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 05118f5a 2021-06-22 stsp #include <sys/types.h>
18 05118f5a 2021-06-22 stsp #include <sys/uio.h>
19 05118f5a 2021-06-22 stsp #include <sys/stat.h>
20 05118f5a 2021-06-22 stsp #include <sys/socket.h>
21 05118f5a 2021-06-22 stsp #include <sys/wait.h>
23 05118f5a 2021-06-22 stsp #include <dirent.h>
24 05118f5a 2021-06-22 stsp #include <errno.h>
25 05118f5a 2021-06-22 stsp #include <fcntl.h>
26 05118f5a 2021-06-22 stsp #include <stdint.h>
27 05118f5a 2021-06-22 stsp #include <stdio.h>
28 05118f5a 2021-06-22 stsp #include <stdlib.h>
29 05118f5a 2021-06-22 stsp #include <string.h>
30 05118f5a 2021-06-22 stsp #include <limits.h>
31 05118f5a 2021-06-22 stsp #include <unistd.h>
33 05118f5a 2021-06-22 stsp #include "got_error.h"
34 05118f5a 2021-06-22 stsp #include "got_cancel.h"
35 05118f5a 2021-06-22 stsp #include "got_object.h"
36 05118f5a 2021-06-22 stsp #include "got_reference.h"
37 05118f5a 2021-06-22 stsp #include "got_repository.h"
38 05118f5a 2021-06-22 stsp #include "got_repository_admin.h"
39 05118f5a 2021-06-22 stsp #include "got_opentemp.h"
40 05118f5a 2021-06-22 stsp #include "got_path.h"
42 05118f5a 2021-06-22 stsp #include "got_lib_delta.h"
43 05118f5a 2021-06-22 stsp #include "got_lib_object.h"
44 b3d68e7f 2021-07-03 stsp #include "got_lib_object_idset.h"
45 05118f5a 2021-06-22 stsp #include "got_lib_object_cache.h"
46 05118f5a 2021-06-22 stsp #include "got_lib_pack.h"
47 05118f5a 2021-06-22 stsp #include "got_lib_privsep.h"
48 05118f5a 2021-06-22 stsp #include "got_lib_repository.h"
49 05118f5a 2021-06-22 stsp #include "got_lib_pack_create.h"
50 05118f5a 2021-06-22 stsp #include "got_lib_sha1.h"
51 b3d68e7f 2021-07-03 stsp #include "got_lib_lockfile.h"
53 05118f5a 2021-06-22 stsp #ifndef nitems
54 05118f5a 2021-06-22 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
57 05118f5a 2021-06-22 stsp static const struct got_error *
58 05118f5a 2021-06-22 stsp get_reflist_object_ids(struct got_object_id ***ids, int *nobjects,
59 05118f5a 2021-06-22 stsp unsigned int wanted_obj_type_mask, struct got_reflist_head *refs,
60 05118f5a 2021-06-22 stsp struct got_repository *repo,
61 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
63 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
64 05118f5a 2021-06-22 stsp const size_t alloc_chunksz = 256;
65 05118f5a 2021-06-22 stsp size_t nalloc;
66 05118f5a 2021-06-22 stsp struct got_reflist_entry *re;
69 05118f5a 2021-06-22 stsp *ids = NULL;
70 05118f5a 2021-06-22 stsp *nobjects = 0;
72 05118f5a 2021-06-22 stsp *ids = reallocarray(NULL, alloc_chunksz, sizeof(struct got_object_id *));
73 05118f5a 2021-06-22 stsp if (*ids == NULL)
74 05118f5a 2021-06-22 stsp return got_error_from_errno("reallocarray");
75 05118f5a 2021-06-22 stsp nalloc = alloc_chunksz;
77 05118f5a 2021-06-22 stsp TAILQ_FOREACH(re, refs, entry) {
78 05118f5a 2021-06-22 stsp struct got_object_id *id;
80 05118f5a 2021-06-22 stsp if (cancel_cb) {
81 05118f5a 2021-06-22 stsp err = cancel_cb(cancel_arg);
86 05118f5a 2021-06-22 stsp err = got_ref_resolve(&id, repo, re->ref);
90 05118f5a 2021-06-22 stsp if (wanted_obj_type_mask != GOT_OBJ_TYPE_ANY) {
91 05118f5a 2021-06-22 stsp int obj_type;
92 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
95 05118f5a 2021-06-22 stsp if ((wanted_obj_type_mask & (1 << obj_type)) == 0) {
102 ae23ce34 2021-07-01 stsp if (nalloc <= *nobjects) {
103 05118f5a 2021-06-22 stsp struct got_object_id **new;
104 05118f5a 2021-06-22 stsp new = recallocarray(*ids, nalloc,
105 05118f5a 2021-06-22 stsp nalloc + alloc_chunksz,
106 05118f5a 2021-06-22 stsp sizeof(struct got_object_id *));
107 05118f5a 2021-06-22 stsp if (new == NULL) {
108 05118f5a 2021-06-22 stsp err = got_error_from_errno(
109 05118f5a 2021-06-22 stsp "recallocarray");
112 05118f5a 2021-06-22 stsp *ids = new;
113 05118f5a 2021-06-22 stsp nalloc += alloc_chunksz;
115 05118f5a 2021-06-22 stsp (*ids)[*nobjects] = id;
116 05118f5a 2021-06-22 stsp if ((*ids)[*nobjects] == NULL) {
117 05118f5a 2021-06-22 stsp err = got_error_from_errno("got_object_id_dup");
120 05118f5a 2021-06-22 stsp (*nobjects)++;
124 05118f5a 2021-06-22 stsp for (i = 0; i < *nobjects; i++)
125 05118f5a 2021-06-22 stsp free((*ids)[i]);
126 05118f5a 2021-06-22 stsp free(*ids);
127 05118f5a 2021-06-22 stsp *ids = NULL;
128 05118f5a 2021-06-22 stsp *nobjects = 0;
130 05118f5a 2021-06-22 stsp return err;
133 05118f5a 2021-06-22 stsp const struct got_error *
134 05118f5a 2021-06-22 stsp got_repo_pack_objects(FILE **packfile, struct got_object_id **pack_hash,
135 05118f5a 2021-06-22 stsp struct got_reflist_head *include_refs,
136 05118f5a 2021-06-22 stsp struct got_reflist_head *exclude_refs, struct got_repository *repo,
137 05118f5a 2021-06-22 stsp int loose_obj_only, got_pack_progress_cb progress_cb, void *progress_arg,
138 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
140 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
141 05118f5a 2021-06-22 stsp struct got_object_id **ours = NULL, **theirs = NULL;
142 05118f5a 2021-06-22 stsp int nours = 0, ntheirs = 0, packfd = -1, i;
143 05118f5a 2021-06-22 stsp char *tmpfile_path = NULL, *path = NULL, *packfile_path = NULL;
144 05118f5a 2021-06-22 stsp char *sha1_str = NULL;
146 05118f5a 2021-06-22 stsp *packfile = NULL;
147 05118f5a 2021-06-22 stsp *pack_hash = NULL;
149 05118f5a 2021-06-22 stsp if (asprintf(&path, "%s/%s/packing.pack",
150 05118f5a 2021-06-22 stsp got_repo_get_path_git_dir(repo), GOT_OBJECTS_PACK_DIR) == -1) {
151 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
154 05118f5a 2021-06-22 stsp err = got_opentemp_named_fd(&tmpfile_path, &packfd, path);
158 05118f5a 2021-06-22 stsp if (fchmod(packfd, GOT_DEFAULT_FILE_MODE) != 0) {
159 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fchmod", tmpfile_path);
163 05118f5a 2021-06-22 stsp *packfile = fdopen(packfd, "w");
164 05118f5a 2021-06-22 stsp if (*packfile == NULL) {
165 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fdopen", tmpfile_path);
168 05118f5a 2021-06-22 stsp packfd = -1;
170 05118f5a 2021-06-22 stsp err = get_reflist_object_ids(&ours, &nours,
171 abc59930 2021-09-05 naddy (1 << GOT_OBJ_TYPE_COMMIT) | (1 << GOT_OBJ_TYPE_TAG),
172 abc59930 2021-09-05 naddy include_refs, repo, cancel_cb, cancel_arg);
176 05118f5a 2021-06-22 stsp if (nours == 0) {
177 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_CANNOT_PACK);
181 05118f5a 2021-06-22 stsp if (!TAILQ_EMPTY(exclude_refs)) {
182 05118f5a 2021-06-22 stsp err = get_reflist_object_ids(&theirs, &ntheirs,
183 abc59930 2021-09-05 naddy (1 << GOT_OBJ_TYPE_COMMIT) | (1 << GOT_OBJ_TYPE_TAG),
184 abc59930 2021-09-05 naddy exclude_refs, repo,
185 abc59930 2021-09-05 naddy cancel_cb, cancel_arg);
190 05118f5a 2021-06-22 stsp *pack_hash = calloc(1, sizeof(**pack_hash));
191 05118f5a 2021-06-22 stsp if (*pack_hash == NULL) {
192 05118f5a 2021-06-22 stsp err = got_error_from_errno("calloc");
196 05118f5a 2021-06-22 stsp err = got_pack_create((*pack_hash)->sha1, *packfile, theirs, ntheirs,
197 f8a36e22 2021-08-26 stsp ours, nours, repo, loose_obj_only, 0, progress_cb, progress_arg,
198 05118f5a 2021-06-22 stsp cancel_cb, cancel_arg);
202 05118f5a 2021-06-22 stsp err = got_object_id_str(&sha1_str, *pack_hash);
205 05118f5a 2021-06-22 stsp if (asprintf(&packfile_path, "%s/%s/pack-%s.pack",
206 05118f5a 2021-06-22 stsp got_repo_get_path_git_dir(repo), GOT_OBJECTS_PACK_DIR,
207 05118f5a 2021-06-22 stsp sha1_str) == -1) {
208 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
212 05118f5a 2021-06-22 stsp if (fflush(*packfile) == -1) {
213 05118f5a 2021-06-22 stsp err = got_error_from_errno("fflush");
216 05118f5a 2021-06-22 stsp if (fseek(*packfile, 0L, SEEK_SET) == -1) {
217 05118f5a 2021-06-22 stsp err = got_error_from_errno("fseek");
220 05118f5a 2021-06-22 stsp if (rename(tmpfile_path, packfile_path) == -1) {
221 05118f5a 2021-06-22 stsp err = got_error_from_errno3("rename", tmpfile_path,
222 05118f5a 2021-06-22 stsp packfile_path);
225 05118f5a 2021-06-22 stsp free(tmpfile_path);
226 05118f5a 2021-06-22 stsp tmpfile_path = NULL;
228 05118f5a 2021-06-22 stsp for (i = 0; i < nours; i++)
229 05118f5a 2021-06-22 stsp free(ours[i]);
230 05118f5a 2021-06-22 stsp free(ours);
231 05118f5a 2021-06-22 stsp for (i = 0; i < ntheirs; i++)
232 05118f5a 2021-06-22 stsp free(theirs[i]);
233 05118f5a 2021-06-22 stsp free(theirs);
234 05118f5a 2021-06-22 stsp if (packfd != -1 && close(packfd) == -1 && err == NULL)
235 05118f5a 2021-06-22 stsp err = got_error_from_errno2("close", packfile_path);
236 05118f5a 2021-06-22 stsp if (tmpfile_path && unlink(tmpfile_path) == -1 && err == NULL)
237 05118f5a 2021-06-22 stsp err = got_error_from_errno2("unlink", tmpfile_path);
238 05118f5a 2021-06-22 stsp free(tmpfile_path);
239 05118f5a 2021-06-22 stsp free(packfile_path);
240 05118f5a 2021-06-22 stsp free(sha1_str);
241 05118f5a 2021-06-22 stsp free(path);
243 05118f5a 2021-06-22 stsp free(*pack_hash);
244 05118f5a 2021-06-22 stsp *pack_hash = NULL;
245 05118f5a 2021-06-22 stsp if (*packfile)
246 05118f5a 2021-06-22 stsp fclose(*packfile);
247 05118f5a 2021-06-22 stsp *packfile = NULL;
249 05118f5a 2021-06-22 stsp return err;
252 05118f5a 2021-06-22 stsp const struct got_error *
253 05118f5a 2021-06-22 stsp got_repo_index_pack(FILE *packfile, struct got_object_id *pack_hash,
254 05118f5a 2021-06-22 stsp struct got_repository *repo,
255 05118f5a 2021-06-22 stsp got_pack_index_progress_cb progress_cb, void *progress_arg,
256 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
259 05118f5a 2021-06-22 stsp char *path;
260 05118f5a 2021-06-22 stsp int imsg_idxfds[2];
261 05118f5a 2021-06-22 stsp int npackfd = -1, idxfd = -1, nidxfd = -1;
262 05118f5a 2021-06-22 stsp int tmpfds[3];
263 05118f5a 2021-06-22 stsp int idxstatus, done = 0;
264 05118f5a 2021-06-22 stsp const struct got_error *err;
265 05118f5a 2021-06-22 stsp struct imsgbuf idxibuf;
266 05118f5a 2021-06-22 stsp pid_t idxpid;
267 05118f5a 2021-06-22 stsp char *tmpidxpath = NULL;
268 05118f5a 2021-06-22 stsp char *packfile_path = NULL, *idxpath = NULL, *id_str = NULL;
269 05118f5a 2021-06-22 stsp const char *repo_path = got_repo_get_path_git_dir(repo);
270 05118f5a 2021-06-22 stsp struct stat sb;
272 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++)
273 05118f5a 2021-06-22 stsp tmpfds[i] = -1;
275 05118f5a 2021-06-22 stsp if (asprintf(&path, "%s/%s/indexing.idx",
276 05118f5a 2021-06-22 stsp repo_path, GOT_OBJECTS_PACK_DIR) == -1) {
277 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
280 05118f5a 2021-06-22 stsp err = got_opentemp_named_fd(&tmpidxpath, &idxfd, path);
281 05118f5a 2021-06-22 stsp free(path);
284 05118f5a 2021-06-22 stsp if (fchmod(idxfd, GOT_DEFAULT_FILE_MODE) != 0) {
285 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fchmod", tmpidxpath);
289 05118f5a 2021-06-22 stsp nidxfd = dup(idxfd);
290 05118f5a 2021-06-22 stsp if (nidxfd == -1) {
291 05118f5a 2021-06-22 stsp err = got_error_from_errno("dup");
295 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++) {
296 05118f5a 2021-06-22 stsp tmpfds[i] = got_opentempfd();
297 05118f5a 2021-06-22 stsp if (tmpfds[i] == -1) {
298 05118f5a 2021-06-22 stsp err = got_error_from_errno("got_opentempfd");
303 05118f5a 2021-06-22 stsp err = got_object_id_str(&id_str, pack_hash);
307 05118f5a 2021-06-22 stsp if (asprintf(&packfile_path, "%s/%s/pack-%s.pack",
308 05118f5a 2021-06-22 stsp repo_path, GOT_OBJECTS_PACK_DIR, id_str) == -1) {
309 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
313 05118f5a 2021-06-22 stsp if (fstat(fileno(packfile), &sb) == -1) {
314 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fstat", packfile_path);
318 05118f5a 2021-06-22 stsp if (asprintf(&idxpath, "%s/%s/pack-%s.idx",
319 05118f5a 2021-06-22 stsp repo_path, GOT_OBJECTS_PACK_DIR, id_str) == -1) {
320 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
324 05118f5a 2021-06-22 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_idxfds) == -1) {
325 05118f5a 2021-06-22 stsp err = got_error_from_errno("socketpair");
328 05118f5a 2021-06-22 stsp idxpid = fork();
329 05118f5a 2021-06-22 stsp if (idxpid == -1) {
330 05118f5a 2021-06-22 stsp err= got_error_from_errno("fork");
332 05118f5a 2021-06-22 stsp } else if (idxpid == 0)
333 05118f5a 2021-06-22 stsp got_privsep_exec_child(imsg_idxfds,
334 05118f5a 2021-06-22 stsp GOT_PATH_PROG_INDEX_PACK, packfile_path);
335 05118f5a 2021-06-22 stsp if (close(imsg_idxfds[1]) == -1) {
336 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
339 05118f5a 2021-06-22 stsp imsg_init(&idxibuf, imsg_idxfds[0]);
341 05118f5a 2021-06-22 stsp npackfd = dup(fileno(packfile));
342 05118f5a 2021-06-22 stsp if (npackfd == -1) {
343 05118f5a 2021-06-22 stsp err = got_error_from_errno("dup");
346 05118f5a 2021-06-22 stsp err = got_privsep_send_index_pack_req(&idxibuf, pack_hash->sha1,
348 05118f5a 2021-06-22 stsp if (err != NULL)
350 05118f5a 2021-06-22 stsp npackfd = -1;
351 05118f5a 2021-06-22 stsp err = got_privsep_send_index_pack_outfd(&idxibuf, nidxfd);
352 05118f5a 2021-06-22 stsp if (err != NULL)
354 05118f5a 2021-06-22 stsp nidxfd = -1;
355 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++) {
356 05118f5a 2021-06-22 stsp err = got_privsep_send_tmpfd(&idxibuf, tmpfds[i]);
357 05118f5a 2021-06-22 stsp if (err != NULL)
359 05118f5a 2021-06-22 stsp tmpfds[i] = -1;
362 05118f5a 2021-06-22 stsp while (!done) {
363 05118f5a 2021-06-22 stsp int nobj_total, nobj_indexed, nobj_loose, nobj_resolved;
365 05118f5a 2021-06-22 stsp if (cancel_cb) {
366 05118f5a 2021-06-22 stsp err = cancel_cb(cancel_arg);
371 05118f5a 2021-06-22 stsp err = got_privsep_recv_index_progress(&done, &nobj_total,
372 05118f5a 2021-06-22 stsp &nobj_indexed, &nobj_loose, &nobj_resolved,
374 05118f5a 2021-06-22 stsp if (err != NULL)
376 05118f5a 2021-06-22 stsp if (nobj_indexed != 0) {
377 05118f5a 2021-06-22 stsp err = progress_cb(progress_arg, sb.st_size,
378 05118f5a 2021-06-22 stsp nobj_total, nobj_indexed, nobj_loose,
379 05118f5a 2021-06-22 stsp nobj_resolved);
383 05118f5a 2021-06-22 stsp imsg_clear(&idxibuf);
385 05118f5a 2021-06-22 stsp if (close(imsg_idxfds[0]) == -1) {
386 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
389 05118f5a 2021-06-22 stsp if (waitpid(idxpid, &idxstatus, 0) == -1) {
390 05118f5a 2021-06-22 stsp err = got_error_from_errno("waitpid");
394 05118f5a 2021-06-22 stsp if (rename(tmpidxpath, idxpath) == -1) {
395 05118f5a 2021-06-22 stsp err = got_error_from_errno3("rename", tmpidxpath, idxpath);
398 05118f5a 2021-06-22 stsp free(tmpidxpath);
399 05118f5a 2021-06-22 stsp tmpidxpath = NULL;
402 05118f5a 2021-06-22 stsp if (tmpidxpath && unlink(tmpidxpath) == -1 && err == NULL)
403 05118f5a 2021-06-22 stsp err = got_error_from_errno2("unlink", tmpidxpath);
404 05118f5a 2021-06-22 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
405 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
406 05118f5a 2021-06-22 stsp if (idxfd != -1 && close(idxfd) == -1 && err == NULL)
407 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
408 05118f5a 2021-06-22 stsp for (i = 0; i < nitems(tmpfds); i++) {
409 05118f5a 2021-06-22 stsp if (tmpfds[i] != -1 && close(tmpfds[i]) == -1 && err == NULL)
410 05118f5a 2021-06-22 stsp err = got_error_from_errno("close");
412 05118f5a 2021-06-22 stsp free(tmpidxpath);
413 05118f5a 2021-06-22 stsp free(idxpath);
414 05118f5a 2021-06-22 stsp free(packfile_path);
415 05118f5a 2021-06-22 stsp return err;
418 05118f5a 2021-06-22 stsp const struct got_error *
419 05118f5a 2021-06-22 stsp got_repo_find_pack(FILE **packfile, struct got_object_id **pack_hash,
420 05118f5a 2021-06-22 stsp struct got_repository *repo, const char *packfile_path)
422 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
423 05118f5a 2021-06-22 stsp const char *packdir_path = NULL;
424 05118f5a 2021-06-22 stsp char *packfile_name = NULL, *p, *dot;
425 05118f5a 2021-06-22 stsp struct got_object_id id;
426 05118f5a 2021-06-22 stsp int packfd = -1;
428 05118f5a 2021-06-22 stsp *packfile = NULL;
429 05118f5a 2021-06-22 stsp *pack_hash = NULL;
431 05118f5a 2021-06-22 stsp packdir_path = got_repo_get_path_objects_pack(repo);
432 05118f5a 2021-06-22 stsp if (packdir_path == NULL)
433 05118f5a 2021-06-22 stsp return got_error_from_errno("got_repo_get_path_objects_pack");
435 05118f5a 2021-06-22 stsp if (!got_path_is_child(packfile_path, packdir_path,
436 05118f5a 2021-06-22 stsp strlen(packdir_path))) {
437 05118f5a 2021-06-22 stsp err = got_error_path(packfile_path, GOT_ERR_BAD_PATH);
442 05118f5a 2021-06-22 stsp err = got_path_basename(&packfile_name, packfile_path);
445 05118f5a 2021-06-22 stsp p = packfile_name;
447 05118f5a 2021-06-22 stsp if (strncmp(p, "pack-", 5) != 0) {
448 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
449 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
450 abc59930 2021-09-05 naddy packfile_name);
454 05118f5a 2021-06-22 stsp dot = strchr(p, '.');
455 05118f5a 2021-06-22 stsp if (dot == NULL) {
456 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
457 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
458 abc59930 2021-09-05 naddy packfile_name);
461 05118f5a 2021-06-22 stsp if (strcmp(dot + 1, "pack") != 0) {
462 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
463 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
464 abc59930 2021-09-05 naddy packfile_name);
467 05118f5a 2021-06-22 stsp *dot = '\0';
468 05118f5a 2021-06-22 stsp if (!got_parse_sha1_digest(id.sha1, p)) {
469 05118f5a 2021-06-22 stsp err = got_error_fmt(GOT_ERR_BAD_PATH,
470 abc59930 2021-09-05 naddy "'%s' is not a valid pack file name",
471 abc59930 2021-09-05 naddy packfile_name);
475 05118f5a 2021-06-22 stsp *pack_hash = got_object_id_dup(&id);
476 05118f5a 2021-06-22 stsp if (*pack_hash == NULL) {
477 05118f5a 2021-06-22 stsp err = got_error_from_errno("got_object_id_dup");
481 05118f5a 2021-06-22 stsp packfd = open(packfile_path, O_RDONLY | O_NOFOLLOW);
482 05118f5a 2021-06-22 stsp if (packfd == -1) {
483 05118f5a 2021-06-22 stsp err = got_error_from_errno2("open", packfile_path);
487 05118f5a 2021-06-22 stsp *packfile = fdopen(packfd, "r");
488 05118f5a 2021-06-22 stsp if (*packfile == NULL) {
489 05118f5a 2021-06-22 stsp err = got_error_from_errno2("fdopen", packfile_path);
492 05118f5a 2021-06-22 stsp packfd = -1;
494 05118f5a 2021-06-22 stsp if (packfd != -1 && close(packfd) == -1 && err == NULL)
495 05118f5a 2021-06-22 stsp err = got_error_from_errno2("close", packfile_path);
496 05118f5a 2021-06-22 stsp free(packfile_name);
498 05118f5a 2021-06-22 stsp free(*pack_hash);
499 05118f5a 2021-06-22 stsp *pack_hash = NULL;
501 05118f5a 2021-06-22 stsp return err;
504 05118f5a 2021-06-22 stsp const struct got_error *
505 05118f5a 2021-06-22 stsp got_repo_list_pack(FILE *packfile, struct got_object_id *pack_hash,
506 05118f5a 2021-06-22 stsp struct got_repository *repo, got_pack_list_cb list_cb, void *list_arg,
507 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
509 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
510 05118f5a 2021-06-22 stsp char *id_str = NULL, *idxpath = NULL, *packpath = NULL;
511 05118f5a 2021-06-22 stsp struct got_packidx *packidx = NULL;
512 05118f5a 2021-06-22 stsp struct got_pack *pack = NULL;
513 05118f5a 2021-06-22 stsp uint32_t nobj, i;
515 05118f5a 2021-06-22 stsp err = got_object_id_str(&id_str, pack_hash);
519 05118f5a 2021-06-22 stsp if (asprintf(&packpath, "%s/pack-%s.pack",
520 05118f5a 2021-06-22 stsp GOT_OBJECTS_PACK_DIR, id_str) == -1) {
521 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
524 05118f5a 2021-06-22 stsp if (asprintf(&idxpath, "%s/pack-%s.idx",
525 05118f5a 2021-06-22 stsp GOT_OBJECTS_PACK_DIR, id_str) == -1) {
526 05118f5a 2021-06-22 stsp err = got_error_from_errno("asprintf");
530 05118f5a 2021-06-22 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo), idxpath, 1);
534 05118f5a 2021-06-22 stsp err = got_repo_cache_pack(&pack, repo, packpath, packidx);
538 05118f5a 2021-06-22 stsp nobj = be32toh(packidx->hdr.fanout_table[0xff]);
539 05118f5a 2021-06-22 stsp for (i = 0; i < nobj; i++) {
540 05118f5a 2021-06-22 stsp struct got_packidx_object_id *oid;
541 05118f5a 2021-06-22 stsp struct got_object_id id, base_id;
542 05118f5a 2021-06-22 stsp off_t offset, base_offset = 0;
543 05118f5a 2021-06-22 stsp uint8_t type;
544 05118f5a 2021-06-22 stsp uint64_t size;
545 05118f5a 2021-06-22 stsp size_t tslen, len;
547 05118f5a 2021-06-22 stsp if (cancel_cb) {
548 05118f5a 2021-06-22 stsp err = cancel_cb(cancel_arg);
552 05118f5a 2021-06-22 stsp oid = &packidx->hdr.sorted_ids[i];
553 05118f5a 2021-06-22 stsp memcpy(id.sha1, oid->sha1, SHA1_DIGEST_LENGTH);
555 05118f5a 2021-06-22 stsp offset = got_packidx_get_object_offset(packidx, i);
556 05118f5a 2021-06-22 stsp if (offset == -1) {
557 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_BAD_PACKIDX);
561 05118f5a 2021-06-22 stsp err = got_pack_parse_object_type_and_size(&type, &size, &tslen,
562 05118f5a 2021-06-22 stsp pack, offset);
566 05118f5a 2021-06-22 stsp switch (type) {
567 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_OFFSET_DELTA:
568 05118f5a 2021-06-22 stsp err = got_pack_parse_offset_delta(&base_offset, &len,
569 05118f5a 2021-06-22 stsp pack, offset, tslen);
573 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_REF_DELTA:
574 05118f5a 2021-06-22 stsp err = got_pack_parse_ref_delta(&base_id,
575 05118f5a 2021-06-22 stsp pack, offset, tslen);
580 05118f5a 2021-06-22 stsp err = (*list_cb)(list_arg, &id, type, offset, size,
581 05118f5a 2021-06-22 stsp base_offset, &base_id);
587 05118f5a 2021-06-22 stsp free(id_str);
588 05118f5a 2021-06-22 stsp free(idxpath);
589 05118f5a 2021-06-22 stsp free(packpath);
590 05118f5a 2021-06-22 stsp if (packidx)
591 05118f5a 2021-06-22 stsp got_packidx_close(packidx);
592 b3d68e7f 2021-07-03 stsp return err;
595 b3d68e7f 2021-07-03 stsp static const struct got_error *
596 b3d68e7f 2021-07-03 stsp get_loose_object_ids(struct got_object_idset **loose_ids, off_t *ondisk_size,
597 b3d68e7f 2021-07-03 stsp got_cleanup_progress_cb progress_cb, void *progress_arg,
598 b3d68e7f 2021-07-03 stsp struct got_repository *repo)
600 b3d68e7f 2021-07-03 stsp const struct got_error *err = NULL;
601 b3d68e7f 2021-07-03 stsp char *path_objects = NULL, *path = NULL;
602 b3d68e7f 2021-07-03 stsp DIR *dir = NULL;
603 b3d68e7f 2021-07-03 stsp struct got_object *obj = NULL;
604 b3d68e7f 2021-07-03 stsp struct got_object_id id;
605 b3d68e7f 2021-07-03 stsp int i, fd = -1;
606 b3d68e7f 2021-07-03 stsp struct stat sb;
608 b3d68e7f 2021-07-03 stsp *ondisk_size = 0;
609 b3d68e7f 2021-07-03 stsp *loose_ids = got_object_idset_alloc();
610 b3d68e7f 2021-07-03 stsp if (*loose_ids == NULL)
611 b3d68e7f 2021-07-03 stsp return got_error_from_errno("got_object_idset_alloc");
613 b3d68e7f 2021-07-03 stsp path_objects = got_repo_get_path_objects(repo);
614 b3d68e7f 2021-07-03 stsp if (path_objects == NULL) {
615 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("got_repo_get_path_objects");
619 b3d68e7f 2021-07-03 stsp for (i = 0; i <= 0xff; i++) {
620 b3d68e7f 2021-07-03 stsp struct dirent *dent;
622 b3d68e7f 2021-07-03 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
623 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("asprintf");
627 b3d68e7f 2021-07-03 stsp dir = opendir(path);
628 b3d68e7f 2021-07-03 stsp if (dir == NULL) {
629 b3d68e7f 2021-07-03 stsp if (errno == ENOENT) {
630 b3d68e7f 2021-07-03 stsp err = NULL;
633 b3d68e7f 2021-07-03 stsp err = got_error_from_errno2("opendir", path);
637 b3d68e7f 2021-07-03 stsp while ((dent = readdir(dir)) != NULL) {
638 b3d68e7f 2021-07-03 stsp char *id_str;
640 b3d68e7f 2021-07-03 stsp if (strcmp(dent->d_name, ".") == 0 ||
641 b3d68e7f 2021-07-03 stsp strcmp(dent->d_name, "..") == 0)
644 b3d68e7f 2021-07-03 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
645 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("asprintf");
649 b3d68e7f 2021-07-03 stsp memset(&id, 0, sizeof(id));
650 b3d68e7f 2021-07-03 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
651 b3d68e7f 2021-07-03 stsp free(id_str);
654 b3d68e7f 2021-07-03 stsp free(id_str);
656 b3d68e7f 2021-07-03 stsp err = got_object_open_loose_fd(&fd, &id, repo);
659 b3d68e7f 2021-07-03 stsp if (fstat(fd, &sb) == -1) {
660 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("fstat");
663 d5c81d44 2021-07-08 stsp err = got_object_read_header_privsep(&obj, &id, repo,
667 b3d68e7f 2021-07-03 stsp fd = -1; /* already closed */
669 b3d68e7f 2021-07-03 stsp switch (obj->type) {
670 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_COMMIT:
671 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TREE:
672 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_BLOB:
673 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TAG:
676 b3d68e7f 2021-07-03 stsp err = got_error_fmt(GOT_ERR_OBJ_TYPE,
677 b3d68e7f 2021-07-03 stsp "%d", obj->type);
680 b3d68e7f 2021-07-03 stsp got_object_close(obj);
681 b3d68e7f 2021-07-03 stsp obj = NULL;
682 b3d68e7f 2021-07-03 stsp (*ondisk_size) += sb.st_size;
683 b3d68e7f 2021-07-03 stsp err = got_object_idset_add(*loose_ids, &id, NULL);
686 b3d68e7f 2021-07-03 stsp if (progress_cb) {
687 b3d68e7f 2021-07-03 stsp err = progress_cb(progress_arg,
688 b3d68e7f 2021-07-03 stsp got_object_idset_num_elements(*loose_ids),
695 b3d68e7f 2021-07-03 stsp if (closedir(dir) != 0) {
696 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("closedir");
699 b3d68e7f 2021-07-03 stsp dir = NULL;
701 b3d68e7f 2021-07-03 stsp free(path);
702 b3d68e7f 2021-07-03 stsp path = NULL;
705 b3d68e7f 2021-07-03 stsp if (dir && closedir(dir) != 0 && err == NULL)
706 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("closedir");
707 b3d68e7f 2021-07-03 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
708 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("close");
710 b3d68e7f 2021-07-03 stsp got_object_idset_free(*loose_ids);
711 b3d68e7f 2021-07-03 stsp *loose_ids = NULL;
714 b3d68e7f 2021-07-03 stsp got_object_close(obj);
715 b3d68e7f 2021-07-03 stsp free(path_objects);
716 b3d68e7f 2021-07-03 stsp free(path);
717 b3d68e7f 2021-07-03 stsp return err;
720 b3d68e7f 2021-07-03 stsp static const struct got_error *
721 b3d68e7f 2021-07-03 stsp preserve_loose_object(struct got_object_idset *loose_ids,
722 b3d68e7f 2021-07-03 stsp struct got_object_id *id, struct got_repository *repo, int *npacked)
724 b3d68e7f 2021-07-03 stsp const struct got_error *err = NULL;
725 9614da0d 2021-07-04 stsp struct got_object *obj;
727 b3d68e7f 2021-07-03 stsp if (!got_object_idset_contains(loose_ids, id))
728 b3d68e7f 2021-07-03 stsp return NULL;
731 9614da0d 2021-07-04 stsp * Try to open this object from a pack file. This ensures that
732 9614da0d 2021-07-04 stsp * we do in fact have a valid packed copy of the object. Otherwise
733 9614da0d 2021-07-04 stsp * we should not delete the loose representation of this object.
735 abc59930 2021-09-05 naddy err = got_object_open_packed(&obj, id, repo);
736 abc59930 2021-09-05 naddy if (err == NULL) {
737 9614da0d 2021-07-04 stsp got_object_close(obj);
739 9614da0d 2021-07-04 stsp * The object is referenced and packed.
740 9614da0d 2021-07-04 stsp * We can purge the redundantly stored loose object.
742 9614da0d 2021-07-04 stsp (*npacked)++;
743 9614da0d 2021-07-04 stsp return NULL;
744 9614da0d 2021-07-04 stsp } else if (err->code != GOT_ERR_NO_OBJ)
745 9614da0d 2021-07-04 stsp return err;
748 b3d68e7f 2021-07-03 stsp * This object is referenced and not packed.
749 b3d68e7f 2021-07-03 stsp * Remove it from our purge set.
751 b3d68e7f 2021-07-03 stsp return got_object_idset_remove(NULL, loose_ids, id);
754 b3d68e7f 2021-07-03 stsp static const struct got_error *
755 b3d68e7f 2021-07-03 stsp load_tree_entries(struct got_object_id_queue *ids,
756 b3d68e7f 2021-07-03 stsp struct got_object_idset *loose_ids,
757 b3d68e7f 2021-07-03 stsp struct got_object_idset *traversed_ids, struct got_object_id *tree_id,
758 b3d68e7f 2021-07-03 stsp const char *dpath, struct got_repository *repo, int *npacked,
759 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
761 b3d68e7f 2021-07-03 stsp const struct got_error *err;
762 b3d68e7f 2021-07-03 stsp struct got_tree_object *tree;
763 b3d68e7f 2021-07-03 stsp char *p = NULL;
766 b3d68e7f 2021-07-03 stsp err = got_object_open_as_tree(&tree, repo, tree_id);
768 b3d68e7f 2021-07-03 stsp return err;
770 b3d68e7f 2021-07-03 stsp for (i = 0; i < got_object_tree_get_nentries(tree); i++) {
771 b3d68e7f 2021-07-03 stsp struct got_tree_entry *e = got_object_tree_get_entry(tree, i);
772 b3d68e7f 2021-07-03 stsp struct got_object_id *id = got_tree_entry_get_id(e);
773 b3d68e7f 2021-07-03 stsp mode_t mode = got_tree_entry_get_mode(e);
775 b3d68e7f 2021-07-03 stsp if (cancel_cb) {
776 b3d68e7f 2021-07-03 stsp err = (*cancel_cb)(cancel_arg);
781 b3d68e7f 2021-07-03 stsp if (got_object_tree_entry_is_symlink(e) ||
782 b3d68e7f 2021-07-03 stsp got_object_tree_entry_is_submodule(e) ||
783 b3d68e7f 2021-07-03 stsp got_object_idset_contains(traversed_ids, id))
786 b3d68e7f 2021-07-03 stsp if (asprintf(&p, "%s%s%s", dpath, dpath[0] != '\0' ? "/" : "",
787 b3d68e7f 2021-07-03 stsp got_tree_entry_get_name(e)) == -1) {
788 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("asprintf");
792 b3d68e7f 2021-07-03 stsp if (S_ISDIR(mode)) {
793 b3d68e7f 2021-07-03 stsp struct got_object_qid *qid;
794 b3d68e7f 2021-07-03 stsp err = got_object_qid_alloc(&qid, id);
797 b3d68e7f 2021-07-03 stsp STAILQ_INSERT_TAIL(ids, qid, entry);
798 b3d68e7f 2021-07-03 stsp } else if (S_ISREG(mode)) {
799 b3d68e7f 2021-07-03 stsp /* This blob is referenced. */
800 b3d68e7f 2021-07-03 stsp err = preserve_loose_object(loose_ids, id, repo,
804 b3d68e7f 2021-07-03 stsp err = got_object_idset_add(traversed_ids, id, NULL);
813 b3d68e7f 2021-07-03 stsp got_object_tree_close(tree);
815 b3d68e7f 2021-07-03 stsp return err;
818 b3d68e7f 2021-07-03 stsp static const struct got_error *
819 b3d68e7f 2021-07-03 stsp load_tree(struct got_object_idset *loose_ids,
820 b3d68e7f 2021-07-03 stsp struct got_object_idset *traversed_ids, struct got_object_id *tree_id,
821 b3d68e7f 2021-07-03 stsp const char *dpath, struct got_repository *repo, int *npacked,
822 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
824 b3d68e7f 2021-07-03 stsp const struct got_error *err = NULL;
825 b3d68e7f 2021-07-03 stsp struct got_object_id_queue tree_ids;
826 b3d68e7f 2021-07-03 stsp struct got_object_qid *qid;
828 b3d68e7f 2021-07-03 stsp err = got_object_qid_alloc(&qid, tree_id);
830 b3d68e7f 2021-07-03 stsp return err;
832 b3d68e7f 2021-07-03 stsp STAILQ_INIT(&tree_ids);
833 b3d68e7f 2021-07-03 stsp STAILQ_INSERT_TAIL(&tree_ids, qid, entry);
835 b3d68e7f 2021-07-03 stsp while (!STAILQ_EMPTY(&tree_ids)) {
836 b3d68e7f 2021-07-03 stsp if (cancel_cb) {
837 b3d68e7f 2021-07-03 stsp err = (*cancel_cb)(cancel_arg);
842 b3d68e7f 2021-07-03 stsp qid = STAILQ_FIRST(&tree_ids);
843 b3d68e7f 2021-07-03 stsp STAILQ_REMOVE_HEAD(&tree_ids, entry);
845 b3d68e7f 2021-07-03 stsp if (got_object_idset_contains(traversed_ids, qid->id)) {
846 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
850 b3d68e7f 2021-07-03 stsp err = got_object_idset_add(traversed_ids, qid->id, NULL);
852 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
856 b3d68e7f 2021-07-03 stsp /* This tree is referenced. */
857 b3d68e7f 2021-07-03 stsp err = preserve_loose_object(loose_ids, qid->id, repo, npacked);
861 b3d68e7f 2021-07-03 stsp err = load_tree_entries(&tree_ids, loose_ids, traversed_ids,
862 b3d68e7f 2021-07-03 stsp qid->id, dpath, repo, npacked, cancel_cb, cancel_arg);
863 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
868 b3d68e7f 2021-07-03 stsp got_object_id_queue_free(&tree_ids);
869 b3d68e7f 2021-07-03 stsp return err;
872 b3d68e7f 2021-07-03 stsp static const struct got_error *
873 b3d68e7f 2021-07-03 stsp load_commit_or_tag(struct got_object_idset *loose_ids, int *ncommits,
874 b3d68e7f 2021-07-03 stsp int *npacked, struct got_object_idset *traversed_ids,
875 b3d68e7f 2021-07-03 stsp struct got_object_id *id, struct got_repository *repo,
876 b3d68e7f 2021-07-03 stsp got_cleanup_progress_cb progress_cb, void *progress_arg, int nloose,
877 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
879 b3d68e7f 2021-07-03 stsp const struct got_error *err;
880 b3d68e7f 2021-07-03 stsp struct got_commit_object *commit = NULL;
881 b3d68e7f 2021-07-03 stsp struct got_tag_object *tag = NULL;
882 b3d68e7f 2021-07-03 stsp struct got_object_id *tree_id = NULL;
883 b3d68e7f 2021-07-03 stsp struct got_object_id_queue ids;
884 b3d68e7f 2021-07-03 stsp struct got_object_qid *qid;
885 b3d68e7f 2021-07-03 stsp int obj_type;
887 b3d68e7f 2021-07-03 stsp err = got_object_qid_alloc(&qid, id);
889 b3d68e7f 2021-07-03 stsp return err;
891 b3d68e7f 2021-07-03 stsp STAILQ_INIT(&ids);
892 b3d68e7f 2021-07-03 stsp STAILQ_INSERT_TAIL(&ids, qid, entry);
894 b3d68e7f 2021-07-03 stsp while (!STAILQ_EMPTY(&ids)) {
895 b3d68e7f 2021-07-03 stsp if (cancel_cb) {
896 b3d68e7f 2021-07-03 stsp err = (*cancel_cb)(cancel_arg);
901 b3d68e7f 2021-07-03 stsp qid = STAILQ_FIRST(&ids);
902 b3d68e7f 2021-07-03 stsp STAILQ_REMOVE_HEAD(&ids, entry);
904 b3d68e7f 2021-07-03 stsp if (got_object_idset_contains(traversed_ids, qid->id)) {
905 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
906 b3d68e7f 2021-07-03 stsp qid = NULL;
910 b3d68e7f 2021-07-03 stsp err = got_object_idset_add(traversed_ids, qid->id, NULL);
914 b3d68e7f 2021-07-03 stsp /* This commit or tag is referenced. */
915 b3d68e7f 2021-07-03 stsp err = preserve_loose_object(loose_ids, qid->id, repo, npacked);
919 b3d68e7f 2021-07-03 stsp err = got_object_get_type(&obj_type, repo, qid->id);
922 b3d68e7f 2021-07-03 stsp switch (obj_type) {
923 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_COMMIT:
924 b3d68e7f 2021-07-03 stsp err = got_object_open_as_commit(&commit, repo, qid->id);
928 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TAG:
929 b3d68e7f 2021-07-03 stsp err = got_object_open_as_tag(&tag, repo, qid->id);
934 b3d68e7f 2021-07-03 stsp /* should not happen */
935 b3d68e7f 2021-07-03 stsp err = got_error(GOT_ERR_OBJ_TYPE);
939 b3d68e7f 2021-07-03 stsp /* Find a tree object to scan. */
940 b3d68e7f 2021-07-03 stsp if (commit) {
941 b3d68e7f 2021-07-03 stsp tree_id = got_object_commit_get_tree_id(commit);
942 b3d68e7f 2021-07-03 stsp } else if (tag) {
943 b3d68e7f 2021-07-03 stsp obj_type = got_object_tag_get_object_type(tag);
944 b3d68e7f 2021-07-03 stsp switch (obj_type) {
945 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_COMMIT:
946 b3d68e7f 2021-07-03 stsp err = got_object_open_as_commit(&commit, repo,
947 b3d68e7f 2021-07-03 stsp got_object_tag_get_object_id(tag));
950 b3d68e7f 2021-07-03 stsp tree_id = got_object_commit_get_tree_id(commit);
952 b3d68e7f 2021-07-03 stsp case GOT_OBJ_TYPE_TREE:
953 b3d68e7f 2021-07-03 stsp tree_id = got_object_tag_get_object_id(tag);
957 b3d68e7f 2021-07-03 stsp * Tag points at something other than a
958 b3d68e7f 2021-07-03 stsp * commit or tree. Leave this weird tag object
959 b3d68e7f 2021-07-03 stsp * and the object it points to on disk.
961 b3d68e7f 2021-07-03 stsp err = got_object_idset_remove(NULL, loose_ids,
963 b3d68e7f 2021-07-03 stsp if (err && err->code != GOT_ERR_NO_OBJ)
965 b3d68e7f 2021-07-03 stsp err = got_object_idset_remove(NULL, loose_ids,
966 b3d68e7f 2021-07-03 stsp got_object_tag_get_object_id(tag));
967 b3d68e7f 2021-07-03 stsp if (err && err->code != GOT_ERR_NO_OBJ)
969 b3d68e7f 2021-07-03 stsp err = NULL;
974 b3d68e7f 2021-07-03 stsp if (tree_id) {
975 b3d68e7f 2021-07-03 stsp err = load_tree(loose_ids, traversed_ids, tree_id, "",
976 b3d68e7f 2021-07-03 stsp repo, npacked, cancel_cb, cancel_arg);
981 b3d68e7f 2021-07-03 stsp if (commit || tag)
982 b3d68e7f 2021-07-03 stsp (*ncommits)++; /* scanned tags are counted as commits */
984 b3d68e7f 2021-07-03 stsp if (progress_cb) {
985 b3d68e7f 2021-07-03 stsp err = progress_cb(progress_arg, nloose, *ncommits, -1);
990 b3d68e7f 2021-07-03 stsp if (commit) {
991 b3d68e7f 2021-07-03 stsp /* Find parent commits to scan. */
992 b3d68e7f 2021-07-03 stsp const struct got_object_id_queue *parent_ids;
993 b3d68e7f 2021-07-03 stsp parent_ids = got_object_commit_get_parent_ids(commit);
994 b3d68e7f 2021-07-03 stsp err = got_object_id_queue_copy(parent_ids, &ids);
997 b3d68e7f 2021-07-03 stsp got_object_commit_close(commit);
998 b3d68e7f 2021-07-03 stsp commit = NULL;
1000 b3d68e7f 2021-07-03 stsp if (tag) {
1001 b3d68e7f 2021-07-03 stsp got_object_tag_close(tag);
1002 b3d68e7f 2021-07-03 stsp tag = NULL;
1004 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
1005 b3d68e7f 2021-07-03 stsp qid = NULL;
1009 b3d68e7f 2021-07-03 stsp got_object_qid_free(qid);
1010 b3d68e7f 2021-07-03 stsp if (commit)
1011 b3d68e7f 2021-07-03 stsp got_object_commit_close(commit);
1013 b3d68e7f 2021-07-03 stsp got_object_tag_close(tag);
1014 4b2e47fb 2021-07-03 stsp got_object_id_queue_free(&ids);
1015 b3d68e7f 2021-07-03 stsp return err;
1018 b3d68e7f 2021-07-03 stsp struct purge_loose_object_arg {
1019 b3d68e7f 2021-07-03 stsp struct got_repository *repo;
1020 b3d68e7f 2021-07-03 stsp got_cleanup_progress_cb progress_cb;
1021 b3d68e7f 2021-07-03 stsp void *progress_arg;
1022 b3d68e7f 2021-07-03 stsp int nloose;
1023 b3d68e7f 2021-07-03 stsp int ncommits;
1024 b3d68e7f 2021-07-03 stsp int npurged;
1025 b3d68e7f 2021-07-03 stsp off_t size_purged;
1026 b3d68e7f 2021-07-03 stsp int dry_run;
1027 ef8ec606 2021-07-27 stsp time_t max_mtime;
1028 ef8ec606 2021-07-27 stsp int ignore_mtime;
1031 b3d68e7f 2021-07-03 stsp static const struct got_error *
1032 b3d68e7f 2021-07-03 stsp purge_loose_object(struct got_object_id *id, void *data, void *arg)
1034 b3d68e7f 2021-07-03 stsp struct purge_loose_object_arg *a = arg;
1035 b3d68e7f 2021-07-03 stsp const struct got_error *err, *unlock_err = NULL;
1036 b3d68e7f 2021-07-03 stsp char *path = NULL;
1037 b3d68e7f 2021-07-03 stsp int fd = -1;
1038 b3d68e7f 2021-07-03 stsp struct stat sb;
1039 b3d68e7f 2021-07-03 stsp struct got_lockfile *lf = NULL;
1041 b3d68e7f 2021-07-03 stsp err = got_object_get_path(&path, id, a->repo);
1043 b3d68e7f 2021-07-03 stsp return err;
1045 b3d68e7f 2021-07-03 stsp err = got_object_open_loose_fd(&fd, id, a->repo);
1047 b3d68e7f 2021-07-03 stsp goto done;
1049 b3d68e7f 2021-07-03 stsp if (fstat(fd, &sb) == -1) {
1050 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("fstat");
1051 b3d68e7f 2021-07-03 stsp goto done;
1055 ef8ec606 2021-07-27 stsp * Do not delete objects which are younger than our maximum
1056 ef8ec606 2021-07-27 stsp * modification time threshold. This prevents a race where
1057 ef8ec606 2021-07-27 stsp * new objects which are being added to the repository
1058 ef8ec606 2021-07-27 stsp * concurrently would be deleted.
1060 ef8ec606 2021-07-27 stsp if (a->ignore_mtime || sb.st_mtime <= a->max_mtime) {
1061 ef8ec606 2021-07-27 stsp if (!a->dry_run) {
1062 ef8ec606 2021-07-27 stsp err = got_lockfile_lock(&lf, path, -1);
1064 ef8ec606 2021-07-27 stsp goto done;
1065 ef8ec606 2021-07-27 stsp if (unlink(path) == -1) {
1066 ef8ec606 2021-07-27 stsp err = got_error_from_errno2("unlink", path);
1067 ef8ec606 2021-07-27 stsp goto done;
1071 ef8ec606 2021-07-27 stsp a->npurged++;
1072 ef8ec606 2021-07-27 stsp a->size_purged += sb.st_size;
1073 ef8ec606 2021-07-27 stsp if (a->progress_cb) {
1074 ef8ec606 2021-07-27 stsp err = a->progress_cb(a->progress_arg, a->nloose,
1075 ef8ec606 2021-07-27 stsp a->ncommits, a->npurged);
1079 b3d68e7f 2021-07-03 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
1080 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("close");
1081 b3d68e7f 2021-07-03 stsp free(path);
1083 5345b4c7 2021-07-06 stsp unlock_err = got_lockfile_unlock(lf, -1);
1084 b3d68e7f 2021-07-03 stsp return err ? err : unlock_err;
1087 b3d68e7f 2021-07-03 stsp const struct got_error *
1088 b3d68e7f 2021-07-03 stsp got_repo_purge_unreferenced_loose_objects(struct got_repository *repo,
1089 b3d68e7f 2021-07-03 stsp off_t *size_before, off_t *size_after, int *npacked, int dry_run,
1090 ef8ec606 2021-07-27 stsp int ignore_mtime, got_cleanup_progress_cb progress_cb, void *progress_arg,
1091 b3d68e7f 2021-07-03 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1093 b3d68e7f 2021-07-03 stsp const struct got_error *err;
1094 b3d68e7f 2021-07-03 stsp struct got_object_idset *loose_ids;
1095 b3d68e7f 2021-07-03 stsp struct got_object_idset *traversed_ids;
1096 b3d68e7f 2021-07-03 stsp struct got_object_id **referenced_ids;
1097 b3d68e7f 2021-07-03 stsp int i, nreferenced, nloose, ncommits = 0;
1098 b3d68e7f 2021-07-03 stsp struct got_reflist_head refs;
1099 ef8ec606 2021-07-27 stsp struct got_reflist_entry *re;
1100 b3d68e7f 2021-07-03 stsp struct purge_loose_object_arg arg;
1101 ef8ec606 2021-07-27 stsp time_t max_mtime = 0;
1103 b3d68e7f 2021-07-03 stsp TAILQ_INIT(&refs);
1105 b3d68e7f 2021-07-03 stsp *size_before = 0;
1106 b3d68e7f 2021-07-03 stsp *size_after = 0;
1107 b3d68e7f 2021-07-03 stsp *npacked = 0;
1109 b3d68e7f 2021-07-03 stsp err = get_loose_object_ids(&loose_ids, size_before,
1110 b3d68e7f 2021-07-03 stsp progress_cb, progress_arg, repo);
1112 b3d68e7f 2021-07-03 stsp return err;
1113 b3d68e7f 2021-07-03 stsp nloose = got_object_idset_num_elements(loose_ids);
1114 b3d68e7f 2021-07-03 stsp if (nloose == 0) {
1115 b3d68e7f 2021-07-03 stsp got_object_idset_free(loose_ids);
1116 b3d68e7f 2021-07-03 stsp return NULL;
1119 b3d68e7f 2021-07-03 stsp traversed_ids = got_object_idset_alloc();
1120 b3d68e7f 2021-07-03 stsp if (traversed_ids == NULL) {
1121 b3d68e7f 2021-07-03 stsp err = got_error_from_errno("got_object_idset_alloc");
1122 b3d68e7f 2021-07-03 stsp goto done;
1125 b3d68e7f 2021-07-03 stsp err = got_ref_list(&refs, repo, "", got_ref_cmp_by_name, NULL);
1127 b3d68e7f 2021-07-03 stsp goto done;
1128 ef8ec606 2021-07-27 stsp if (!ignore_mtime) {
1129 ef8ec606 2021-07-27 stsp TAILQ_FOREACH(re, &refs, entry) {
1130 ef8ec606 2021-07-27 stsp time_t mtime = got_ref_get_mtime(re->ref);
1131 ef8ec606 2021-07-27 stsp if (mtime > max_mtime)
1132 ef8ec606 2021-07-27 stsp max_mtime = mtime;
1135 ef8ec606 2021-07-27 stsp * For safety, keep objects created within 10 minutes
1136 ef8ec606 2021-07-27 stsp * before the youngest reference was created.
1138 ef8ec606 2021-07-27 stsp if (max_mtime >= 600)
1139 ef8ec606 2021-07-27 stsp max_mtime -= 600;
1142 b3d68e7f 2021-07-03 stsp err = get_reflist_object_ids(&referenced_ids, &nreferenced,
1143 b3d68e7f 2021-07-03 stsp (1 << GOT_OBJ_TYPE_COMMIT) | (1 << GOT_OBJ_TYPE_TAG),
1144 b3d68e7f 2021-07-03 stsp &refs, repo, cancel_cb, cancel_arg);
1146 b3d68e7f 2021-07-03 stsp goto done;
1148 b3d68e7f 2021-07-03 stsp for (i = 0; i < nreferenced; i++) {
1149 b3d68e7f 2021-07-03 stsp struct got_object_id *id = referenced_ids[i];
1150 b3d68e7f 2021-07-03 stsp err = load_commit_or_tag(loose_ids, &ncommits, npacked,
1151 b3d68e7f 2021-07-03 stsp traversed_ids, id, repo, progress_cb, progress_arg, nloose,
1152 b3d68e7f 2021-07-03 stsp cancel_cb, cancel_arg);
1154 b3d68e7f 2021-07-03 stsp goto done;
1157 b3d68e7f 2021-07-03 stsp /* Produce a final progress report in case no objects can be purged. */
1158 b3d68e7f 2021-07-03 stsp if (got_object_idset_num_elements(loose_ids) == 0 && progress_cb) {
1159 b3d68e7f 2021-07-03 stsp err = progress_cb(progress_arg, nloose, ncommits, 0);
1161 b3d68e7f 2021-07-03 stsp goto done;
1164 b3d68e7f 2021-07-03 stsp /* Any remaining loose objects are unreferenced and can be purged. */
1165 b3d68e7f 2021-07-03 stsp arg.repo = repo;
1166 b3d68e7f 2021-07-03 stsp arg.progress_arg = progress_arg;
1167 b3d68e7f 2021-07-03 stsp arg.progress_cb = progress_cb;
1168 b3d68e7f 2021-07-03 stsp arg.nloose = nloose;
1169 b3d68e7f 2021-07-03 stsp arg.npurged = 0;
1170 b3d68e7f 2021-07-03 stsp arg.size_purged = 0;
1171 b3d68e7f 2021-07-03 stsp arg.ncommits = ncommits;
1172 b3d68e7f 2021-07-03 stsp arg.dry_run = dry_run;
1173 ef8ec606 2021-07-27 stsp arg.max_mtime = max_mtime;
1174 ef8ec606 2021-07-27 stsp arg.ignore_mtime = ignore_mtime;
1175 b3d68e7f 2021-07-03 stsp err = got_object_idset_for_each(loose_ids, purge_loose_object, &arg);
1177 b3d68e7f 2021-07-03 stsp goto done;
1178 b3d68e7f 2021-07-03 stsp *size_after = *size_before - arg.size_purged;
1180 b3d68e7f 2021-07-03 stsp got_object_idset_free(loose_ids);
1181 b3d68e7f 2021-07-03 stsp got_object_idset_free(traversed_ids);
1182 1124fe40 2021-07-07 stsp return err;
1185 1124fe40 2021-07-07 stsp static const struct got_error *
1186 1124fe40 2021-07-07 stsp remove_packidx(int dir_fd, const char *relpath)
1188 1124fe40 2021-07-07 stsp const struct got_error *err, *unlock_err;
1189 1124fe40 2021-07-07 stsp struct got_lockfile *lf;
1191 1124fe40 2021-07-07 stsp err = got_lockfile_lock(&lf, relpath, dir_fd);
1193 1124fe40 2021-07-07 stsp return err;
1194 1124fe40 2021-07-07 stsp if (unlinkat(dir_fd, relpath, 0) == -1)
1195 1124fe40 2021-07-07 stsp err = got_error_from_errno("unlinkat");
1196 1124fe40 2021-07-07 stsp unlock_err = got_lockfile_unlock(lf, dir_fd);
1197 1124fe40 2021-07-07 stsp return err ? err : unlock_err;
1200 1124fe40 2021-07-07 stsp const struct got_error *
1201 1124fe40 2021-07-07 stsp got_repo_remove_lonely_packidx(struct got_repository *repo, int dry_run,
1202 1124fe40 2021-07-07 stsp got_lonely_packidx_progress_cb progress_cb, void *progress_arg,
1203 1124fe40 2021-07-07 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1205 1124fe40 2021-07-07 stsp const struct got_error *err;
1206 1124fe40 2021-07-07 stsp DIR *packdir = NULL;
1207 1124fe40 2021-07-07 stsp struct dirent *dent;
1208 1124fe40 2021-07-07 stsp char *pack_relpath = NULL;
1209 1124fe40 2021-07-07 stsp int packdir_fd;
1210 1124fe40 2021-07-07 stsp struct stat sb;
1212 1124fe40 2021-07-07 stsp packdir_fd = openat(got_repo_get_fd(repo),
1213 1124fe40 2021-07-07 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
1214 1124fe40 2021-07-07 stsp if (packdir_fd == -1) {
1215 1124fe40 2021-07-07 stsp if (errno == ENOENT)
1216 1124fe40 2021-07-07 stsp return NULL;
1217 1124fe40 2021-07-07 stsp return got_error_from_errno_fmt("openat: %s/%s",
1218 1124fe40 2021-07-07 stsp got_repo_get_path_git_dir(repo),
1219 1124fe40 2021-07-07 stsp GOT_OBJECTS_PACK_DIR);
1222 1124fe40 2021-07-07 stsp packdir = fdopendir(packdir_fd);
1223 1124fe40 2021-07-07 stsp if (packdir == NULL) {
1224 1124fe40 2021-07-07 stsp err = got_error_from_errno("fdopendir");
1225 1124fe40 2021-07-07 stsp goto done;
1228 1124fe40 2021-07-07 stsp while ((dent = readdir(packdir)) != NULL) {
1229 1124fe40 2021-07-07 stsp if (cancel_cb) {
1230 1124fe40 2021-07-07 stsp err = cancel_cb(cancel_arg);
1232 1124fe40 2021-07-07 stsp goto done;
1235 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1236 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1239 1124fe40 2021-07-07 stsp err = got_packidx_get_packfile_path(&pack_relpath,
1240 1124fe40 2021-07-07 stsp dent->d_name);
1242 1124fe40 2021-07-07 stsp goto done;
1244 1124fe40 2021-07-07 stsp if (fstatat(packdir_fd, pack_relpath, &sb, 0) != -1) {
1245 1124fe40 2021-07-07 stsp free(pack_relpath);
1246 1124fe40 2021-07-07 stsp pack_relpath = NULL;
1249 1124fe40 2021-07-07 stsp if (errno != ENOENT) {
1250 1124fe40 2021-07-07 stsp err = got_error_from_errno_fmt("fstatat: %s/%s/%s",
1251 1124fe40 2021-07-07 stsp got_repo_get_path_git_dir(repo),
1252 1124fe40 2021-07-07 stsp GOT_OBJECTS_PACK_DIR,
1253 1124fe40 2021-07-07 stsp pack_relpath);
1254 1124fe40 2021-07-07 stsp goto done;
1257 1124fe40 2021-07-07 stsp if (!dry_run) {
1258 1124fe40 2021-07-07 stsp err = remove_packidx(packdir_fd, dent->d_name);
1260 1124fe40 2021-07-07 stsp goto done;
1262 1124fe40 2021-07-07 stsp if (progress_cb) {
1263 1124fe40 2021-07-07 stsp char *path;
1264 1124fe40 2021-07-07 stsp if (asprintf(&path, "%s/%s/%s",
1265 1124fe40 2021-07-07 stsp got_repo_get_path_git_dir(repo),
1266 1124fe40 2021-07-07 stsp GOT_OBJECTS_PACK_DIR,
1267 1124fe40 2021-07-07 stsp dent->d_name) == -1) {
1268 1124fe40 2021-07-07 stsp err = got_error_from_errno("asprintf");
1269 1124fe40 2021-07-07 stsp goto done;
1271 1124fe40 2021-07-07 stsp err = progress_cb(progress_arg, path);
1272 1124fe40 2021-07-07 stsp free(path);
1274 1124fe40 2021-07-07 stsp goto done;
1276 1124fe40 2021-07-07 stsp free(pack_relpath);
1277 1124fe40 2021-07-07 stsp pack_relpath = NULL;
1280 1124fe40 2021-07-07 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1281 1124fe40 2021-07-07 stsp err = got_error_from_errno("closedir");
1282 1124fe40 2021-07-07 stsp free(pack_relpath);
1283 b3d68e7f 2021-07-03 stsp return err;
