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

#include "builtin.h"
#include "config.h"
#include "commit.h"
#include "refs.h"
#include "pkt-line.h"
#include "sideband.h"
#include "run-command.h"
#include "remote.h"
#include "connect.h"
#include "send-pack.h"
#include "quote.h"
#include "transport.h"
#include "version.h"
#include "sha1-array.h"
#include "gpg-interface.h"
#include "gettext.h"
#include "protocol.h"

static const char * const send_pack_usage[] = {
	N_("git send-pack [--all | --mirror] [--dry-run] [--force] "
	  "[--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] "
	  "[<host>:]<directory> [<ref>...]\n"
	  "  --all and explicit <ref> specification are mutually exclusive."),
	NULL,
};

static struct send_pack_args args;

static void print_helper_status(struct ref *ref)
{
	struct strbuf buf = STRBUF_INIT;

	for (; ref; ref = ref->next) {
		const char *msg = NULL;
		const char *res;

		switch(ref->status) {
		case REF_STATUS_NONE:
			res = "error";
			msg = "no match";
			break;

		case REF_STATUS_OK:
			res = "ok";
			break;

		case REF_STATUS_UPTODATE:
			res = "ok";
			msg = "up to date";
			break;

		case REF_STATUS_REJECT_NONFASTFORWARD:
			res = "error";
			msg = "non-fast forward";
			break;

		case REF_STATUS_REJECT_FETCH_FIRST:
			res = "error";
			msg = "fetch first";
			break;

		case REF_STATUS_REJECT_NEEDS_FORCE:
			res = "error";
			msg = "needs force";
			break;

		case REF_STATUS_REJECT_STALE:
			res = "error";
			msg = "stale info";
			break;

		case REF_STATUS_REJECT_ALREADY_EXISTS:
			res = "error";
			msg = "already exists";
			break;

		case REF_STATUS_REJECT_NODELETE:
		case REF_STATUS_REMOTE_REJECT:
			res = "error";
			break;

		case REF_STATUS_EXPECTING_REPORT:
		default:
			continue;
		}

		strbuf_reset(&buf);
		strbuf_addf(&buf, "%s %s", res, ref->name);
		if (ref->remote_status)
			msg = ref->remote_status;
		if (msg) {
			strbuf_addch(&buf, ' ');
			quote_two_c_style(&buf, "", msg, 0);
		}
		strbuf_addch(&buf, '\n');

		write_or_die(1, buf.buf, buf.len);
	}
	strbuf_release(&buf);
}

static int send_pack_config(const char *k, const char *v, void *cb)
{
	git_gpg_config(k, v, NULL);

	if (!strcmp(k, "push.gpgsign")) {
		const char *value;
		if (!git_config_get_value("push.gpgsign", &value)) {
			switch (git_parse_maybe_bool(value)) {
			case 0:
				args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
				break;
			case 1:
				args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
				break;
			default:
				if (value && !strcasecmp(value, "if-asked"))
					args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
				else
					return error("Invalid value for '%s'", k);
			}
		}
	}
	return 0;
}

int cmd_send_pack(int argc, const char **argv, const char *prefix)
{
	int i, nr_refspecs = 0;
	const char **refspecs = NULL;
	const char *remote_name = NULL;
	struct remote *remote = NULL;
	const char *dest = NULL;
	int fd[2];
	struct child_process *conn;
	struct oid_array extra_have = OID_ARRAY_INIT;
	struct oid_array shallow = OID_ARRAY_INIT;
	struct ref *remote_refs, *local_refs;
	int ret;
	int helper_status = 0;
	int send_all = 0;
	int verbose = 0;
	const char *receivepack = "git-receive-pack";
	unsigned dry_run = 0;
	unsigned send_mirror = 0;
	unsigned force_update = 0;
	unsigned quiet = 0;
	int push_cert = 0;
	struct string_list push_options = STRING_LIST_INIT_NODUP;
	unsigned use_thin_pack = 0;
	unsigned atomic = 0;
	unsigned stateless_rpc = 0;
	int flags;
	unsigned int reject_reasons;
	int progress = -1;
	int from_stdin = 0;
	struct push_cas_option cas = {0};
	struct packet_reader reader;

	struct option options[] = {
		OPT__VERBOSITY(&verbose),
		OPT_STRING(0, "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
		OPT_STRING(0, "exec", &receivepack, "receive-pack", N_("receive pack program")),
		OPT_STRING(0, "remote", &remote_name, "remote", N_("remote name")),
		OPT_BOOL(0, "all", &send_all, N_("push all refs")),
		OPT_BOOL('n' , "dry-run", &dry_run, N_("dry run")),
		OPT_BOOL(0, "mirror", &send_mirror, N_("mirror all refs")),
		OPT_BOOL('f', "force", &force_update, N_("force updates")),
		{ OPTION_CALLBACK,
		  0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
		  PARSE_OPT_OPTARG, option_parse_push_signed },
		OPT_STRING_LIST(0, "push-option", &push_options,
				N_("server-specific"),
				N_("option to transmit")),
		OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
		OPT_BOOL(0, "thin", &use_thin_pack, N_("use thin pack")),
		OPT_BOOL(0, "atomic", &atomic, N_("request atomic transaction on remote side")),
		OPT_BOOL(0, "stateless-rpc", &stateless_rpc, N_("use stateless RPC protocol")),
		OPT_BOOL(0, "stdin", &from_stdin, N_("read refs from stdin")),
		OPT_BOOL(0, "helper-status", &helper_status, N_("print status from remote helper")),
		{ OPTION_CALLBACK,
		  0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
		  N_("require old value of ref to be at this value"),
		  PARSE_OPT_OPTARG, parseopt_push_cas_option },
		OPT_END()
	};

	git_config(send_pack_config, NULL);
	argc = parse_options(argc, argv, prefix, options, send_pack_usage, 0);
	if (argc > 0) {
		dest = argv[0];
		refspecs = (const char **)(argv + 1);
		nr_refspecs = argc - 1;
	}

	if (!dest)
		usage_with_options(send_pack_usage, options);

	args.verbose = verbose;
	args.dry_run = dry_run;
	args.send_mirror = send_mirror;
	args.force_update = force_update;
	args.quiet = quiet;
	args.push_cert = push_cert;
	args.progress = progress;
	args.use_thin_pack = use_thin_pack;
	args.atomic = atomic;
	args.stateless_rpc = stateless_rpc;
	args.push_options = push_options.nr ? &push_options : NULL;

	if (from_stdin) {
		struct argv_array all_refspecs = ARGV_ARRAY_INIT;

		for (i = 0; i < nr_refspecs; i++)
			argv_array_push(&all_refspecs, refspecs[i]);

		if (args.stateless_rpc) {
			const char *buf;
			while ((buf = packet_read_line(0, NULL)))
				argv_array_push(&all_refspecs, buf);
		} else {
			struct strbuf line = STRBUF_INIT;
			while (strbuf_getline(&line, stdin) != EOF)
				argv_array_push(&all_refspecs, line.buf);
			strbuf_release(&line);
		}

		refspecs = all_refspecs.argv;
		nr_refspecs = all_refspecs.argc;
	}

	/*
	 * --all and --mirror are incompatible; neither makes sense
	 * with any refspecs.
	 */
	if ((nr_refspecs > 0 && (send_all || args.send_mirror)) ||
	    (send_all && args.send_mirror))
		usage_with_options(send_pack_usage, options);

	if (remote_name) {
		remote = remote_get(remote_name);
		if (!remote_has_url(remote, dest)) {
			die("Destination %s is not a uri for %s",
			    dest, remote_name);
		}
	}

	if (progress == -1)
		progress = !args.quiet && isatty(2);
	args.progress = progress;

	if (args.stateless_rpc) {
		conn = NULL;
		fd[0] = 0;
		fd[1] = 1;
	} else {
		conn = git_connect(fd, dest, receivepack,
			args.verbose ? CONNECT_VERBOSE : 0);
	}

	packet_reader_init(&reader, fd[0], NULL, 0,
			   PACKET_READ_CHOMP_NEWLINE |
			   PACKET_READ_GENTLE_ON_EOF);

	switch (discover_version(&reader)) {
	case protocol_v1:
	case protocol_v0:
		get_remote_heads(&reader, &remote_refs, REF_NORMAL,
				 &extra_have, &shallow);
		break;
	case protocol_unknown_version:
		BUG("unknown protocol version");
	}

	transport_verify_remote_names(nr_refspecs, refspecs);

	local_refs = get_local_heads();

	flags = MATCH_REFS_NONE;

	if (send_all)
		flags |= MATCH_REFS_ALL;
	if (args.send_mirror)
		flags |= MATCH_REFS_MIRROR;

	/* match them up */
	if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
		return -1;

	if (!is_empty_cas(&cas))
		apply_push_cas(&cas, remote, remote_refs);

	set_ref_status_for_push(remote_refs, args.send_mirror,
		args.force_update);

	ret = send_pack(&args, fd, conn, remote_refs, &extra_have);

	if (helper_status)
		print_helper_status(remote_refs);

	close(fd[1]);
	close(fd[0]);

	ret |= finish_connect(conn);

	if (!helper_status)
		transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);

	if (!args.dry_run && remote) {
		struct ref *ref;
		for (ref = remote_refs; ref; ref = ref->next)
			transport_update_tracking_ref(remote, ref, args.verbose);
	}

	if (!ret && !transport_refs_pushed(remote_refs))
		fprintf(stderr, "Everything up-to-date\n");

	return ret;
}
Commit	Line	Data
c2e86add	1	#include "builtin.h"
b2141fc1	2	#include "config.h"
2a9c3fe8	3	#include "commit.h"
584c6cc9	4	#include "refs.h"
f3a3214e	5	#include "pkt-line.h"
de1a2fdd	6	#include "sideband.h"
38b1c662	7	#include "run-command.h"
6b62816c	8	#include "remote.h"
47a59185	9	#include "connect.h"
96249c04	10	#include "send-pack.h"
de1a2fdd	11	#include "quote.h"
f1863d0d	12	#include "transport.h"
ff5effdf	13	#include "version.h"
13eb4626	14	#include "sha1-array.h"
d830d395	15	#include "gpg-interface.h"
068c77a5	16	#include "gettext.h"
ad6ac124	17	#include "protocol.h"
61221472	18
068c77a5 DB	19	static const char * const send_pack_usage[] = {
	20	N_("git send-pack [--all \| --mirror] [--dry-run] [--force] "
	21	"[--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] "
	22	"[<host>:]<directory> [<ref>...]\n"
	23	" --all and explicit <ref> specification are mutually exclusive."),
	24	NULL,
	25	};
96249c04	26
6828f72f	27	static struct send_pack_args args;
61221472	28
de1a2fdd SP	29	static void print_helper_status(struct ref *ref)
	30	{
	31	struct strbuf buf = STRBUF_INIT;
	32
	33	for (; ref; ref = ref->next) {
	34	const char *msg = NULL;
	35	const char *res;
	36
	37	switch(ref->status) {
	38	case REF_STATUS_NONE:
	39	res = "error";
	40	msg = "no match";
	41	break;
	42
	43	case REF_STATUS_OK:
	44	res = "ok";
	45	break;
	46
	47	case REF_STATUS_UPTODATE:
	48	res = "ok";
	49	msg = "up to date";
	50	break;
	51
	52	case REF_STATUS_REJECT_NONFASTFORWARD:
	53	res = "error";
	54	msg = "non-fast forward";
dbfeddb1 CR	55	break;
dbfeddb1 CR	56
75e5c0dc JH	57	case REF_STATUS_REJECT_FETCH_FIRST:
	58	res = "error";
	59	msg = "fetch first";
	60	break;
	61
	62	case REF_STATUS_REJECT_NEEDS_FORCE:
	63	res = "error";
	64	msg = "needs force";
	65	break;
	66
631b5ef2 JH	67	case REF_STATUS_REJECT_STALE:
	68	res = "error";
	69	msg = "stale info";
	70	break;
	71
dbfeddb1 CR	72	case REF_STATUS_REJECT_ALREADY_EXISTS:
	73	res = "error";
	74	msg = "already exists";
de1a2fdd SP	75	break;
	76
	77	case REF_STATUS_REJECT_NODELETE:
	78	case REF_STATUS_REMOTE_REJECT:
	79	res = "error";
	80	break;
	81
	82	case REF_STATUS_EXPECTING_REPORT:
	83	default:
	84	continue;
	85	}
	86
	87	strbuf_reset(&buf);
	88	strbuf_addf(&buf, "%s %s", res, ref->name);
	89	if (ref->remote_status)
	90	msg = ref->remote_status;
	91	if (msg) {
	92	strbuf_addch(&buf, ' ');
	93	quote_two_c_style(&buf, "", msg, 0);
	94	}
	95	strbuf_addch(&buf, '\n');
	96
cdf4fb8e	97	write_or_die(1, buf.buf, buf.len);
de1a2fdd SP	98	}
	99	strbuf_release(&buf);
	100	}
	101
68c757f2 DB	102	static int send_pack_config(const char k, const char v, void *cb)
	103	{
	104	git_gpg_config(k, v, NULL);
	105
	106	if (!strcmp(k, "push.gpgsign")) {
	107	const char *value;
	108	if (!git_config_get_value("push.gpgsign", &value)) {
89576613	109	switch (git_parse_maybe_bool(value)) {
68c757f2 DB	110	case 0:
	111	args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
	112	break;
	113	case 1:
	114	args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
	115	break;
	116	default:
	117	if (value && !strcasecmp(value, "if-asked"))
	118	args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
	119	else
	120	return error("Invalid value for '%s'", k);
	121	}
	122	}
	123	}
	124	return 0;
	125	}
	126
96249c04	127	int cmd_send_pack(int argc, const char *argv, const char prefix)
61221472	128	{
64fcef2d DB	129	int i, nr_refspecs = 0;
64fcef2d DB	130	const char **refspecs = NULL;
96249c04	131	const char *remote_name = NULL;
b516968f	132	struct remote *remote = NULL;
96249c04	133	const char *dest = NULL;
64fcef2d DB	134	int fd[2];
64fcef2d DB	135	struct child_process *conn;
910650d2	136	struct oid_array extra_have = OID_ARRAY_INIT;
910650d2	137	struct oid_array shallow = OID_ARRAY_INIT;
6d2bf96e	138	struct ref remote_refs, local_refs;
64fcef2d	139	int ret;
de1a2fdd	140	int helper_status = 0;
64fcef2d	141	int send_all = 0;
068c77a5	142	int verbose = 0;
64fcef2d	143	const char *receivepack = "git-receive-pack";
068c77a5 DB	144	unsigned dry_run = 0;
	145	unsigned send_mirror = 0;
	146	unsigned force_update = 0;
	147	unsigned quiet = 0;
30261094	148	int push_cert = 0;
511155db	149	struct string_list push_options = STRING_LIST_INIT_NODUP;
068c77a5 DB	150	unsigned use_thin_pack = 0;
	151	unsigned atomic = 0;
	152	unsigned stateless_rpc = 0;
64fcef2d	153	int flags;
10643d4e	154	unsigned int reject_reasons;
391b1f20	155	int progress = -1;
26be19ba	156	int from_stdin = 0;
28f5d176	157	struct push_cas_option cas = {0};
ad6ac124	158	struct packet_reader reader;
84a9b58c	159
068c77a5 DB	160	struct option options[] = {
	161	OPT__VERBOSITY(&verbose),
	162	OPT_STRING(0, "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
	163	OPT_STRING(0, "exec", &receivepack, "receive-pack", N_("receive pack program")),
	164	OPT_STRING(0, "remote", &remote_name, "remote", N_("remote name")),
	165	OPT_BOOL(0, "all", &send_all, N_("push all refs")),
	166	OPT_BOOL('n' , "dry-run", &dry_run, N_("dry run")),
	167	OPT_BOOL(0, "mirror", &send_mirror, N_("mirror all refs")),
	168	OPT_BOOL('f', "force", &force_update, N_("force updates")),
30261094 DB	169	{ OPTION_CALLBACK,
	170	0, "signed", &push_cert, "yes\|no\|if-asked", N_("GPG sign the push"),
	171	PARSE_OPT_OPTARG, option_parse_push_signed },
511155db BW	172	OPT_STRING_LIST(0, "push-option", &push_options,
	173	N_("server-specific"),
	174	N_("option to transmit")),
068c77a5 DB	175	OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
	176	OPT_BOOL(0, "thin", &use_thin_pack, N_("use thin pack")),
	177	OPT_BOOL(0, "atomic", &atomic, N_("request atomic transaction on remote side")),
	178	OPT_BOOL(0, "stateless-rpc", &stateless_rpc, N_("use stateless RPC protocol")),
	179	OPT_BOOL(0, "stdin", &from_stdin, N_("read refs from stdin")),
	180	OPT_BOOL(0, "helper-status", &helper_status, N_("print status from remote helper")),
	181	{ OPTION_CALLBACK,
	182	0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
	183	N_("require old value of ref to be at this value"),
	184	PARSE_OPT_OPTARG, parseopt_push_cas_option },
	185	OPT_END()
	186	};
61221472	187
68c757f2	188	git_config(send_pack_config, NULL);
068c77a5 DB	189	argc = parse_options(argc, argv, prefix, options, send_pack_usage, 0);
	190	if (argc > 0) {
	191	dest = argv[0];
	192	refspecs = (const char **)(argv + 1);
	193	nr_refspecs = argc - 1;
61221472	194	}
068c77a5	195
61221472	196	if (!dest)
068c77a5 DB	197	usage_with_options(send_pack_usage, options);
	198
	199	args.verbose = verbose;
	200	args.dry_run = dry_run;
	201	args.send_mirror = send_mirror;
	202	args.force_update = force_update;
	203	args.quiet = quiet;
	204	args.push_cert = push_cert;
	205	args.progress = progress;
	206	args.use_thin_pack = use_thin_pack;
	207	args.atomic = atomic;
	208	args.stateless_rpc = stateless_rpc;
511155db	209	args.push_options = push_options.nr ? &push_options : NULL;
26be19ba JK	210
	211	if (from_stdin) {
	212	struct argv_array all_refspecs = ARGV_ARRAY_INIT;
	213
	214	for (i = 0; i < nr_refspecs; i++)
	215	argv_array_push(&all_refspecs, refspecs[i]);
	216
	217	if (args.stateless_rpc) {
	218	const char *buf;
	219	while ((buf = packet_read_line(0, NULL)))
	220	argv_array_push(&all_refspecs, buf);
	221	} else {
	222	struct strbuf line = STRBUF_INIT;
933bea92	223	while (strbuf_getline(&line, stdin) != EOF)
26be19ba JK	224	argv_array_push(&all_refspecs, line.buf);
	225	strbuf_release(&line);
	226	}
	227
	228	refspecs = all_refspecs.argv;
	229	nr_refspecs = all_refspecs.argc;
	230	}
	231
28b9d6e5 AW	232	/*
	233	* --all and --mirror are incompatible; neither makes sense
	234	* with any refspecs.
	235	*/
c6777563	236	if ((nr_refspecs > 0 && (send_all \|\| args.send_mirror)) \|\|
64fcef2d	237	(send_all && args.send_mirror))
068c77a5	238	usage_with_options(send_pack_usage, options);
37adac76	239
b516968f DB	240	if (remote_name) {
b516968f DB	241	remote = remote_get(remote_name);
28b91f8a	242	if (!remote_has_url(remote, dest)) {
b516968f DB	243	die("Destination %s is not a uri for %s",
	244	dest, remote_name);
	245	}
	246	}
	247
391b1f20 JK	248	if (progress == -1)
	249	progress = !args.quiet && isatty(2);
	250	args.progress = progress;
8d32e60d	251
de1a2fdd SP	252	if (args.stateless_rpc) {
	253	conn = NULL;
	254	fd[0] = 0;
	255	fd[1] = 1;
	256	} else {
5a277f3f	257	conn = git_connect(fd, dest, receivepack,
de1a2fdd SP	258	args.verbose ? CONNECT_VERBOSE : 0);
de1a2fdd SP	259	}
96249c04	260
ad6ac124 BW	261	packet_reader_init(&reader, fd[0], NULL, 0,
	262	PACKET_READ_CHOMP_NEWLINE \|
	263	PACKET_READ_GENTLE_ON_EOF);
	264
	265	switch (discover_version(&reader)) {
	266	case protocol_v1:
	267	case protocol_v0:
	268	get_remote_heads(&reader, &remote_refs, REF_NORMAL,
	269	&extra_have, &shallow);
	270	break;
	271	case protocol_unknown_version:
	272	BUG("unknown protocol version");
	273	}
64fcef2d	274
f1863d0d	275	transport_verify_remote_names(nr_refspecs, refspecs);
64fcef2d DB	276
64fcef2d DB	277	local_refs = get_local_heads();
96249c04	278
64fcef2d DB	279	flags = MATCH_REFS_NONE;
	280
	281	if (send_all)
	282	flags \|= MATCH_REFS_ALL;
	283	if (args.send_mirror)
	284	flags \|= MATCH_REFS_MIRROR;
	285
	286	/* match them up */
29753cdd	287	if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
64fcef2d	288	return -1;
96249c04	289
91048a95 JH	290	if (!is_empty_cas(&cas))
	291	apply_push_cas(&cas, remote, remote_refs);
	292
20e8b465 TRC	293	set_ref_status_for_push(remote_refs, args.send_mirror,
	294	args.force_update);
	295
64fcef2d	296	ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
96249c04	297
de1a2fdd SP	298	if (helper_status)
	299	print_helper_status(remote_refs);
	300
64fcef2d	301	close(fd[1]);
7f8e9828	302	close(fd[0]);
64fcef2d	303
98158e9c	304	ret \|= finish_connect(conn);
64fcef2d	305
de1a2fdd	306	if (!helper_status)
10643d4e	307	transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
64fcef2d DB	308
	309	if (!args.dry_run && remote) {
	310	struct ref *ref;
	311	for (ref = remote_refs; ref; ref = ref->next)
f1863d0d	312	transport_update_tracking_ref(remote, ref, args.verbose);
64fcef2d DB	313	}
64fcef2d DB	314
f1863d0d	315	if (!ret && !transport_refs_pushed(remote_refs))
64fcef2d DB	316	fprintf(stderr, "Everything up-to-date\n");
	317
	318	return ret;
61221472	319	}