[thirdparty/git.git] / builtin / push.c

/*
 * "git push"
 */
#include "cache.h"
#include "refs.h"
#include "run-command.h"
#include "builtin.h"
#include "remote.h"
#include "transport.h"
#include "parse-options.h"

static const char * const push_usage[] = {
	"git push [<options>] [<repository> [<refspec>...]]",
	NULL,
};

static int thin;
static int deleterefs;
static const char *receivepack;
static int verbosity;
static int progress;

static const char **refspec;
static int refspec_nr;
static int refspec_alloc;

static void add_refspec(const char *ref)
{
	refspec_nr++;
	ALLOC_GROW(refspec, refspec_nr, refspec_alloc);
	refspec[refspec_nr-1] = ref;
}

static void set_refspecs(const char **refs, int nr)
{
	int i;
	for (i = 0; i < nr; i++) {
		const char *ref = refs[i];
		if (!strcmp("tag", ref)) {
			char *tag;
			int len;
			if (nr <= ++i)
				die("tag shorthand without <tag>");
			len = strlen(refs[i]) + 11;
			if (deleterefs) {
				tag = xmalloc(len+1);
				strcpy(tag, ":refs/tags/");
			} else {
				tag = xmalloc(len);
				strcpy(tag, "refs/tags/");
			}
			strcat(tag, refs[i]);
			ref = tag;
		} else if (deleterefs && !strchr(ref, ':')) {
			char *delref;
			int len = strlen(ref)+1;
			delref = xmalloc(len+1);
			strcpy(delref, ":");
			strcat(delref, ref);
			ref = delref;
		} else if (deleterefs)
			die("--delete only accepts plain target ref names");
		add_refspec(ref);
	}
}

static void setup_push_upstream(void)
{
	struct strbuf refspec = STRBUF_INIT;
	struct branch *branch = branch_get(NULL);
	if (!branch)
		die("You are not currently on a branch.");
	if (!branch->merge_nr || !branch->merge)
		die("The current branch %s has no upstream branch.",
		    branch->name);
	if (branch->merge_nr != 1)
		die("The current branch %s has multiple upstream branches, "
		    "refusing to push.", branch->name);
	strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
	add_refspec(refspec.buf);
}

static void setup_default_push_refspecs(void)
{
	switch (push_default) {
	default:
	case PUSH_DEFAULT_MATCHING:
		add_refspec(":");
		break;

	case PUSH_DEFAULT_UPSTREAM:
		setup_push_upstream();
		break;

	case PUSH_DEFAULT_CURRENT:
		add_refspec("HEAD");
		break;

	case PUSH_DEFAULT_NOTHING:
		die("You didn't specify any refspecs to push, and "
		    "push.default is \"nothing\".");
		break;
	}
}

static int push_with_options(struct transport *transport, int flags)
{
	int err;
	int nonfastforward;

	transport_set_verbosity(transport, verbosity, progress);

	if (receivepack)
		transport_set_option(transport,
				     TRANS_OPT_RECEIVEPACK, receivepack);
	if (thin)
		transport_set_option(transport, TRANS_OPT_THIN, "yes");

	if (verbosity > 0)
		fprintf(stderr, "Pushing to %s\n", transport->url);
	err = transport_push(transport, refspec_nr, refspec, flags,
			     &nonfastforward);
	if (err != 0)
		error("failed to push some refs to '%s'", transport->url);

	err |= transport_disconnect(transport);

	if (!err)
		return 0;

	if (nonfastforward && advice_push_nonfastforward) {
		fprintf(stderr, "To prevent you from losing history, non-fast-forward updates were rejected\n"
				"Merge the remote changes (e.g. 'git pull') before pushing again.  See the\n"
				"'Note about fast-forwards' section of 'git push --help' for details.\n");
	}

	return 1;
}

static int do_push(const char *repo, int flags)
{
	int i, errs;
	struct remote *remote = remote_get(repo);
	const char **url;
	int url_nr;

	if (!remote) {
		if (repo)
			die("bad repository '%s'", repo);
		die("No destination configured to push to.");
	}

	if (remote->mirror)
		flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);

	if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
		if (!strcmp(*refspec, "refs/tags/*"))
			return error("--all and --tags are incompatible");
		return error("--all can't be combined with refspecs");
	}

	if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
		if (!strcmp(*refspec, "refs/tags/*"))
			return error("--mirror and --tags are incompatible");
		return error("--mirror can't be combined with refspecs");
	}

	if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
				(TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
		return error("--all and --mirror are incompatible");
	}

	if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) {
		if (remote->push_refspec_nr) {
			refspec = remote->push_refspec;
			refspec_nr = remote->push_refspec_nr;
		} else if (!(flags & TRANSPORT_PUSH_MIRROR))
			setup_default_push_refspecs();
	}
	errs = 0;
	if (remote->pushurl_nr) {
		url = remote->pushurl;
		url_nr = remote->pushurl_nr;
	} else {
		url = remote->url;
		url_nr = remote->url_nr;
	}
	if (url_nr) {
		for (i = 0; i < url_nr; i++) {
			struct transport *transport =
				transport_get(remote, url[i]);
			if (push_with_options(transport, flags))
				errs++;
		}
	} else {
		struct transport *transport =
			transport_get(remote, NULL);

		if (push_with_options(transport, flags))
			errs++;
	}
	return !!errs;
}

int cmd_push(int argc, const char **argv, const char *prefix)
{
	int flags = 0;
	int tags = 0;
	int rc;
	const char *repo = NULL;	/* default repository */
	struct option options[] = {
		OPT__VERBOSITY(&verbosity),
		OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
		OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
		OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
			    (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
		OPT_BOOLEAN( 0, "delete", &deleterefs, "delete refs"),
		OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"),
		OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
		OPT_BIT( 0,  "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
		OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
		OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
		OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
		OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
		OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status",
			TRANSPORT_PUSH_SET_UPSTREAM),
		OPT_BOOLEAN(0, "progress", &progress, "force progress reporting"),
		OPT_END()
	};

	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, push_usage, 0);

	if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
		die("--delete is incompatible with --all, --mirror and --tags");
	if (deleterefs && argc < 2)
		die("--delete doesn't make sense without any refs");

	if (tags)
		add_refspec("refs/tags/*");

	if (argc > 0) {
		repo = argv[0];
		set_refspecs(argv + 1, argc - 1);
	}

	rc = do_push(repo, flags);
	if (rc == -1)
		usage_with_options(push_usage, options);
	else
		return rc;
}
Commit	Line	Data
755225de LT	1	/*
	2	* "git push"
	3	*/
	4	#include "cache.h"
	5	#include "refs.h"
	6	#include "run-command.h"
	7	#include "builtin.h"
5751f490	8	#include "remote.h"
9b288516	9	#include "transport.h"
378c4832	10	#include "parse-options.h"
755225de	11
378c4832	12	static const char * const push_usage[] = {
e3163c75	13	"git push [<options>] [<repository> [<refspec>...]]",
378c4832 DB	14	NULL,
378c4832 DB	15	};
755225de	16
c29c1b40	17	static int thin;
f517f1f2	18	static int deleterefs;
d23842fd	19	static const char *receivepack;
8afd8dc0	20	static int verbosity;
78381069	21	static int progress;
755225de	22
96f1e58f DR	23	static const char **refspec;
96f1e58f DR	24	static int refspec_nr;
8a883b02	25	static int refspec_alloc;
755225de LT	26
	27	static void add_refspec(const char *ref)
	28	{
8a883b02 JH	29	refspec_nr++;
	30	ALLOC_GROW(refspec, refspec_nr, refspec_alloc);
	31	refspec[refspec_nr-1] = ref;
755225de LT	32	}
755225de LT	33
755225de LT	34	static void set_refspecs(const char **refs, int nr)
755225de LT	35	{
8558fd9e DB	36	int i;
	37	for (i = 0; i < nr; i++) {
	38	const char *ref = refs[i];
	39	if (!strcmp("tag", ref)) {
	40	char *tag;
	41	int len;
	42	if (nr <= ++i)
	43	die("tag shorthand without <tag>");
	44	len = strlen(refs[i]) + 11;
f517f1f2 JK	45	if (deleterefs) {
	46	tag = xmalloc(len+1);
	47	strcpy(tag, ":refs/tags/");
	48	} else {
	49	tag = xmalloc(len);
	50	strcpy(tag, "refs/tags/");
	51	}
8558fd9e DB	52	strcat(tag, refs[i]);
8558fd9e DB	53	ref = tag;
f517f1f2 JK	54	} else if (deleterefs && !strchr(ref, ':')) {
	55	char *delref;
	56	int len = strlen(ref)+1;
7b48c170	57	delref = xmalloc(len+1);
f517f1f2 JK	58	strcpy(delref, ":");
	59	strcat(delref, ref);
	60	ref = delref;
	61	} else if (deleterefs)
	62	die("--delete only accepts plain target ref names");
8558fd9e	63	add_refspec(ref);
755225de	64	}
755225de LT	65	}
755225de LT	66
53c40311	67	static void setup_push_upstream(void)
52153747 FAG	68	{
	69	struct strbuf refspec = STRBUF_INIT;
	70	struct branch *branch = branch_get(NULL);
	71	if (!branch)
	72	die("You are not currently on a branch.");
db03b557	73	if (!branch->merge_nr \|\| !branch->merge)
53c40311	74	die("The current branch %s has no upstream branch.",
52153747 FAG	75	branch->name);
52153747 FAG	76	if (branch->merge_nr != 1)
53c40311	77	die("The current branch %s has multiple upstream branches, "
52153747 FAG	78	"refusing to push.", branch->name);
	79	strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
	80	add_refspec(refspec.buf);
	81	}
	82
	83	static void setup_default_push_refspecs(void)
	84	{
52153747	85	switch (push_default) {
bba0fd22	86	default:
52153747 FAG	87	case PUSH_DEFAULT_MATCHING:
	88	add_refspec(":");
	89	break;
	90
53c40311 JH	91	case PUSH_DEFAULT_UPSTREAM:
53c40311 JH	92	setup_push_upstream();
52153747 FAG	93	break;
	94
	95	case PUSH_DEFAULT_CURRENT:
	96	add_refspec("HEAD");
	97	break;
	98
	99	case PUSH_DEFAULT_NOTHING:
	100	die("You didn't specify any refspecs to push, and "
	101	"push.default is \"nothing\".");
	102	break;
	103	}
	104	}
	105
fb0cc87e DB	106	static int push_with_options(struct transport *transport, int flags)
	107	{
	108	int err;
	109	int nonfastforward;
8afd8dc0	110
78381069	111	transport_set_verbosity(transport, verbosity, progress);
8afd8dc0	112
fb0cc87e DB	113	if (receivepack)
	114	transport_set_option(transport,
	115	TRANS_OPT_RECEIVEPACK, receivepack);
	116	if (thin)
	117	transport_set_option(transport, TRANS_OPT_THIN, "yes");
	118
8afd8dc0	119	if (verbosity > 0)
fb0cc87e DB	120	fprintf(stderr, "Pushing to %s\n", transport->url);
	121	err = transport_push(transport, refspec_nr, refspec, flags,
	122	&nonfastforward);
53970b92 TRC	123	if (err != 0)
	124	error("failed to push some refs to '%s'", transport->url);
	125
fb0cc87e DB	126	err \|= transport_disconnect(transport);
	127
	128	if (!err)
	129	return 0;
	130
fb0cc87e	131	if (nonfastforward && advice_push_nonfastforward) {
011fe981	132	fprintf(stderr, "To prevent you from losing history, non-fast-forward updates were rejected\n"
452c6d50 MM	133	"Merge the remote changes (e.g. 'git pull') before pushing again. See the\n"
452c6d50 MM	134	"'Note about fast-forwards' section of 'git push --help' for details.\n");
fb0cc87e DB	135	}
	136
	137	return 1;
	138	}
	139
9b288516	140	static int do_push(const char *repo, int flags)
755225de	141	{
5751f490	142	int i, errs;
5751f490	143	struct remote *remote = remote_get(repo);
20346234 MG	144	const char **url;
20346234 MG	145	int url_nr;
755225de	146
fa685bdf DB	147	if (!remote) {
	148	if (repo)
	149	die("bad repository '%s'", repo);
	150	die("No destination configured to push to.");
	151	}
755225de	152
84bb2dfd PB	153	if (remote->mirror)
	154	flags \|= (TRANSPORT_PUSH_MIRROR\|TRANSPORT_PUSH_FORCE);
	155
b259f09b MZ	156	if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
	157	if (!strcmp(refspec, "refs/tags/"))
	158	return error("--all and --tags are incompatible");
	159	return error("--all can't be combined with refspecs");
	160	}
	161
	162	if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
	163	if (!strcmp(refspec, "refs/tags/"))
	164	return error("--mirror and --tags are incompatible");
	165	return error("--mirror can't be combined with refspecs");
	166	}
84bb2dfd PB	167
	168	if ((flags & (TRANSPORT_PUSH_ALL\|TRANSPORT_PUSH_MIRROR)) ==
	169	(TRANSPORT_PUSH_ALL\|TRANSPORT_PUSH_MIRROR)) {
	170	return error("--all and --mirror are incompatible");
	171	}
	172
52153747 FAG	173	if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) {
	174	if (remote->push_refspec_nr) {
	175	refspec = remote->push_refspec;
	176	refspec_nr = remote->push_refspec_nr;
	177	} else if (!(flags & TRANSPORT_PUSH_MIRROR))
	178	setup_default_push_refspecs();
5751f490	179	}
fd1d1b05	180	errs = 0;
20346234 MG	181	if (remote->pushurl_nr) {
	182	url = remote->pushurl;
	183	url_nr = remote->pushurl_nr;
	184	} else {
	185	url = remote->url;
	186	url_nr = remote->url_nr;
	187	}
fb0cc87e DB	188	if (url_nr) {
	189	for (i = 0; i < url_nr; i++) {
	190	struct transport *transport =
	191	transport_get(remote, url[i]);
	192	if (push_with_options(transport, flags))
	193	errs++;
07436e43	194	}
fb0cc87e DB	195	} else {
	196	struct transport *transport =
	197	transport_get(remote, NULL);
	198
	199	if (push_with_options(transport, flags))
	200	errs++;
755225de	201	}
fd1d1b05	202	return !!errs;
755225de LT	203	}
755225de LT	204
a633fca0	205	int cmd_push(int argc, const char *argv, const char prefix)
755225de	206	{
9b288516	207	int flags = 0;
378c4832	208	int tags = 0;
84bb2dfd	209	int rc;
5751f490	210	const char repo = NULL; / default repository */
378c4832	211	struct option options[] = {
8afd8dc0	212	OPT__VERBOSITY(&verbosity),
378c4832	213	OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
c29c1b40 MB	214	OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
	215	OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
	216	(TRANSPORT_PUSH_MIRROR\|TRANSPORT_PUSH_FORCE)),
f517f1f2	217	OPT_BOOLEAN( 0, "delete", &deleterefs, "delete refs"),
f740cc25	218	OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"),
9f67fee2	219	OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
1965ff74	220	OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
c29c1b40	221	OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
378c4832 DB	222	OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
	223	OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
	224	OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
e9fcd1e2 IL	225	OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status",
e9fcd1e2 IL	226	TRANSPORT_PUSH_SET_UPSTREAM),
78381069	227	OPT_BOOLEAN(0, "progress", &progress, "force progress reporting"),
378c4832 DB	228	OPT_END()
378c4832 DB	229	};
755225de	230
2aae905f	231	git_config(git_default_config, NULL);
37782920	232	argc = parse_options(argc, argv, prefix, options, push_usage, 0);
378c4832	233
f517f1f2 JK	234	if (deleterefs && (tags \|\| (flags & (TRANSPORT_PUSH_ALL \| TRANSPORT_PUSH_MIRROR))))
	235	die("--delete is incompatible with --all, --mirror and --tags");
	236	if (deleterefs && argc < 2)
	237	die("--delete doesn't make sense without any refs");
	238
378c4832 DB	239	if (tags)
378c4832 DB	240	add_refspec("refs/tags/*");
378c4832 DB	241
	242	if (argc > 0) {
	243	repo = argv[0];
	244	set_refspecs(argv + 1, argc - 1);
755225de	245	}
8558fd9e	246
84bb2dfd PB	247	rc = do_push(repo, flags);
84bb2dfd PB	248	if (rc == -1)
94c89ba6	249	usage_with_options(push_usage, options);
84bb2dfd PB	250	else
84bb2dfd PB	251	return rc;
755225de	252	}