2 * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <sys/queue.h>
18 #include <sys/types.h>
32 #include "got_error.h"
33 #include "got_cancel.h"
34 #include "got_object.h"
35 #include "got_repository.h"
36 #include "got_reference.h"
37 #include "got_repository_admin.h"
40 #include "got_lib_delta.h"
41 #include "got_lib_object.h"
42 #include "got_lib_object_idset.h"
43 #include "got_lib_hash.h"
44 #include "got_lib_pack.h"
45 #include "got_lib_ratelimit.h"
46 #include "got_lib_pack_create.h"
47 #include "got_lib_poll.h"
51 #include "repo_read.h"
54 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
57 static struct repo_read {
60 struct got_repository *repo;
64 struct gotd_imsgev session_iev;
67 static struct repo_read_client {
73 struct got_object_idset *want_ids;
74 struct got_object_idset *have_ids;
77 static volatile sig_atomic_t sigint_received;
78 static volatile sig_atomic_t sigterm_received;
81 catch_sigint(int signo)
87 catch_sigterm(int signo)
92 static const struct got_error *
93 check_cancelled(void *arg)
95 if (sigint_received || sigterm_received)
96 return got_error(GOT_ERR_CANCELLED);
101 static const struct got_error *
102 send_symref(struct got_reference *symref, struct got_object_id *target_id,
103 struct imsgbuf *ibuf)
105 const struct got_error *err = NULL;
106 struct gotd_imsg_symref isymref;
107 const char *refname = got_ref_get_name(symref);
108 const char *target = got_ref_get_symref_target(symref);
112 memset(&isymref, 0, sizeof(isymref));
113 isymref.name_len = strlen(refname);
114 isymref.target_len = strlen(target);
115 memcpy(isymref.target_id, target_id->sha1, sizeof(isymref.target_id));
117 len = sizeof(isymref) + isymref.name_len + isymref.target_len;
118 if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
119 err = got_error(GOT_ERR_NO_SPACE);
123 wbuf = imsg_create(ibuf, GOTD_IMSG_SYMREF, 0, 0, len);
125 err = got_error_from_errno("imsg_create SYMREF");
129 if (imsg_add(wbuf, &isymref, sizeof(isymref)) == -1) {
130 err = got_error_from_errno("imsg_add SYMREF");
133 if (imsg_add(wbuf, refname, isymref.name_len) == -1) {
134 err = got_error_from_errno("imsg_add SYMREF");
137 if (imsg_add(wbuf, target, isymref.target_len) == -1) {
138 err = got_error_from_errno("imsg_add SYMREF");
143 imsg_close(ibuf, wbuf);
149 static const struct got_error *
150 send_peeled_tag_ref(struct got_reference *ref, struct got_object *obj,
151 struct imsgbuf *ibuf)
153 const struct got_error *err = NULL;
154 struct got_tag_object *tag;
156 char *peeled_refname = NULL;
157 struct got_object_id *id;
160 err = got_object_tag_open(&tag, repo_read.repo, obj);
164 if (asprintf(&peeled_refname, "%s^{}", got_ref_get_name(ref)) == -1) {
165 err = got_error_from_errno("asprintf");
169 id = got_object_tag_get_object_id(tag);
170 namelen = strlen(peeled_refname);
172 len = sizeof(struct gotd_imsg_ref) + namelen;
173 if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE) {
174 err = got_error(GOT_ERR_NO_SPACE);
178 wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
181 err = got_error_from_errno("imsg_create MREF");
185 /* Keep in sync with struct gotd_imsg_ref definition. */
186 if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1) {
187 err = got_error_from_errno("imsg_add REF");
190 if (imsg_add(wbuf, &namelen, sizeof(namelen)) == -1) {
191 err = got_error_from_errno("imsg_add REF");
194 if (imsg_add(wbuf, peeled_refname, namelen) == -1) {
195 err = got_error_from_errno("imsg_add REF");
200 imsg_close(ibuf, wbuf);
202 got_object_tag_close(tag);
206 static const struct got_error *
207 send_ref(struct got_reference *ref, struct imsgbuf *ibuf)
209 const struct got_error *err;
210 const char *refname = got_ref_get_name(ref);
212 struct got_object_id *id = NULL;
213 struct got_object *obj = NULL;
217 namelen = strlen(refname);
219 len = sizeof(struct gotd_imsg_ref) + namelen;
220 if (len > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
221 return got_error(GOT_ERR_NO_SPACE);
223 err = got_ref_resolve(&id, repo_read.repo, ref);
227 wbuf = imsg_create(ibuf, GOTD_IMSG_REF, PROC_REPO_READ,
230 err = got_error_from_errno("imsg_create REF");
234 /* Keep in sync with struct gotd_imsg_ref definition. */
235 if (imsg_add(wbuf, id->sha1, SHA1_DIGEST_LENGTH) == -1)
236 return got_error_from_errno("imsg_add REF");
237 if (imsg_add(wbuf, &namelen, sizeof(namelen)) == -1)
238 return got_error_from_errno("imsg_add REF");
239 if (imsg_add(wbuf, refname, namelen) == -1)
240 return got_error_from_errno("imsg_add REF");
243 imsg_close(ibuf, wbuf);
245 err = got_object_open(&obj, repo_read.repo, id);
248 if (obj->type == GOT_OBJ_TYPE_TAG)
249 err = send_peeled_tag_ref(ref, obj, ibuf);
252 got_object_close(obj);
257 static const struct got_error *
258 list_refs(struct imsg *imsg)
260 const struct got_error *err;
261 struct repo_read_client *client = &repo_read_client;
262 struct got_reflist_head refs;
263 struct got_reflist_entry *re;
264 struct gotd_imsg_list_refs_internal ireq;
266 struct gotd_imsg_reflist irefs;
268 int client_fd = imsg->fd;
269 struct got_object_id *head_target_id = NULL;
274 return got_error(GOT_ERR_PRIVSEP_NO_FD);
276 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
277 if (datalen != sizeof(ireq))
278 return got_error(GOT_ERR_PRIVSEP_LEN);
279 memcpy(&ireq, imsg->data, sizeof(ireq));
281 if (ireq.client_id == 0)
282 return got_error(GOT_ERR_CLIENT_ID);
283 if (client->id != 0) {
284 return got_error_msg(GOT_ERR_CLIENT_ID,
285 "duplicate list-refs request");
287 client->id = ireq.client_id;
288 client->fd = client_fd;
290 imsg_init(&ibuf, client_fd);
292 err = got_ref_list(&refs, repo_read.repo, "",
293 got_ref_cmp_by_name, NULL);
297 memset(&irefs, 0, sizeof(irefs));
298 TAILQ_FOREACH(re, &refs, entry) {
299 struct got_object_id *id;
302 if (got_ref_is_symbolic(re->ref)) {
303 const char *refname = got_ref_get_name(re->ref);
304 if (strcmp(refname, GOT_REF_HEAD) != 0)
306 err = got_ref_resolve(&head_target_id, repo_read.repo,
309 if (err->code != GOT_ERR_NOT_REF)
312 * HEAD points to a non-existent branch.
313 * Do not advertise it.
314 * Matches git-daemon's behaviour.
316 head_target_id = NULL;
325 /* Account for a peeled tag refs. */
326 err = got_ref_resolve(&id, repo_read.repo, re->ref);
329 err = got_object_get_type(&obj_type, repo_read.repo, id);
333 if (obj_type == GOT_OBJ_TYPE_TAG)
337 if (imsg_compose(&ibuf, GOTD_IMSG_REFLIST, PROC_REPO_READ,
338 repo_read.pid, -1, &irefs, sizeof(irefs)) == -1) {
339 err = got_error_from_errno("imsg_compose REFLIST");
344 * Send the HEAD symref first. In Git-protocol versions < 2
345 * the HEAD symref must be announced on the initial line of
346 * the server's ref advertisement.
347 * For now, we do not advertise symrefs other than HEAD.
349 TAILQ_FOREACH(re, &refs, entry) {
350 if (!got_ref_is_symbolic(re->ref) ||
351 strcmp(got_ref_get_name(re->ref), GOT_REF_HEAD) != 0 ||
352 head_target_id == NULL)
354 err = send_symref(re->ref, head_target_id, &ibuf);
359 TAILQ_FOREACH(re, &refs, entry) {
360 if (got_ref_is_symbolic(re->ref))
362 err = send_ref(re->ref, &ibuf);
367 err = gotd_imsg_flush(&ibuf);
369 got_ref_list_free(&refs);
374 static const struct got_error *
375 append_object_id(struct got_object_id *id, void *data, void *arg)
377 struct gotd_object_id_array *array = arg;
378 const size_t alloc_chunksz = 256;
380 if (array->ids == NULL) {
381 array->ids = reallocarray(NULL, alloc_chunksz,
382 sizeof(*array->ids));
383 if (array->ids == NULL)
384 return got_error_from_errno("reallocarray");
385 array->nalloc = alloc_chunksz;
387 } else if (array->nalloc <= array->nids) {
388 struct got_object_id **new;
389 new = recallocarray(array->ids, array->nalloc,
390 array->nalloc + alloc_chunksz, sizeof(*new));
392 return got_error_from_errno("recallocarray");
394 array->nalloc += alloc_chunksz;
397 array->ids[array->nids] = id;
402 static const struct got_error *
403 recv_want(struct imsg *imsg)
405 const struct got_error *err;
406 struct repo_read_client *client = &repo_read_client;
407 struct gotd_imsg_want iwant;
409 char hex[SHA1_DIGEST_STRING_LENGTH];
410 struct got_object_id id;
414 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
415 if (datalen != sizeof(iwant))
416 return got_error(GOT_ERR_PRIVSEP_LEN);
417 memcpy(&iwant, imsg->data, sizeof(iwant));
419 memset(&id, 0, sizeof(id));
420 memcpy(id.sha1, iwant.object_id, SHA1_DIGEST_LENGTH);
422 if (log_getverbose() > 0 &&
423 got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
424 log_debug("client wants %s", hex);
426 imsg_init(&ibuf, client->fd);
428 err = got_object_get_type(&obj_type, repo_read.repo, &id);
432 if (obj_type != GOT_OBJ_TYPE_COMMIT &&
433 obj_type != GOT_OBJ_TYPE_TAG)
434 return got_error(GOT_ERR_OBJ_TYPE);
436 if (!got_object_idset_contains(client->want_ids, &id)) {
437 err = got_object_idset_add(client->want_ids, &id, NULL);
442 gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
447 static const struct got_error *
448 recv_have(struct imsg *imsg)
450 const struct got_error *err;
451 struct repo_read_client *client = &repo_read_client;
452 struct gotd_imsg_have ihave;
454 char hex[SHA1_DIGEST_STRING_LENGTH];
455 struct got_object_id id;
459 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
460 if (datalen != sizeof(ihave))
461 return got_error(GOT_ERR_PRIVSEP_LEN);
462 memcpy(&ihave, imsg->data, sizeof(ihave));
464 memset(&id, 0, sizeof(id));
465 memcpy(id.sha1, ihave.object_id, SHA1_DIGEST_LENGTH);
467 if (log_getverbose() > 0 &&
468 got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
469 log_debug("client has %s", hex);
471 imsg_init(&ibuf, client->fd);
473 err = got_object_get_type(&obj_type, repo_read.repo, &id);
475 if (err->code == GOT_ERR_NO_OBJ) {
476 gotd_imsg_send_nak(&id, &ibuf,
477 PROC_REPO_READ, repo_read.pid);
483 if (obj_type != GOT_OBJ_TYPE_COMMIT &&
484 obj_type != GOT_OBJ_TYPE_TAG) {
485 gotd_imsg_send_nak(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
486 err = got_error(GOT_ERR_OBJ_TYPE);
490 if (!got_object_idset_contains(client->have_ids, &id)) {
491 err = got_object_idset_add(client->have_ids, &id, NULL);
496 gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
502 struct repo_read_pack_progress_arg {
504 struct imsgbuf *ibuf;
508 static const struct got_error *
509 pack_progress(void *arg, int ncolored, int nfound, int ntrees,
510 off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
513 struct repo_read_pack_progress_arg *a = arg;
514 struct gotd_imsg_packfile_progress iprog;
517 if (!a->report_progress)
519 if (packfile_size > 0 && a->sent_ready)
522 memset(&iprog, 0, sizeof(iprog));
523 iprog.ncolored = ncolored;
524 iprog.nfound = nfound;
525 iprog.ntrees = ntrees;
526 iprog.packfile_size = packfile_size;
527 iprog.ncommits = ncommits;
528 iprog.nobj_total = nobj_total;
529 iprog.nobj_deltify = nobj_deltify;
530 iprog.nobj_written = nobj_written;
532 /* Using synchronous writes since we are blocking the event loop. */
533 if (packfile_size == 0) {
534 ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_PROGRESS,
535 PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
537 return got_error_from_errno("imsg compose "
538 "PACKFILE_PROGRESS");
542 ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_READY,
543 PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
545 return got_error_from_errno("imsg compose "
550 return gotd_imsg_flush(a->ibuf);
553 static const struct got_error *
554 receive_delta_cache_fd(struct imsg *imsg,
555 struct gotd_imsgev *iev)
557 struct repo_read_client *client = &repo_read_client;
558 struct gotd_imsg_send_packfile ireq;
561 log_debug("receving delta cache file");
564 return got_error(GOT_ERR_PRIVSEP_NO_FD);
566 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
567 if (datalen != sizeof(ireq))
568 return got_error(GOT_ERR_PRIVSEP_LEN);
569 memcpy(&ireq, imsg->data, sizeof(ireq));
571 if (client->delta_cache_fd != -1)
572 return got_error(GOT_ERR_PRIVSEP_MSG);
574 client->delta_cache_fd = imsg->fd;
575 client->report_progress = ireq.report_progress;
579 static const struct got_error *
580 receive_pack_pipe(struct imsg *imsg, struct gotd_imsgev *iev)
582 struct repo_read_client *client = &repo_read_client;
583 struct gotd_imsg_packfile_pipe ireq;
586 log_debug("receving pack pipe descriptor");
589 return got_error(GOT_ERR_PRIVSEP_NO_FD);
591 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
592 if (datalen != sizeof(ireq))
593 return got_error(GOT_ERR_PRIVSEP_LEN);
594 memcpy(&ireq, imsg->data, sizeof(ireq));
596 if (client->pack_pipe != -1)
597 return got_error(GOT_ERR_PRIVSEP_MSG);
599 client->pack_pipe = imsg->fd;
603 static const struct got_error *
604 send_packfile(struct imsg *imsg, struct gotd_imsgev *iev)
606 const struct got_error *err = NULL;
607 struct repo_read_client *client = &repo_read_client;
608 struct gotd_imsg_packfile_done idone;
609 uint8_t packsha1[SHA1_DIGEST_LENGTH];
610 char hex[SHA1_DIGEST_STRING_LENGTH];
611 FILE *delta_cache = NULL;
613 struct repo_read_pack_progress_arg pa;
614 struct got_ratelimit rl;
615 struct gotd_object_id_array want_ids;
616 struct gotd_object_id_array have_ids;
618 log_debug("packfile request received");
620 memset(&want_ids, 0, sizeof(want_ids));
621 memset(&have_ids, 0, sizeof(have_ids));
623 got_ratelimit_init(&rl, 2, 0);
625 if (client->delta_cache_fd == -1 || client->pack_pipe == -1)
626 return got_error(GOT_ERR_PRIVSEP_NO_FD);
628 imsg_init(&ibuf, client->fd);
630 delta_cache = fdopen(client->delta_cache_fd, "w+");
631 if (delta_cache == NULL) {
632 err = got_error_from_errno("fdopen");
635 client->delta_cache_fd = -1;
637 memset(&pa, 0, sizeof(pa));
639 pa.report_progress = client->report_progress;
641 err = got_object_idset_for_each(client->want_ids,
642 append_object_id, &want_ids);
645 err = got_object_idset_for_each(client->have_ids,
646 append_object_id, &have_ids);
650 err = got_pack_create(packsha1, client->pack_pipe, delta_cache,
651 have_ids.ids, have_ids.nids, want_ids.ids, want_ids.nids,
652 repo_read.repo, 0, 1, 0, pack_progress, &pa, &rl,
653 check_cancelled, NULL);
657 if (log_getverbose() > 0 &&
658 got_sha1_digest_to_str(packsha1, hex, sizeof(hex)))
659 log_debug("sent pack-%s.pack", hex);
661 memset(&idone, 0, sizeof(idone));
662 idone.client_id = client->id;
663 if (gotd_imsg_compose_event(iev, GOTD_IMSG_PACKFILE_DONE,
664 PROC_REPO_READ, -1, &idone, sizeof(idone)) == -1)
665 err = got_error_from_errno("imsg compose PACKFILE_DONE");
667 if (delta_cache != NULL && fclose(delta_cache) == EOF && err == NULL)
668 err = got_error_from_errno("fclose");
676 repo_read_dispatch_session(int fd, short event, void *arg)
678 const struct got_error *err = NULL;
679 struct gotd_imsgev *iev = arg;
680 struct imsgbuf *ibuf = &iev->ibuf;
684 struct repo_read_client *client = &repo_read_client;
686 if (event & EV_READ) {
687 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
688 fatal("imsg_read error");
689 if (n == 0) /* Connection closed. */
693 if (event & EV_WRITE) {
694 n = msgbuf_write(&ibuf->w);
695 if (n == -1 && errno != EAGAIN)
696 fatal("msgbuf_write");
697 if (n == 0) /* Connection closed. */
701 while (err == NULL && check_cancelled(NULL) == NULL) {
702 if ((n = imsg_get(ibuf, &imsg)) == -1)
703 fatal("%s: imsg_get", __func__);
704 if (n == 0) /* No more messages. */
707 if (imsg.hdr.type != GOTD_IMSG_LIST_REFS_INTERNAL &&
709 err = got_error(GOT_ERR_PRIVSEP_MSG);
713 switch (imsg.hdr.type) {
714 case GOTD_IMSG_LIST_REFS_INTERNAL:
715 err = list_refs(&imsg);
717 log_warnx("ls-refs: %s", err->msg);
720 err = recv_want(&imsg);
722 log_warnx("want-line: %s", err->msg);
725 err = recv_have(&imsg);
727 log_warnx("have-line: %s", err->msg);
729 case GOTD_IMSG_SEND_PACKFILE:
730 err = receive_delta_cache_fd(&imsg, iev);
732 log_warnx("receiving delta cache: %s",
735 case GOTD_IMSG_PACKFILE_PIPE:
736 err = receive_pack_pipe(&imsg, iev);
738 log_warnx("receiving pack pipe: %s", err->msg);
741 err = send_packfile(&imsg, iev);
743 log_warnx("sending packfile: %s", err->msg);
746 log_debug("unexpected imsg %d", imsg.hdr.type);
753 if (!shut && check_cancelled(NULL) == NULL) {
755 gotd_imsg_send_error_event(iev, PROC_REPO_READ,
756 client->id, err) == -1) {
757 log_warnx("could not send error to parent: %s",
760 gotd_imsg_event_add(iev);
762 /* This pipe is dead. Remove its event handler */
764 event_loopexit(NULL);
768 static const struct got_error *
769 recv_connect(struct imsg *imsg)
771 struct gotd_imsgev *iev = &repo_read.session_iev;
774 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
776 return got_error(GOT_ERR_PRIVSEP_LEN);
778 return got_error(GOT_ERR_PRIVSEP_NO_FD);
780 if (repo_read.session_fd != -1)
781 return got_error(GOT_ERR_PRIVSEP_MSG);
783 repo_read.session_fd = imsg->fd;
785 imsg_init(&iev->ibuf, repo_read.session_fd);
786 iev->handler = repo_read_dispatch_session;
787 iev->events = EV_READ;
788 iev->handler_arg = NULL;
789 event_set(&iev->ev, iev->ibuf.fd, EV_READ,
790 repo_read_dispatch_session, iev);
791 gotd_imsg_event_add(iev);
797 repo_read_dispatch(int fd, short event, void *arg)
799 const struct got_error *err = NULL;
800 struct gotd_imsgev *iev = arg;
801 struct imsgbuf *ibuf = &iev->ibuf;
805 struct repo_read_client *client = &repo_read_client;
807 if (event & EV_READ) {
808 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
809 fatal("imsg_read error");
810 if (n == 0) /* Connection closed. */
814 if (event & EV_WRITE) {
815 n = msgbuf_write(&ibuf->w);
816 if (n == -1 && errno != EAGAIN)
817 fatal("msgbuf_write");
818 if (n == 0) /* Connection closed. */
822 while (err == NULL && check_cancelled(NULL) == NULL) {
823 if ((n = imsg_get(ibuf, &imsg)) == -1)
824 fatal("%s: imsg_get", __func__);
825 if (n == 0) /* No more messages. */
828 switch (imsg.hdr.type) {
829 case GOTD_IMSG_CONNECT_REPO_CHILD:
830 err = recv_connect(&imsg);
833 log_debug("unexpected imsg %d", imsg.hdr.type);
840 if (!shut && check_cancelled(NULL) == NULL) {
842 gotd_imsg_send_error_event(iev, PROC_REPO_READ,
843 client->id, err) == -1) {
844 log_warnx("could not send error to parent: %s",
847 gotd_imsg_event_add(iev);
849 /* This pipe is dead. Remove its event handler */
851 event_loopexit(NULL);
856 repo_read_main(const char *title, const char *repo_path,
857 int *pack_fds, int *temp_fds)
859 const struct got_error *err = NULL;
860 struct repo_read_client *client = &repo_read_client;
861 struct gotd_imsgev iev;
864 client->delta_cache_fd = -1;
865 client->pack_pipe = -1;
866 client->have_ids = got_object_idset_alloc();
867 if (client->have_ids == NULL) {
868 err = got_error_from_errno("got_object_idset_alloc");
871 client->want_ids = got_object_idset_alloc();
872 if (client->want_ids == NULL) {
873 err = got_error_from_errno("got_object_idset_alloc");
877 repo_read.title = title;
878 repo_read.pid = getpid();
879 repo_read.pack_fds = pack_fds;
880 repo_read.temp_fds = temp_fds;
881 repo_read.session_fd = -1;
882 repo_read.session_iev.ibuf.fd = -1;
884 err = got_repo_open(&repo_read.repo, repo_path, NULL, pack_fds);
887 if (!got_repo_is_bare(repo_read.repo)) {
888 err = got_error_msg(GOT_ERR_NOT_GIT_REPO,
889 "bare git repository required");
893 got_repo_temp_fds_set(repo_read.repo, temp_fds);
895 signal(SIGINT, catch_sigint);
896 signal(SIGTERM, catch_sigterm);
897 signal(SIGPIPE, SIG_IGN);
898 signal(SIGHUP, SIG_IGN);
900 imsg_init(&iev.ibuf, GOTD_FILENO_MSG_PIPE);
901 iev.handler = repo_read_dispatch;
902 iev.events = EV_READ;
903 iev.handler_arg = NULL;
904 event_set(&iev.ev, iev.ibuf.fd, EV_READ, repo_read_dispatch, &iev);
906 if (gotd_imsg_compose_event(&iev, GOTD_IMSG_REPO_CHILD_READY,
907 PROC_REPO_READ, -1, NULL, 0) == -1) {
908 err = got_error_from_errno("imsg compose REPO_CHILD_READY");
915 log_warnx("%s: %s", title, err->msg);
916 repo_read_shutdown();
920 repo_read_shutdown(void)
922 struct repo_read_client *client = &repo_read_client;
924 log_debug("shutting down");
926 if (client->have_ids)
927 got_object_idset_free(client->have_ids);
928 if (client->want_ids)
929 got_object_idset_free(client->want_ids);
930 if (client->fd != -1)
932 if (client->delta_cache_fd != -1)
933 close(client->delta_cache_fd);
934 if (client->pack_pipe != -1)
935 close(client->pack_pipe);
938 got_repo_close(repo_read.repo);
939 got_repo_pack_fds_close(repo_read.pack_fds);
940 got_repo_temp_fds_close(repo_read.temp_fds);
941 if (repo_read.session_fd != -1)
942 close(repo_read.session_fd);