ec606 2021-07-27 stsp time_t max_mtime;
1099 ef8ec606 2021-07-27 stsp int ignore_mtime;
1102 b3d68e7f 2021-07-03 stsp static const struct got_error *
1103 b3d68e7f 2021-07-03 stsp purge_loose_object(struct got_object_id *id, void *data, void *arg)
1105 b3d68e7f 2021-07-03 stsp struct purge_loose_object_arg *a = arg;
1106 b3d68e7f 2021-07-03 stsp const struct got_error *err, *unlock_err = NULL;
1107 b3d68e7f 2021-07-03 stsp char *path = NULL;
1108 b3d68e7f 2021-07-03 stsp int fd = -1;
1109 b3d68e7f 2021-07-03 stsp struct stat sb;
1110 b3d68e7f 2021-07-03 stsp struct got_lockfile *lf = NULL;
1112 b3d68e7f 2021-07-03 stsp err = got_object_get_path(&path, id, a->repo);
1114 b3d68e7f 2021-07-03 stsp return err;
1116 b3d68e7f 2021-07-03 stsp err = got_object_open_loose_fd(&fd, id, a->repo);
1118 b3d68e7f 2021-07-03 stsp goto done;
1120 b3d68e7f 2021-07-03 stsp if (fstat(fd, &sb) == -1) {
1121 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("fstat");
1122 b3d68e7f 2021-07-03 stsp goto done;
1126 ef8ec606 2021-07-27 stsp * Do not delete objects which are younger than our maximum
1127 ef8ec606 2021-07-27 stsp * modification time threshold. This prevents a race where
1128 ef8ec606 2021-07-27 stsp * new objects which are being added to the repository
1129 ef8ec606 2021-07-27 stsp * concurrently would be deleted.
1131 ef8ec606 2021-07-27 stsp if (a->ignore_mtime || sb.st_mtime <= a->max_mtime) {
1132 ef8ec606 2021-07-27 stsp if (!a->dry_run) {
1133 ef8ec606 2021-07-27 stsp err = got_lockfile_lock(&lf, path, -1);
1135 ef8ec606 2021-07-27 stsp goto done;
1136 ef8ec606 2021-07-27 stsp if (unlink(path) == -1) {
1137 ef8ec606 2021-07-27 stsp err = got_error_from_errno2("unlink", path);
1138 ef8ec606 2021-07-27 stsp goto done;
1142 ef8ec606 2021-07-27 stsp a->npurged++;
1143 ef8ec606 2021-07-27 stsp a->size_purged += sb.st_size;
1144 31ba2236 2022-01-05 thomas err = report_cleanup_progress(a->progress_cb, a->progress_arg,
1145 f116c762 2023-06-25 thomas a->rl, a->nloose, a->ncommits, a->npurged, -1);
1146 31ba2236 2022-01-05 thomas if (err)
1147 31ba2236 2022-01-05 thomas goto done;
1150 b3d68e7f 2021-07-03 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
1151 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("close");
1152 b3d68e7f 2021-07-03 stsp free(path);
1154 5345b4c7 2021-07-06 stsp unlock_err = got_lockfile_unlock(lf, -1);
1155 b3d68e7f 2021-07-03 stsp return err ? err : unlock_err;
1158 b3d68e7f 2021-07-03 stsp const struct got_error *
1159 b3d68e7f 2021-07-03 stsp got_repo_purge_unreferenced_loose_objects(struct got_repository *repo,
1160 91554d23 2023-06-25 thomas off_t *size_before, off_t *size_after, int *ncommits, int *nloose,
1161 91554d23 2023-06-25 thomas int *npacked, int dry_run, int ignore_mtime,
1162 91554d23 2023-06-25 thomas got_cleanup_progress_cb progress_cb, void *progress_arg,
1163 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1165 b3d68e7f 2021-07-03 stsp const struct got_error *err;
1166 b3d68e7f 2021-07-03 stsp struct got_object_idset *loose_ids;
1167 b3d68e7f 2021-07-03 stsp struct got_object_idset *traversed_ids;
1168 b3d68e7f 2021-07-03 stsp struct got_object_id **referenced_ids;
1169 91554d23 2023-06-25 thomas int i, nreferenced;
1170 b3d68e7f 2021-07-03 stsp struct got_reflist_head refs;
1171 ef8ec606 2021-07-27 stsp struct got_reflist_entry *re;
1172 b3d68e7f 2021-07-03 stsp struct purge_loose_object_arg arg;
1173 ef8ec606 2021-07-27 stsp time_t max_mtime = 0;
1174 31ba2236 2022-01-05 thomas struct got_ratelimit rl;
1176 b3d68e7f 2021-07-03 stsp TAILQ_INIT(&refs);
1177 31ba2236 2022-01-05 thomas got_ratelimit_init(&rl, 0, 500);
1179 b3d68e7f 2021-07-03 stsp *size_before = 0;
1180 b3d68e7f 2021-07-03 stsp *size_after = 0;
1181 b3d68e7f 2021-07-03 stsp *npacked = 0;
1183 b3d68e7f 2021-07-03 stsp err = get_loose_object_ids(&loose_ids, size_before,
1184 31ba2236 2022-01-05 thomas progress_cb, progress_arg, &rl, repo);
1186 b3d68e7f 2021-07-03 stsp return err;
1187 91554d23 2023-06-25 thomas *nloose = got_object_idset_num_elements(loose_ids);
1188 91554d23 2023-06-25 thomas if (*nloose == 0) {
1189 b3d68e7f 2021-07-03 stsp got_object_idset_free(loose_ids);
1190 39a089ac 2022-01-05 thomas if (progress_cb) {
1191 afd0da38 2023-06-22 thomas err = progress_cb(progress_arg, 0, 0, 0, -1);
1192 39a089ac 2022-01-05 thomas if (err)
1193 39a089ac 2022-01-05 thomas return err;
1195 b3d68e7f 2021-07-03 stsp return NULL;
1198 b3d68e7f 2021-07-03 stsp traversed_ids = got_object_idset_alloc();
1199 b3d68e7f 2021-07-03 stsp if (traversed_ids == NULL) {
1200 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("got_object_idset_alloc");
1201 b3d68e7f 2021-07-03 stsp goto done;
1204 b3d68e7f 2021-07-03 stsp err = got_ref_list(&refs, repo, "", got_ref_cmp_by_name, NULL);
1206 b3d68e7f 2021-07-03 stsp goto done;
1207 ef8ec606 2021-07-27 stsp if (!ignore_mtime) {
1208 ef8ec606 2021-07-27 stsp TAILQ_FOREACH(re, &refs, entry) {
1209 ef8ec606 2021-07-27 stsp time_t mtime = got_ref_get_mtime(re->ref);
1210 ef8ec606 2021-07-27 stsp if (mtime > max_mtime)
1211 ef8ec606 2021-07-27 stsp max_mtime = mtime;
1214 ef8ec606 2021-07-27 stsp * For safety, keep objects created within 10 minutes
1215 ef8ec606 2021-07-27 stsp * before the youngest reference was created.
1217 ef8ec606 2021-07-27 stsp if (max_mtime >= 600)
1218 ef8ec606 2021-07-27 stsp max_mtime -= 600;
1221 b3d68e7f 2021-07-03 stsp err = get_reflist_object_ids(&referenced_ids, &nreferenced,
1222 b3d68e7f 2021-07-03 stsp (1 << GOT_OBJ_TYPE_COMMIT) | (1 << GOT_OBJ_TYPE_TAG),
1223 b3d68e7f 2021-07-03 stsp &refs, repo, cancel_cb, cancel_arg);
1225 b3d68e7f 2021-07-03 stsp goto done;
1227 b3d68e7f 2021-07-03 stsp for (i = 0; i < nreferenced; i++) {
1228 b3d68e7f 2021-07-03 stsp struct got_object_id *id = referenced_ids[i];
1229 91554d23 2023-06-25 thomas err = load_commit_or_tag(loose_ids, ncommits, npacked,
1230 31ba2236 2022-01-05 thomas traversed_ids, id, repo, progress_cb, progress_arg, &rl,
1231 91554d23 2023-06-25 thomas *nloose, cancel_cb, cancel_arg);
1233 b3d68e7f 2021-07-03 stsp goto done;
1236 b3d68e7f 2021-07-03 stsp /* Any remaining loose objects are unreferenced and can be purged. */
1237 b3d68e7f 2021-07-03 stsp arg.repo = repo;
1238 b3d68e7f 2021-07-03 stsp arg.progress_arg = progress_arg;
1239 b3d68e7f 2021-07-03 stsp arg.progress_cb = progress_cb;
1240 31ba2236 2022-01-05 thomas arg.rl = &rl;
1241 91554d23 2023-06-25 thomas arg.nloose = *nloose;
1242 b3d68e7f 2021-07-03 stsp arg.npurged = 0;
1243 b3d68e7f 2021-07-03 stsp arg.size_purged = 0;
1244 91554d23 2023-06-25 thomas arg.ncommits = *ncommits;
1245 b3d68e7f 2021-07-03 stsp arg.dry_run = dry_run;
1246 ef8ec606 2021-07-27 stsp arg.max_mtime = max_mtime;
1247 ef8ec606 2021-07-27 stsp arg.ignore_mtime = ignore_mtime;
1248 b3d68e7f 2021-07-03 stsp err = got_object_idset_for_each(loose_ids, purge_loose_object, &arg);
1250 b3d68e7f 2021-07-03 stsp goto done;
1251 b3d68e7f 2021-07-03 stsp *size_after = *size_before - arg.size_purged;
1253 31ba2236 2022-01-05 thomas /* Produce a final progress report. */
1254 31ba2236 2022-01-05 thomas if (progress_cb) {
1255 91554d23 2023-06-25 thomas err = progress_cb(progress_arg, *nloose, *ncommits, arg.npurged,
1257 31ba2236 2022-01-05 thomas if (err)
1258 31ba2236 2022-01-05 thomas goto done;
1261 b3d68e7f 2021-07-03 stsp got_object_idset_free(loose_ids);
1262 b3d68e7f 2021-07-03 stsp got_object_idset_free(traversed_ids);
1263 afd0da38 2023-06-22 thomas return err;
1266 afd0da38 2023-06-22 thomas static const struct got_error *
1267 afd0da38 2023-06-22 thomas purge_redundant_pack(struct got_repository *repo, const char *packidx_path,
1268 afd0da38 2023-06-22 thomas int dry_run, int *remove, off_t *size_before, off_t *size_after)
1270 afd0da38 2023-06-22 thomas static const char *ext[] = {".idx", ".pack", ".rev", ".bitmap",
1271 afd0da38 2023-06-22 thomas ".promisor", ".mtimes"};
1272 afd0da38 2023-06-22 thomas struct stat sb;
1273 afd0da38 2023-06-22 thomas char *dot, path[PATH_MAX];
1274 afd0da38 2023-06-22 thomas size_t i;
1276 afd0da38 2023-06-22 thomas if (strlcpy(path, packidx_path, sizeof(path)) >=
1277 afd0da38 2023-06-22 thomas sizeof(path))
1278 afd0da38 2023-06-22 thomas return got_error(GOT_ERR_NO_SPACE);
1281 afd0da38 2023-06-22 thomas * For compatibility with Git, if a matching .keep file exist
1282 afd0da38 2023-06-22 thomas * don't delete the packfile.
1284 afd0da38 2023-06-22 thomas dot = strrchr(path, '.');
1285 afd0da38 2023-06-22 thomas *dot = '\0';
1286 afd0da38 2023-06-22 thomas if (strlcat(path, ".keep", sizeof(path)) >= sizeof(path))
1287 afd0da38 2023-06-22 thomas return got_error(GOT_ERR_NO_SPACE);
1288 afd0da38 2023-06-22 thomas if (faccessat(got_repo_get_fd(repo), path, F_OK, 0) == 0)
1289 afd0da38 2023-06-22 thomas *remove = 0;
1291 afd0da38 2023-06-22 thomas for (i = 0; i < nitems(ext); ++i) {
1292 afd0da38 2023-06-22 thomas *dot = '\0';
1294 afd0da38 2023-06-22 thomas if (strlcat(path, ext[i], sizeof(path)) >=
1295 afd0da38 2023-06-22 thomas sizeof(path))
1296 afd0da38 2023-06-22 thomas return got_error(GOT_ERR_NO_SPACE);
1298 afd0da38 2023-06-22 thomas if (fstatat(got_repo_get_fd(repo), path, &sb, 0) ==
1300 afd0da38 2023-06-22 thomas if (errno == ENOENT &&
1301 afd0da38 2023-06-22 thomas strcmp(ext[i], ".pack") != 0 &&
1302 afd0da38 2023-06-22 thomas strcmp(ext[i], ".idx") != 0)
1303 afd0da38 2023-06-22 thomas continue;
1304 afd0da38 2023-06-22 thomas return got_error_from_errno2("fstatat", path);
1307 afd0da38 2023-06-22 thomas *size_before += sb.st_size;
1308 afd0da38 2023-06-22 thomas if (!*remove) {
1309 afd0da38 2023-06-22 thomas *size_after += sb.st_size;
1310 afd0da38 2023-06-22 thomas continue;
1313 afd0da38 2023-06-22 thomas if (dry_run)
1314 afd0da38 2023-06-22 thomas continue;
1316 afd0da38 2023-06-22 thomas if (unlinkat(got_repo_get_fd(repo), path, 0) == -1) {
1317 afd0da38 2023-06-22 thomas if (errno == ENOENT)
1318 afd0da38 2023-06-22 thomas continue;
1319 afd0da38 2023-06-22 thomas return got_error_from_errno2("unlinkat",
1324 afd0da38 2023-06-22 thomas return NULL;
1327 afd0da38 2023-06-22 thomas static const struct got_error *
1328 afd0da38 2023-06-22 thomas pack_is_redundant(int *redundant, struct got_repository *repo,
1329 afd0da38 2023-06-22 thomas const char *packidx_path, struct got_object_idset *idset)
1331 afd0da38 2023-06-22 thomas const struct got_error *err;
1332 afd0da38 2023-06-22 thomas struct got_packidx *packidx;
1333 afd0da38 2023-06-22 thomas struct got_packidx_object_id *pid;
1334 afd0da38 2023-06-22 thomas struct got_object_id id;
1335 afd0da38 2023-06-22 thomas size_t i, nobjects;
1337 afd0da38 2023-06-22 thomas *redundant = 1;
1339 afd0da38 2023-06-22 thomas err = got_repo_get_packidx(&packidx, packidx_path, repo);
1340 afd0da38 2023-06-22 thomas if (err)
1341 afd0da38 2023-06-22 thomas return err;
1343 afd0da38 2023-06-22 thomas nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1344 afd0da38 2023-06-22 thomas for (i = 0; i < nobjects; ++i) {
1345 afd0da38 2023-06-22 thomas pid = &packidx->hdr.sorted_ids[i];
1347 afd0da38 2023-06-22 thomas memset(&id, 0, sizeof(id));
1348 afd0da38 2023-06-22 thomas memcpy(&id.sha1, pid->sha1, sizeof(id.sha1));
1350 afd0da38 2023-06-22 thomas if (got_object_idset_contains(idset, &id))
1351 afd0da38 2023-06-22 thomas continue;
1353 afd0da38 2023-06-22 thomas *redundant = 0;
1354 afd0da38 2023-06-22 thomas err = got_object_idset_add(idset, &id, NULL);
1355 afd0da38 2023-06-22 thomas if (err)
1356 afd0da38 2023-06-22 thomas return err;
1359 afd0da38 2023-06-22 thomas return NULL;
1362 afd0da38 2023-06-22 thomas struct pack_info {
1363 afd0da38 2023-06-22 thomas const char *path;
1364 afd0da38 2023-06-22 thomas size_t nobjects;
1367 afd0da38 2023-06-22 thomas static int
1368 afd0da38 2023-06-22 thomas pack_info_cmp(const void *a, const void *b)
1370 afd0da38 2023-06-22 thomas const struct pack_info *pa, *pb;
1374 afd0da38 2023-06-22 thomas if (pa->nobjects == pb->nobjects)
1375 afd0da38 2023-06-22 thomas return strcmp(pa->path, pb->path);
1376 afd0da38 2023-06-22 thomas if (pa->nobjects > pb->nobjects)
1377 afd0da38 2023-06-22 thomas return -1;
1378 afd0da38 2023-06-22 thomas return 1;
1381 afd0da38 2023-06-22 thomas const struct got_error *
1382 afd0da38 2023-06-22 thomas got_repo_purge_redundant_packfiles(struct got_repository *repo,
1383 afd0da38 2023-06-22 thomas off_t *size_before, off_t *size_after, int dry_run,
1384 91554d23 2023-06-25 thomas int nloose, int ncommits, int npurged,
1385 afd0da38 2023-06-22 thomas got_cleanup_progress_cb progress_cb, void *progress_arg,
1386 afd0da38 2023-06-22 thomas got_cancel_cb cancel_cb, void *cancel_arg)
1388 afd0da38 2023-06-22 thomas const struct got_error *err;
1389 afd0da38 2023-06-22 thomas struct pack_info *pinfo, *sorted = NULL;
1390 afd0da38 2023-06-22 thomas struct got_packidx *packidx;
1391 afd0da38 2023-06-22 thomas struct got_object_idset *idset = NULL;
1392 afd0da38 2023-06-22 thomas struct got_pathlist_entry *pe;
1393 afd0da38 2023-06-22 thomas size_t i, npacks;
1394 afd0da38 2023-06-22 thomas int remove, redundant_packs = 0;
1395 f116c762 2023-06-25 thomas struct got_ratelimit rl;
1397 f116c762 2023-06-25 thomas got_ratelimit_init(&rl, 0, 500);
1399 afd0da38 2023-06-22 thomas *size_before = 0;
1400 afd0da38 2023-06-22 thomas *size_after = 0;
1402 afd0da38 2023-06-22 thomas npacks = 0;
1403 afd0da38 2023-06-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
1404 afd0da38 2023-06-22 thomas npacks++;
1406 afd0da38 2023-06-22 thomas if (npacks == 0)
1407 afd0da38 2023-06-22 thomas return NULL;
1409 afd0da38 2023-06-22 thomas sorted = calloc(npacks, sizeof(*sorted));
1410 afd0da38 2023-06-22 thomas if (sorted == NULL)
1411 afd0da38 2023-06-22 thomas return got_error_from_errno("calloc");
1414 afd0da38 2023-06-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1415 afd0da38 2023-06-22 thomas err = got_repo_get_packidx(&packidx, pe->path, repo);
1416 afd0da38 2023-06-22 thomas if (err)
1417 afd0da38 2023-06-22 thomas goto done;
1419 afd0da38 2023-06-22 thomas pinfo = &sorted[i++];
1420 afd0da38 2023-06-22 thomas pinfo->path = pe->path;
1421 afd0da38 2023-06-22 thomas pinfo->nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1423 afd0da38 2023-06-22 thomas qsort(sorted, npacks, sizeof(*sorted), pack_info_cmp);
1425 afd0da38 2023-06-22 thomas idset = got_object_idset_alloc();
1426 afd0da38 2023-06-22 thomas if (idset == NULL) {
1427 afd0da38 2023-06-22 thomas err = got_error_from_errno("got_object_idset_alloc");
1428 afd0da38 2023-06-22 thomas goto done;
1431 afd0da38 2023-06-22 thomas for (i = 0; i < npacks; ++i) {
1432 afd0da38 2023-06-22 thomas if (cancel_cb) {
1433 afd0da38 2023-06-22 thomas err = (*cancel_cb)(cancel_arg);
1434 afd0da38 2023-06-22 thomas if (err)
1438 afd0da38 2023-06-22 thomas err = pack_is_redundant(&remove, repo, sorted[i].path, idset);
1439 afd0da38 2023-06-22 thomas if (err)
1440 afd0da38 2023-06-22 thomas goto done;
1441 afd0da38 2023-06-22 thomas err = purge_redundant_pack(repo, sorted[i].path, dry_run,
1442 afd0da38 2023-06-22 thomas &remove, size_before, size_after);
1443 afd0da38 2023-06-22 thomas if (err)
1444 afd0da38 2023-06-22 thomas goto done;
1445 afd0da38 2023-06-22 thomas if (!remove)
1446 afd0da38 2023-06-22 thomas continue;
1447 f116c762 2023-06-25 thomas err = report_cleanup_progress(progress_cb, progress_arg,
1448 f116c762 2023-06-25 thomas &rl, nloose, ncommits, npurged, ++redundant_packs);
1449 f116c762 2023-06-25 thomas if (err)
1450 f116c762 2023-06-25 thomas goto done;
1453 91554d23 2023-06-25 thomas /* Produce a final progress report. */
1454 91554d23 2023-06-25 thomas if (progress_cb) {
1455 91554d23 2023-06-25 thomas err = progress_cb(progress_arg, nloose, ncommits, npurged,
1456 91554d23 2023-06-25 thomas redundant_packs);
1457 afd0da38 2023-06-22 thomas if (err)
1458 afd0da38 2023-06-22 thomas goto done;
1461 afd0da38 2023-06-22 thomas free(sorted);
1462 afd0da38 2023-06-22 thomas if (idset)
1463 afd0da38 2023-06-22 thomas got_object_idset_free(idset);
1464 1124fe40 2021-07-07 stsp return err;
1467 1124fe40 2021-07-07 stsp const struct got_error *
1468 1124fe40 2021-07-07 stsp got_repo_remove_lonely_packidx(struct got_repository *repo, int dry_run,
1469 1124fe40 2021-07-07 stsp got_lonely_packidx_progress_cb progress_cb, void *progress_arg,
1470 1124fe40 2021-07-07 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1472 dee47c87 2022-07-21 thomas const struct got_error *err = NULL;
1473 1124fe40 2021-07-07 stsp DIR *packdir = NULL;
1474 1124fe40 2021-07-07 stsp struct dirent *dent;
1475 1124fe40 2021-07-07 stsp char *pack_relpath = NULL;
1476 1124fe40 2021-07-07 stsp int packdir_fd;
1477 1124fe40 2021-07-07 stsp struct stat sb;
1479 1124fe40 2021-07-07 stsp packdir_fd = openat(got_repo_get_fd(repo),
1480 fc63f50d 2021-12-31 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1481 1124fe40 2021-07-07 stsp if (packdir_fd == -1) {
1482 1124fe40 2021-07-07 stsp if (errno == ENOENT)
1483 1124fe40 2021-07-07 stsp return NULL;
1484 1124fe40 2021-07-07 stsp return got_error_from_errno_fmt("openat: %s/%s",
1485 1124fe40 2021-07-07 stsp got_repo_get_path_git_dir(repo),
1486 1124fe40 2021-07-07 stsp GOT_OBJECTS_PACK_DIR);
1489 1124fe40 2021-07-07 stsp packdir = fdopendir(packdir_fd);
1490 1124fe40 2021-07-07 stsp if (packdir == NULL) {
1491 1124fe40 2021-07-07 stsp err = got_error_from_errno("fdopendir");
1492 1124fe40 2021-07-07 stsp goto done;
1495 1124fe40 2021-07-07 stsp while ((dent = readdir(packdir)) != NULL) {
1496 1124fe40 2021-07-07 stsp if (cancel_cb) {
1497 1124fe40 2021-07-07 stsp err = cancel_cb(cancel_arg);
1499 1124fe40 2021-07-07 stsp goto done;
1502 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1503 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1506 1124fe40 2021-07-07 stsp err = got_packidx_get_packfile_path(&pack_relpath,
1507 1124fe40 2021-07-07 stsp dent->d_name);
1509 1124fe40 2021-07-07 stsp goto done;
1511 1124fe40 2021-07-07 stsp if (fstatat(packdir_fd, pack_relpath, &sb, 0) != -1) {
1512 1124fe40 2021-07-07 stsp free(pack_relpath);
1513 1124fe40 2021-07-07 stsp pack_relpath = NULL;
1516 1124fe40 2021-07-07 stsp if (errno != ENOENT) {
1517 1124fe40 2021-07-07 stsp err = got_error_from_errno_fmt("fstatat: %s/%s/%s",
1518 1124fe40 2021-07-07 stsp got_repo_get_path_git_dir(repo),
1519 1124fe40 2021-07-07 stsp GOT_OBJECTS_PACK_DIR,
1520 1124fe40 2021-07-07 stsp pack_relpath);
1521 1124fe40 2021-07-07 stsp goto done;
1524 1124fe40 2021-07-07 stsp if (!dry_run) {
1525 e81b604b 2023-06-22 thomas if (unlinkat(packdir_fd, dent->d_name, 0) == -1) {
1526 e81b604b 2023-06-22 thomas err = got_error_from_errno("unlinkat");
1527 1124fe40 2021-07-07 stsp goto done;
1530 1124fe40 2021-07-07 stsp if (progress_cb) {
1531 1124fe40 2021-07-07 stsp char *path;
1532 1124fe40 2021-07-07 stsp if (asprintf(&path, "%s/%s/%s",
1533 1124fe40 2021-07-07 stsp got_repo_get_path_git_dir(repo),
1534 1124fe40 2021-07-07 stsp GOT_OBJECTS_PACK_DIR,
1535 1124fe40 2021-07-07 stsp dent->d_name) == -1) {
1536 1124fe40 2021-07-07 stsp err = got_error_from_errno("asprintf");
1537 1124fe40 2021-07-07 stsp goto done;
1539 1124fe40 2021-07-07 stsp err = progress_cb(progress_arg, path);
1540 1124fe40 2021-07-07 stsp free(path);
1542 1124fe40 2021-07-07 stsp goto done;
1544 1124fe40 2021-07-07 stsp free(pack_relpath);
1545 1124fe40 2021-07-07 stsp pack_relpath = NULL;
1548 1124fe40 2021-07-07 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1549 1124fe40 2021-07-07 stsp err = got_error_from_errno("closedir");
1550 1124fe40 2021-07-07 stsp free(pack_relpath);
1551 b3d68e7f 2021-07-03 stsp return err;
