[thirdparty/git.git] / send-pack.c

#include "cache.h"
#include "commit.h"
#include "tag.h"
#include "refs.h"
#include "pkt-line.h"
#include "exec_cmd.h"

static const char send_pack_usage[] =
"git-send-pack [--all] [--exec=git-receive-pack] <remote> [<head>...]\n"
"  --all and explicit <head> specification are mutually exclusive.";
static const char *exec = "git-receive-pack";
static int verbose = 0;
static int send_all = 0;
static int force_update = 0;

static int is_zero_sha1(const unsigned char *sha1)
{
	int i;

	for (i = 0; i < 20; i++) {
		if (*sha1++)
			return 0;
	}
	return 1;
}

static void exec_pack_objects(void)
{
	static char *args[] = {
		"pack-objects",
		"--stdout",
		NULL
	};
	execv_git_cmd(args);
	die("git-pack-objects exec failed (%s)", strerror(errno));
}

static void exec_rev_list(struct ref *refs)
{
	static char *args[1000];
	int i = 0;

	args[i++] = "rev-list";	/* 0 */
	args[i++] = "--objects";	/* 1 */
	while (refs) {
		char *buf = malloc(100);
		if (i > 900)
			die("git-rev-list environment overflow");
		if (!is_zero_sha1(refs->old_sha1) &&
		    has_sha1_file(refs->old_sha1)) {
			args[i++] = buf;
			snprintf(buf, 50, "^%s", sha1_to_hex(refs->old_sha1));
			buf += 50;
		}
		if (!is_zero_sha1(refs->new_sha1)) {
			args[i++] = buf;
			snprintf(buf, 50, "%s", sha1_to_hex(refs->new_sha1));
		}
		refs = refs->next;
	}
	args[i] = NULL;
	execv_git_cmd(args);
	die("git-rev-list exec failed (%s)", strerror(errno));
}

static void rev_list(int fd, struct ref *refs)
{
	int pipe_fd[2];
	pid_t pack_objects_pid;

	if (pipe(pipe_fd) < 0)
		die("rev-list setup: pipe failed");
	pack_objects_pid = fork();
	if (!pack_objects_pid) {
		dup2(pipe_fd[0], 0);
		dup2(fd, 1);
		close(pipe_fd[0]);
		close(pipe_fd[1]);
		close(fd);
		exec_pack_objects();
		die("pack-objects setup failed");
	}
	if (pack_objects_pid < 0)
		die("pack-objects fork failed");
	dup2(pipe_fd[1], 1);
	close(pipe_fd[0]);
	close(pipe_fd[1]);
	close(fd);
	exec_rev_list(refs);
}

static int pack_objects(int fd, struct ref *refs)
{
	pid_t rev_list_pid;

	rev_list_pid = fork();
	if (!rev_list_pid) {
		rev_list(fd, refs);
		die("rev-list setup failed");
	}
	if (rev_list_pid < 0)
		die("rev-list fork failed");
	/*
	 * We don't wait for the rev-list pipeline in the parent:
	 * we end up waiting for the other end instead
	 */
	return 0;
}

static void unmark_and_free(struct commit_list *list, unsigned int mark)
{
	while (list) {
		struct commit_list *temp = list;
		temp->item->object.flags &= ~mark;
		list = temp->next;
		free(temp);
	}
}

static int ref_newer(const unsigned char *new_sha1,
		     const unsigned char *old_sha1)
{
	struct object *o;
	struct commit *old, *new;
	struct commit_list *list, *used;
	int found = 0;

	/* Both new and old must be commit-ish and new is descendant of
	 * old.  Otherwise we require --force.
	 */
	o = deref_tag(parse_object(old_sha1), NULL, 0);
	if (!o || o->type != commit_type)
		return 0;
	old = (struct commit *) o;

	o = deref_tag(parse_object(new_sha1), NULL, 0);
	if (!o || o->type != commit_type)
		return 0;
	new = (struct commit *) o;

	if (parse_commit(new) < 0)
		return 0;

	used = list = NULL;
	commit_list_insert(new, &list);
	while (list) {
		new = pop_most_recent_commit(&list, 1);
		commit_list_insert(new, &used);
		if (new == old) {
			found = 1;
			break;
		}
	}
	unmark_and_free(list, 1);
	unmark_and_free(used, 1);
	return found;
}

static struct ref *local_refs, **local_tail;
static struct ref *remote_refs, **remote_tail;

static int one_local_ref(const char *refname, const unsigned char *sha1)
{
	struct ref *ref;
	int len = strlen(refname) + 1;
	ref = xcalloc(1, sizeof(*ref) + len);
	memcpy(ref->new_sha1, sha1, 20);
	memcpy(ref->name, refname, len);
	*local_tail = ref;
	local_tail = &ref->next;
	return 0;
}

static void get_local_heads(void)
{
	local_tail = &local_refs;
	for_each_ref(one_local_ref);
}

static int receive_status(int in)
{
	char line[1000];
	int ret = 0;
	int len = packet_read_line(in, line, sizeof(line));
	if (len < 10 || memcmp(line, "unpack ", 7)) {
		fprintf(stderr, "did not receive status back\n");
		return -1;
	}
	if (memcmp(line, "unpack ok\n", 10)) {
		fputs(line, stderr);
		ret = -1;
	}
	while (1) {
		len = packet_read_line(in, line, sizeof(line));
		if (!len)
			break;
		if (len < 3 ||
		    (memcmp(line, "ok", 2) && memcmp(line, "ng", 2))) {
			fprintf(stderr, "protocol error: %s\n", line);
			ret = -1;
			break;
		}
		if (!memcmp(line, "ok", 2))
			continue;
		fputs(line, stderr);
		ret = -1;
	}
	return ret;
}

static int send_pack(int in, int out, int nr_refspec, char **refspec)
{
	struct ref *ref;
	int new_refs;
	int ret = 0;
	int ask_for_status_report = 0;
	int expect_status_report = 0;

	/* No funny business with the matcher */
	remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, 1);
	get_local_heads();

	/* Does the other end support the reporting? */
	if (server_supports("report-status"))
		ask_for_status_report = 1;

	/* match them up */
	if (!remote_tail)
		remote_tail = &remote_refs;
	if (match_refs(local_refs, remote_refs, &remote_tail,
		       nr_refspec, refspec, send_all))
		return -1;

	if (!remote_refs) {
		fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
		return 0;
	}

	/*
	 * Finally, tell the other end!
	 */
	new_refs = 0;
	for (ref = remote_refs; ref; ref = ref->next) {
		char old_hex[60], *new_hex;
		if (!ref->peer_ref)
			continue;
		if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) {
			if (verbose)
				fprintf(stderr, "'%s': up-to-date\n", ref->name);
			continue;
		}

		/* This part determines what can overwrite what.
		 * The rules are:
		 *
		 * (0) you can always use --force or +A:B notation to
		 *     selectively force individual ref pairs.
		 *
		 * (1) if the old thing does not exist, it is OK.
		 *
		 * (2) if you do not have the old thing, you are not allowed
		 *     to overwrite it; you would not know what you are losing
		 *     otherwise.
		 *
		 * (3) if both new and old are commit-ish, and new is a
		 *     descendant of old, it is OK.
		 */

		if (!force_update &&
		    !is_zero_sha1(ref->old_sha1) &&
		    !ref->force) {
			if (!has_sha1_file(ref->old_sha1) ||
			    !ref_newer(ref->peer_ref->new_sha1,
				       ref->old_sha1)) {
				/* We do not have the remote ref, or
				 * we know that the remote ref is not
				 * an ancestor of what we are trying to
				 * push.  Either way this can be losing
				 * commits at the remote end and likely
				 * we were not up to date to begin with.
				 */
				error("remote '%s' is not a strict "
				      "subset of local ref '%s'. "
				      "maybe you are not up-to-date and "
				      "need to pull first?",
				      ref->name,
				      ref->peer_ref->name);
				ret = -2;
				continue;
			}
		}
		memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20);
		if (is_zero_sha1(ref->new_sha1)) {
			error("cannot happen anymore");
			ret = -3;
			continue;
		}
		new_refs++;
		strcpy(old_hex, sha1_to_hex(ref->old_sha1));
		new_hex = sha1_to_hex(ref->new_sha1);

		if (ask_for_status_report) {
			packet_write(out, "%s %s %s%c%s",
				     old_hex, new_hex, ref->name, 0,
				     "report-status");
			ask_for_status_report = 0;
			expect_status_report = 1;
		}
		else
			packet_write(out, "%s %s %s",
				     old_hex, new_hex, ref->name);
		fprintf(stderr, "updating '%s'", ref->name);
		if (strcmp(ref->name, ref->peer_ref->name))
			fprintf(stderr, " using '%s'", ref->peer_ref->name);
		fprintf(stderr, "\n  from %s\n  to   %s\n", old_hex, new_hex);
	}

	packet_flush(out);
	if (new_refs)
		pack_objects(out, remote_refs);
	close(out);

	if (expect_status_report) {
		if (receive_status(in))
			ret = -4;
	}

	if (!new_refs && ret == 0)
		fprintf(stderr, "Everything up-to-date\n");
	return ret;
}


int main(int argc, char **argv)
{
	int i, nr_heads = 0;
	char *dest = NULL;
	char **heads = NULL;
	int fd[2], ret;
	pid_t pid;

	setup_git_directory();
	argv++;
	for (i = 1; i < argc; i++, argv++) {
		char *arg = *argv;

		if (*arg == '-') {
			if (!strncmp(arg, "--exec=", 7)) {
				exec = arg + 7;
				continue;
			}
			if (!strcmp(arg, "--all")) {
				send_all = 1;
				continue;
			}
			if (!strcmp(arg, "--force")) {
				force_update = 1;
				continue;
			}
			if (!strcmp(arg, "--verbose")) {
				verbose = 1;
				continue;
			}
			usage(send_pack_usage);
		}
		if (!dest) {
			dest = arg;
			continue;
		}
		heads = argv;
		nr_heads = argc - i;
		break;
	}
	if (!dest)
		usage(send_pack_usage);
	if (heads && send_all)
		usage(send_pack_usage);
	pid = git_connect(fd, dest, exec);
	if (pid < 0)
		return 1;
	ret = send_pack(fd[0], fd[1], nr_heads, heads);
	close(fd[0]);
	close(fd[1]);
	finish_connect(pid);
	return ret;
}
Commit	Line	Data
61221472	1	#include "cache.h"
2a9c3fe8	2	#include "commit.h"
37fde874	3	#include "tag.h"
584c6cc9	4	#include "refs.h"
f3a3214e	5	#include "pkt-line.h"
77cb17e9	6	#include "exec_cmd.h"
61221472	7
2a245013	8	static const char send_pack_usage[] =
0bc3cdfc JH	9	"git-send-pack [--all] [--exec=git-receive-pack] <remote> [<head>...]\n"
0bc3cdfc JH	10	" --all and explicit <head> specification are mutually exclusive.";
61221472	11	static const char *exec = "git-receive-pack";
41f93a2c	12	static int verbose = 0;
d089391c	13	static int send_all = 0;
2a9c3fe8	14	static int force_update = 0;
61221472	15
584c6cc9 LT	16	static int is_zero_sha1(const unsigned char *sha1)
	17	{
	18	int i;
	19
	20	for (i = 0; i < 20; i++) {
	21	if (*sha1++)
	22	return 0;
	23	}
	24	return 1;
	25	}
	26
94fdb7aa LT	27	static void exec_pack_objects(void)
	28	{
	29	static char *args[] = {
77cb17e9	30	"pack-objects",
94fdb7aa LT	31	"--stdout",
	32	NULL
	33	};
77cb17e9	34	execv_git_cmd(args);
94fdb7aa LT	35	die("git-pack-objects exec failed (%s)", strerror(errno));
	36	}
	37
	38	static void exec_rev_list(struct ref *refs)
	39	{
	40	static char *args[1000];
	41	int i = 0;
	42
77cb17e9	43	args[i++] = "rev-list"; /* 0 */
94fdb7aa LT	44	args[i++] = "--objects"; /* 1 */
	45	while (refs) {
	46	char *buf = malloc(100);
	47	if (i > 900)
	48	die("git-rev-list environment overflow");
40b64d47 JH	49	if (!is_zero_sha1(refs->old_sha1) &&
40b64d47 JH	50	has_sha1_file(refs->old_sha1)) {
584c6cc9 LT	51	args[i++] = buf;
	52	snprintf(buf, 50, "^%s", sha1_to_hex(refs->old_sha1));
	53	buf += 50;
	54	}
	55	if (!is_zero_sha1(refs->new_sha1)) {
	56	args[i++] = buf;
	57	snprintf(buf, 50, "%s", sha1_to_hex(refs->new_sha1));
	58	}
94fdb7aa LT	59	refs = refs->next;
	60	}
	61	args[i] = NULL;
77cb17e9	62	execv_git_cmd(args);
94fdb7aa LT	63	die("git-rev-list exec failed (%s)", strerror(errno));
	64	}
	65
	66	static void rev_list(int fd, struct ref *refs)
	67	{
	68	int pipe_fd[2];
	69	pid_t pack_objects_pid;
	70
	71	if (pipe(pipe_fd) < 0)
	72	die("rev-list setup: pipe failed");
	73	pack_objects_pid = fork();
	74	if (!pack_objects_pid) {
	75	dup2(pipe_fd[0], 0);
	76	dup2(fd, 1);
	77	close(pipe_fd[0]);
	78	close(pipe_fd[1]);
	79	close(fd);
	80	exec_pack_objects();
	81	die("pack-objects setup failed");
	82	}
	83	if (pack_objects_pid < 0)
	84	die("pack-objects fork failed");
	85	dup2(pipe_fd[1], 1);
	86	close(pipe_fd[0]);
	87	close(pipe_fd[1]);
	88	close(fd);
	89	exec_rev_list(refs);
	90	}
	91
	92	static int pack_objects(int fd, struct ref *refs)
	93	{
	94	pid_t rev_list_pid;
	95
	96	rev_list_pid = fork();
	97	if (!rev_list_pid) {
	98	rev_list(fd, refs);
	99	die("rev-list setup failed");
	100	}
	101	if (rev_list_pid < 0)
	102	die("rev-list fork failed");
	103	/*
	104	* We don't wait for the rev-list pipeline in the parent:
	105	* we end up waiting for the other end instead
	106	*/
7ec4e608	107	return 0;
94fdb7aa	108	}
e4b5c7ff	109
51b0fca0 JH	110	static void unmark_and_free(struct commit_list *list, unsigned int mark)
	111	{
	112	while (list) {
	113	struct commit_list *temp = list;
	114	temp->item->object.flags &= ~mark;
	115	list = temp->next;
	116	free(temp);
	117	}
	118	}
	119
37fde874 JH	120	static int ref_newer(const unsigned char *new_sha1,
37fde874 JH	121	const unsigned char *old_sha1)
584c6cc9	122	{
37fde874 JH	123	struct object *o;
37fde874 JH	124	struct commit old, new;
51b0fca0 JH	125	struct commit_list list, used;
51b0fca0 JH	126	int found = 0;
2a9c3fe8	127
37fde874 JH	128	/* Both new and old must be commit-ish and new is descendant of
	129	* old. Otherwise we require --force.
	130	*/
9534f40b	131	o = deref_tag(parse_object(old_sha1), NULL, 0);
37fde874	132	if (!o \|\| o->type != commit_type)
584c6cc9	133	return 0;
37fde874 JH	134	old = (struct commit *) o;
37fde874 JH	135
9534f40b	136	o = deref_tag(parse_object(new_sha1), NULL, 0);
37fde874	137	if (!o \|\| o->type != commit_type)
2a9c3fe8	138	return 0;
37fde874 JH	139	new = (struct commit *) o;
37fde874 JH	140
2a9c3fe8 LT	141	if (parse_commit(new) < 0)
2a9c3fe8 LT	142	return 0;
51b0fca0 JH	143
51b0fca0 JH	144	used = list = NULL;
2a9c3fe8	145	commit_list_insert(new, &list);
bdf25142 LT	146	while (list) {
bdf25142 LT	147	new = pop_most_recent_commit(&list, 1);
51b0fca0 JH	148	commit_list_insert(new, &used);
	149	if (new == old) {
	150	found = 1;
	151	break;
	152	}
2a9c3fe8	153	}
51b0fca0 JH	154	unmark_and_free(list, 1);
	155	unmark_and_free(used, 1);
	156	return found;
584c6cc9 LT	157	}
584c6cc9 LT	158
f88395ac JH	159	static struct ref local_refs, *local_tail;
f88395ac JH	160	static struct ref remote_refs, *remote_tail;
584c6cc9	161
f88395ac	162	static int one_local_ref(const char refname, const unsigned char sha1)
584c6cc9 LT	163	{
584c6cc9 LT	164	struct ref *ref;
f88395ac JH	165	int len = strlen(refname) + 1;
f88395ac JH	166	ref = xcalloc(1, sizeof(*ref) + len);
584c6cc9 LT	167	memcpy(ref->new_sha1, sha1, 20);
584c6cc9 LT	168	memcpy(ref->name, refname, len);
f88395ac JH	169	*local_tail = ref;
f88395ac JH	170	local_tail = &ref->next;
584c6cc9 LT	171	return 0;
	172	}
	173
f88395ac JH	174	static void get_local_heads(void)
	175	{
	176	local_tail = &local_refs;
	177	for_each_ref(one_local_ref);
	178	}
	179
cfee10a7 JH	180	static int receive_status(int in)
	181	{
	182	char line[1000];
	183	int ret = 0;
	184	int len = packet_read_line(in, line, sizeof(line));
	185	if (len < 10 \|\| memcmp(line, "unpack ", 7)) {
	186	fprintf(stderr, "did not receive status back\n");
	187	return -1;
	188	}
	189	if (memcmp(line, "unpack ok\n", 10)) {
	190	fputs(line, stderr);
	191	ret = -1;
	192	}
	193	while (1) {
	194	len = packet_read_line(in, line, sizeof(line));
	195	if (!len)
	196	break;
	197	if (len < 3 \|\|
	198	(memcmp(line, "ok", 2) && memcmp(line, "ng", 2))) {
	199	fprintf(stderr, "protocol error: %s\n", line);
	200	ret = -1;
	201	break;
	202	}
	203	if (!memcmp(line, "ok", 2))
	204	continue;
	205	fputs(line, stderr);
	206	ret = -1;
	207	}
	208	return ret;
	209	}
	210
f88395ac	211	static int send_pack(int in, int out, int nr_refspec, char **refspec)
61221472	212	{
7f8e9828	213	struct ref *ref;
584c6cc9	214	int new_refs;
ed24928e	215	int ret = 0;
cfee10a7 JH	216	int ask_for_status_report = 0;
cfee10a7 JH	217	int expect_status_report = 0;
7f8e9828	218
f88395ac	219	/* No funny business with the matcher */
1a7141ff	220	remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, 1);
f88395ac	221	get_local_heads();
584c6cc9	222
cfee10a7 JH	223	/* Does the other end support the reporting? */
	224	if (server_supports("report-status"))
	225	ask_for_status_report = 1;
	226
f88395ac JH	227	/* match them up */
	228	if (!remote_tail)
	229	remote_tail = &remote_refs;
	230	if (match_refs(local_refs, remote_refs, &remote_tail,
	231	nr_refspec, refspec, send_all))
	232	return -1;
4c353e89 DB	233
	234	if (!remote_refs) {
	235	fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
	236	return 0;
	237	}
	238
584c6cc9	239	/*
f88395ac	240	* Finally, tell the other end!
584c6cc9	241	*/
f88395ac JH	242	new_refs = 0;
	243	for (ref = remote_refs; ref; ref = ref->next) {
	244	char old_hex[60], *new_hex;
	245	if (!ref->peer_ref)
7f8e9828	246	continue;
37fde874	247	if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) {
41f93a2c LT	248	if (verbose)
41f93a2c LT	249	fprintf(stderr, "'%s': up-to-date\n", ref->name);
37fde874 JH	250	continue;
	251	}
	252
	253	/* This part determines what can overwrite what.
	254	* The rules are:
	255	*
ff27adf3 JH	256	* (0) you can always use --force or +A:B notation to
ff27adf3 JH	257	* selectively force individual ref pairs.
37fde874 JH	258	*
	259	* (1) if the old thing does not exist, it is OK.
	260	*
	261	* (2) if you do not have the old thing, you are not allowed
	262	* to overwrite it; you would not know what you are losing
	263	* otherwise.
	264	*
	265	* (3) if both new and old are commit-ish, and new is a
	266	* descendant of old, it is OK.
	267	*/
	268
ff27adf3 JH	269	if (!force_update &&
	270	!is_zero_sha1(ref->old_sha1) &&
	271	!ref->force) {
69310a34 JH	272	if (!has_sha1_file(ref->old_sha1) \|\|
69310a34 JH	273	!ref_newer(ref->peer_ref->new_sha1,
f88395ac	274	ref->old_sha1)) {
69310a34 JH	275	/* We do not have the remote ref, or
	276	* we know that the remote ref is not
	277	* an ancestor of what we are trying to
	278	* push. Either way this can be losing
	279	* commits at the remote end and likely
	280	* we were not up to date to begin with.
	281	*/
	282	error("remote '%s' is not a strict "
	283	"subset of local ref '%s'. "
	284	"maybe you are not up-to-date and "
	285	"need to pull first?",
	286	ref->name,
f88395ac	287	ref->peer_ref->name);
ed24928e	288	ret = -2;
f88395ac JH	289	continue;
f88395ac JH	290	}
e4b5c7ff	291	}
f88395ac JH	292	memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20);
	293	if (is_zero_sha1(ref->new_sha1)) {
	294	error("cannot happen anymore");
ed24928e	295	ret = -3;
584c6cc9 LT	296	continue;
584c6cc9 LT	297	}
584c6cc9	298	new_refs++;
7f8e9828 LT	299	strcpy(old_hex, sha1_to_hex(ref->old_sha1));
7f8e9828 LT	300	new_hex = sha1_to_hex(ref->new_sha1);
cfee10a7 JH	301
	302	if (ask_for_status_report) {
	303	packet_write(out, "%s %s %s%c%s",
	304	old_hex, new_hex, ref->name, 0,
	305	"report-status");
	306	ask_for_status_report = 0;
	307	expect_status_report = 1;
	308	}
	309	else
	310	packet_write(out, "%s %s %s",
	311	old_hex, new_hex, ref->name);
f88395ac JH	312	fprintf(stderr, "updating '%s'", ref->name);
	313	if (strcmp(ref->name, ref->peer_ref->name))
	314	fprintf(stderr, " using '%s'", ref->peer_ref->name);
	315	fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex);
61221472	316	}
f88395ac	317
f3a3214e	318	packet_flush(out);
584c6cc9	319	if (new_refs)
f88395ac	320	pack_objects(out, remote_refs);
61221472	321	close(out);
cfee10a7 JH	322
	323	if (expect_status_report) {
	324	if (receive_status(in))
	325	ret = -4;
	326	}
	327
	328	if (!new_refs && ret == 0)
	329	fprintf(stderr, "Everything up-to-date\n");
ed24928e	330	return ret;
61221472 LT	331	}
61221472 LT	332
f88395ac	333
61221472 LT	334	int main(int argc, char **argv)
	335	{
	336	int i, nr_heads = 0;
	337	char *dest = NULL;
	338	char **heads = NULL;
7f8e9828 LT	339	int fd[2], ret;
7f8e9828 LT	340	pid_t pid;
61221472	341
5a327713	342	setup_git_directory();
61221472	343	argv++;
d089391c LT	344	for (i = 1; i < argc; i++, argv++) {
d089391c LT	345	char arg = argv;
61221472 LT	346
	347	if (*arg == '-') {
	348	if (!strncmp(arg, "--exec=", 7)) {
	349	exec = arg + 7;
	350	continue;
	351	}
d089391c LT	352	if (!strcmp(arg, "--all")) {
	353	send_all = 1;
	354	continue;
	355	}
2a9c3fe8 LT	356	if (!strcmp(arg, "--force")) {
	357	force_update = 1;
	358	continue;
	359	}
41f93a2c LT	360	if (!strcmp(arg, "--verbose")) {
	361	verbose = 1;
	362	continue;
	363	}
61221472 LT	364	usage(send_pack_usage);
61221472 LT	365	}
d089391c LT	366	if (!dest) {
	367	dest = arg;
	368	continue;
	369	}
61221472	370	heads = argv;
d089391c	371	nr_heads = argc - i;
61221472 LT	372	break;
	373	}
	374	if (!dest)
	375	usage(send_pack_usage);
0bc3cdfc JH	376	if (heads && send_all)
0bc3cdfc JH	377	usage(send_pack_usage);
f7192598	378	pid = git_connect(fd, dest, exec);
7f8e9828	379	if (pid < 0)
61221472	380	return 1;
d0efc8a7	381	ret = send_pack(fd[0], fd[1], nr_heads, heads);
7f8e9828 LT	382	close(fd[0]);
7f8e9828 LT	383	close(fd[1]);
f7192598	384	finish_connect(pid);
7f8e9828	385	return ret;
61221472	386	}