Let deny.currentBranch=updateInstead ignore submodules
[git/mingw/4msysgit.git] / upload-pack.c
bloba3c52f691da5e5ce95d70a9ed43cffd00f620ccd
1 #include "cache.h"
2 #include "refs.h"
3 #include "pkt-line.h"
4 #include "sideband.h"
5 #include "tag.h"
6 #include "object.h"
7 #include "commit.h"
8 #include "exec_cmd.h"
9 #include "diff.h"
10 #include "revision.h"
11 #include "list-objects.h"
12 #include "run-command.h"
13 #include "connect.h"
14 #include "sigchain.h"
15 #include "version.h"
16 #include "string-list.h"
18 static const char upload_pack_usage[] = "git upload-pack [--strict] [--timeout=<n>] <dir>";
20 /* bits #0..7 in revision.h, #8..10 in commit.c */
21 #define THEY_HAVE (1u << 11)
22 #define OUR_REF (1u << 12)
23 #define WANTED (1u << 13)
24 #define COMMON_KNOWN (1u << 14)
25 #define REACHABLE (1u << 15)
27 #define SHALLOW (1u << 16)
28 #define NOT_SHALLOW (1u << 17)
29 #define CLIENT_SHALLOW (1u << 18)
30 #define HIDDEN_REF (1u << 19)
32 static unsigned long oldest_have;
34 static int multi_ack;
35 static int no_done;
36 static int use_thin_pack, use_ofs_delta, use_include_tag;
37 static int no_progress, daemon_mode;
38 static int allow_tip_sha1_in_want;
39 static int shallow_nr;
40 static struct object_array have_obj;
41 static struct object_array want_obj;
42 static struct object_array extra_edge_obj;
43 static unsigned int timeout;
44 static int keepalive = 5;
45 /* 0 for no sideband,
46 * otherwise maximum packet size (up to 65520 bytes).
48 static int use_sideband;
49 static int advertise_refs;
50 static int stateless_rpc;
52 static void reset_timeout(void)
54 alarm(timeout);
57 static ssize_t send_client_data(int fd, const char *data, ssize_t sz)
59 if (use_sideband)
60 return send_sideband(1, fd, data, sz, use_sideband);
61 if (fd == 3)
62 /* emergency quit */
63 fd = 2;
64 if (fd == 2) {
65 /* XXX: are we happy to lose stuff here? */
66 xwrite(fd, data, sz);
67 return sz;
69 write_or_die(fd, data, sz);
70 return sz;
73 static void create_pack_file(void)
75 struct child_process pack_objects;
76 char data[8193], progress[128];
77 char abort_msg[] = "aborting due to possible repository "
78 "corruption on the remote side.";
79 int buffered = -1;
80 ssize_t sz;
81 const char *argv[12];
82 int i, arg = 0;
83 FILE *pipe_fd;
84 const char *shallow_file = NULL;
86 if (shallow_nr) {
87 shallow_file = setup_temporary_shallow(NULL);
88 argv[arg++] = "--shallow-file";
89 argv[arg++] = shallow_file;
91 argv[arg++] = "pack-objects";
92 argv[arg++] = "--revs";
93 if (use_thin_pack)
94 argv[arg++] = "--thin";
96 argv[arg++] = "--stdout";
97 if (!no_progress)
98 argv[arg++] = "--progress";
99 if (use_ofs_delta)
100 argv[arg++] = "--delta-base-offset";
101 if (use_include_tag)
102 argv[arg++] = "--include-tag";
103 argv[arg++] = NULL;
105 memset(&pack_objects, 0, sizeof(pack_objects));
106 pack_objects.in = -1;
107 pack_objects.out = -1;
108 pack_objects.err = -1;
109 pack_objects.git_cmd = 1;
110 pack_objects.argv = argv;
112 if (start_command(&pack_objects))
113 die("git upload-pack: unable to fork git-pack-objects");
115 pipe_fd = xfdopen(pack_objects.in, "w");
117 for (i = 0; i < want_obj.nr; i++)
118 fprintf(pipe_fd, "%s\n",
119 sha1_to_hex(want_obj.objects[i].item->sha1));
120 fprintf(pipe_fd, "--not\n");
121 for (i = 0; i < have_obj.nr; i++)
122 fprintf(pipe_fd, "%s\n",
123 sha1_to_hex(have_obj.objects[i].item->sha1));
124 for (i = 0; i < extra_edge_obj.nr; i++)
125 fprintf(pipe_fd, "%s\n",
126 sha1_to_hex(extra_edge_obj.objects[i].item->sha1));
127 fprintf(pipe_fd, "\n");
128 fflush(pipe_fd);
129 fclose(pipe_fd);
131 /* We read from pack_objects.err to capture stderr output for
132 * progress bar, and pack_objects.out to capture the pack data.
135 while (1) {
136 struct pollfd pfd[2];
137 int pe, pu, pollsize;
138 int ret;
140 reset_timeout();
142 pollsize = 0;
143 pe = pu = -1;
145 if (0 <= pack_objects.out) {
146 pfd[pollsize].fd = pack_objects.out;
147 pfd[pollsize].events = POLLIN;
148 pu = pollsize;
149 pollsize++;
151 if (0 <= pack_objects.err) {
152 pfd[pollsize].fd = pack_objects.err;
153 pfd[pollsize].events = POLLIN;
154 pe = pollsize;
155 pollsize++;
158 if (!pollsize)
159 break;
161 ret = poll(pfd, pollsize, 1000 * keepalive);
162 if (ret < 0) {
163 if (errno != EINTR) {
164 error("poll failed, resuming: %s",
165 strerror(errno));
166 sleep(1);
168 continue;
170 if (0 <= pe && (pfd[pe].revents & (POLLIN|POLLHUP))) {
171 /* Status ready; we ship that in the side-band
172 * or dump to the standard error.
174 sz = xread(pack_objects.err, progress,
175 sizeof(progress));
176 if (0 < sz)
177 send_client_data(2, progress, sz);
178 else if (sz == 0) {
179 close(pack_objects.err);
180 pack_objects.err = -1;
182 else
183 goto fail;
184 /* give priority to status messages */
185 continue;
187 if (0 <= pu && (pfd[pu].revents & (POLLIN|POLLHUP))) {
188 /* Data ready; we keep the last byte to ourselves
189 * in case we detect broken rev-list, so that we
190 * can leave the stream corrupted. This is
191 * unfortunate -- unpack-objects would happily
192 * accept a valid packdata with trailing garbage,
193 * so appending garbage after we pass all the
194 * pack data is not good enough to signal
195 * breakage to downstream.
197 char *cp = data;
198 ssize_t outsz = 0;
199 if (0 <= buffered) {
200 *cp++ = buffered;
201 outsz++;
203 sz = xread(pack_objects.out, cp,
204 sizeof(data) - outsz);
205 if (0 < sz)
207 else if (sz == 0) {
208 close(pack_objects.out);
209 pack_objects.out = -1;
211 else
212 goto fail;
213 sz += outsz;
214 if (1 < sz) {
215 buffered = data[sz-1] & 0xFF;
216 sz--;
218 else
219 buffered = -1;
220 sz = send_client_data(1, data, sz);
221 if (sz < 0)
222 goto fail;
226 * We hit the keepalive timeout without saying anything; send
227 * an empty message on the data sideband just to let the other
228 * side know we're still working on it, but don't have any data
229 * yet.
231 * If we don't have a sideband channel, there's no room in the
232 * protocol to say anything, so those clients are just out of
233 * luck.
235 if (!ret && use_sideband) {
236 static const char buf[] = "0005\1";
237 write_or_die(1, buf, 5);
241 if (finish_command(&pack_objects)) {
242 error("git upload-pack: git-pack-objects died with error.");
243 goto fail;
246 /* flush the data */
247 if (0 <= buffered) {
248 data[0] = buffered;
249 sz = send_client_data(1, data, 1);
250 if (sz < 0)
251 goto fail;
252 fprintf(stderr, "flushed.\n");
254 if (use_sideband)
255 packet_flush(1);
256 return;
258 fail:
259 send_client_data(3, abort_msg, sizeof(abort_msg));
260 die("git upload-pack: %s", abort_msg);
263 static int got_sha1(char *hex, unsigned char *sha1)
265 struct object *o;
266 int we_knew_they_have = 0;
268 if (get_sha1_hex(hex, sha1))
269 die("git upload-pack: expected SHA1 object, got '%s'", hex);
270 if (!has_sha1_file(sha1))
271 return -1;
273 o = parse_object(sha1);
274 if (!o)
275 die("oops (%s)", sha1_to_hex(sha1));
276 if (o->type == OBJ_COMMIT) {
277 struct commit_list *parents;
278 struct commit *commit = (struct commit *)o;
279 if (o->flags & THEY_HAVE)
280 we_knew_they_have = 1;
281 else
282 o->flags |= THEY_HAVE;
283 if (!oldest_have || (commit->date < oldest_have))
284 oldest_have = commit->date;
285 for (parents = commit->parents;
286 parents;
287 parents = parents->next)
288 parents->item->object.flags |= THEY_HAVE;
290 if (!we_knew_they_have) {
291 add_object_array(o, NULL, &have_obj);
292 return 1;
294 return 0;
297 static int reachable(struct commit *want)
299 struct commit_list *work = NULL;
301 commit_list_insert_by_date(want, &work);
302 while (work) {
303 struct commit_list *list = work->next;
304 struct commit *commit = work->item;
305 free(work);
306 work = list;
308 if (commit->object.flags & THEY_HAVE) {
309 want->object.flags |= COMMON_KNOWN;
310 break;
312 if (!commit->object.parsed)
313 parse_object(commit->object.sha1);
314 if (commit->object.flags & REACHABLE)
315 continue;
316 commit->object.flags |= REACHABLE;
317 if (commit->date < oldest_have)
318 continue;
319 for (list = commit->parents; list; list = list->next) {
320 struct commit *parent = list->item;
321 if (!(parent->object.flags & REACHABLE))
322 commit_list_insert_by_date(parent, &work);
325 want->object.flags |= REACHABLE;
326 clear_commit_marks(want, REACHABLE);
327 free_commit_list(work);
328 return (want->object.flags & COMMON_KNOWN);
331 static int ok_to_give_up(void)
333 int i;
335 if (!have_obj.nr)
336 return 0;
338 for (i = 0; i < want_obj.nr; i++) {
339 struct object *want = want_obj.objects[i].item;
341 if (want->flags & COMMON_KNOWN)
342 continue;
343 want = deref_tag(want, "a want line", 0);
344 if (!want || want->type != OBJ_COMMIT) {
345 /* no way to tell if this is reachable by
346 * looking at the ancestry chain alone, so
347 * leave a note to ourselves not to worry about
348 * this object anymore.
350 want_obj.objects[i].item->flags |= COMMON_KNOWN;
351 continue;
353 if (!reachable((struct commit *)want))
354 return 0;
356 return 1;
359 static int get_common_commits(void)
361 unsigned char sha1[20];
362 char last_hex[41];
363 int got_common = 0;
364 int got_other = 0;
365 int sent_ready = 0;
367 save_commit_buffer = 0;
369 for (;;) {
370 char *line = packet_read_line(0, NULL);
371 reset_timeout();
373 if (!line) {
374 if (multi_ack == 2 && got_common
375 && !got_other && ok_to_give_up()) {
376 sent_ready = 1;
377 packet_write(1, "ACK %s ready\n", last_hex);
379 if (have_obj.nr == 0 || multi_ack)
380 packet_write(1, "NAK\n");
382 if (no_done && sent_ready) {
383 packet_write(1, "ACK %s\n", last_hex);
384 return 0;
386 if (stateless_rpc)
387 exit(0);
388 got_common = 0;
389 got_other = 0;
390 continue;
392 if (starts_with(line, "have ")) {
393 switch (got_sha1(line+5, sha1)) {
394 case -1: /* they have what we do not */
395 got_other = 1;
396 if (multi_ack && ok_to_give_up()) {
397 const char *hex = sha1_to_hex(sha1);
398 if (multi_ack == 2) {
399 sent_ready = 1;
400 packet_write(1, "ACK %s ready\n", hex);
401 } else
402 packet_write(1, "ACK %s continue\n", hex);
404 break;
405 default:
406 got_common = 1;
407 memcpy(last_hex, sha1_to_hex(sha1), 41);
408 if (multi_ack == 2)
409 packet_write(1, "ACK %s common\n", last_hex);
410 else if (multi_ack)
411 packet_write(1, "ACK %s continue\n", last_hex);
412 else if (have_obj.nr == 1)
413 packet_write(1, "ACK %s\n", last_hex);
414 break;
416 continue;
418 if (!strcmp(line, "done")) {
419 if (have_obj.nr > 0) {
420 if (multi_ack)
421 packet_write(1, "ACK %s\n", last_hex);
422 return 0;
424 packet_write(1, "NAK\n");
425 return -1;
427 die("git upload-pack: expected SHA1 list, got '%s'", line);
431 static int is_our_ref(struct object *o)
433 return o->flags &
434 ((allow_tip_sha1_in_want ? HIDDEN_REF : 0) | OUR_REF);
437 static void check_non_tip(void)
439 static const char *argv[] = {
440 "rev-list", "--stdin", NULL,
442 static struct child_process cmd;
443 struct object *o;
444 char namebuf[42]; /* ^ + SHA-1 + LF */
445 int i;
447 /* In the normal in-process case non-tip request can never happen */
448 if (!stateless_rpc)
449 goto error;
451 cmd.argv = argv;
452 cmd.git_cmd = 1;
453 cmd.no_stderr = 1;
454 cmd.in = -1;
455 cmd.out = -1;
457 if (start_command(&cmd))
458 goto error;
461 * If rev-list --stdin encounters an unknown commit, it
462 * terminates, which will cause SIGPIPE in the write loop
463 * below.
465 sigchain_push(SIGPIPE, SIG_IGN);
467 namebuf[0] = '^';
468 namebuf[41] = '\n';
469 for (i = get_max_object_index(); 0 < i; ) {
470 o = get_indexed_object(--i);
471 if (!o)
472 continue;
473 if (!is_our_ref(o))
474 continue;
475 memcpy(namebuf + 1, sha1_to_hex(o->sha1), 40);
476 if (write_in_full(cmd.in, namebuf, 42) < 0)
477 goto error;
479 namebuf[40] = '\n';
480 for (i = 0; i < want_obj.nr; i++) {
481 o = want_obj.objects[i].item;
482 if (is_our_ref(o))
483 continue;
484 memcpy(namebuf, sha1_to_hex(o->sha1), 40);
485 if (write_in_full(cmd.in, namebuf, 41) < 0)
486 goto error;
488 close(cmd.in);
490 sigchain_pop(SIGPIPE);
493 * The commits out of the rev-list are not ancestors of
494 * our ref.
496 i = read_in_full(cmd.out, namebuf, 1);
497 if (i)
498 goto error;
499 close(cmd.out);
502 * rev-list may have died by encountering a bad commit
503 * in the history, in which case we do want to bail out
504 * even when it showed no commit.
506 if (finish_command(&cmd))
507 goto error;
509 /* All the non-tip ones are ancestors of what we advertised */
510 return;
512 error:
513 /* Pick one of them (we know there at least is one) */
514 for (i = 0; i < want_obj.nr; i++) {
515 o = want_obj.objects[i].item;
516 if (!is_our_ref(o))
517 die("git upload-pack: not our ref %s",
518 sha1_to_hex(o->sha1));
522 static void receive_needs(void)
524 struct object_array shallows = OBJECT_ARRAY_INIT;
525 int depth = 0;
526 int has_non_tip = 0;
528 shallow_nr = 0;
529 for (;;) {
530 struct object *o;
531 const char *features;
532 unsigned char sha1_buf[20];
533 char *line = packet_read_line(0, NULL);
534 reset_timeout();
535 if (!line)
536 break;
538 if (starts_with(line, "shallow ")) {
539 unsigned char sha1[20];
540 struct object *object;
541 if (get_sha1_hex(line + 8, sha1))
542 die("invalid shallow line: %s", line);
543 object = parse_object(sha1);
544 if (!object)
545 continue;
546 if (object->type != OBJ_COMMIT)
547 die("invalid shallow object %s", sha1_to_hex(sha1));
548 if (!(object->flags & CLIENT_SHALLOW)) {
549 object->flags |= CLIENT_SHALLOW;
550 add_object_array(object, NULL, &shallows);
552 continue;
554 if (starts_with(line, "deepen ")) {
555 char *end;
556 depth = strtol(line + 7, &end, 0);
557 if (end == line + 7 || depth <= 0)
558 die("Invalid deepen: %s", line);
559 continue;
561 if (!starts_with(line, "want ") ||
562 get_sha1_hex(line+5, sha1_buf))
563 die("git upload-pack: protocol error, "
564 "expected to get sha, not '%s'", line);
566 features = line + 45;
568 if (parse_feature_request(features, "multi_ack_detailed"))
569 multi_ack = 2;
570 else if (parse_feature_request(features, "multi_ack"))
571 multi_ack = 1;
572 if (parse_feature_request(features, "no-done"))
573 no_done = 1;
574 if (parse_feature_request(features, "thin-pack"))
575 use_thin_pack = 1;
576 if (parse_feature_request(features, "ofs-delta"))
577 use_ofs_delta = 1;
578 if (parse_feature_request(features, "side-band-64k"))
579 use_sideband = LARGE_PACKET_MAX;
580 else if (parse_feature_request(features, "side-band"))
581 use_sideband = DEFAULT_PACKET_MAX;
582 if (parse_feature_request(features, "no-progress"))
583 no_progress = 1;
584 if (parse_feature_request(features, "include-tag"))
585 use_include_tag = 1;
587 o = parse_object(sha1_buf);
588 if (!o)
589 die("git upload-pack: not our ref %s",
590 sha1_to_hex(sha1_buf));
591 if (!(o->flags & WANTED)) {
592 o->flags |= WANTED;
593 if (!is_our_ref(o))
594 has_non_tip = 1;
595 add_object_array(o, NULL, &want_obj);
600 * We have sent all our refs already, and the other end
601 * should have chosen out of them. When we are operating
602 * in the stateless RPC mode, however, their choice may
603 * have been based on the set of older refs advertised
604 * by another process that handled the initial request.
606 if (has_non_tip)
607 check_non_tip();
609 if (!use_sideband && daemon_mode)
610 no_progress = 1;
612 if (depth == 0 && shallows.nr == 0)
613 return;
614 if (depth > 0) {
615 struct commit_list *result = NULL, *backup = NULL;
616 int i;
617 if (depth == INFINITE_DEPTH && !is_repository_shallow())
618 for (i = 0; i < shallows.nr; i++) {
619 struct object *object = shallows.objects[i].item;
620 object->flags |= NOT_SHALLOW;
622 else
623 backup = result =
624 get_shallow_commits(&want_obj, depth,
625 SHALLOW, NOT_SHALLOW);
626 while (result) {
627 struct object *object = &result->item->object;
628 if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) {
629 packet_write(1, "shallow %s",
630 sha1_to_hex(object->sha1));
631 register_shallow(object->sha1);
632 shallow_nr++;
634 result = result->next;
636 free_commit_list(backup);
637 for (i = 0; i < shallows.nr; i++) {
638 struct object *object = shallows.objects[i].item;
639 if (object->flags & NOT_SHALLOW) {
640 struct commit_list *parents;
641 packet_write(1, "unshallow %s",
642 sha1_to_hex(object->sha1));
643 object->flags &= ~CLIENT_SHALLOW;
644 /* make sure the real parents are parsed */
645 unregister_shallow(object->sha1);
646 object->parsed = 0;
647 parse_commit_or_die((struct commit *)object);
648 parents = ((struct commit *)object)->parents;
649 while (parents) {
650 add_object_array(&parents->item->object,
651 NULL, &want_obj);
652 parents = parents->next;
654 add_object_array(object, NULL, &extra_edge_obj);
656 /* make sure commit traversal conforms to client */
657 register_shallow(object->sha1);
659 packet_flush(1);
660 } else
661 if (shallows.nr > 0) {
662 int i;
663 for (i = 0; i < shallows.nr; i++)
664 register_shallow(shallows.objects[i].item->sha1);
667 shallow_nr += shallows.nr;
668 free(shallows.objects);
671 /* return non-zero if the ref is hidden, otherwise 0 */
672 static int mark_our_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
674 struct object *o = lookup_unknown_object(sha1);
676 if (ref_is_hidden(refname)) {
677 o->flags |= HIDDEN_REF;
678 return 1;
680 if (!o)
681 die("git upload-pack: cannot find object %s:", sha1_to_hex(sha1));
682 o->flags |= OUR_REF;
683 return 0;
686 static void format_symref_info(struct strbuf *buf, struct string_list *symref)
688 struct string_list_item *item;
690 if (!symref->nr)
691 return;
692 for_each_string_list_item(item, symref)
693 strbuf_addf(buf, " symref=%s:%s", item->string, (char *)item->util);
696 static int send_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
698 static const char *capabilities = "multi_ack thin-pack side-band"
699 " side-band-64k ofs-delta shallow no-progress"
700 " include-tag multi_ack_detailed";
701 const char *refname_nons = strip_namespace(refname);
702 unsigned char peeled[20];
704 if (mark_our_ref(refname, sha1, flag, NULL))
705 return 0;
707 if (capabilities) {
708 struct strbuf symref_info = STRBUF_INIT;
710 format_symref_info(&symref_info, cb_data);
711 packet_write(1, "%s %s%c%s%s%s%s agent=%s\n",
712 sha1_to_hex(sha1), refname_nons,
713 0, capabilities,
714 allow_tip_sha1_in_want ? " allow-tip-sha1-in-want" : "",
715 stateless_rpc ? " no-done" : "",
716 symref_info.buf,
717 git_user_agent_sanitized());
718 strbuf_release(&symref_info);
719 } else {
720 packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname_nons);
722 capabilities = NULL;
723 if (!peel_ref(refname, peeled))
724 packet_write(1, "%s %s^{}\n", sha1_to_hex(peeled), refname_nons);
725 return 0;
728 static int find_symref(const char *refname, const unsigned char *sha1, int flag,
729 void *cb_data)
731 const char *symref_target;
732 struct string_list_item *item;
733 unsigned char unused[20];
735 if ((flag & REF_ISSYMREF) == 0)
736 return 0;
737 symref_target = resolve_ref_unsafe(refname, unused, 0, &flag);
738 if (!symref_target || (flag & REF_ISSYMREF) == 0)
739 die("'%s' is a symref but it is not?", refname);
740 item = string_list_append(cb_data, refname);
741 item->util = xstrdup(symref_target);
742 return 0;
745 static void upload_pack(void)
747 struct string_list symref = STRING_LIST_INIT_DUP;
749 head_ref_namespaced(find_symref, &symref);
751 if (advertise_refs || !stateless_rpc) {
752 reset_timeout();
753 head_ref_namespaced(send_ref, &symref);
754 for_each_namespaced_ref(send_ref, &symref);
755 advertise_shallow_grafts(1);
756 packet_flush(1);
757 } else {
758 head_ref_namespaced(mark_our_ref, NULL);
759 for_each_namespaced_ref(mark_our_ref, NULL);
761 string_list_clear(&symref, 1);
762 if (advertise_refs)
763 return;
765 receive_needs();
766 if (want_obj.nr) {
767 get_common_commits();
768 create_pack_file();
772 static int upload_pack_config(const char *var, const char *value, void *unused)
774 if (!strcmp("uploadpack.allowtipsha1inwant", var))
775 allow_tip_sha1_in_want = git_config_bool(var, value);
776 else if (!strcmp("uploadpack.keepalive", var)) {
777 keepalive = git_config_int(var, value);
778 if (!keepalive)
779 keepalive = -1;
781 return parse_hide_refs_config(var, value, "uploadpack");
784 int main(int argc, char **argv)
786 char *dir;
787 int i;
788 int strict = 0;
790 git_setup_gettext();
792 packet_trace_identity("upload-pack");
793 git_extract_argv0_path(argv[0]);
794 read_replace_refs = 0;
796 for (i = 1; i < argc; i++) {
797 char *arg = argv[i];
799 if (arg[0] != '-')
800 break;
801 if (!strcmp(arg, "--advertise-refs")) {
802 advertise_refs = 1;
803 continue;
805 if (!strcmp(arg, "--stateless-rpc")) {
806 stateless_rpc = 1;
807 continue;
809 if (!strcmp(arg, "--strict")) {
810 strict = 1;
811 continue;
813 if (starts_with(arg, "--timeout=")) {
814 timeout = atoi(arg+10);
815 daemon_mode = 1;
816 continue;
818 if (!strcmp(arg, "--")) {
819 i++;
820 break;
824 if (i != argc-1)
825 usage(upload_pack_usage);
827 setup_path();
829 dir = argv[i];
831 if (!enter_repo(dir, strict))
832 die("'%s' does not appear to be a git repository", dir);
834 git_config(upload_pack_config, NULL);
835 upload_pack();
836 return 0;