[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"
#include "submodule.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(struct remote *remote)
{
	struct strbuf refspec = STRBUF_INIT;
	struct branch *branch = branch_get(NULL);
	if (!branch)
		die(_("You are not currently on a branch.\n"
		    "To push the history leading to the current (detached HEAD)\n"
		    "state now, use\n"
		    "\n"
		    "    git push %s HEAD:<name-of-remote-branch>\n"),
		    remote->name);
	if (!branch->merge_nr || !branch->merge)
		die(_("The current branch %s has no upstream branch.\n"
		    "To push the current branch and set the remote as upstream, use\n"
		    "\n"
		    "    git push --set-upstream %s %s\n"),
		    branch->name,
		    remote->name,
		    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(struct remote *remote)
{
	switch (push_default) {
	default:
	case PUSH_DEFAULT_MATCHING:
		add_refspec(":");
		break;

	case PUSH_DEFAULT_UPSTREAM:
		setup_push_upstream(remote);
		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 configured push destination.\n"
		    "Either specify the URL from the command-line or configure a remote repository using\n"
		    "\n"
		    "    git remote add <name> <url>\n"
		    "\n"
		    "and then push using the remote name\n"
		    "\n"
		    "    git push <name>\n"));
	}

	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(remote);
	}
	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;
}

static int option_parse_recurse_submodules(const struct option *opt,
				   const char *arg, int unset)
{
	int *flags = opt->value;
	if (arg) {
		if (!strcmp(arg, "check"))
			*flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
		else
			die("bad %s argument: %s", opt->long_name, arg);
	} else
		die("option %s needs an argument (check)", opt->long_name);

	return 0;
}

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),
		{ OPTION_CALLBACK, 0, "recurse-submodules", &flags, "check",
			"controls recursive pushing of submodules",
			PARSE_OPT_OPTARG, option_parse_recurse_submodules },
		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()
	};

	packet_trace_identity("push");
	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"
d2b17b32	11	#include "submodule.h"
755225de	12
378c4832	13	static const char * const push_usage[] = {
e3163c75	14	"git push [<options>] [<repository> [<refspec>...]]",
378c4832 DB	15	NULL,
378c4832 DB	16	};
755225de	17
c29c1b40	18	static int thin;
f517f1f2	19	static int deleterefs;
d23842fd	20	static const char *receivepack;
8afd8dc0	21	static int verbosity;
78381069	22	static int progress;
755225de	23
96f1e58f DR	24	static const char **refspec;
96f1e58f DR	25	static int refspec_nr;
8a883b02	26	static int refspec_alloc;
755225de LT	27
	28	static void add_refspec(const char *ref)
	29	{
8a883b02 JH	30	refspec_nr++;
	31	ALLOC_GROW(refspec, refspec_nr, refspec_alloc);
	32	refspec[refspec_nr-1] = ref;
755225de LT	33	}
755225de LT	34
755225de LT	35	static void set_refspecs(const char **refs, int nr)
755225de LT	36	{
8558fd9e DB	37	int i;
	38	for (i = 0; i < nr; i++) {
	39	const char *ref = refs[i];
	40	if (!strcmp("tag", ref)) {
	41	char *tag;
	42	int len;
	43	if (nr <= ++i)
8352d29e	44	die(_("tag shorthand without <tag>"));
8558fd9e	45	len = strlen(refs[i]) + 11;
f517f1f2 JK	46	if (deleterefs) {
	47	tag = xmalloc(len+1);
	48	strcpy(tag, ":refs/tags/");
	49	} else {
	50	tag = xmalloc(len);
	51	strcpy(tag, "refs/tags/");
	52	}
8558fd9e DB	53	strcat(tag, refs[i]);
8558fd9e DB	54	ref = tag;
f517f1f2 JK	55	} else if (deleterefs && !strchr(ref, ':')) {
	56	char *delref;
	57	int len = strlen(ref)+1;
7b48c170	58	delref = xmalloc(len+1);
f517f1f2 JK	59	strcpy(delref, ":");
	60	strcat(delref, ref);
	61	ref = delref;
	62	} else if (deleterefs)
8352d29e	63	die(_("--delete only accepts plain target ref names"));
8558fd9e	64	add_refspec(ref);
755225de	65	}
755225de LT	66	}
755225de LT	67
ec8460bd	68	static void setup_push_upstream(struct remote *remote)
52153747 FAG	69	{
	70	struct strbuf refspec = STRBUF_INIT;
	71	struct branch *branch = branch_get(NULL);
	72	if (!branch)
6c80cd29	73	die(_("You are not currently on a branch.\n"
ec8460bd MM	74	"To push the history leading to the current (detached HEAD)\n"
	75	"state now, use\n"
	76	"\n"
6c80cd29	77	" git push %s HEAD:<name-of-remote-branch>\n"),
ec8460bd	78	remote->name);
db03b557	79	if (!branch->merge_nr \|\| !branch->merge)
6c80cd29	80	die(_("The current branch %s has no upstream branch.\n"
ec8460bd MM	81	"To push the current branch and set the remote as upstream, use\n"
ec8460bd MM	82	"\n"
6c80cd29	83	" git push --set-upstream %s %s\n"),
ec8460bd MM	84	branch->name,
ec8460bd MM	85	remote->name,
52153747 FAG	86	branch->name);
52153747 FAG	87	if (branch->merge_nr != 1)
6c80cd29	88	die(_("The current branch %s has multiple upstream branches, "
8352d29e	89	"refusing to push."), branch->name);
52153747 FAG	90	strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
	91	add_refspec(refspec.buf);
	92	}
	93
ec8460bd	94	static void setup_default_push_refspecs(struct remote *remote)
52153747	95	{
52153747	96	switch (push_default) {
bba0fd22	97	default:
52153747 FAG	98	case PUSH_DEFAULT_MATCHING:
	99	add_refspec(":");
	100	break;
	101
53c40311	102	case PUSH_DEFAULT_UPSTREAM:
ec8460bd	103	setup_push_upstream(remote);
52153747 FAG	104	break;
	105
	106	case PUSH_DEFAULT_CURRENT:
	107	add_refspec("HEAD");
	108	break;
	109
	110	case PUSH_DEFAULT_NOTHING:
8352d29e ÆAB	111	die(_("You didn't specify any refspecs to push, and "
8352d29e ÆAB	112	"push.default is \"nothing\"."));
52153747 FAG	113	break;
	114	}
	115	}
	116
fb0cc87e DB	117	static int push_with_options(struct transport *transport, int flags)
	118	{
	119	int err;
	120	int nonfastforward;
8afd8dc0	121
78381069	122	transport_set_verbosity(transport, verbosity, progress);
8afd8dc0	123
fb0cc87e DB	124	if (receivepack)
	125	transport_set_option(transport,
	126	TRANS_OPT_RECEIVEPACK, receivepack);
	127	if (thin)
	128	transport_set_option(transport, TRANS_OPT_THIN, "yes");
	129
8afd8dc0	130	if (verbosity > 0)
8352d29e	131	fprintf(stderr, _("Pushing to %s\n"), transport->url);
fb0cc87e DB	132	err = transport_push(transport, refspec_nr, refspec, flags,
fb0cc87e DB	133	&nonfastforward);
53970b92	134	if (err != 0)
8352d29e	135	error(_("failed to push some refs to '%s'"), transport->url);
53970b92	136
fb0cc87e DB	137	err \|= transport_disconnect(transport);
	138
	139	if (!err)
	140	return 0;
	141
fb0cc87e	142	if (nonfastforward && advice_push_nonfastforward) {
b32227e7	143	fprintf(stderr, _("To prevent you from losing history, non-fast-forward updates were rejected\n"
452c6d50	144	"Merge the remote changes (e.g. 'git pull') before pushing again. See the\n"
b32227e7	145	"'Note about fast-forwards' section of 'git push --help' for details.\n"));
fb0cc87e DB	146	}
	147
	148	return 1;
	149	}
	150
9b288516	151	static int do_push(const char *repo, int flags)
755225de	152	{
5751f490	153	int i, errs;
5751f490	154	struct remote *remote = remote_get(repo);
20346234 MG	155	const char **url;
20346234 MG	156	int url_nr;
755225de	157
fa685bdf DB	158	if (!remote) {
fa685bdf DB	159	if (repo)
8352d29e	160	die(_("bad repository '%s'"), repo);
6c80cd29	161	die(_("No configured push destination.\n"
a3f5e7a3 MM	162	"Either specify the URL from the command-line or configure a remote repository using\n"
	163	"\n"
	164	" git remote add <name> <url>\n"
	165	"\n"
	166	"and then push using the remote name\n"
	167	"\n"
6c80cd29	168	" git push <name>\n"));
fa685bdf	169	}
755225de	170
84bb2dfd PB	171	if (remote->mirror)
	172	flags \|= (TRANSPORT_PUSH_MIRROR\|TRANSPORT_PUSH_FORCE);
	173
b259f09b MZ	174	if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
b259f09b MZ	175	if (!strcmp(refspec, "refs/tags/"))
8352d29e ÆAB	176	return error(_("--all and --tags are incompatible"));
8352d29e ÆAB	177	return error(_("--all can't be combined with refspecs"));
b259f09b MZ	178	}
	179
	180	if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
	181	if (!strcmp(refspec, "refs/tags/"))
8352d29e ÆAB	182	return error(_("--mirror and --tags are incompatible"));
8352d29e ÆAB	183	return error(_("--mirror can't be combined with refspecs"));
b259f09b	184	}
84bb2dfd PB	185
	186	if ((flags & (TRANSPORT_PUSH_ALL\|TRANSPORT_PUSH_MIRROR)) ==
	187	(TRANSPORT_PUSH_ALL\|TRANSPORT_PUSH_MIRROR)) {
8352d29e	188	return error(_("--all and --mirror are incompatible"));
84bb2dfd PB	189	}
84bb2dfd PB	190
52153747 FAG	191	if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) {
	192	if (remote->push_refspec_nr) {
	193	refspec = remote->push_refspec;
	194	refspec_nr = remote->push_refspec_nr;
	195	} else if (!(flags & TRANSPORT_PUSH_MIRROR))
ec8460bd	196	setup_default_push_refspecs(remote);
5751f490	197	}
fd1d1b05	198	errs = 0;
20346234 MG	199	if (remote->pushurl_nr) {
	200	url = remote->pushurl;
	201	url_nr = remote->pushurl_nr;
	202	} else {
	203	url = remote->url;
	204	url_nr = remote->url_nr;
	205	}
fb0cc87e DB	206	if (url_nr) {
	207	for (i = 0; i < url_nr; i++) {
	208	struct transport *transport =
	209	transport_get(remote, url[i]);
	210	if (push_with_options(transport, flags))
	211	errs++;
07436e43	212	}
fb0cc87e DB	213	} else {
	214	struct transport *transport =
	215	transport_get(remote, NULL);
	216
	217	if (push_with_options(transport, flags))
	218	errs++;
755225de	219	}
fd1d1b05	220	return !!errs;
755225de LT	221	}
755225de LT	222
d2b17b32 FG	223	static int option_parse_recurse_submodules(const struct option *opt,
	224	const char *arg, int unset)
	225	{
	226	int *flags = opt->value;
	227	if (arg) {
	228	if (!strcmp(arg, "check"))
	229	*flags \|= TRANSPORT_RECURSE_SUBMODULES_CHECK;
	230	else
	231	die("bad %s argument: %s", opt->long_name, arg);
	232	} else
	233	die("option %s needs an argument (check)", opt->long_name);
	234
	235	return 0;
	236	}
	237
a633fca0	238	int cmd_push(int argc, const char *argv, const char prefix)
755225de	239	{
9b288516	240	int flags = 0;
378c4832	241	int tags = 0;
84bb2dfd	242	int rc;
5751f490	243	const char repo = NULL; / default repository */
378c4832	244	struct option options[] = {
8afd8dc0	245	OPT__VERBOSITY(&verbosity),
378c4832	246	OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
c29c1b40 MB	247	OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
	248	OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
	249	(TRANSPORT_PUSH_MIRROR\|TRANSPORT_PUSH_FORCE)),
f517f1f2	250	OPT_BOOLEAN( 0, "delete", &deleterefs, "delete refs"),
f740cc25	251	OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"),
9f67fee2	252	OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
1965ff74	253	OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
c29c1b40	254	OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
d2b17b32 FG	255	{ OPTION_CALLBACK, 0, "recurse-submodules", &flags, "check",
	256	"controls recursive pushing of submodules",
	257	PARSE_OPT_OPTARG, option_parse_recurse_submodules },
378c4832 DB	258	OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
	259	OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
	260	OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
e9fcd1e2 IL	261	OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status",
e9fcd1e2 IL	262	TRANSPORT_PUSH_SET_UPSTREAM),
78381069	263	OPT_BOOLEAN(0, "progress", &progress, "force progress reporting"),
378c4832 DB	264	OPT_END()
378c4832 DB	265	};
755225de	266
bbc30f99	267	packet_trace_identity("push");
2aae905f	268	git_config(git_default_config, NULL);
37782920	269	argc = parse_options(argc, argv, prefix, options, push_usage, 0);
378c4832	270
f517f1f2	271	if (deleterefs && (tags \|\| (flags & (TRANSPORT_PUSH_ALL \| TRANSPORT_PUSH_MIRROR))))
8352d29e	272	die(_("--delete is incompatible with --all, --mirror and --tags"));
f517f1f2	273	if (deleterefs && argc < 2)
8352d29e	274	die(_("--delete doesn't make sense without any refs"));
f517f1f2	275
378c4832 DB	276	if (tags)
378c4832 DB	277	add_refspec("refs/tags/*");
378c4832 DB	278
	279	if (argc > 0) {
	280	repo = argv[0];
	281	set_refspecs(argv + 1, argc - 1);
755225de	282	}
8558fd9e	283
84bb2dfd PB	284	rc = do_push(repo, flags);
84bb2dfd PB	285	if (rc == -1)
94c89ba6	286	usage_with_options(push_usage, options);
84bb2dfd PB	287	else
84bb2dfd PB	288	return rc;
755225de	289	}