2 f8a36e22 2021-08-26 stsp * Copyright (c) 2018, 2019 Ori Bernstein <ori@openbsd.org>
3 f8a36e22 2021-08-26 stsp * Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
5 f8a36e22 2021-08-26 stsp * Permission to use, copy, modify, and distribute this software for any
6 f8a36e22 2021-08-26 stsp * purpose with or without fee is hereby granted, provided that the above
7 f8a36e22 2021-08-26 stsp * copyright notice and this permission notice appear in all copies.
9 f8a36e22 2021-08-26 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 f8a36e22 2021-08-26 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 f8a36e22 2021-08-26 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 f8a36e22 2021-08-26 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 f8a36e22 2021-08-26 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 f8a36e22 2021-08-26 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 f8a36e22 2021-08-26 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 f8a36e22 2021-08-26 stsp #include <sys/types.h>
19 f8a36e22 2021-08-26 stsp #include <sys/stat.h>
20 f8a36e22 2021-08-26 stsp #include <sys/queue.h>
21 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
22 f8a36e22 2021-08-26 stsp #include <sys/uio.h>
23 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
24 f8a36e22 2021-08-26 stsp #include <sys/wait.h>
25 f8a36e22 2021-08-26 stsp #include <sys/resource.h>
26 f8a36e22 2021-08-26 stsp #include <sys/socket.h>
28 f8a36e22 2021-08-26 stsp #include <endian.h>
29 f8a36e22 2021-08-26 stsp #include <errno.h>
30 f8a36e22 2021-08-26 stsp #include <err.h>
31 f8a36e22 2021-08-26 stsp #include <fcntl.h>
32 f8a36e22 2021-08-26 stsp #include <stdio.h>
33 f8a36e22 2021-08-26 stsp #include <stdlib.h>
34 f8a36e22 2021-08-26 stsp #include <string.h>
35 f8a36e22 2021-08-26 stsp #include <stdint.h>
36 f8a36e22 2021-08-26 stsp #include <sha1.h>
37 f8a36e22 2021-08-26 stsp #include <unistd.h>
38 f8a36e22 2021-08-26 stsp #include <zlib.h>
39 f8a36e22 2021-08-26 stsp #include <ctype.h>
40 f8a36e22 2021-08-26 stsp #include <limits.h>
41 f8a36e22 2021-08-26 stsp #include <imsg.h>
42 f8a36e22 2021-08-26 stsp #include <time.h>
43 f8a36e22 2021-08-26 stsp #include <uuid.h>
45 f8a36e22 2021-08-26 stsp #include "got_error.h"
46 f8a36e22 2021-08-26 stsp #include "got_reference.h"
47 f8a36e22 2021-08-26 stsp #include "got_repository.h"
48 f8a36e22 2021-08-26 stsp #include "got_path.h"
49 f8a36e22 2021-08-26 stsp #include "got_cancel.h"
50 f8a36e22 2021-08-26 stsp #include "got_worktree.h"
51 f8a36e22 2021-08-26 stsp #include "got_object.h"
52 f8a36e22 2021-08-26 stsp #include "got_opentemp.h"
53 f8a36e22 2021-08-26 stsp #include "got_send.h"
54 f8a36e22 2021-08-26 stsp #include "got_repository_admin.h"
55 f8a36e22 2021-08-26 stsp #include "got_commit_graph.h"
57 f8a36e22 2021-08-26 stsp #include "got_lib_delta.h"
58 f8a36e22 2021-08-26 stsp #include "got_lib_inflate.h"
59 f8a36e22 2021-08-26 stsp #include "got_lib_object.h"
60 f8a36e22 2021-08-26 stsp #include "got_lib_object_parse.h"
61 f8a36e22 2021-08-26 stsp #include "got_lib_object_create.h"
62 f8a36e22 2021-08-26 stsp #include "got_lib_pack.h"
63 f8a36e22 2021-08-26 stsp #include "got_lib_sha1.h"
64 f8a36e22 2021-08-26 stsp #include "got_lib_privsep.h"
65 f8a36e22 2021-08-26 stsp #include "got_lib_object_cache.h"
66 f8a36e22 2021-08-26 stsp #include "got_lib_repository.h"
67 f8a36e22 2021-08-26 stsp #include "got_lib_pack_create.h"
68 d65a88a2 2021-09-05 stsp #include "got_lib_dial.h"
70 f8a36e22 2021-08-26 stsp #ifndef nitems
71 f8a36e22 2021-08-26 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
74 f8a36e22 2021-08-26 stsp #ifndef ssizeof
75 f8a36e22 2021-08-26 stsp #define ssizeof(_x) ((ssize_t)(sizeof(_x)))
79 f8a36e22 2021-08-26 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
82 f8a36e22 2021-08-26 stsp const struct got_error *
83 f8a36e22 2021-08-26 stsp got_send_connect(pid_t *sendpid, int *sendfd, const char *proto,
84 f8a36e22 2021-08-26 stsp const char *host, const char *port, const char *server_path, int verbosity)
86 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
88 f8a36e22 2021-08-26 stsp *sendpid = -1;
89 f8a36e22 2021-08-26 stsp *sendfd = -1;
91 f8a36e22 2021-08-26 stsp if (strcmp(proto, "ssh") == 0 || strcmp(proto, "git+ssh") == 0)
92 d65a88a2 2021-09-05 stsp err = got_dial_ssh(sendpid, sendfd, host, port, server_path,
93 d65a88a2 2021-09-05 stsp GOT_DIAL_DIRECTION_SEND, verbosity);
94 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "git") == 0)
95 d65a88a2 2021-09-05 stsp err = got_dial_git(sendfd, host, port, server_path,
96 d65a88a2 2021-09-05 stsp GOT_DIAL_DIRECTION_SEND);
97 f8a36e22 2021-08-26 stsp else if (strcmp(proto, "http") == 0 || strcmp(proto, "git+http") == 0)
98 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_NOT_IMPL);
100 f8a36e22 2021-08-26 stsp err = got_error_path(proto, GOT_ERR_BAD_PROTO);
101 f8a36e22 2021-08-26 stsp return err;
104 f8a36e22 2021-08-26 stsp struct pack_progress_arg {
105 f8a36e22 2021-08-26 stsp got_send_progress_cb progress_cb;
106 f8a36e22 2021-08-26 stsp void *progress_arg;
108 b8af7c06 2022-03-15 stsp int ncolored;
109 b8af7c06 2022-03-15 stsp int nfound;
110 b8af7c06 2022-03-15 stsp int ntrees;
111 f8a36e22 2021-08-26 stsp off_t packfile_size;
112 f8a36e22 2021-08-26 stsp int ncommits;
113 f8a36e22 2021-08-26 stsp int nobj_total;
114 f8a36e22 2021-08-26 stsp int nobj_deltify;
115 f8a36e22 2021-08-26 stsp int nobj_written;
118 f8a36e22 2021-08-26 stsp static const struct got_error *
119 b8af7c06 2022-03-15 stsp pack_progress(void *arg, int ncolored, int nfound, int ntrees,
120 b8af7c06 2022-03-15 stsp off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
121 b8af7c06 2022-03-15 stsp int nobj_written)
123 f8a36e22 2021-08-26 stsp const struct got_error *err;
124 f8a36e22 2021-08-26 stsp struct pack_progress_arg *a = arg;
126 b8af7c06 2022-03-15 stsp err = a->progress_cb(a->progress_arg, ncolored, nfound, ntrees,
127 b8af7c06 2022-03-15 stsp packfile_size, ncommits, nobj_total, nobj_deltify,
128 b8af7c06 2022-03-15 stsp nobj_written, 0, NULL, 0);
130 f8a36e22 2021-08-26 stsp return err;
132 b8af7c06 2022-03-15 stsp a->ncolored= ncolored;
133 b8af7c06 2022-03-15 stsp a->nfound = nfound;
134 b8af7c06 2022-03-15 stsp a->ntrees = ntrees;
135 f8a36e22 2021-08-26 stsp a->packfile_size = packfile_size;
136 f8a36e22 2021-08-26 stsp a->ncommits = ncommits;
137 f8a36e22 2021-08-26 stsp a->nobj_total = nobj_total;
138 f8a36e22 2021-08-26 stsp a->nobj_deltify = nobj_deltify;
139 f8a36e22 2021-08-26 stsp a->nobj_written = nobj_written;
140 f8a36e22 2021-08-26 stsp return NULL;
143 f8a36e22 2021-08-26 stsp static const struct got_error *
144 f8a36e22 2021-08-26 stsp insert_ref(struct got_reflist_head *refs, const char *refname,
145 f8a36e22 2021-08-26 stsp struct got_repository *repo)
147 f8a36e22 2021-08-26 stsp const struct got_error *err;
148 f8a36e22 2021-08-26 stsp struct got_reference *ref;
149 f8a36e22 2021-08-26 stsp struct got_reflist_entry *new;
151 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, refname, 0);
153 f8a36e22 2021-08-26 stsp return err;
155 f8a36e22 2021-08-26 stsp err = got_reflist_insert(&new, refs, ref, got_ref_cmp_by_name, NULL);
156 f8a36e22 2021-08-26 stsp if (err || new == NULL /* duplicate */)
157 f8a36e22 2021-08-26 stsp got_ref_close(ref);
159 f8a36e22 2021-08-26 stsp return err;
162 f8a36e22 2021-08-26 stsp static const struct got_error *
163 f8a36e22 2021-08-26 stsp check_linear_ancestry(const char *refname, struct got_object_id *my_id,
164 f8a36e22 2021-08-26 stsp struct got_object_id *their_id, struct got_repository *repo,
165 f8a36e22 2021-08-26 stsp got_cancel_cb cancel_cb, void *cancel_arg)
167 f8a36e22 2021-08-26 stsp const struct got_error *err = NULL;
168 f8a36e22 2021-08-26 stsp struct got_object_id *yca_id;
169 f8a36e22 2021-08-26 stsp int obj_type;
171 f8a36e22 2021-08-26 stsp err = got_object_get_type(&obj_type, repo, their_id);
173 f8a36e22 2021-08-26 stsp return err;
174 f8a36e22 2021-08-26 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
175 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_OBJ_TYPE,
176 f8a36e22 2021-08-26 stsp "bad object type on server for %s", refname);
178 f8a36e22 2021-08-26 stsp err = got_commit_graph_find_youngest_common_ancestor(&yca_id,
179 4e91ef15 2021-09-26 stsp my_id, their_id, 1, repo, cancel_cb, cancel_arg);
181 f8a36e22 2021-08-26 stsp return err;
182 f8a36e22 2021-08-26 stsp if (yca_id == NULL)
183 f8a36e22 2021-08-26 stsp return got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
186 f8a36e22 2021-08-26 stsp * Require a straight line of history between the two commits,
187 f8a36e22 2021-08-26 stsp * with their commit being older than my commit.
189 f8a36e22 2021-08-26 stsp * Non-linear situations such as this require a rebase:
191 f8a36e22 2021-08-26 stsp * (theirs) D F (mine)
199 f8a36e22 2021-08-26 stsp if (got_object_id_cmp(their_id, yca_id) != 0)
200 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY, "%s", refname);
202 f8a36e22 2021-08-26 stsp free(yca_id);
203 f8a36e22 2021-08-26 stsp return err;
206 f8a36e22 2021-08-26 stsp static const struct got_error *
207 f8a36e22 2021-08-26 stsp realloc_ids(struct got_object_id ***ids, size_t *nalloc, size_t n)
209 f8a36e22 2021-08-26 stsp struct got_object_id **new;
210 f8a36e22 2021-08-26 stsp const size_t alloc_chunksz = 256;
212 535e07c7 2021-08-29 naddy if (*nalloc >= n)
213 f8a36e22 2021-08-26 stsp return NULL;
215 f8a36e22 2021-08-26 stsp new = recallocarray(*ids, *nalloc, *nalloc + alloc_chunksz,
216 f8a36e22 2021-08-26 stsp sizeof(struct got_object_id));
217 f8a36e22 2021-08-26 stsp if (new == NULL)
218 f8a36e22 2021-08-26 stsp return got_error_from_errno("recallocarray");
220 f8a36e22 2021-08-26 stsp *ids = new;
221 f8a36e22 2021-08-26 stsp *nalloc += alloc_chunksz;
222 f8a36e22 2021-08-26 stsp return NULL;
225 f8a36e22 2021-08-26 stsp static struct got_reference *
226 f8a36e22 2021-08-26 stsp find_ref(struct got_reflist_head *refs, const char *refname)
228 f8a36e22 2021-08-26 stsp struct got_reflist_entry *re;
230 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, refs, entry) {
231 f8a36e22 2021-08-26 stsp if (got_path_cmp(got_ref_get_name(re->ref), refname,
232 f8a36e22 2021-08-26 stsp strlen(got_ref_get_name(re->ref)),
233 f8a36e22 2021-08-26 stsp strlen(refname)) == 0) {
234 f8a36e22 2021-08-26 stsp return re->ref;
238 f8a36e22 2021-08-26 stsp return NULL;
241 f8a36e22 2021-08-26 stsp static struct got_pathlist_entry *
242 f8a36e22 2021-08-26 stsp find_their_ref(struct got_pathlist_head *their_refs, const char *refname)
244 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
246 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, their_refs, entry) {
247 f8a36e22 2021-08-26 stsp const char *their_refname = pe->path;
248 f8a36e22 2021-08-26 stsp if (got_path_cmp(their_refname, refname,
249 f8a36e22 2021-08-26 stsp strlen(their_refname), strlen(refname)) == 0) {
254 f8a36e22 2021-08-26 stsp return NULL;
257 f8a36e22 2021-08-26 stsp static const struct got_error *
258 f8a36e22 2021-08-26 stsp get_remote_refname(char **remote_refname, const char *remote_name,
259 f8a36e22 2021-08-26 stsp const char *refname)
261 f8a36e22 2021-08-26 stsp if (strncmp(refname, "refs/", 5) == 0)
262 f8a36e22 2021-08-26 stsp refname += 5;
263 f8a36e22 2021-08-26 stsp if (strncmp(refname, "heads/", 6) == 0)
264 f8a36e22 2021-08-26 stsp refname += 6;
266 f8a36e22 2021-08-26 stsp if (asprintf(remote_refname, "refs/remotes/%s/%s",
267 f8a36e22 2021-08-26 stsp remote_name, refname) == -1)
268 f8a36e22 2021-08-26 stsp return got_error_from_errno("asprintf");
270 f8a36e22 2021-08-26 stsp return NULL;
273 f8a36e22 2021-08-26 stsp static const struct got_error *
274 f8a36e22 2021-08-26 stsp update_remote_ref(struct got_reference *my_ref, const char *remote_name,
275 f8a36e22 2021-08-26 stsp struct got_repository *repo)
277 f8a36e22 2021-08-26 stsp const struct got_error *err, *unlock_err;
278 f8a36e22 2021-08-26 stsp struct got_object_id *my_id;
279 f8a36e22 2021-08-26 stsp struct got_reference *ref = NULL;
280 f8a36e22 2021-08-26 stsp char *remote_refname = NULL;
281 f8a36e22 2021-08-26 stsp int ref_locked = 0;
283 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&my_id, repo, my_ref);
285 f8a36e22 2021-08-26 stsp return err;
287 f8a36e22 2021-08-26 stsp err = get_remote_refname(&remote_refname, remote_name,
288 f8a36e22 2021-08-26 stsp got_ref_get_name(my_ref));
292 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 1 /* lock */);
294 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
296 f8a36e22 2021-08-26 stsp err = got_ref_alloc(&ref, remote_refname, my_id);
300 f8a36e22 2021-08-26 stsp ref_locked = 1;
301 f8a36e22 2021-08-26 stsp err = got_ref_change_ref(ref, my_id);
306 f8a36e22 2021-08-26 stsp err = got_ref_write(ref, repo);
309 f8a36e22 2021-08-26 stsp if (ref_locked) {
310 f8a36e22 2021-08-26 stsp unlock_err = got_ref_unlock(ref);
311 f8a36e22 2021-08-26 stsp if (unlock_err && err == NULL)
312 f8a36e22 2021-08-26 stsp err = unlock_err;
314 f8a36e22 2021-08-26 stsp got_ref_close(ref);
316 f8a36e22 2021-08-26 stsp free(my_id);
317 f8a36e22 2021-08-26 stsp free(remote_refname);
318 f8a36e22 2021-08-26 stsp return err;
321 f8a36e22 2021-08-26 stsp const struct got_error*
322 f8a36e22 2021-08-26 stsp got_send_pack(const char *remote_name, struct got_pathlist_head *branch_names,
323 f8a36e22 2021-08-26 stsp struct got_pathlist_head *tag_names,
324 f8a36e22 2021-08-26 stsp struct got_pathlist_head *delete_branches,
325 f8a36e22 2021-08-26 stsp int verbosity, int overwrite_refs, int sendfd,
326 f8a36e22 2021-08-26 stsp struct got_repository *repo, got_send_progress_cb progress_cb,
327 f8a36e22 2021-08-26 stsp void *progress_arg, got_cancel_cb cancel_cb, void *cancel_arg)
329 f8a36e22 2021-08-26 stsp int imsg_sendfds[2];
330 f8a36e22 2021-08-26 stsp int npackfd = -1, nsendfd = -1;
331 f8a36e22 2021-08-26 stsp int sendstatus, done = 0;
332 f8a36e22 2021-08-26 stsp const struct got_error *err;
333 f8a36e22 2021-08-26 stsp struct imsgbuf sendibuf;
334 f8a36e22 2021-08-26 stsp pid_t sendpid = -1;
335 f8a36e22 2021-08-26 stsp struct got_reflist_head refs;
336 f8a36e22 2021-08-26 stsp struct got_pathlist_head have_refs;
337 f8a36e22 2021-08-26 stsp struct got_pathlist_head their_refs;
338 f8a36e22 2021-08-26 stsp struct got_pathlist_entry *pe;
339 f8a36e22 2021-08-26 stsp struct got_reflist_entry *re;
340 f8a36e22 2021-08-26 stsp struct got_object_id **our_ids = NULL;
341 f8a36e22 2021-08-26 stsp struct got_object_id **their_ids = NULL;
342 f8a36e22 2021-08-26 stsp int i, nours = 0, ntheirs = 0;
343 f8a36e22 2021-08-26 stsp size_t nalloc_ours = 0, nalloc_theirs = 0;
344 27b75514 2021-08-28 stsp int refs_to_send = 0, refs_to_delete = 0;
345 c46eda88 2022-07-21 florian off_t bytes_sent = 0, bytes_sent_cur = 0;
346 f8a36e22 2021-08-26 stsp struct pack_progress_arg ppa;
347 f8a36e22 2021-08-26 stsp uint8_t packsha1[SHA1_DIGEST_LENGTH];
348 f8a36e22 2021-08-26 stsp FILE *packfile = NULL;
350 f8a36e22 2021-08-26 stsp TAILQ_INIT(&refs);
351 f8a36e22 2021-08-26 stsp TAILQ_INIT(&have_refs);
352 f8a36e22 2021-08-26 stsp TAILQ_INIT(&their_refs);
354 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, branch_names, entry) {
355 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
356 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
358 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/heads/%s", branchname) == -1) {
359 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
362 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, s, repo);
365 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, branchname, repo);
371 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
372 f8a36e22 2021-08-26 stsp const char *branchname = pe->path;
373 f8a36e22 2021-08-26 stsp struct got_reference *ref;
374 f8a36e22 2021-08-26 stsp if (strncmp(branchname, "refs/heads/", 11) != 0) {
375 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF, "%s",
376 f8a36e22 2021-08-26 stsp branchname);
379 f8a36e22 2021-08-26 stsp ref = find_ref(&refs, branchname);
381 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_DELETE_REF,
382 f8a36e22 2021-08-26 stsp "changes on %s will be sent to server",
383 f8a36e22 2021-08-26 stsp branchname);
388 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, tag_names, entry) {
389 f8a36e22 2021-08-26 stsp const char *tagname = pe->path;
390 f8a36e22 2021-08-26 stsp if (strncmp(tagname, "refs/tags/", 10) != 0) {
392 f8a36e22 2021-08-26 stsp if (asprintf(&s, "refs/tags/%s", tagname) == -1) {
393 f8a36e22 2021-08-26 stsp err = got_error_from_errno("asprintf");
396 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, s, repo);
399 f8a36e22 2021-08-26 stsp err = insert_ref(&refs, tagname, repo);
405 f8a36e22 2021-08-26 stsp if (TAILQ_EMPTY(&refs) && TAILQ_EMPTY(delete_branches)) {
406 f8a36e22 2021-08-26 stsp err = got_error(GOT_ERR_SEND_EMPTY);
410 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, &refs, entry) {
411 f8a36e22 2021-08-26 stsp struct got_object_id *id;
412 f8a36e22 2021-08-26 stsp int obj_type;
414 f8a36e22 2021-08-26 stsp if (got_ref_is_symbolic(re->ref)) {
415 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_BAD_REF_TYPE,
416 f8a36e22 2021-08-26 stsp "cannot send symbolic reference %s",
417 f8a36e22 2021-08-26 stsp got_ref_get_name(re->ref));
421 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&id, repo, re->ref);
424 f8a36e22 2021-08-26 stsp err = got_object_get_type(&obj_type, repo, id);
428 f8a36e22 2021-08-26 stsp switch (obj_type) {
429 f8a36e22 2021-08-26 stsp case GOT_OBJ_TYPE_COMMIT:
430 f8a36e22 2021-08-26 stsp case GOT_OBJ_TYPE_TAG:
433 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_OBJ_TYPE,
434 f8a36e22 2021-08-26 stsp "cannot send %s", got_ref_get_name(re->ref));
439 f8a36e22 2021-08-26 stsp packfile = got_opentemp();
440 f8a36e22 2021-08-26 stsp if (packfile == NULL) {
441 f8a36e22 2021-08-26 stsp err = got_error_from_errno("got_opentemp");
445 f8a36e22 2021-08-26 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_sendfds) == -1) {
446 f8a36e22 2021-08-26 stsp err = got_error_from_errno("socketpair");
450 f8a36e22 2021-08-26 stsp sendpid = fork();
451 f8a36e22 2021-08-26 stsp if (sendpid == -1) {
452 f8a36e22 2021-08-26 stsp err = got_error_from_errno("fork");
454 f8a36e22 2021-08-26 stsp } else if (sendpid == 0){
455 f8a36e22 2021-08-26 stsp got_privsep_exec_child(imsg_sendfds,
456 f8a36e22 2021-08-26 stsp GOT_PATH_PROG_SEND_PACK, got_repo_get_path(repo));
459 f8a36e22 2021-08-26 stsp if (close(imsg_sendfds[1]) == -1) {
460 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
463 f8a36e22 2021-08-26 stsp imsg_init(&sendibuf, imsg_sendfds[0]);
464 f8a36e22 2021-08-26 stsp nsendfd = dup(sendfd);
465 f8a36e22 2021-08-26 stsp if (nsendfd == -1) {
466 f8a36e22 2021-08-26 stsp err = got_error_from_errno("dup");
471 f8a36e22 2021-08-26 stsp * Convert reflist to pathlist since the privsep layer
472 f8a36e22 2021-08-26 stsp * is linked into helper programs which lack reference.c.
474 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, &refs, entry) {
475 f8a36e22 2021-08-26 stsp struct got_object_id *id;
476 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&id, repo, re->ref);
479 f8a36e22 2021-08-26 stsp err = got_pathlist_append(&have_refs,
480 f8a36e22 2021-08-26 stsp got_ref_get_name(re->ref), id);
484 f8a36e22 2021-08-26 stsp * Also prepare the array of our object IDs which
485 f8a36e22 2021-08-26 stsp * will be needed for generating a pack file.
487 535e07c7 2021-08-29 naddy err = realloc_ids(&our_ids, &nalloc_ours, nours + 1);
490 f8a36e22 2021-08-26 stsp our_ids[nours] = id;
494 f8a36e22 2021-08-26 stsp err = got_privsep_send_send_req(&sendibuf, nsendfd, &have_refs,
495 f8a36e22 2021-08-26 stsp delete_branches, verbosity);
498 f8a36e22 2021-08-26 stsp nsendfd = -1;
500 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_remote_refs(&their_refs, &sendibuf);
505 f8a36e22 2021-08-26 stsp * Process references reported by the server.
506 f8a36e22 2021-08-26 stsp * Push appropriate object IDs onto the "their IDs" array.
507 f8a36e22 2021-08-26 stsp * This array will be used to exclude objects which already
508 f8a36e22 2021-08-26 stsp * exist on the server from our pack file.
510 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(pe, &their_refs, entry) {
511 f8a36e22 2021-08-26 stsp const char *refname = pe->path;
512 f8a36e22 2021-08-26 stsp struct got_object_id *their_id = pe->data;
513 f8a36e22 2021-08-26 stsp int have_their_id;
514 f8a36e22 2021-08-26 stsp struct got_object *obj;
515 f8a36e22 2021-08-26 stsp struct got_reference *my_ref = NULL;
516 f8a36e22 2021-08-26 stsp int is_tag = 0;
518 f8a36e22 2021-08-26 stsp /* Don't blindly trust the server to send us valid names. */
519 f8a36e22 2021-08-26 stsp if (!got_ref_name_is_valid(refname))
522 92410079 2021-10-16 stsp if (strncmp(refname, "refs/tags/", 10) == 0)
523 92410079 2021-10-16 stsp is_tag = 1;
525 f8a36e22 2021-08-26 stsp * Find out whether this is a reference we want to upload.
526 f8a36e22 2021-08-26 stsp * Otherwise we can still use this reference as a hint to
527 f8a36e22 2021-08-26 stsp * avoid uploading any objects the server already has.
529 f8a36e22 2021-08-26 stsp my_ref = find_ref(&refs, refname);
530 f8a36e22 2021-08-26 stsp if (my_ref) {
531 c2105d00 2021-09-14 stsp struct got_object_id *my_id;
532 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&my_id, repo, my_ref);
535 92410079 2021-10-16 stsp if (got_object_id_cmp(my_id, their_id) != 0) {
536 92410079 2021-10-16 stsp if (!overwrite_refs && is_tag) {
537 92410079 2021-10-16 stsp err = got_error_fmt(
538 92410079 2021-10-16 stsp GOT_ERR_SEND_TAG_EXISTS,
539 92410079 2021-10-16 stsp "%s", refname);
540 92410079 2021-10-16 stsp free(my_id);
543 c2105d00 2021-09-14 stsp refs_to_send++;
545 c2105d00 2021-09-14 stsp free(my_id);
548 f8a36e22 2021-08-26 stsp /* Check if their object exists locally. */
549 f8a36e22 2021-08-26 stsp err = got_object_open(&obj, repo, their_id);
551 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NO_OBJ)
553 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref != NULL) {
554 f8a36e22 2021-08-26 stsp err = got_error_fmt(GOT_ERR_SEND_ANCESTRY,
555 f8a36e22 2021-08-26 stsp "%s", refname);
558 f8a36e22 2021-08-26 stsp have_their_id = 0;
560 f8a36e22 2021-08-26 stsp got_object_close(obj);
561 f8a36e22 2021-08-26 stsp have_their_id = 1;
564 535e07c7 2021-08-29 naddy err = realloc_ids(&their_ids, &nalloc_theirs, ntheirs + 1);
568 f8a36e22 2021-08-26 stsp if (have_their_id) {
569 f8a36e22 2021-08-26 stsp /* Enforce linear ancestry if required. */
570 f8a36e22 2021-08-26 stsp if (!overwrite_refs && my_ref && !is_tag) {
571 f8a36e22 2021-08-26 stsp struct got_object_id *my_id;
572 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&my_id, repo, my_ref);
575 f8a36e22 2021-08-26 stsp err = check_linear_ancestry(refname, my_id,
576 f8a36e22 2021-08-26 stsp their_id, repo, cancel_cb, cancel_arg);
577 f8a36e22 2021-08-26 stsp free(my_id);
578 f8a36e22 2021-08-26 stsp my_id = NULL;
582 f8a36e22 2021-08-26 stsp /* Exclude any objects reachable via their ID. */
583 f8a36e22 2021-08-26 stsp their_ids[ntheirs] = got_object_id_dup(their_id);
584 f8a36e22 2021-08-26 stsp if (their_ids[ntheirs] == NULL) {
585 f8a36e22 2021-08-26 stsp err = got_error_from_errno("got_object_id_dup");
589 f8a36e22 2021-08-26 stsp } else if (!is_tag) {
590 f8a36e22 2021-08-26 stsp char *remote_refname;
591 f8a36e22 2021-08-26 stsp struct got_reference *ref;
593 f8a36e22 2021-08-26 stsp * Exclude any objects which exist on the server
594 f8a36e22 2021-08-26 stsp * according to a locally cached remote reference.
596 f8a36e22 2021-08-26 stsp err = get_remote_refname(&remote_refname,
597 f8a36e22 2021-08-26 stsp remote_name, refname);
600 f8a36e22 2021-08-26 stsp err = got_ref_open(&ref, repo, remote_refname, 0);
601 f8a36e22 2021-08-26 stsp free(remote_refname);
603 f8a36e22 2021-08-26 stsp if (err->code != GOT_ERR_NOT_REF)
606 f8a36e22 2021-08-26 stsp err = got_ref_resolve(&their_ids[ntheirs],
607 f8a36e22 2021-08-26 stsp repo, ref);
608 f8a36e22 2021-08-26 stsp got_ref_close(ref);
616 f8a36e22 2021-08-26 stsp /* Account for any new references we are going to upload. */
617 f8a36e22 2021-08-26 stsp TAILQ_FOREACH(re, &refs, entry) {
618 f8a36e22 2021-08-26 stsp if (find_their_ref(&their_refs,
619 f8a36e22 2021-08-26 stsp got_ref_get_name(re->ref)) == NULL)
620 f8a36e22 2021-08-26 stsp refs_to_send++;
623 1bd76734 2021-08-26 stsp /* Account for any existing references we are going to delete. */
624 1bd76734 2021-08-26 stsp TAILQ_FOREACH(pe, delete_branches, entry) {
625 1bd76734 2021-08-26 stsp const char *branchname = pe->path;
626 1bd76734 2021-08-26 stsp if (find_their_ref(&their_refs, branchname))
627 27b75514 2021-08-28 stsp refs_to_delete++;
630 27b75514 2021-08-28 stsp if (refs_to_send == 0 && refs_to_delete == 0) {
631 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
635 27b75514 2021-08-28 stsp if (refs_to_send > 0) {
636 27b75514 2021-08-28 stsp memset(&ppa, 0, sizeof(ppa));
637 27b75514 2021-08-28 stsp ppa.progress_cb = progress_cb;
638 27b75514 2021-08-28 stsp ppa.progress_arg = progress_arg;
639 27b75514 2021-08-28 stsp err = got_pack_create(packsha1, packfile, their_ids, ntheirs,
640 27b75514 2021-08-28 stsp our_ids, nours, repo, 0, 1, pack_progress, &ppa,
641 27b75514 2021-08-28 stsp cancel_cb, cancel_arg);
645 27b75514 2021-08-28 stsp if (fflush(packfile) == -1) {
646 27b75514 2021-08-28 stsp err = got_error_from_errno("fflush");
650 27b75514 2021-08-28 stsp npackfd = dup(fileno(packfile));
651 27b75514 2021-08-28 stsp if (npackfd == -1) {
652 27b75514 2021-08-28 stsp err = got_error_from_errno("dup");
655 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, npackfd);
656 27b75514 2021-08-28 stsp if (err != NULL)
658 27b75514 2021-08-28 stsp npackfd = -1;
660 27b75514 2021-08-28 stsp err = got_privsep_send_packfd(&sendibuf, -1);
661 27b75514 2021-08-28 stsp if (err != NULL)
665 f8a36e22 2021-08-26 stsp while (!done) {
666 f8a36e22 2021-08-26 stsp int success = 0;
667 f8a36e22 2021-08-26 stsp char *refname = NULL;
668 f8a36e22 2021-08-26 stsp if (cancel_cb) {
669 f8a36e22 2021-08-26 stsp err = (*cancel_cb)(cancel_arg);
673 f8a36e22 2021-08-26 stsp err = got_privsep_recv_send_progress(&done, &bytes_sent,
674 f8a36e22 2021-08-26 stsp &success, &refname, &sendibuf);
677 f8a36e22 2021-08-26 stsp if (refname && got_ref_name_is_valid(refname) && success &&
678 f8a36e22 2021-08-26 stsp strncmp(refname, "refs/tags/", 10) != 0) {
679 f8a36e22 2021-08-26 stsp struct got_reference *my_ref;
681 f8a36e22 2021-08-26 stsp * The server has accepted our changes.
682 f8a36e22 2021-08-26 stsp * Update our reference in refs/remotes/ accordingly.
684 f8a36e22 2021-08-26 stsp my_ref = find_ref(&refs, refname);
685 f8a36e22 2021-08-26 stsp if (my_ref) {
686 f8a36e22 2021-08-26 stsp err = update_remote_ref(my_ref, remote_name,
692 f8a36e22 2021-08-26 stsp if (refname != NULL ||
693 f8a36e22 2021-08-26 stsp bytes_sent_cur != bytes_sent) {
694 b8af7c06 2022-03-15 stsp err = progress_cb(progress_arg, ppa.ncolored,
695 b8af7c06 2022-03-15 stsp ppa.nfound, ppa.ntrees, ppa.packfile_size,
696 f8a36e22 2021-08-26 stsp ppa.ncommits, ppa.nobj_total, ppa.nobj_deltify,
697 f8a36e22 2021-08-26 stsp ppa.nobj_written, bytes_sent,
698 f8a36e22 2021-08-26 stsp refname, success);
700 f8a36e22 2021-08-26 stsp free(refname);
703 f8a36e22 2021-08-26 stsp bytes_sent_cur = bytes_sent;
705 f8a36e22 2021-08-26 stsp free(refname);
708 f8a36e22 2021-08-26 stsp if (sendpid != -1) {
710 f8a36e22 2021-08-26 stsp got_privsep_send_stop(imsg_sendfds[0]);
711 f8a36e22 2021-08-26 stsp if (waitpid(sendpid, &sendstatus, 0) == -1 && err == NULL)
712 f8a36e22 2021-08-26 stsp err = got_error_from_errno("waitpid");
714 f8a36e22 2021-08-26 stsp if (packfile && fclose(packfile) == EOF && err == NULL)
715 f8a36e22 2021-08-26 stsp err = got_error_from_errno("fclose");
716 f8a36e22 2021-08-26 stsp if (nsendfd != -1 && close(nsendfd) == -1 && err == NULL)
717 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
718 f8a36e22 2021-08-26 stsp if (npackfd != -1 && close(npackfd) == -1 && err == NULL)
719 f8a36e22 2021-08-26 stsp err = got_error_from_errno("close");
721 f8a36e22 2021-08-26 stsp got_ref_list_free(&refs);
722 f8a36e22 2021-08-26 stsp got_pathlist_free(&have_refs);
723 f8a36e22 2021-08-26 stsp got_pathlist_free(&their_refs);
724 f8a36e22 2021-08-26 stsp for (i = 0; i < nours; i++)
725 f8a36e22 2021-08-26 stsp free(our_ids[i]);
726 f8a36e22 2021-08-26 stsp free(our_ids);
727 f8a36e22 2021-08-26 stsp for (i = 0; i < ntheirs; i++)
728 f8a36e22 2021-08-26 stsp free(their_ids[i]);
729 f8a36e22 2021-08-26 stsp free(their_ids);
730 f8a36e22 2021-08-26 stsp return err;
