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>
33 #include "got_error.h"
34 #include "got_cancel.h"
35 #include "got_object.h"
36 #include "got_repository.h"
37 #include "got_reference.h"
38 #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_sha1.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 gotd_object_id_array want_ids;
74 struct gotd_object_id_array 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 record_object_id(struct gotd_object_id_array *array, struct got_object_id *id)
377 const size_t alloc_chunksz = 256;
379 if (array->ids == NULL) {
380 array->ids = reallocarray(NULL, alloc_chunksz,
381 sizeof(*array->ids));
382 if (array->ids == NULL)
383 return got_error_from_errno("reallocarray");
384 array->nalloc = alloc_chunksz;
386 } else if (array->nalloc <= array->nids) {
387 struct got_object_id **new;
388 new = recallocarray(array->ids, array->nalloc,
389 array->nalloc + alloc_chunksz, sizeof(*new));
391 return got_error_from_errno("recallocarray");
393 array->nalloc += alloc_chunksz;
396 array->ids[array->nids] = got_object_id_dup(id);
397 if (array->ids[array->nids] == NULL)
398 return got_error_from_errno("got_object_id_dup");
404 free_object_ids(struct gotd_object_id_array *array)
408 for (i = 0; i < array->nids; i++)
417 static const struct got_error *
418 recv_want(struct imsg *imsg)
420 const struct got_error *err;
421 struct repo_read_client *client = &repo_read_client;
422 struct gotd_imsg_want iwant;
424 char hex[SHA1_DIGEST_STRING_LENGTH];
425 struct got_object_id id;
429 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
430 if (datalen != sizeof(iwant))
431 return got_error(GOT_ERR_PRIVSEP_LEN);
432 memcpy(&iwant, imsg->data, sizeof(iwant));
434 memset(&id, 0, sizeof(id));
435 memcpy(id.sha1, iwant.object_id, SHA1_DIGEST_LENGTH);
437 if (log_getverbose() > 0 &&
438 got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
439 log_debug("client wants %s", hex);
441 imsg_init(&ibuf, client->fd);
443 err = got_object_get_type(&obj_type, repo_read.repo, &id);
447 if (obj_type != GOT_OBJ_TYPE_COMMIT &&
448 obj_type != GOT_OBJ_TYPE_TAG)
449 return got_error(GOT_ERR_OBJ_TYPE);
451 err = record_object_id(&client->want_ids, &id);
455 gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
460 static const struct got_error *
461 recv_have(struct imsg *imsg)
463 const struct got_error *err;
464 struct repo_read_client *client = &repo_read_client;
465 struct gotd_imsg_have ihave;
467 char hex[SHA1_DIGEST_STRING_LENGTH];
468 struct got_object_id id;
472 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
473 if (datalen != sizeof(ihave))
474 return got_error(GOT_ERR_PRIVSEP_LEN);
475 memcpy(&ihave, imsg->data, sizeof(ihave));
477 memset(&id, 0, sizeof(id));
478 memcpy(id.sha1, ihave.object_id, SHA1_DIGEST_LENGTH);
480 if (log_getverbose() > 0 &&
481 got_sha1_digest_to_str(id.sha1, hex, sizeof(hex)))
482 log_debug("client has %s", hex);
484 imsg_init(&ibuf, client->fd);
486 err = got_object_get_type(&obj_type, repo_read.repo, &id);
488 if (err->code == GOT_ERR_NO_OBJ) {
489 gotd_imsg_send_nak(&id, &ibuf,
490 PROC_REPO_READ, repo_read.pid);
496 if (obj_type != GOT_OBJ_TYPE_COMMIT &&
497 obj_type != GOT_OBJ_TYPE_TAG) {
498 gotd_imsg_send_nak(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
499 err = got_error(GOT_ERR_OBJ_TYPE);
503 err = record_object_id(&client->have_ids, &id);
507 gotd_imsg_send_ack(&id, &ibuf, PROC_REPO_READ, repo_read.pid);
513 struct repo_read_pack_progress_arg {
515 struct imsgbuf *ibuf;
519 static const struct got_error *
520 pack_progress(void *arg, int ncolored, int nfound, int ntrees,
521 off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
524 struct repo_read_pack_progress_arg *a = arg;
525 struct gotd_imsg_packfile_progress iprog;
528 if (!a->report_progress)
530 if (packfile_size > 0 && a->sent_ready)
533 memset(&iprog, 0, sizeof(iprog));
534 iprog.ncolored = ncolored;
535 iprog.nfound = nfound;
536 iprog.ntrees = ntrees;
537 iprog.packfile_size = packfile_size;
538 iprog.ncommits = ncommits;
539 iprog.nobj_total = nobj_total;
540 iprog.nobj_deltify = nobj_deltify;
541 iprog.nobj_written = nobj_written;
543 /* Using synchronous writes since we are blocking the event loop. */
544 if (packfile_size == 0) {
545 ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_PROGRESS,
546 PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
548 return got_error_from_errno("imsg compose "
549 "PACKFILE_PROGRESS");
553 ret = imsg_compose(a->ibuf, GOTD_IMSG_PACKFILE_READY,
554 PROC_REPO_READ, repo_read.pid, -1, &iprog, sizeof(iprog));
556 return got_error_from_errno("imsg compose "
561 return gotd_imsg_flush(a->ibuf);
564 static const struct got_error *
565 receive_delta_cache_fd(struct imsg *imsg,
566 struct gotd_imsgev *iev)
568 struct repo_read_client *client = &repo_read_client;
569 struct gotd_imsg_send_packfile ireq;
572 log_debug("receving delta cache file");
575 return got_error(GOT_ERR_PRIVSEP_NO_FD);
577 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
578 if (datalen != sizeof(ireq))
579 return got_error(GOT_ERR_PRIVSEP_LEN);
580 memcpy(&ireq, imsg->data, sizeof(ireq));
582 if (client->delta_cache_fd != -1)
583 return got_error(GOT_ERR_PRIVSEP_MSG);
585 client->delta_cache_fd = imsg->fd;
586 client->report_progress = ireq.report_progress;
590 static const struct got_error *
591 receive_pack_pipe(struct imsg *imsg, struct gotd_imsgev *iev)
593 struct repo_read_client *client = &repo_read_client;
594 struct gotd_imsg_packfile_pipe ireq;
597 log_debug("receving pack pipe descriptor");
600 return got_error(GOT_ERR_PRIVSEP_NO_FD);
602 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
603 if (datalen != sizeof(ireq))
604 return got_error(GOT_ERR_PRIVSEP_LEN);
605 memcpy(&ireq, imsg->data, sizeof(ireq));
607 if (client->pack_pipe != -1)
608 return got_error(GOT_ERR_PRIVSEP_MSG);
610 client->pack_pipe = imsg->fd;
614 static const struct got_error *
615 send_packfile(struct imsg *imsg, struct gotd_imsgev *iev)
617 const struct got_error *err = NULL;
618 struct repo_read_client *client = &repo_read_client;
619 struct gotd_imsg_packfile_done idone;
620 uint8_t packsha1[SHA1_DIGEST_LENGTH];
621 char hex[SHA1_DIGEST_STRING_LENGTH];
622 FILE *delta_cache = NULL;
624 struct repo_read_pack_progress_arg pa;
625 struct got_ratelimit rl;
627 log_debug("packfile request received");
629 got_ratelimit_init(&rl, 2, 0);
631 if (client->delta_cache_fd == -1 || client->pack_pipe == -1)
632 return got_error(GOT_ERR_PRIVSEP_NO_FD);
634 imsg_init(&ibuf, client->fd);
636 delta_cache = fdopen(client->delta_cache_fd, "w+");
637 if (delta_cache == NULL) {
638 err = got_error_from_errno("fdopen");
641 client->delta_cache_fd = -1;
643 memset(&pa, 0, sizeof(pa));
645 pa.report_progress = client->report_progress;
647 err = got_pack_create(packsha1, client->pack_pipe, delta_cache,
648 client->have_ids.ids, client->have_ids.nids,
649 client->want_ids.ids, client->want_ids.nids,
650 repo_read.repo, 0, 1, 0, pack_progress, &pa, &rl,
651 check_cancelled, NULL);
655 if (log_getverbose() > 0 &&
656 got_sha1_digest_to_str(packsha1, hex, sizeof(hex)))
657 log_debug("sent pack-%s.pack", hex);
659 memset(&idone, 0, sizeof(idone));
660 idone.client_id = client->id;
661 if (gotd_imsg_compose_event(iev, GOTD_IMSG_PACKFILE_DONE,
662 PROC_REPO_READ, -1, &idone, sizeof(idone)) == -1)
663 err = got_error_from_errno("imsg compose PACKFILE_DONE");
665 if (delta_cache != NULL && fclose(delta_cache) == EOF && err == NULL)
666 err = got_error_from_errno("fclose");
672 repo_read_dispatch_session(int fd, short event, void *arg)
674 const struct got_error *err = NULL;
675 struct gotd_imsgev *iev = arg;
676 struct imsgbuf *ibuf = &iev->ibuf;
680 struct repo_read_client *client = &repo_read_client;
682 if (event & EV_READ) {
683 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
684 fatal("imsg_read error");
685 if (n == 0) /* Connection closed. */
689 if (event & EV_WRITE) {
690 n = msgbuf_write(&ibuf->w);
691 if (n == -1 && errno != EAGAIN)
692 fatal("msgbuf_write");
693 if (n == 0) /* Connection closed. */
697 while (err == NULL && check_cancelled(NULL) == NULL) {
698 if ((n = imsg_get(ibuf, &imsg)) == -1)
699 fatal("%s: imsg_get", __func__);
700 if (n == 0) /* No more messages. */
703 if (imsg.hdr.type != GOTD_IMSG_LIST_REFS_INTERNAL &&
705 err = got_error(GOT_ERR_PRIVSEP_MSG);
709 switch (imsg.hdr.type) {
710 case GOTD_IMSG_LIST_REFS_INTERNAL:
711 err = list_refs(&imsg);
713 log_warnx("%s: ls-refs: %s", repo_read.title,
717 err = recv_want(&imsg);
719 log_warnx("%s: want-line: %s", repo_read.title,
723 err = recv_have(&imsg);
725 log_warnx("%s: have-line: %s", repo_read.title,
728 case GOTD_IMSG_SEND_PACKFILE:
729 err = receive_delta_cache_fd(&imsg, iev);
731 log_warnx("%s: receiving delta cache: %s",
732 repo_read.title, err->msg);
734 case GOTD_IMSG_PACKFILE_PIPE:
735 err = receive_pack_pipe(&imsg, iev);
737 log_warnx("%s: receiving pack pipe: %s",
738 repo_read.title, err->msg);
741 err = send_packfile(&imsg, iev);
743 log_warnx("%s: sending packfile: %s",
744 repo_read.title, err->msg);
747 log_debug("%s: unexpected imsg %d", repo_read.title,
755 if (!shut && check_cancelled(NULL) == NULL) {
757 gotd_imsg_send_error_event(iev, PROC_REPO_READ,
758 client->id, err) == -1) {
759 log_warnx("could not send error to parent: %s",
762 gotd_imsg_event_add(iev);
764 /* This pipe is dead. Remove its event handler */
766 event_loopexit(NULL);
770 static const struct got_error *
771 recv_connect(struct imsg *imsg)
773 struct gotd_imsgev *iev = &repo_read.session_iev;
776 datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
778 return got_error(GOT_ERR_PRIVSEP_LEN);
780 return got_error(GOT_ERR_PRIVSEP_NO_FD);
782 if (repo_read.session_fd != -1)
783 return got_error(GOT_ERR_PRIVSEP_MSG);
785 repo_read.session_fd = imsg->fd;
787 imsg_init(&iev->ibuf, repo_read.session_fd);
788 iev->handler = repo_read_dispatch_session;
789 iev->events = EV_READ;
790 iev->handler_arg = NULL;
791 event_set(&iev->ev, iev->ibuf.fd, EV_READ,
792 repo_read_dispatch_session, iev);
793 gotd_imsg_event_add(iev);
799 repo_read_dispatch(int fd, short event, void *arg)
801 const struct got_error *err = NULL;
802 struct gotd_imsgev *iev = arg;
803 struct imsgbuf *ibuf = &iev->ibuf;
807 struct repo_read_client *client = &repo_read_client;
809 if (event & EV_READ) {
810 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
811 fatal("imsg_read error");
812 if (n == 0) /* Connection closed. */
816 if (event & EV_WRITE) {
817 n = msgbuf_write(&ibuf->w);
818 if (n == -1 && errno != EAGAIN)
819 fatal("msgbuf_write");
820 if (n == 0) /* Connection closed. */
824 while (err == NULL && check_cancelled(NULL) == NULL) {
825 if ((n = imsg_get(ibuf, &imsg)) == -1)
826 fatal("%s: imsg_get", __func__);
827 if (n == 0) /* No more messages. */
830 switch (imsg.hdr.type) {
831 case GOTD_IMSG_CONNECT_REPO_CHILD:
832 err = recv_connect(&imsg);
835 log_debug("%s: unexpected imsg %d", repo_read.title,
843 if (!shut && check_cancelled(NULL) == NULL) {
845 gotd_imsg_send_error_event(iev, PROC_REPO_READ,
846 client->id, err) == -1) {
847 log_warnx("could not send error to parent: %s",
850 gotd_imsg_event_add(iev);
852 /* This pipe is dead. Remove its event handler */
854 event_loopexit(NULL);
859 repo_read_main(const char *title, const char *repo_path,
860 int *pack_fds, int *temp_fds)
862 const struct got_error *err = NULL;
863 struct repo_read_client *client = &repo_read_client;
864 struct gotd_imsgev iev;
867 client->delta_cache_fd = -1;
868 client->pack_pipe = -1;
870 repo_read.title = title;
871 repo_read.pid = getpid();
872 repo_read.pack_fds = pack_fds;
873 repo_read.temp_fds = temp_fds;
874 repo_read.session_fd = -1;
875 repo_read.session_iev.ibuf.fd = -1;
877 err = got_repo_open(&repo_read.repo, repo_path, NULL, pack_fds);
880 if (!got_repo_is_bare(repo_read.repo)) {
881 err = got_error_msg(GOT_ERR_NOT_GIT_REPO,
882 "bare git repository required");
886 got_repo_temp_fds_set(repo_read.repo, temp_fds);
888 signal(SIGINT, catch_sigint);
889 signal(SIGTERM, catch_sigterm);
890 signal(SIGPIPE, SIG_IGN);
891 signal(SIGHUP, SIG_IGN);
893 imsg_init(&iev.ibuf, GOTD_FILENO_MSG_PIPE);
894 iev.handler = repo_read_dispatch;
895 iev.events = EV_READ;
896 iev.handler_arg = NULL;
897 event_set(&iev.ev, iev.ibuf.fd, EV_READ, repo_read_dispatch, &iev);
899 if (gotd_imsg_compose_event(&iev, GOTD_IMSG_REPO_CHILD_READY,
900 PROC_REPO_READ, -1, NULL, 0) == -1) {
901 err = got_error_from_errno("imsg compose REPO_CHILD_READY");
908 log_warnx("%s: %s", title, err->msg);
909 repo_read_shutdown();
913 repo_read_shutdown(void)
915 struct repo_read_client *client = &repo_read_client;
917 log_debug("%s: shutting down", repo_read.title);
919 free_object_ids(&client->have_ids);
920 free_object_ids(&client->want_ids);
921 if (client->fd != -1)
923 if (client->delta_cache_fd != -1)
924 close(client->delta_cache_fd);
925 if (client->pack_pipe != -1)
926 close(client->pack_pipe);
929 got_repo_close(repo_read.repo);
930 got_repo_pack_fds_close(repo_read.pack_fds);
931 got_repo_temp_fds_close(repo_read.temp_fds);
932 if (repo_read.session_fd != -1)
933 close(repo_read.session_fd);