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[git/spearce.git] / transport.c
blob166c1d1d46d954653b50897ca49678bd21f6bdfb
1 #include "cache.h"
2 #include "transport.h"
3 #include "run-command.h"
4 #ifndef NO_CURL
5 #include "http.h"
6 #endif
7 #include "pkt-line.h"
8 #include "fetch-pack.h"
9 #include "send-pack.h"
10 #include "walker.h"
11 #include "bundle.h"
12 #include "dir.h"
13 #include "refs.h"
15 /* rsync support */
18 * We copy packed-refs and refs/ into a temporary file, then read the
19 * loose refs recursively (sorting whenever possible), and then inserting
20 * those packed refs that are not yet in the list (not validating, but
21 * assuming that the file is sorted).
23 * Appears refactoring this from refs.c is too cumbersome.
26 static int str_cmp(const void *a, const void *b)
28 const char *s1 = a;
29 const char *s2 = b;
31 return strcmp(s1, s2);
34 /* path->buf + name_offset is expected to point to "refs/" */
36 static int read_loose_refs(struct strbuf *path, int name_offset,
37 struct ref **tail)
39 DIR *dir = opendir(path->buf);
40 struct dirent *de;
41 struct {
42 char **entries;
43 int nr, alloc;
44 } list;
45 int i, pathlen;
47 if (!dir)
48 return -1;
50 memset (&list, 0, sizeof(list));
52 while ((de = readdir(dir))) {
53 if (de->d_name[0] == '.' && (de->d_name[1] == '\0' ||
54 (de->d_name[1] == '.' &&
55 de->d_name[2] == '\0')))
56 continue;
57 ALLOC_GROW(list.entries, list.nr + 1, list.alloc);
58 list.entries[list.nr++] = xstrdup(de->d_name);
60 closedir(dir);
62 /* sort the list */
64 qsort(list.entries, list.nr, sizeof(char *), str_cmp);
66 pathlen = path->len;
67 strbuf_addch(path, '/');
69 for (i = 0; i < list.nr; i++, strbuf_setlen(path, pathlen + 1)) {
70 strbuf_addstr(path, list.entries[i]);
71 if (read_loose_refs(path, name_offset, tail)) {
72 int fd = open(path->buf, O_RDONLY);
73 char buffer[40];
74 struct ref *next;
76 if (fd < 0)
77 continue;
78 next = alloc_ref(path->len - name_offset + 1);
79 if (read_in_full(fd, buffer, 40) != 40 ||
80 get_sha1_hex(buffer, next->old_sha1)) {
81 close(fd);
82 free(next);
83 continue;
85 close(fd);
86 strcpy(next->name, path->buf + name_offset);
87 (*tail)->next = next;
88 *tail = next;
91 strbuf_setlen(path, pathlen);
93 for (i = 0; i < list.nr; i++)
94 free(list.entries[i]);
95 free(list.entries);
97 return 0;
100 /* insert the packed refs for which no loose refs were found */
102 static void insert_packed_refs(const char *packed_refs, struct ref **list)
104 FILE *f = fopen(packed_refs, "r");
105 static char buffer[PATH_MAX];
107 if (!f)
108 return;
110 for (;;) {
111 int cmp = cmp, len;
113 if (!fgets(buffer, sizeof(buffer), f)) {
114 fclose(f);
115 return;
118 if (hexval(buffer[0]) > 0xf)
119 continue;
120 len = strlen(buffer);
121 if (len && buffer[len - 1] == '\n')
122 buffer[--len] = '\0';
123 if (len < 41)
124 continue;
125 while ((*list)->next &&
126 (cmp = strcmp(buffer + 41,
127 (*list)->next->name)) > 0)
128 list = &(*list)->next;
129 if (!(*list)->next || cmp < 0) {
130 struct ref *next = alloc_ref(len - 40);
131 buffer[40] = '\0';
132 if (get_sha1_hex(buffer, next->old_sha1)) {
133 warning ("invalid SHA-1: %s", buffer);
134 free(next);
135 continue;
137 strcpy(next->name, buffer + 41);
138 next->next = (*list)->next;
139 (*list)->next = next;
140 list = &(*list)->next;
145 static struct ref *get_refs_via_rsync(struct transport *transport)
147 struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
148 struct ref dummy, *tail = &dummy;
149 struct child_process rsync;
150 const char *args[5];
151 int temp_dir_len;
153 /* copy the refs to the temporary directory */
155 strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
156 if (!mkdtemp(temp_dir.buf))
157 die ("Could not make temporary directory");
158 temp_dir_len = temp_dir.len;
160 strbuf_addstr(&buf, transport->url);
161 strbuf_addstr(&buf, "/refs");
163 memset(&rsync, 0, sizeof(rsync));
164 rsync.argv = args;
165 rsync.stdout_to_stderr = 1;
166 args[0] = "rsync";
167 args[1] = (transport->verbose > 0) ? "-rv" : "-r";
168 args[2] = buf.buf;
169 args[3] = temp_dir.buf;
170 args[4] = NULL;
172 if (run_command(&rsync))
173 die ("Could not run rsync to get refs");
175 strbuf_reset(&buf);
176 strbuf_addstr(&buf, transport->url);
177 strbuf_addstr(&buf, "/packed-refs");
179 args[2] = buf.buf;
181 if (run_command(&rsync))
182 die ("Could not run rsync to get refs");
184 /* read the copied refs */
186 strbuf_addstr(&temp_dir, "/refs");
187 read_loose_refs(&temp_dir, temp_dir_len + 1, &tail);
188 strbuf_setlen(&temp_dir, temp_dir_len);
190 tail = &dummy;
191 strbuf_addstr(&temp_dir, "/packed-refs");
192 insert_packed_refs(temp_dir.buf, &tail);
193 strbuf_setlen(&temp_dir, temp_dir_len);
195 if (remove_dir_recursively(&temp_dir, 0))
196 warning ("Error removing temporary directory %s.",
197 temp_dir.buf);
199 strbuf_release(&buf);
200 strbuf_release(&temp_dir);
202 return dummy.next;
205 static int fetch_objs_via_rsync(struct transport *transport,
206 int nr_objs, struct ref **to_fetch)
208 struct strbuf buf = STRBUF_INIT;
209 struct child_process rsync;
210 const char *args[8];
211 int result;
213 strbuf_addstr(&buf, transport->url);
214 strbuf_addstr(&buf, "/objects/");
216 memset(&rsync, 0, sizeof(rsync));
217 rsync.argv = args;
218 rsync.stdout_to_stderr = 1;
219 args[0] = "rsync";
220 args[1] = (transport->verbose > 0) ? "-rv" : "-r";
221 args[2] = "--ignore-existing";
222 args[3] = "--exclude";
223 args[4] = "info";
224 args[5] = buf.buf;
225 args[6] = get_object_directory();
226 args[7] = NULL;
228 /* NEEDSWORK: handle one level of alternates */
229 result = run_command(&rsync);
231 strbuf_release(&buf);
233 return result;
236 static int write_one_ref(const char *name, const unsigned char *sha1,
237 int flags, void *data)
239 struct strbuf *buf = data;
240 int len = buf->len;
241 FILE *f;
243 /* when called via for_each_ref(), flags is non-zero */
244 if (flags && prefixcmp(name, "refs/heads/") &&
245 prefixcmp(name, "refs/tags/"))
246 return 0;
248 strbuf_addstr(buf, name);
249 if (safe_create_leading_directories(buf->buf) ||
250 !(f = fopen(buf->buf, "w")) ||
251 fprintf(f, "%s\n", sha1_to_hex(sha1)) < 0 ||
252 fclose(f))
253 return error("problems writing temporary file %s", buf->buf);
254 strbuf_setlen(buf, len);
255 return 0;
258 static int write_refs_to_temp_dir(struct strbuf *temp_dir,
259 int refspec_nr, const char **refspec)
261 int i;
263 for (i = 0; i < refspec_nr; i++) {
264 unsigned char sha1[20];
265 char *ref;
267 if (dwim_ref(refspec[i], strlen(refspec[i]), sha1, &ref) != 1)
268 return error("Could not get ref %s", refspec[i]);
270 if (write_one_ref(ref, sha1, 0, temp_dir)) {
271 free(ref);
272 return -1;
274 free(ref);
276 return 0;
279 static int rsync_transport_push(struct transport *transport,
280 int refspec_nr, const char **refspec, int flags)
282 struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
283 int result = 0, i;
284 struct child_process rsync;
285 const char *args[10];
287 if (flags & TRANSPORT_PUSH_MIRROR)
288 return error("rsync transport does not support mirror mode");
290 /* first push the objects */
292 strbuf_addstr(&buf, transport->url);
293 strbuf_addch(&buf, '/');
295 memset(&rsync, 0, sizeof(rsync));
296 rsync.argv = args;
297 rsync.stdout_to_stderr = 1;
298 i = 0;
299 args[i++] = "rsync";
300 args[i++] = "-a";
301 if (flags & TRANSPORT_PUSH_DRY_RUN)
302 args[i++] = "--dry-run";
303 if (transport->verbose > 0)
304 args[i++] = "-v";
305 args[i++] = "--ignore-existing";
306 args[i++] = "--exclude";
307 args[i++] = "info";
308 args[i++] = get_object_directory();
309 args[i++] = buf.buf;
310 args[i++] = NULL;
312 if (run_command(&rsync))
313 return error("Could not push objects to %s", transport->url);
315 /* copy the refs to the temporary directory; they could be packed. */
317 strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
318 if (!mkdtemp(temp_dir.buf))
319 die ("Could not make temporary directory");
320 strbuf_addch(&temp_dir, '/');
322 if (flags & TRANSPORT_PUSH_ALL) {
323 if (for_each_ref(write_one_ref, &temp_dir))
324 return -1;
325 } else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec))
326 return -1;
328 i = 2;
329 if (flags & TRANSPORT_PUSH_DRY_RUN)
330 args[i++] = "--dry-run";
331 if (!(flags & TRANSPORT_PUSH_FORCE))
332 args[i++] = "--ignore-existing";
333 args[i++] = temp_dir.buf;
334 args[i++] = transport->url;
335 args[i++] = NULL;
336 if (run_command(&rsync))
337 result = error("Could not push to %s", transport->url);
339 if (remove_dir_recursively(&temp_dir, 0))
340 warning ("Could not remove temporary directory %s.",
341 temp_dir.buf);
343 strbuf_release(&buf);
344 strbuf_release(&temp_dir);
346 return result;
349 /* Generic functions for using commit walkers */
351 #ifndef NO_CURL /* http fetch is the only user */
352 static int fetch_objs_via_walker(struct transport *transport,
353 int nr_objs, struct ref **to_fetch)
355 char *dest = xstrdup(transport->url);
356 struct walker *walker = transport->data;
357 char **objs = xmalloc(nr_objs * sizeof(*objs));
358 int i;
360 walker->get_all = 1;
361 walker->get_tree = 1;
362 walker->get_history = 1;
363 walker->get_verbosely = transport->verbose >= 0;
364 walker->get_recover = 0;
366 for (i = 0; i < nr_objs; i++)
367 objs[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1));
369 if (walker_fetch(walker, nr_objs, objs, NULL, NULL))
370 die("Fetch failed.");
372 for (i = 0; i < nr_objs; i++)
373 free(objs[i]);
374 free(objs);
375 free(dest);
376 return 0;
378 #endif /* NO_CURL */
380 static int disconnect_walker(struct transport *transport)
382 struct walker *walker = transport->data;
383 if (walker)
384 walker_free(walker);
385 return 0;
388 #ifndef NO_CURL
389 static int curl_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags)
391 const char **argv;
392 int argc;
393 int err;
395 if (flags & TRANSPORT_PUSH_MIRROR)
396 return error("http transport does not support mirror mode");
398 argv = xmalloc((refspec_nr + 12) * sizeof(char *));
399 argv[0] = "http-push";
400 argc = 1;
401 if (flags & TRANSPORT_PUSH_ALL)
402 argv[argc++] = "--all";
403 if (flags & TRANSPORT_PUSH_FORCE)
404 argv[argc++] = "--force";
405 if (flags & TRANSPORT_PUSH_DRY_RUN)
406 argv[argc++] = "--dry-run";
407 if (flags & TRANSPORT_PUSH_VERBOSE)
408 argv[argc++] = "--verbose";
409 argv[argc++] = transport->url;
410 while (refspec_nr--)
411 argv[argc++] = *refspec++;
412 argv[argc] = NULL;
413 err = run_command_v_opt(argv, RUN_GIT_CMD);
414 switch (err) {
415 case -ERR_RUN_COMMAND_FORK:
416 error("unable to fork for %s", argv[0]);
417 case -ERR_RUN_COMMAND_EXEC:
418 error("unable to exec %s", argv[0]);
419 break;
420 case -ERR_RUN_COMMAND_WAITPID:
421 case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
422 case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
423 case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
424 error("%s died with strange error", argv[0]);
426 return !!err;
429 static struct ref *get_refs_via_curl(struct transport *transport)
431 struct strbuf buffer = STRBUF_INIT;
432 char *data, *start, *mid;
433 char *ref_name;
434 char *refs_url;
435 int i = 0;
437 struct active_request_slot *slot;
438 struct slot_results results;
440 struct ref *refs = NULL;
441 struct ref *ref = NULL;
442 struct ref *last_ref = NULL;
444 if (!transport->data)
445 transport->data = get_http_walker(transport->url,
446 transport->remote);
448 refs_url = xmalloc(strlen(transport->url) + 11);
449 sprintf(refs_url, "%s/info/refs", transport->url);
451 slot = get_active_slot();
452 slot->results = &results;
453 curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
454 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
455 curl_easy_setopt(slot->curl, CURLOPT_URL, refs_url);
456 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
458 if (start_active_slot(slot)) {
459 run_active_slot(slot);
460 if (results.curl_result != CURLE_OK) {
461 strbuf_release(&buffer);
462 if (missing_target(&results)) {
463 return NULL;
464 } else {
465 error("%s", curl_errorstr);
466 return NULL;
469 } else {
470 strbuf_release(&buffer);
471 error("Unable to start request");
472 return NULL;
475 data = buffer.buf;
476 start = NULL;
477 mid = data;
478 while (i < buffer.len) {
479 if (!start)
480 start = &data[i];
481 if (data[i] == '\t')
482 mid = &data[i];
483 if (data[i] == '\n') {
484 data[i] = 0;
485 ref_name = mid + 1;
486 ref = xmalloc(sizeof(struct ref) +
487 strlen(ref_name) + 1);
488 memset(ref, 0, sizeof(struct ref));
489 strcpy(ref->name, ref_name);
490 get_sha1_hex(start, ref->old_sha1);
491 if (!refs)
492 refs = ref;
493 if (last_ref)
494 last_ref->next = ref;
495 last_ref = ref;
496 start = NULL;
498 i++;
501 strbuf_release(&buffer);
503 return refs;
506 static int fetch_objs_via_curl(struct transport *transport,
507 int nr_objs, struct ref **to_fetch)
509 if (!transport->data)
510 transport->data = get_http_walker(transport->url,
511 transport->remote);
512 return fetch_objs_via_walker(transport, nr_objs, to_fetch);
515 #endif
517 struct bundle_transport_data {
518 int fd;
519 struct bundle_header header;
522 static struct ref *get_refs_from_bundle(struct transport *transport)
524 struct bundle_transport_data *data = transport->data;
525 struct ref *result = NULL;
526 int i;
528 if (data->fd > 0)
529 close(data->fd);
530 data->fd = read_bundle_header(transport->url, &data->header);
531 if (data->fd < 0)
532 die ("Could not read bundle '%s'.", transport->url);
533 for (i = 0; i < data->header.references.nr; i++) {
534 struct ref_list_entry *e = data->header.references.list + i;
535 struct ref *ref = alloc_ref(strlen(e->name) + 1);
536 hashcpy(ref->old_sha1, e->sha1);
537 strcpy(ref->name, e->name);
538 ref->next = result;
539 result = ref;
541 return result;
544 static int fetch_refs_from_bundle(struct transport *transport,
545 int nr_heads, struct ref **to_fetch)
547 struct bundle_transport_data *data = transport->data;
548 return unbundle(&data->header, data->fd);
551 static int close_bundle(struct transport *transport)
553 struct bundle_transport_data *data = transport->data;
554 if (data->fd > 0)
555 close(data->fd);
556 free(data);
557 return 0;
560 struct git_transport_data {
561 unsigned thin : 1;
562 unsigned keep : 1;
563 int depth;
564 struct child_process *conn;
565 int fd[2];
566 const char *uploadpack;
567 const char *receivepack;
570 static int set_git_option(struct transport *connection,
571 const char *name, const char *value)
573 struct git_transport_data *data = connection->data;
574 if (!strcmp(name, TRANS_OPT_UPLOADPACK)) {
575 data->uploadpack = value;
576 return 0;
577 } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) {
578 data->receivepack = value;
579 return 0;
580 } else if (!strcmp(name, TRANS_OPT_THIN)) {
581 data->thin = !!value;
582 return 0;
583 } else if (!strcmp(name, TRANS_OPT_KEEP)) {
584 data->keep = !!value;
585 return 0;
586 } else if (!strcmp(name, TRANS_OPT_DEPTH)) {
587 if (!value)
588 data->depth = 0;
589 else
590 data->depth = atoi(value);
591 return 0;
593 return 1;
596 static int connect_setup(struct transport *transport)
598 struct git_transport_data *data = transport->data;
599 data->conn = git_connect(data->fd, transport->url, data->uploadpack, 0);
600 return 0;
603 static struct ref *get_refs_via_connect(struct transport *transport)
605 struct git_transport_data *data = transport->data;
606 struct ref *refs;
608 connect_setup(transport);
609 get_remote_heads(data->fd[0], &refs, 0, NULL, 0);
611 return refs;
614 static int fetch_refs_via_pack(struct transport *transport,
615 int nr_heads, struct ref **to_fetch)
617 struct git_transport_data *data = transport->data;
618 char **heads = xmalloc(nr_heads * sizeof(*heads));
619 char **origh = xmalloc(nr_heads * sizeof(*origh));
620 const struct ref *refs;
621 char *dest = xstrdup(transport->url);
622 struct fetch_pack_args args;
623 int i;
624 struct ref *refs_tmp = NULL;
626 memset(&args, 0, sizeof(args));
627 args.uploadpack = data->uploadpack;
628 args.keep_pack = data->keep;
629 args.lock_pack = 1;
630 args.use_thin_pack = data->thin;
631 args.verbose = transport->verbose > 0;
632 args.depth = data->depth;
634 for (i = 0; i < nr_heads; i++)
635 origh[i] = heads[i] = xstrdup(to_fetch[i]->name);
637 if (!data->conn) {
638 connect_setup(transport);
639 get_remote_heads(data->fd[0], &refs_tmp, 0, NULL, 0);
642 refs = fetch_pack(&args, data->fd, data->conn,
643 refs_tmp ? refs_tmp : transport->remote_refs,
644 dest, nr_heads, heads, &transport->pack_lockfile);
645 close(data->fd[0]);
646 close(data->fd[1]);
647 if (finish_connect(data->conn))
648 refs = NULL;
649 data->conn = NULL;
651 free_refs(refs_tmp);
653 for (i = 0; i < nr_heads; i++)
654 free(origh[i]);
655 free(origh);
656 free(heads);
657 free(dest);
658 return (refs ? 0 : -1);
661 static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags)
663 struct git_transport_data *data = transport->data;
664 struct send_pack_args args;
666 args.receivepack = data->receivepack;
667 args.send_all = !!(flags & TRANSPORT_PUSH_ALL);
668 args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
669 args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
670 args.use_thin_pack = data->thin;
671 args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE);
672 args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
674 return send_pack(&args, transport->url, transport->remote, refspec_nr, refspec);
677 static int disconnect_git(struct transport *transport)
679 struct git_transport_data *data = transport->data;
680 if (data->conn) {
681 packet_flush(data->fd[1]);
682 close(data->fd[0]);
683 close(data->fd[1]);
684 finish_connect(data->conn);
687 free(data);
688 return 0;
691 static int is_local(const char *url)
693 const char *colon = strchr(url, ':');
694 const char *slash = strchr(url, '/');
695 return !colon || (slash && slash < colon);
698 static int is_file(const char *url)
700 struct stat buf;
701 if (stat(url, &buf))
702 return 0;
703 return S_ISREG(buf.st_mode);
706 struct transport *transport_get(struct remote *remote, const char *url)
708 struct transport *ret = xcalloc(1, sizeof(*ret));
710 ret->remote = remote;
711 ret->url = url;
713 if (!prefixcmp(url, "rsync://")) {
714 ret->get_refs_list = get_refs_via_rsync;
715 ret->fetch = fetch_objs_via_rsync;
716 ret->push = rsync_transport_push;
718 } else if (!prefixcmp(url, "http://")
719 || !prefixcmp(url, "https://")
720 || !prefixcmp(url, "ftp://")) {
721 #ifdef NO_CURL
722 error("git was compiled without libcurl support.");
723 #else
724 ret->get_refs_list = get_refs_via_curl;
725 ret->fetch = fetch_objs_via_curl;
726 ret->push = curl_transport_push;
727 #endif
728 ret->disconnect = disconnect_walker;
730 } else if (is_local(url) && is_file(url)) {
731 struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
732 ret->data = data;
733 ret->get_refs_list = get_refs_from_bundle;
734 ret->fetch = fetch_refs_from_bundle;
735 ret->disconnect = close_bundle;
737 } else {
738 struct git_transport_data *data = xcalloc(1, sizeof(*data));
739 ret->data = data;
740 ret->set_option = set_git_option;
741 ret->get_refs_list = get_refs_via_connect;
742 ret->fetch = fetch_refs_via_pack;
743 ret->push = git_transport_push;
744 ret->disconnect = disconnect_git;
746 data->thin = 1;
747 data->conn = NULL;
748 data->uploadpack = "git-upload-pack";
749 if (remote && remote->uploadpack)
750 data->uploadpack = remote->uploadpack;
751 data->receivepack = "git-receive-pack";
752 if (remote && remote->receivepack)
753 data->receivepack = remote->receivepack;
756 return ret;
759 int transport_set_option(struct transport *transport,
760 const char *name, const char *value)
762 if (transport->set_option)
763 return transport->set_option(transport, name, value);
764 return 1;
767 int transport_push(struct transport *transport,
768 int refspec_nr, const char **refspec, int flags)
770 if (!transport->push)
771 return 1;
772 return transport->push(transport, refspec_nr, refspec, flags);
775 const struct ref *transport_get_remote_refs(struct transport *transport)
777 if (!transport->remote_refs)
778 transport->remote_refs = transport->get_refs_list(transport);
779 return transport->remote_refs;
782 int transport_fetch_refs(struct transport *transport, struct ref *refs)
784 int rc;
785 int nr_heads = 0, nr_alloc = 0;
786 struct ref **heads = NULL;
787 struct ref *rm;
789 for (rm = refs; rm; rm = rm->next) {
790 if (rm->peer_ref &&
791 !hashcmp(rm->peer_ref->old_sha1, rm->old_sha1))
792 continue;
793 ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
794 heads[nr_heads++] = rm;
797 rc = transport->fetch(transport, nr_heads, heads);
798 free(heads);
799 return rc;
802 void transport_unlock_pack(struct transport *transport)
804 if (transport->pack_lockfile) {
805 unlink(transport->pack_lockfile);
806 free(transport->pack_lockfile);
807 transport->pack_lockfile = NULL;
811 int transport_disconnect(struct transport *transport)
813 int ret = 0;
814 if (transport->disconnect)
815 ret = transport->disconnect(transport);
816 free(transport);
817 return ret;