示例#1
0
文件: add.c 项目: pk-karthik/git
int run_add_interactive(const char *revision, const char *patch_mode,
			const struct pathspec *pathspec)
{
	int status, i;
	struct argv_array argv = ARGV_ARRAY_INIT;

	argv_array_push(&argv, "add--interactive");
	if (patch_mode)
		argv_array_push(&argv, patch_mode);
	if (revision)
		argv_array_push(&argv, revision);
	argv_array_push(&argv, "--");
	for (i = 0; i < pathspec->nr; i++)
		/* pass original pathspec, to be re-parsed */
		argv_array_push(&argv, pathspec->items[i].original);

	status = run_command_v_opt(argv.argv, RUN_GIT_CMD);
	argv_array_clear(&argv);
	return status;
}
示例#2
0
文件: pull.c 项目: FreglBoy/git
/**
 * Given the current HEAD SHA1, the merge head returned from git-fetch and the
 * fork point calculated by get_rebase_fork_point(), runs git-rebase with the
 * appropriate arguments and returns its exit status.
 */
static int run_rebase(const unsigned char *curr_head,
		const unsigned char *merge_head,
		const unsigned char *fork_point)
{
	int ret;
	unsigned char oct_merge_base[GIT_SHA1_RAWSZ];
	struct argv_array args = ARGV_ARRAY_INIT;

	if (!get_octopus_merge_base(oct_merge_base, curr_head, merge_head, fork_point))
		if (!is_null_sha1(fork_point) && !hashcmp(oct_merge_base, fork_point))
			fork_point = NULL;

	argv_array_push(&args, "rebase");

	/* Shared options */
	argv_push_verbosity(&args);

	/* Options passed to git-rebase */
	if (opt_rebase == REBASE_PRESERVE)
		argv_array_push(&args, "--preserve-merges");
	else if (opt_rebase == REBASE_INTERACTIVE)
		argv_array_push(&args, "--interactive");
	if (opt_diffstat)
		argv_array_push(&args, opt_diffstat);
	argv_array_pushv(&args, opt_strategies.argv);
	argv_array_pushv(&args, opt_strategy_opts.argv);
	if (opt_gpg_sign)
		argv_array_push(&args, opt_gpg_sign);

	argv_array_push(&args, "--onto");
	argv_array_push(&args, sha1_to_hex(merge_head));

	if (fork_point && !is_null_sha1(fork_point))
		argv_array_push(&args, sha1_to_hex(fork_point));
	else
		argv_array_push(&args, sha1_to_hex(merge_head));

	ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
	argv_array_clear(&args);
	return ret;
}
示例#3
0
文件: pull.c 项目: foggg7777/git
/**
 * Runs git-merge, returning its exit status.
 */
static int run_merge(void)
{
	int ret;
	struct argv_array args = ARGV_ARRAY_INIT;

	argv_array_pushl(&args, "merge", NULL);

	/* Shared options */
	argv_push_verbosity(&args);
	if (opt_progress)
		argv_array_push(&args, opt_progress);

	/* Options passed to git-merge */
	if (opt_diffstat)
		argv_array_push(&args, opt_diffstat);
	if (opt_log)
		argv_array_push(&args, opt_log);
	if (opt_signoff)
		argv_array_push(&args, opt_signoff);
	if (opt_squash)
		argv_array_push(&args, opt_squash);
	if (opt_commit)
		argv_array_push(&args, opt_commit);
	if (opt_edit)
		argv_array_push(&args, opt_edit);
	if (opt_ff)
		argv_array_push(&args, opt_ff);
	if (opt_verify_signatures)
		argv_array_push(&args, opt_verify_signatures);
	argv_array_pushv(&args, opt_strategies.argv);
	argv_array_pushv(&args, opt_strategy_opts.argv);
	if (opt_gpg_sign)
		argv_array_push(&args, opt_gpg_sign);
	if (opt_allow_unrelated_histories > 0)
		argv_array_push(&args, "--allow-unrelated-histories");

	argv_array_push(&args, "FETCH_HEAD");
	ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
	argv_array_clear(&args);
	return ret;
}
示例#4
0
static int push_dav(int nr_spec, char **specs)
{
	const char **argv = xmalloc((10 + nr_spec) * sizeof(char*));
	int argc = 0, i;

	argv[argc++] = "http-push";
	argv[argc++] = "--helper-status";
	if (options.dry_run)
		argv[argc++] = "--dry-run";
	if (options.verbosity > 1)
		argv[argc++] = "--verbose";
	argv[argc++] = url;
	for (i = 0; i < nr_spec; i++)
		argv[argc++] = specs[i];
	argv[argc++] = NULL;

	if (run_command_v_opt(argv, RUN_GIT_CMD))
		die("git-%s failed", argv[0]);
	free(argv);
	return 0;
}
示例#5
0
文件: merge.c 项目: helloandre/cr48
static void restore_state(void)
{
	struct strbuf sb = STRBUF_INIT;
	const char *args[] = { "stash", "apply", NULL, NULL };

	if (is_null_sha1(stash))
		return;

	reset_hard(head, 1);

	args[2] = sha1_to_hex(stash);

	/*
	 * It is OK to ignore error here, for example when there was
	 * nothing to restore.
	 */
	run_command_v_opt(args, RUN_GIT_CMD);

	strbuf_release(&sb);
	refresh_cache(REFRESH_QUIET);
}
示例#6
0
文件: add.c 项目: 13leaf/git
int run_add_interactive(const char *revision, const char *patch_mode,
			const struct pathspec *pathspec)
{
	int status, ac, i;
	const char **args;

	args = xcalloc(sizeof(const char *), (pathspec->nr + 6));
	ac = 0;
	args[ac++] = "add--interactive";
	if (patch_mode)
		args[ac++] = patch_mode;
	if (revision)
		args[ac++] = revision;
	args[ac++] = "--";
	for (i = 0; i < pathspec->nr; i++)
		/* pass original pathspec, to be re-parsed */
		args[ac++] = pathspec->items[i].original;

	status = run_command_v_opt(args, RUN_GIT_CMD);
	free(args);
	return status;
}
示例#7
0
static int curl_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags)
{
	const char **argv;
	int argc;
	int err;

	if (flags & TRANSPORT_PUSH_MIRROR)
		return error("http transport does not support mirror mode");

	argv = xmalloc((refspec_nr + 12) * sizeof(char *));
	argv[0] = "http-push";
	argc = 1;
	if (flags & TRANSPORT_PUSH_ALL)
		argv[argc++] = "--all";
	if (flags & TRANSPORT_PUSH_FORCE)
		argv[argc++] = "--force";
	if (flags & TRANSPORT_PUSH_DRY_RUN)
		argv[argc++] = "--dry-run";
	if (flags & TRANSPORT_PUSH_VERBOSE)
		argv[argc++] = "--verbose";
	argv[argc++] = transport->url;
	while (refspec_nr--)
		argv[argc++] = *refspec++;
	argv[argc] = NULL;
	err = run_command_v_opt(argv, RUN_GIT_CMD);
	switch (err) {
	case -ERR_RUN_COMMAND_FORK:
		error("unable to fork for %s", argv[0]);
	case -ERR_RUN_COMMAND_EXEC:
		error("unable to exec %s", argv[0]);
		break;
	case -ERR_RUN_COMMAND_WAITPID:
	case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
	case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
	case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
		error("%s died with strange error", argv[0]);
	}
	return !!err;
}
示例#8
0
文件: git.c 项目: Ferryworld/git
static void execv_dashed_external(const char **argv)
{
	struct strbuf cmd = STRBUF_INIT;
	const char *tmp;
	int status;

	if (get_super_prefix())
		die("%s doesn't support --super-prefix", argv[0]);

	if (use_pager == -1)
		use_pager = check_pager_config(argv[0]);
	commit_pager_choice();

	strbuf_addf(&cmd, "git-%s", argv[0]);

	/*
	 * argv[0] must be the git command, but the argv array
	 * belongs to the caller, and may be reused in
	 * subsequent loop iterations. Save argv[0] and
	 * restore it on error.
	 */
	tmp = argv[0];
	argv[0] = cmd.buf;

	trace_argv_printf(argv, "trace: exec:");

	/*
	 * if we fail because the command is not found, it is
	 * OK to return. Otherwise, we just pass along the status code.
	 */
	status = run_command_v_opt(argv, RUN_SILENT_EXEC_FAILURE | RUN_CLEAN_ON_EXIT);
	if (status >= 0 || errno != ENOENT)
		exit(status);

	argv[0] = tmp;

	strbuf_release(&cmd);
}
static void execv_dashed_external(const char **argv)
{
	struct strbuf cmd = STRBUF_INIT;
	const char *tmp;
	int status;

	strbuf_addf(&cmd, "perf-%s", argv[0]);

	tmp = argv[0];
	argv[0] = cmd.buf;

	status = run_command_v_opt(argv, 0);
	if (status != -ERR_RUN_COMMAND_EXEC) {
		if (IS_RUN_COMMAND_ERR(status))
			die("unable to run '%s'", argv[0]);
		exit(-status);
	}
	errno = ENOENT; 

	argv[0] = tmp;

	strbuf_release(&cmd);
}
示例#10
0
static int sequencer_skip(struct replay_opts *opts)
{
	const char *argv[3]; /* reset --hard + NULL */
	struct string_list merge_rr = STRING_LIST_INIT_DUP;
	int ret;

	if (setup_rerere(&merge_rr, 0) >= 0) {
		rerere_clear(&merge_rr);
		string_list_clear(&merge_rr, 1);
	}

	argv[0] = "reset";
	argv[1] = "--hard";
	argv[2] = NULL;
	ret = run_command_v_opt(argv, RUN_GIT_CMD);
	if (ret)
		return ret;

	discard_cache();
	read_cache();

	return sequencer_continue(opts, 1);
}
示例#11
0
static void execv_dashed_external(const char **argv)
{
	char *cmd;
	const char *tmp;
	int status;

	if (asprintf(&cmd, "perf-%s", argv[0]) < 0)
		goto do_die;

	/*
	 * argv[0] must be the perf command, but the argv array
	 * belongs to the caller, and may be reused in
	 * subsequent loop iterations. Save argv[0] and
	 * restore it on error.
	 */
	tmp = argv[0];
	argv[0] = cmd;

	/*
	 * if we fail because the command is not found, it is
	 * OK to return. Otherwise, we just pass along the status code.
	 */
	status = run_command_v_opt(argv, 0);
	if (status != -ERR_RUN_COMMAND_EXEC) {
		if (IS_RUN_COMMAND_ERR(status)) {
do_die:
			pr_err("FATAL: unable to run '%s'", argv[0]);
			status = -128;
		}
		exit(-status);
	}
	errno = ENOENT; /* as if we called execvp */

	argv[0] = tmp;
	zfree(&cmd);
}
示例#12
0
static int merge_entry(int pos, const char *path)
{
	int found;
	const char *arguments[] = { pgm, "", "", "", path, "", "", "", NULL };
	char hexbuf[4][GIT_SHA1_HEXSZ + 1];
	char ownbuf[4][60];

	if (pos >= active_nr)
		die("git merge-index: %s not in the cache", path);
	found = 0;
	do {
		const struct cache_entry *ce = active_cache[pos];
		int stage = ce_stage(ce);

		if (strcmp(ce->name, path))
			break;
		found++;
		oid_to_hex_r(hexbuf[stage], &ce->oid);
		xsnprintf(ownbuf[stage], sizeof(ownbuf[stage]), "%o", ce->ce_mode);
		arguments[stage] = hexbuf[stage];
		arguments[stage + 4] = ownbuf[stage];
	} while (++pos < active_nr);
	if (!found)
		die("git merge-index: %s not in the cache", path);

	if (run_command_v_opt(arguments, 0)) {
		if (one_shot)
			err++;
		else {
			if (!quiet)
				die("merge program failed");
			exit(1);
		}
	}
	return found;
}
示例#13
0
static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet)
{
	int i = 0;
	const char *args[6];

	args[i++] = "read-tree";
	if (!quiet)
		args[i++] = "-v";
	switch (reset_type) {
	case MERGE:
		args[i++] = "-u";
		args[i++] = "-m";
		break;
	case HARD:
		args[i++] = "-u";
		/* fallthrough */
	default:
		args[i++] = "--reset";
	}
	args[i++] = sha1_to_hex(sha1);
	args[i] = NULL;

	return run_command_v_opt(args, RUN_GIT_CMD);
}
示例#14
0
/*
 * If we are cherry-pick, and if the merge did not result in
 * hand-editing, we will hit this commit and inherit the original
 * author date and name.
 * If we are revert, or if our cherry-pick results in a hand merge,
 * we had better say that the current user is responsible for that.
 */
static int run_git_commit(const char *defmsg, struct replay_opts *opts,
			  int allow_empty)
{
	struct argv_array array;
	int rc;
	char *gpg_sign;

	argv_array_init(&array);
	argv_array_push(&array, "commit");
	argv_array_push(&array, "-n");
	if (opts->quiet)
		argv_array_push(&array, "-q");

	if (opts->gpg_sign) {
		gpg_sign = xmalloc(3 + strlen(opts->gpg_sign));
		sprintf(gpg_sign, "-S%s", opts->gpg_sign);
		argv_array_push(&array, gpg_sign);
		free(gpg_sign);
	}
	if (opts->signoff)
		argv_array_push(&array, "-s");
	if (!opts->edit) {
		argv_array_push(&array, "-F");
		argv_array_push(&array, defmsg);
	}

	if (allow_empty)
		argv_array_push(&array, "--allow-empty");

	if (opts->allow_empty_message)
		argv_array_push(&array, "--allow-empty-message");

	rc = run_command_v_opt(array.argv, RUN_GIT_CMD);
	argv_array_clear(&array);
	return rc;
}
示例#15
0
文件: gc.c 项目: 7sOddities/git
int cmd_gc(int argc, const char **argv, const char *prefix)
{
	int aggressive = 0;
	int auto_gc = 0;
	int quiet = 0;
	int force = 0;
	const char *name;
	pid_t pid;

	struct option builtin_gc_options[] = {
		OPT__QUIET(&quiet, N_("suppress progress reporting")),
		{ OPTION_STRING, 0, "prune", &prune_expire, N_("date"),
			N_("prune unreferenced objects"),
			PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
		OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")),
		OPT_BOOL(0, "auto", &auto_gc, N_("enable auto-gc mode")),
		OPT_BOOL(0, "force", &force, N_("force running gc even if there may be another gc running")),
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
	argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
	argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
	argv_array_pushl(&prune, "prune", "--expire", NULL );
	argv_array_pushl(&rerere, "rerere", "gc", NULL);

	git_config(gc_config, NULL);

	if (pack_refs < 0)
		pack_refs = !is_bare_repository();

	argc = parse_options(argc, argv, prefix, builtin_gc_options,
			     builtin_gc_usage, 0);
	if (argc > 0)
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	if (aggressive) {
		argv_array_push(&repack, "-f");
		argv_array_push(&repack, "--depth=250");
		if (aggressive_window > 0)
			argv_array_pushf(&repack, "--window=%d", aggressive_window);
	}
	if (quiet)
		argv_array_push(&repack, "-q");

	if (auto_gc) {
		/*
		 * Auto-gc should be least intrusive as possible.
		 */
		if (!need_to_gc())
			return 0;
		if (!quiet)
			fprintf(stderr,
					_("Auto packing the repository for optimum performance. You may also\n"
					"run \"git gc\" manually. See "
					"\"git help gc\" for more information.\n"));
	} else
		add_repack_all_option();

	name = lock_repo_for_gc(force, &pid);
	if (name) {
		if (auto_gc)
			return 0; /* be quiet on --auto */
		die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"),
		    name, (uintmax_t)pid);
	}

	if (pack_refs && run_command_v_opt(pack_refs_cmd.argv, RUN_GIT_CMD))
		return error(FAILED_RUN, pack_refs_cmd.argv[0]);

	if (run_command_v_opt(reflog.argv, RUN_GIT_CMD))
		return error(FAILED_RUN, reflog.argv[0]);

	if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
		return error(FAILED_RUN, repack.argv[0]);

	if (prune_expire) {
		argv_array_push(&prune, prune_expire);
		if (quiet)
			argv_array_push(&prune, "--no-progress");
		if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
			return error(FAILED_RUN, prune.argv[0]);
	}

	if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
		return error(FAILED_RUN, rerere.argv[0]);

	if (auto_gc && too_many_loose_objects())
		warning(_("There are too many unreachable loose objects; "
			"run 'git prune' to remove them."));

	return 0;
}
示例#16
0
static const char *unpack(void)
{
	struct pack_header hdr;
	const char *hdr_err;
	char hdr_arg[38];

	hdr_err = parse_pack_header(&hdr);
	if (hdr_err)
		return hdr_err;
	snprintf(hdr_arg, sizeof(hdr_arg),
			"--pack_header=%"PRIu32",%"PRIu32,
			ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries));

	if (ntohl(hdr.hdr_entries) < unpack_limit) {
		int code, i = 0;
		const char *unpacker[4];
		unpacker[i++] = "unpack-objects";
		if (receive_fsck_objects)
			unpacker[i++] = "--strict";
		unpacker[i++] = hdr_arg;
		unpacker[i++] = NULL;
		code = run_command_v_opt(unpacker, RUN_GIT_CMD);
		switch (code) {
		case 0:
			return NULL;
		case -ERR_RUN_COMMAND_FORK:
			return "unpack fork failed";
		case -ERR_RUN_COMMAND_EXEC:
			return "unpack execute failed";
		case -ERR_RUN_COMMAND_WAITPID:
			return "waitpid failed";
		case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
			return "waitpid is confused";
		case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
			return "unpacker died of signal";
		case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
			return "unpacker died strangely";
		default:
			return "unpacker exited with error code";
		}
	} else {
		const char *keeper[7];
		int s, status, i = 0;
		char keep_arg[256];
		struct child_process ip;

		s = sprintf(keep_arg, "--keep=receive-pack %"PRIuMAX" on ", (uintmax_t) getpid());
		if (gethostname(keep_arg + s, sizeof(keep_arg) - s))
			strcpy(keep_arg + s, "localhost");

		keeper[i++] = "index-pack";
		keeper[i++] = "--stdin";
		if (receive_fsck_objects)
			keeper[i++] = "--strict";
		keeper[i++] = "--fix-thin";
		keeper[i++] = hdr_arg;
		keeper[i++] = keep_arg;
		keeper[i++] = NULL;
		memset(&ip, 0, sizeof(ip));
		ip.argv = keeper;
		ip.out = -1;
		ip.git_cmd = 1;
		if (start_command(&ip))
			return "index-pack fork failed";
		pack_lockfile = index_pack_lockfile(ip.out);
		close(ip.out);
		status = finish_command(&ip);
		if (!status) {
			reprepare_packed_git();
			return NULL;
		}
		return "index-pack abnormal exit";
	}
}
示例#17
0
文件: git.c 项目: 4dn-oss/git
static int handle_alias(int *argcp, const char ***argv)
{
	int envchanged = 0, ret = 0, saved_errno = errno;
	const char *subdir;
	int count, option_count;
	const char **new_argv;
	const char *alias_command;
	char *alias_string;
	int unused_nongit;

	subdir = setup_git_directory_gently(&unused_nongit);

	alias_command = (*argv)[0];
	alias_string = alias_lookup(alias_command);
	if (alias_string) {
		if (alias_string[0] == '!') {
			const char **alias_argv;
			int argc = *argcp, i;

			commit_pager_choice();

			/* build alias_argv */
			alias_argv = xmalloc(sizeof(*alias_argv) * (argc + 1));
			alias_argv[0] = alias_string + 1;
			for (i = 1; i < argc; ++i)
				alias_argv[i] = (*argv)[i];
			alias_argv[argc] = NULL;

			ret = run_command_v_opt(alias_argv, RUN_USING_SHELL);
			if (ret >= 0)   /* normal exit */
				exit(ret);

			die_errno("While expanding alias '%s': '%s'",
			    alias_command, alias_string + 1);
		}
		count = split_cmdline(alias_string, &new_argv);
		if (count < 0)
			die("Bad alias.%s string: %s", alias_command,
			    split_cmdline_strerror(count));
		option_count = handle_options(&new_argv, &count, &envchanged);
		if (envchanged)
			die("alias '%s' changes environment variables\n"
				 "You can use '!git' in the alias to do this.",
				 alias_command);
		memmove(new_argv - option_count, new_argv,
				count * sizeof(char *));
		new_argv -= option_count;

		if (count < 1)
			die("empty alias for %s", alias_command);

		if (!strcmp(alias_command, new_argv[0]))
			die("recursive alias: %s", alias_command);

		trace_argv_printf(new_argv,
				  "trace: alias expansion: %s =>",
				  alias_command);

		new_argv = xrealloc(new_argv, sizeof(char *) *
				    (count + *argcp));
		/* insert after command name */
		memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);

		*argv = new_argv;
		*argcp += count - 1;

		ret = 1;
	}

	if (subdir && chdir(subdir))
		die_errno("Cannot change to '%s'", subdir);

	errno = saved_errno;

	return ret;
}
示例#18
0
文件: gc.c 项目: Barklad/first_app
int cmd_gc(int argc, const char **argv, const char *prefix)
{
	int aggressive = 0;
	int auto_gc = 0;
	int quiet = 0;
	char buf[80];

	struct option builtin_gc_options[] = {
		OPT__QUIET(&quiet, "suppress progress reporting"),
		{ OPTION_STRING, 0, "prune", &prune_expire, "date",
			"prune unreferenced objects",
			PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
		OPT_BOOLEAN(0, "aggressive", &aggressive, "be more thorough (increased runtime)"),
		OPT_BOOLEAN(0, "auto", &auto_gc, "enable auto-gc mode"),
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	git_config(gc_config, NULL);

	if (pack_refs < 0)
		pack_refs = !is_bare_repository();

	argc = parse_options(argc, argv, prefix, builtin_gc_options,
			     builtin_gc_usage, 0);
	if (argc > 0)
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	if (aggressive) {
		append_option(argv_repack, "-f", MAX_ADD);
		append_option(argv_repack, "--depth=250", MAX_ADD);
		if (aggressive_window > 0) {
			sprintf(buf, "--window=%d", aggressive_window);
			append_option(argv_repack, buf, MAX_ADD);
		}
	}
	if (quiet)
		append_option(argv_repack, "-q", MAX_ADD);

	if (auto_gc) {
		/*
		 * Auto-gc should be least intrusive as possible.
		 */
		if (!need_to_gc())
			return 0;
		fprintf(stderr,
			"Auto packing the repository for optimum performance.%s\n",
			quiet
			? ""
			: (" You may also\n"
			   "run \"git gc\" manually. See "
			   "\"git help gc\" for more information."));
	} else
		append_option(argv_repack,
			      prune_expire && !strcmp(prune_expire, "now")
			      ? "-a" : "-A",
			      MAX_ADD);

	if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_pack_refs[0]);

	if (run_command_v_opt(argv_reflog, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_reflog[0]);

	if (run_command_v_opt(argv_repack, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_repack[0]);

	if (prune_expire) {
		argv_prune[2] = prune_expire;
		if (run_command_v_opt(argv_prune, RUN_GIT_CMD))
			return error(FAILED_RUN, argv_prune[0]);
	}

	if (run_command_v_opt(argv_rerere, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_rerere[0]);

	if (auto_gc && too_many_loose_objects())
		warning("There are too many unreachable loose objects; "
			"run 'git prune' to remove them.");

	return 0;
}
示例#19
0
文件: gc.c 项目: 9b/git
int cmd_gc(int argc, const char **argv, const char *prefix)
{
	int aggressive = 0;
	int auto_gc = 0;
	int quiet = 0;
	int force = 0;
	const char *name;
	pid_t pid;
	int daemonized = 0;

	struct option builtin_gc_options[] = {
		OPT__QUIET(&quiet, N_("suppress progress reporting")),
		{ OPTION_STRING, 0, "prune", &prune_expire, N_("date"),
			N_("prune unreferenced objects"),
			PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
		OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")),
		OPT_BOOL(0, "auto", &auto_gc, N_("enable auto-gc mode")),
		OPT_BOOL(0, "force", &force, N_("force running gc even if there may be another gc running")),
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
	argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
	argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
	argv_array_pushl(&prune, "prune", "--expire", NULL);
	argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
	argv_array_pushl(&rerere, "rerere", "gc", NULL);

	gc_config();

	if (pack_refs < 0)
		pack_refs = !is_bare_repository();

	argc = parse_options(argc, argv, prefix, builtin_gc_options,
			     builtin_gc_usage, 0);
	if (argc > 0)
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	if (aggressive) {
		argv_array_push(&repack, "-f");
		if (aggressive_depth > 0)
			argv_array_pushf(&repack, "--depth=%d", aggressive_depth);
		if (aggressive_window > 0)
			argv_array_pushf(&repack, "--window=%d", aggressive_window);
	}
	if (quiet)
		argv_array_push(&repack, "-q");

	if (auto_gc) {
		/*
		 * Auto-gc should be least intrusive as possible.
		 */
		if (!need_to_gc())
			return 0;
		if (!quiet) {
			if (detach_auto)
				fprintf(stderr, _("Auto packing the repository in background for optimum performance.\n"));
			else
				fprintf(stderr, _("Auto packing the repository for optimum performance.\n"));
			fprintf(stderr, _("See \"git help gc\" for manual housekeeping.\n"));
		}
		if (detach_auto) {
			if (report_last_gc_error())
				return -1;

			if (gc_before_repack())
				return -1;
			/*
			 * failure to daemonize is ok, we'll continue
			 * in foreground
			 */
			daemonized = !daemonize();
		}
	} else
		add_repack_all_option();

	name = lock_repo_for_gc(force, &pid);
	if (name) {
		if (auto_gc)
			return 0; /* be quiet on --auto */
		die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"),
		    name, (uintmax_t)pid);
	}

	if (daemonized) {
		hold_lock_file_for_update(&log_lock,
					  git_path("gc.log"),
					  LOCK_DIE_ON_ERROR);
		dup2(get_lock_file_fd(&log_lock), 2);
		sigchain_push_common(process_log_file_on_signal);
		atexit(process_log_file_at_exit);
	}

	if (gc_before_repack())
		return -1;

	if (!repository_format_precious_objects) {
		if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
			return error(FAILED_RUN, repack.argv[0]);

		if (prune_expire) {
			argv_array_push(&prune, prune_expire);
			if (quiet)
				argv_array_push(&prune, "--no-progress");
			if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
				return error(FAILED_RUN, prune.argv[0]);
		}
	}

	if (prune_worktrees_expire) {
		argv_array_push(&prune_worktrees, prune_worktrees_expire);
		if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD))
			return error(FAILED_RUN, prune_worktrees.argv[0]);
	}

	if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
		return error(FAILED_RUN, rerere.argv[0]);

	report_garbage = report_pack_garbage;
	reprepare_packed_git();
	if (pack_garbage.nr > 0)
		clean_pack_garbage();

	if (auto_gc && too_many_loose_objects())
		warning(_("There are too many unreachable loose objects; "
			"run 'git prune' to remove them."));

	return 0;
}
示例#20
0
文件: gc.c 项目: MichaelBlume/git
int cmd_gc(int argc, const char **argv, const char *prefix)
{
	int aggressive = 0;
	int auto_gc = 0;
	int quiet = 0;
	int force = 0;
	const char *name;
	pid_t pid;
	int daemonized = 0;
	int keep_base_pack = -1;
	timestamp_t dummy;

	struct option builtin_gc_options[] = {
		OPT__QUIET(&quiet, N_("suppress progress reporting")),
		{ OPTION_STRING, 0, "prune", &prune_expire, N_("date"),
			N_("prune unreferenced objects"),
			PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
		OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")),
		OPT_BOOL_F(0, "auto", &auto_gc, N_("enable auto-gc mode"),
			   PARSE_OPT_NOCOMPLETE),
		OPT_BOOL_F(0, "force", &force,
			   N_("force running gc even if there may be another gc running"),
			   PARSE_OPT_NOCOMPLETE),
		OPT_BOOL(0, "keep-largest-pack", &keep_base_pack,
			 N_("repack all other packs except the largest pack")),
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
	argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
	argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
	argv_array_pushl(&prune, "prune", "--expire", NULL);
	argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
	argv_array_pushl(&rerere, "rerere", "gc", NULL);

	/* default expiry time, overwritten in gc_config */
	gc_config();
	if (parse_expiry_date(gc_log_expire, &gc_log_expire_time))
		die(_("failed to parse gc.logexpiry value %s"), gc_log_expire);

	if (pack_refs < 0)
		pack_refs = !is_bare_repository();

	argc = parse_options(argc, argv, prefix, builtin_gc_options,
			     builtin_gc_usage, 0);
	if (argc > 0)
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	if (prune_expire && parse_expiry_date(prune_expire, &dummy))
		die(_("failed to parse prune expiry value %s"), prune_expire);

	if (aggressive) {
		argv_array_push(&repack, "-f");
		if (aggressive_depth > 0)
			argv_array_pushf(&repack, "--depth=%d", aggressive_depth);
		if (aggressive_window > 0)
			argv_array_pushf(&repack, "--window=%d", aggressive_window);
	}
	if (quiet)
		argv_array_push(&repack, "-q");

	if (auto_gc) {
		/*
		 * Auto-gc should be least intrusive as possible.
		 */
		if (!need_to_gc())
			return 0;
		if (!quiet) {
			if (detach_auto)
				fprintf(stderr, _("Auto packing the repository in background for optimum performance.\n"));
			else
				fprintf(stderr, _("Auto packing the repository for optimum performance.\n"));
			fprintf(stderr, _("See \"git help gc\" for manual housekeeping.\n"));
		}
		if (detach_auto) {
			int ret = report_last_gc_error();
			if (ret < 0)
				/* an I/O error occured, already reported */
				exit(128);
			if (ret == 1)
				/* Last gc --auto failed. Skip this one. */
				return 0;

			if (lock_repo_for_gc(force, &pid))
				return 0;
			gc_before_repack(); /* dies on failure */
			delete_tempfile(&pidfile);

			/*
			 * failure to daemonize is ok, we'll continue
			 * in foreground
			 */
			daemonized = !daemonize();
		}
	} else {
		struct string_list keep_pack = STRING_LIST_INIT_NODUP;

		if (keep_base_pack != -1) {
			if (keep_base_pack)
				find_base_packs(&keep_pack, 0);
		} else if (big_pack_threshold) {
			find_base_packs(&keep_pack, big_pack_threshold);
		}

		add_repack_all_option(&keep_pack);
		string_list_clear(&keep_pack, 0);
	}

	name = lock_repo_for_gc(force, &pid);
	if (name) {
		if (auto_gc)
			return 0; /* be quiet on --auto */
		die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"),
		    name, (uintmax_t)pid);
	}

	if (daemonized) {
		hold_lock_file_for_update(&log_lock,
					  git_path("gc.log"),
					  LOCK_DIE_ON_ERROR);
		dup2(get_lock_file_fd(&log_lock), 2);
		sigchain_push_common(process_log_file_on_signal);
		atexit(process_log_file_at_exit);
	}

	gc_before_repack();

	if (!repository_format_precious_objects) {
		close_all_packs(the_repository->objects);
		if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
			die(FAILED_RUN, repack.argv[0]);

		if (prune_expire) {
			argv_array_push(&prune, prune_expire);
			if (quiet)
				argv_array_push(&prune, "--no-progress");
			if (repository_format_partial_clone)
				argv_array_push(&prune,
						"--exclude-promisor-objects");
			if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
				die(FAILED_RUN, prune.argv[0]);
		}
	}

	if (prune_worktrees_expire) {
		argv_array_push(&prune_worktrees, prune_worktrees_expire);
		if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD))
			die(FAILED_RUN, prune_worktrees.argv[0]);
	}

	if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
		die(FAILED_RUN, rerere.argv[0]);

	report_garbage = report_pack_garbage;
	reprepare_packed_git(the_repository);
	if (pack_garbage.nr > 0)
		clean_pack_garbage();

	if (gc_write_commit_graph)
		write_commit_graph_reachable(get_object_directory(), 0,
					     !quiet && !daemonized);

	if (auto_gc && too_many_loose_objects())
		warning(_("There are too many unreachable loose objects; "
			"run 'git prune' to remove them."));

	if (!daemonized)
		unlink(git_path("gc.log"));

	return 0;
}
示例#21
0
int cmd_clone(int argc, const char **argv, const char *prefix)
{
	int is_bundle = 0;
	struct stat buf;
	const char *repo_name, *repo, *work_tree, *git_dir;
	char *path, *dir;
	int dest_exists;
	const struct ref *refs, *remote_head;
	const struct ref *remote_head_points_at;
	const struct ref *our_head_points_at;
	struct ref *mapped_refs;
	struct strbuf key = STRBUF_INIT, value = STRBUF_INIT;
	struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT;
	struct transport *transport = NULL;
	char *src_ref_prefix = "refs/heads/";
	int err = 0;

	struct refspec *refspec;
	const char *fetch_pattern;

	junk_pid = getpid();

	argc = parse_options(argc, argv, prefix, builtin_clone_options,
			     builtin_clone_usage, 0);

	if (argc > 2)
		usage_msg_opt("Too many arguments.",
			builtin_clone_usage, builtin_clone_options);

	if (argc == 0)
		usage_msg_opt("You must specify a repository to clone.",
			builtin_clone_usage, builtin_clone_options);

	if (option_mirror)
		option_bare = 1;

	if (option_bare) {
		if (option_origin)
			die("--bare and --origin %s options are incompatible.",
			    option_origin);
		option_no_checkout = 1;
	}

	if (!option_origin)
		option_origin = "origin";

	repo_name = argv[0];

	path = get_repo_path(repo_name, &is_bundle);
	if (path)
		repo = xstrdup(make_nonrelative_path(repo_name));
	else if (!strchr(repo_name, ':'))
		repo = xstrdup(make_absolute_path(repo_name));
	else
		repo = repo_name;

	if (argc == 2)
		dir = xstrdup(argv[1]);
	else
		dir = guess_dir_name(repo_name, is_bundle, option_bare);
	strip_trailing_slashes(dir);

	dest_exists = !stat(dir, &buf);
	if (dest_exists && !is_empty_dir(dir))
		die("destination path '%s' already exists and is not "
			"an empty directory.", dir);

	strbuf_addf(&reflog_msg, "clone: from %s", repo);

	if (option_bare)
		work_tree = NULL;
	else {
		work_tree = getenv("GIT_WORK_TREE");
		if (work_tree && !stat(work_tree, &buf))
			die("working tree '%s' already exists.", work_tree);
	}

	if (option_bare || work_tree)
		git_dir = xstrdup(dir);
	else {
		work_tree = dir;
		git_dir = xstrdup(mkpath("%s/.git", dir));
	}

	if (!option_bare) {
		junk_work_tree = work_tree;
		if (safe_create_leading_directories_const(work_tree) < 0)
			die_errno("could not create leading directories of '%s'",
				  work_tree);
		if (!dest_exists && mkdir(work_tree, 0755))
			die_errno("could not create work tree dir '%s'.",
				  work_tree);
		set_git_work_tree(work_tree);
	}
	junk_git_dir = git_dir;
	atexit(remove_junk);
	sigchain_push_common(remove_junk_on_signal);

	setenv(CONFIG_ENVIRONMENT, mkpath("%s/config", git_dir), 1);

	if (safe_create_leading_directories_const(git_dir) < 0)
		die("could not create leading directories of '%s'", git_dir);
	set_git_dir(make_absolute_path(git_dir));

	init_db(option_template, option_quiet ? INIT_DB_QUIET : 0);

	/*
	 * At this point, the config exists, so we do not need the
	 * environment variable.  We actually need to unset it, too, to
	 * re-enable parsing of the global configs.
	 */
	unsetenv(CONFIG_ENVIRONMENT);

	if (option_reference)
		setup_reference(git_dir);

	git_config(git_default_config, NULL);

	if (option_bare) {
		if (option_mirror)
			src_ref_prefix = "refs/";
		strbuf_addstr(&branch_top, src_ref_prefix);

		git_config_set("core.bare", "true");
	} else {
		strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin);
	}

	strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top.buf);

	if (option_mirror || !option_bare) {
		/* Configure the remote */
		strbuf_addf(&key, "remote.%s.fetch", option_origin);
		git_config_set_multivar(key.buf, value.buf, "^$", 0);
		strbuf_reset(&key);

		if (option_mirror) {
			strbuf_addf(&key, "remote.%s.mirror", option_origin);
			git_config_set(key.buf, "true");
			strbuf_reset(&key);
		}

		strbuf_addf(&key, "remote.%s.url", option_origin);
		git_config_set(key.buf, repo);
		strbuf_reset(&key);
	}

	fetch_pattern = value.buf;
	refspec = parse_fetch_refspec(1, &fetch_pattern);

	strbuf_reset(&value);

	if (path && !is_bundle) {
		refs = clone_local(path, git_dir);
		mapped_refs = wanted_peer_refs(refs, refspec);
	} else {
		struct remote *remote = remote_get(argv[0]);
		transport = transport_get(remote, remote->url[0]);

		if (!transport->get_refs_list || !transport->fetch)
			die("Don't know how to clone %s", transport->url);

		transport_set_option(transport, TRANS_OPT_KEEP, "yes");

		if (option_depth)
			transport_set_option(transport, TRANS_OPT_DEPTH,
					     option_depth);

		if (option_quiet)
			transport->verbose = -1;
		else if (option_verbose)
			transport->verbose = 1;

		if (option_progress)
			transport->progress = 1;

		if (option_upload_pack)
			transport_set_option(transport, TRANS_OPT_UPLOADPACK,
					     option_upload_pack);

		refs = transport_get_remote_refs(transport);
		if (refs) {
			mapped_refs = wanted_peer_refs(refs, refspec);
			transport_fetch_refs(transport, mapped_refs);
		}
	}

	if (refs) {
		clear_extra_refs();

		write_remote_refs(mapped_refs);

		remote_head = find_ref_by_name(refs, "HEAD");
		remote_head_points_at =
			guess_remote_head(remote_head, mapped_refs, 0);

		if (option_branch) {
			struct strbuf head = STRBUF_INIT;
			strbuf_addstr(&head, src_ref_prefix);
			strbuf_addstr(&head, option_branch);
			our_head_points_at =
				find_ref_by_name(mapped_refs, head.buf);
			strbuf_release(&head);

			if (!our_head_points_at) {
				warning("Remote branch %s not found in "
					"upstream %s, using HEAD instead",
					option_branch, option_origin);
				our_head_points_at = remote_head_points_at;
			}
		}
		else
			our_head_points_at = remote_head_points_at;
	}
	else {
		warning("You appear to have cloned an empty repository.");
		our_head_points_at = NULL;
		remote_head_points_at = NULL;
		remote_head = NULL;
		option_no_checkout = 1;
		if (!option_bare)
			install_branch_config(0, "master", option_origin,
					      "refs/heads/master");
	}

	if (remote_head_points_at && !option_bare) {
		struct strbuf head_ref = STRBUF_INIT;
		strbuf_addstr(&head_ref, branch_top.buf);
		strbuf_addstr(&head_ref, "HEAD");
		create_symref(head_ref.buf,
			      remote_head_points_at->peer_ref->name,
			      reflog_msg.buf);
	}

	if (our_head_points_at) {
		/* Local default branch link */
		create_symref("HEAD", our_head_points_at->name, NULL);
		if (!option_bare) {
			const char *head = skip_prefix(our_head_points_at->name,
						       "refs/heads/");
			update_ref(reflog_msg.buf, "HEAD",
				   our_head_points_at->old_sha1,
				   NULL, 0, DIE_ON_ERR);
			install_branch_config(0, head, option_origin,
					      our_head_points_at->name);
		}
	} else if (remote_head) {
		/* Source had detached HEAD pointing somewhere. */
		if (!option_bare) {
			update_ref(reflog_msg.buf, "HEAD",
				   remote_head->old_sha1,
				   NULL, REF_NODEREF, DIE_ON_ERR);
			our_head_points_at = remote_head;
		}
	} else {
		/* Nothing to checkout out */
		if (!option_no_checkout)
			warning("remote HEAD refers to nonexistent ref, "
				"unable to checkout.\n");
		option_no_checkout = 1;
	}

	if (transport) {
		transport_unlock_pack(transport);
		transport_disconnect(transport);
	}

	if (!option_no_checkout) {
		struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
		struct unpack_trees_options opts;
		struct tree *tree;
		struct tree_desc t;
		int fd;

		/* We need to be in the new work tree for the checkout */
		setup_work_tree();

		fd = hold_locked_index(lock_file, 1);

		memset(&opts, 0, sizeof opts);
		opts.update = 1;
		opts.merge = 1;
		opts.fn = oneway_merge;
		opts.verbose_update = !option_quiet;
		opts.src_index = &the_index;
		opts.dst_index = &the_index;

		tree = parse_tree_indirect(our_head_points_at->old_sha1);
		parse_tree(tree);
		init_tree_desc(&t, tree->buffer, tree->size);
		unpack_trees(1, &t, &opts);

		if (write_cache(fd, active_cache, active_nr) ||
		    commit_locked_index(lock_file))
			die("unable to write new index file");

		err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1),
				sha1_to_hex(our_head_points_at->old_sha1), "1",
				NULL);

		if (!err && option_recursive)
			err = run_command_v_opt(argv_submodule, RUN_GIT_CMD);
	}

	strbuf_release(&reflog_msg);
	strbuf_release(&branch_top);
	strbuf_release(&key);
	strbuf_release(&value);
	junk_pid = 0;
	return err;
}
示例#22
0
文件: builtin-merge.c 项目: samv/git
static int try_merge_strategy(const char *strategy, struct commit_list *common,
			      const char *head_arg)
{
	const char **args;
	int i = 0, ret;
	struct commit_list *j;
	struct strbuf buf = STRBUF_INIT;
	int index_fd;
	struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));

	index_fd = hold_locked_index(lock, 1);
	refresh_cache(REFRESH_QUIET);
	if (active_cache_changed &&
			(write_cache(index_fd, active_cache, active_nr) ||
			 commit_locked_index(lock)))
		return error("Unable to write index.");
	rollback_lock_file(lock);

	if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) {
		int clean;
		struct commit *result;
		struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
		int index_fd;
		struct commit_list *reversed = NULL;
		struct merge_options o;

		if (remoteheads->next) {
			error("Not handling anything other than two heads merge.");
			return 2;
		}

		init_merge_options(&o);
		if (!strcmp(strategy, "subtree"))
			o.subtree_merge = 1;

		o.branch1 = head_arg;
		o.branch2 = remoteheads->item->util;

		for (j = common; j; j = j->next)
			commit_list_insert(j->item, &reversed);

		index_fd = hold_locked_index(lock, 1);
		clean = merge_recursive(&o, lookup_commit(head),
				remoteheads->item, reversed, &result);
		if (active_cache_changed &&
				(write_cache(index_fd, active_cache, active_nr) ||
				 commit_locked_index(lock)))
			die ("unable to write %s", get_index_file());
		rollback_lock_file(lock);
		return clean ? 0 : 1;
	} else {
		args = xmalloc((4 + commit_list_count(common) +
					commit_list_count(remoteheads)) * sizeof(char *));
		strbuf_addf(&buf, "merge-%s", strategy);
		args[i++] = buf.buf;
		for (j = common; j; j = j->next)
			args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1));
		args[i++] = "--";
		args[i++] = head_arg;
		for (j = remoteheads; j; j = j->next)
			args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1));
		args[i] = NULL;
		ret = run_command_v_opt(args, RUN_GIT_CMD);
		strbuf_release(&buf);
		i = 1;
		for (j = common; j; j = j->next)
			free((void *)args[i++]);
		i += 2;
		for (j = remoteheads; j; j = j->next)
			free((void *)args[i++]);
		free(args);
		discard_cache();
		if (read_cache() < 0)
			die("failed to read the cache");
		return ret;
	}
}
示例#23
0
static const char *unpack(void)
{
	struct pack_header hdr;
	const char *hdr_err;
	char hdr_arg[38];
	int fsck_objects = (receive_fsck_objects >= 0
			    ? receive_fsck_objects
			    : transfer_fsck_objects >= 0
			    ? transfer_fsck_objects
			    : 0);

	hdr_err = parse_pack_header(&hdr);
	if (hdr_err)
		return hdr_err;
	snprintf(hdr_arg, sizeof(hdr_arg),
			"--pack_header=%"PRIu32",%"PRIu32,
			ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries));

	if (ntohl(hdr.hdr_entries) < unpack_limit) {
		int code, i = 0;
		const char *unpacker[4];
		unpacker[i++] = "unpack-objects";
		if (fsck_objects)
			unpacker[i++] = "--strict";
		unpacker[i++] = hdr_arg;
		unpacker[i++] = NULL;
		code = run_command_v_opt(unpacker, RUN_GIT_CMD);
		if (!code)
			return NULL;
		return "unpack-objects abnormal exit";
	} else {
		const char *keeper[7];
		int s, status, i = 0;
		char keep_arg[256];
		struct child_process ip;

		s = sprintf(keep_arg, "--keep=receive-pack %"PRIuMAX" on ", (uintmax_t) getpid());
		if (gethostname(keep_arg + s, sizeof(keep_arg) - s))
			strcpy(keep_arg + s, "localhost");

		keeper[i++] = "index-pack";
		keeper[i++] = "--stdin";
		if (fsck_objects)
			keeper[i++] = "--strict";
		keeper[i++] = "--fix-thin";
		keeper[i++] = hdr_arg;
		keeper[i++] = keep_arg;
		keeper[i++] = NULL;
		memset(&ip, 0, sizeof(ip));
		ip.argv = keeper;
		ip.out = -1;
		ip.git_cmd = 1;
		status = start_command(&ip);
		if (status) {
			return "index-pack fork failed";
		}
		pack_lockfile = index_pack_lockfile(ip.out);
		close(ip.out);
		status = finish_command(&ip);
		if (!status) {
			reprepare_packed_git();
			return NULL;
		}
		return "index-pack abnormal exit";
	}
}
示例#24
0
int cmd_receive_pack(int argc, const char **argv, const char *prefix)
{
	int advertise_refs = 0;
	int stateless_rpc = 0;
	int i;
	char *dir = NULL;
	struct command *commands;

	packet_trace_identity("receive-pack");

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

		if (*arg == '-') {
			if (!strcmp(arg, "--advertise-refs")) {
				advertise_refs = 1;
				continue;
			}
			if (!strcmp(arg, "--stateless-rpc")) {
				stateless_rpc = 1;
				continue;
			}

			usage(receive_pack_usage);
		}
		if (dir)
			usage(receive_pack_usage);
		dir = xstrdup(arg);
	}
	if (!dir)
		usage(receive_pack_usage);

	setup_path();

	if (!enter_repo(dir, 0))
		die("'%s' does not appear to be a git repository", dir);

	if (is_repository_shallow())
		die("attempt to push into a shallow repository");

	git_config(receive_pack_config, NULL);

	if (0 <= transfer_unpack_limit)
		unpack_limit = transfer_unpack_limit;
	else if (0 <= receive_unpack_limit)
		unpack_limit = receive_unpack_limit;

	if (advertise_refs || !stateless_rpc) {
		write_head_info();
	}
	if (advertise_refs)
		return 0;

	if ((commands = read_head_info()) != NULL) {
		const char *unpack_status = NULL;

		if (!delete_only(commands))
			unpack_status = unpack();
		execute_commands(commands, unpack_status);
		if (pack_lockfile)
			unlink_or_warn(pack_lockfile);
		if (report_status)
			report(commands, unpack_status);
		run_receive_hook(commands, post_receive_hook, 1);
		run_update_post_hook(commands);
		if (auto_gc) {
			const char *argv_gc_auto[] = {
				"gc", "--auto", "--quiet", NULL,
			};
			run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
		}
		if (auto_update_server_info)
			update_server_info(0);
	}
	if (use_sideband)
		packet_flush(1);
	return 0;
}
示例#25
0
/*
 * User defined low-level merge driver support.
 */
static int ll_ext_merge(const struct ll_merge_driver *fn,
			mmbuffer_t *result,
			const char *path,
			mmfile_t *orig, const char *orig_name,
			mmfile_t *src1, const char *name1,
			mmfile_t *src2, const char *name2,
			const struct ll_merge_options *opts,
			int marker_size)
{
	char temp[4][50];
	struct strbuf cmd = STRBUF_INIT;
	struct strbuf_expand_dict_entry dict[6];
	struct strbuf path_sq = STRBUF_INIT;
	const char *args[] = { NULL, NULL };
	int status, fd, i;
	struct stat st;
	assert(opts);

	sq_quote_buf(&path_sq, path);
	dict[0].placeholder = "O"; dict[0].value = temp[0];
	dict[1].placeholder = "A"; dict[1].value = temp[1];
	dict[2].placeholder = "B"; dict[2].value = temp[2];
	dict[3].placeholder = "L"; dict[3].value = temp[3];
	dict[4].placeholder = "P"; dict[4].value = path_sq.buf;
	dict[5].placeholder = NULL; dict[5].value = NULL;

	if (fn->cmdline == NULL)
		die("custom merge driver %s lacks command line.", fn->name);

	result->ptr = NULL;
	result->size = 0;
	create_temp(orig, temp[0], sizeof(temp[0]));
	create_temp(src1, temp[1], sizeof(temp[1]));
	create_temp(src2, temp[2], sizeof(temp[2]));
	xsnprintf(temp[3], sizeof(temp[3]), "%d", marker_size);

	strbuf_expand(&cmd, fn->cmdline, strbuf_expand_dict_cb, &dict);

	args[0] = cmd.buf;
	status = run_command_v_opt(args, RUN_USING_SHELL);
	fd = open(temp[1], O_RDONLY);
	if (fd < 0)
		goto bad;
	if (fstat(fd, &st))
		goto close_bad;
	result->size = st.st_size;
	result->ptr = xmalloc(result->size + 1);
	if (read_in_full(fd, result->ptr, result->size) != result->size) {
		free(result->ptr);
		result->ptr = NULL;
		result->size = 0;
	}
 close_bad:
	close(fd);
 bad:
	for (i = 0; i < 3; i++)
		unlink_or_warn(temp[i]);
	strbuf_release(&cmd);
	strbuf_release(&path_sq);
	return status;
}
示例#26
0
static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
			int argc, const char **argv)
{
	char tmpdir[PATH_MAX];
	struct strbuf info = STRBUF_INIT, lpath = STRBUF_INIT;
	struct strbuf rpath = STRBUF_INIT, buf = STRBUF_INIT;
	struct strbuf ldir = STRBUF_INIT, rdir = STRBUF_INIT;
	struct strbuf wtdir = STRBUF_INIT;
	char *lbase_dir, *rbase_dir;
	size_t ldir_len, rdir_len, wtdir_len;
	const char *workdir, *tmp;
	int ret = 0, i;
	FILE *fp;
	struct hashmap working_tree_dups, submodules, symlinks2;
	struct hashmap_iter iter;
	struct pair_entry *entry;
	struct index_state wtindex;
	struct checkout lstate, rstate;
	int rc, flags = RUN_GIT_CMD, err = 0;
	struct child_process child = CHILD_PROCESS_INIT;
	const char *helper_argv[] = { "difftool--helper", NULL, NULL, NULL };
	struct hashmap wt_modified, tmp_modified;
	int indices_loaded = 0;

	workdir = get_git_work_tree();

	/* Setup temp directories */
	tmp = getenv("TMPDIR");
	xsnprintf(tmpdir, sizeof(tmpdir), "%s/git-difftool.XXXXXX", tmp ? tmp : "/tmp");
	if (!mkdtemp(tmpdir))
		return error("could not create '%s'", tmpdir);
	strbuf_addf(&ldir, "%s/left/", tmpdir);
	strbuf_addf(&rdir, "%s/right/", tmpdir);
	strbuf_addstr(&wtdir, workdir);
	if (!wtdir.len || !is_dir_sep(wtdir.buf[wtdir.len - 1]))
		strbuf_addch(&wtdir, '/');
	mkdir(ldir.buf, 0700);
	mkdir(rdir.buf, 0700);

	memset(&wtindex, 0, sizeof(wtindex));

	memset(&lstate, 0, sizeof(lstate));
	lstate.base_dir = lbase_dir = xstrdup(ldir.buf);
	lstate.base_dir_len = ldir.len;
	lstate.force = 1;
	memset(&rstate, 0, sizeof(rstate));
	rstate.base_dir = rbase_dir = xstrdup(rdir.buf);
	rstate.base_dir_len = rdir.len;
	rstate.force = 1;

	ldir_len = ldir.len;
	rdir_len = rdir.len;
	wtdir_len = wtdir.len;

	hashmap_init(&working_tree_dups,
		     (hashmap_cmp_fn)working_tree_entry_cmp, NULL, 0);
	hashmap_init(&submodules, (hashmap_cmp_fn)pair_cmp, NULL, 0);
	hashmap_init(&symlinks2, (hashmap_cmp_fn)pair_cmp, NULL, 0);

	child.no_stdin = 1;
	child.git_cmd = 1;
	child.use_shell = 0;
	child.clean_on_exit = 1;
	child.dir = prefix;
	child.out = -1;
	argv_array_pushl(&child.args, "diff", "--raw", "--no-abbrev", "-z",
			 NULL);
	for (i = 0; i < argc; i++)
		argv_array_push(&child.args, argv[i]);
	if (start_command(&child))
		die("could not obtain raw diff");
	fp = xfdopen(child.out, "r");

	/* Build index info for left and right sides of the diff */
	i = 0;
	while (!strbuf_getline_nul(&info, fp)) {
		int lmode, rmode;
		struct object_id loid, roid;
		char status;
		const char *src_path, *dst_path;

		if (starts_with(info.buf, "::"))
			die(N_("combined diff formats('-c' and '--cc') are "
			       "not supported in\n"
			       "directory diff mode('-d' and '--dir-diff')."));

		if (parse_index_info(info.buf, &lmode, &rmode, &loid, &roid,
				     &status))
			break;
		if (strbuf_getline_nul(&lpath, fp))
			break;
		src_path = lpath.buf;

		i++;
		if (status != 'C' && status != 'R') {
			dst_path = src_path;
		} else {
			if (strbuf_getline_nul(&rpath, fp))
				break;
			dst_path = rpath.buf;
		}

		if (S_ISGITLINK(lmode) || S_ISGITLINK(rmode)) {
			strbuf_reset(&buf);
			strbuf_addf(&buf, "Subproject commit %s",
				    oid_to_hex(&loid));
			add_left_or_right(&submodules, src_path, buf.buf, 0);
			strbuf_reset(&buf);
			strbuf_addf(&buf, "Subproject commit %s",
				    oid_to_hex(&roid));
			if (!oidcmp(&loid, &roid))
				strbuf_addstr(&buf, "-dirty");
			add_left_or_right(&submodules, dst_path, buf.buf, 1);
			continue;
		}

		if (S_ISLNK(lmode)) {
			char *content = get_symlink(&loid, src_path);
			add_left_or_right(&symlinks2, src_path, content, 0);
			free(content);
		}

		if (S_ISLNK(rmode)) {
			char *content = get_symlink(&roid, dst_path);
			add_left_or_right(&symlinks2, dst_path, content, 1);
			free(content);
		}

		if (lmode && status != 'C') {
			if (checkout_path(lmode, &loid, src_path, &lstate)) {
				ret = error("could not write '%s'", src_path);
				goto finish;
			}
		}

		if (rmode && !S_ISLNK(rmode)) {
			struct working_tree_entry *entry;

			/* Avoid duplicate working_tree entries */
			FLEX_ALLOC_STR(entry, path, dst_path);
			hashmap_entry_init(entry, strhash(dst_path));
			if (hashmap_get(&working_tree_dups, entry, NULL)) {
				free(entry);
				continue;
			}
			hashmap_add(&working_tree_dups, entry);

			if (!use_wt_file(workdir, dst_path, &roid)) {
				if (checkout_path(rmode, &roid, dst_path,
						  &rstate)) {
					ret = error("could not write '%s'",
						    dst_path);
					goto finish;
				}
			} else if (!is_null_oid(&roid)) {
				/*
				 * Changes in the working tree need special
				 * treatment since they are not part of the
				 * index.
				 */
				struct cache_entry *ce2 =
					make_cache_entry(rmode, roid.hash,
							 dst_path, 0, 0);

				add_index_entry(&wtindex, ce2,
						ADD_CACHE_JUST_APPEND);

				add_path(&rdir, rdir_len, dst_path);
				if (ensure_leading_directories(rdir.buf)) {
					ret = error("could not create "
						    "directory for '%s'",
						    dst_path);
					goto finish;
				}
				add_path(&wtdir, wtdir_len, dst_path);
				if (symlinks) {
					if (symlink(wtdir.buf, rdir.buf)) {
						ret = error_errno("could not symlink '%s' to '%s'", wtdir.buf, rdir.buf);
						goto finish;
					}
				} else {
					struct stat st;
					if (stat(wtdir.buf, &st))
						st.st_mode = 0644;
					if (copy_file(rdir.buf, wtdir.buf,
						      st.st_mode)) {
						ret = error("could not copy '%s' to '%s'", wtdir.buf, rdir.buf);
						goto finish;
					}
				}
			}
		}
	}

	fclose(fp);
	fp = NULL;
	if (finish_command(&child)) {
		ret = error("error occurred running diff --raw");
		goto finish;
	}

	if (!i)
		goto finish;

	/*
	 * Changes to submodules require special treatment.This loop writes a
	 * temporary file to both the left and right directories to show the
	 * change in the recorded SHA1 for the submodule.
	 */
	hashmap_iter_init(&submodules, &iter);
	while ((entry = hashmap_iter_next(&iter))) {
		if (*entry->left) {
			add_path(&ldir, ldir_len, entry->path);
			ensure_leading_directories(ldir.buf);
			write_file(ldir.buf, "%s", entry->left);
		}
		if (*entry->right) {
			add_path(&rdir, rdir_len, entry->path);
			ensure_leading_directories(rdir.buf);
			write_file(rdir.buf, "%s", entry->right);
		}
	}

	/*
	 * Symbolic links require special treatment.The standard "git diff"
	 * shows only the link itself, not the contents of the link target.
	 * This loop replicates that behavior.
	 */
	hashmap_iter_init(&symlinks2, &iter);
	while ((entry = hashmap_iter_next(&iter))) {
		if (*entry->left) {
			add_path(&ldir, ldir_len, entry->path);
			ensure_leading_directories(ldir.buf);
			write_file(ldir.buf, "%s", entry->left);
		}
		if (*entry->right) {
			add_path(&rdir, rdir_len, entry->path);
			ensure_leading_directories(rdir.buf);
			write_file(rdir.buf, "%s", entry->right);
		}
	}

	strbuf_release(&buf);

	strbuf_setlen(&ldir, ldir_len);
	helper_argv[1] = ldir.buf;
	strbuf_setlen(&rdir, rdir_len);
	helper_argv[2] = rdir.buf;

	if (extcmd) {
		helper_argv[0] = extcmd;
		flags = 0;
	} else
		setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1);
	rc = run_command_v_opt(helper_argv, flags);

	/*
	 * If the diff includes working copy files and those
	 * files were modified during the diff, then the changes
	 * should be copied back to the working tree.
	 * Do not copy back files when symlinks are used and the
	 * external tool did not replace the original link with a file.
	 *
	 * These hashes are loaded lazily since they aren't needed
	 * in the common case of --symlinks and the difftool updating
	 * files through the symlink.
	 */
	hashmap_init(&wt_modified, (hashmap_cmp_fn)path_entry_cmp,
		     NULL, wtindex.cache_nr);
	hashmap_init(&tmp_modified, (hashmap_cmp_fn)path_entry_cmp,
		     NULL, wtindex.cache_nr);

	for (i = 0; i < wtindex.cache_nr; i++) {
		struct hashmap_entry dummy;
		const char *name = wtindex.cache[i]->name;
		struct stat st;

		add_path(&rdir, rdir_len, name);
		if (lstat(rdir.buf, &st))
			continue;

		if ((symlinks && S_ISLNK(st.st_mode)) || !S_ISREG(st.st_mode))
			continue;

		if (!indices_loaded) {
			static struct lock_file lock;
			strbuf_reset(&buf);
			strbuf_addf(&buf, "%s/wtindex", tmpdir);
			if (hold_lock_file_for_update(&lock, buf.buf, 0) < 0 ||
			    write_locked_index(&wtindex, &lock, COMMIT_LOCK)) {
				ret = error("could not write %s", buf.buf);
				rollback_lock_file(&lock);
				goto finish;
			}
			changed_files(&wt_modified, buf.buf, workdir);
			strbuf_setlen(&rdir, rdir_len);
			changed_files(&tmp_modified, buf.buf, rdir.buf);
			add_path(&rdir, rdir_len, name);
			indices_loaded = 1;
		}

		hashmap_entry_init(&dummy, strhash(name));
		if (hashmap_get(&tmp_modified, &dummy, name)) {
			add_path(&wtdir, wtdir_len, name);
			if (hashmap_get(&wt_modified, &dummy, name)) {
				warning(_("both files modified: '%s' and '%s'."),
					wtdir.buf, rdir.buf);
				warning(_("working tree file has been left."));
				warning("%s", "");
				err = 1;
			} else if (unlink(wtdir.buf) ||
				   copy_file(wtdir.buf, rdir.buf, st.st_mode))
				warning_errno(_("could not copy '%s' to '%s'"),
					      rdir.buf, wtdir.buf);
		}
	}

	if (err) {
		warning(_("temporary files exist in '%s'."), tmpdir);
		warning(_("you may want to cleanup or recover these."));
		exit(1);
	} else
		exit_cleanup(tmpdir, rc);

finish:
	if (fp)
		fclose(fp);

	free(lbase_dir);
	free(rbase_dir);
	strbuf_release(&ldir);
	strbuf_release(&rdir);
	strbuf_release(&wtdir);
	strbuf_release(&buf);

	return ret;
}
示例#27
0
static int print_tool_help(void)
{
	const char *argv[] = { "mergetool", "--tool-help=diff", NULL };
	return run_command_v_opt(argv, RUN_GIT_CMD);
}
示例#28
0
文件: clone.c 项目: dindinw/git
static int checkout(int submodule_progress)
{
	unsigned char sha1[20];
	char *head;
	struct lock_file *lock_file;
	struct unpack_trees_options opts;
	struct tree *tree;
	struct tree_desc t;
	int err = 0;

	if (option_no_checkout)
		return 0;

	head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL);
	if (!head) {
		warning(_("remote HEAD refers to nonexistent ref, "
			  "unable to checkout.\n"));
		return 0;
	}
	if (!strcmp(head, "HEAD")) {
		if (advice_detached_head)
			detach_advice(sha1_to_hex(sha1));
	} else {
		if (!starts_with(head, "refs/heads/"))
			die(_("HEAD not found below refs/heads!"));
	}
	free(head);

	/* We need to be in the new work tree for the checkout */
	setup_work_tree();

	lock_file = xcalloc(1, sizeof(struct lock_file));
	hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);

	memset(&opts, 0, sizeof opts);
	opts.update = 1;
	opts.merge = 1;
	opts.fn = oneway_merge;
	opts.verbose_update = (option_verbosity >= 0);
	opts.src_index = &the_index;
	opts.dst_index = &the_index;

	tree = parse_tree_indirect(sha1);
	parse_tree(tree);
	init_tree_desc(&t, tree->buffer, tree->size);
	if (unpack_trees(1, &t, &opts) < 0)
		die(_("unable to checkout working tree"));

	if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
		die(_("unable to write new index file"));

	err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
			   sha1_to_hex(sha1), "1", NULL);

	if (!err && option_recursive) {
		struct argv_array args = ARGV_ARRAY_INIT;
		argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);

		if (option_shallow_submodules == 1)
			argv_array_push(&args, "--depth=1");

		if (max_jobs != -1)
			argv_array_pushf(&args, "--jobs=%d", max_jobs);

		if (submodule_progress)
			argv_array_push(&args, "--progress");

		err = run_command_v_opt(args.argv, RUN_GIT_CMD);
		argv_array_clear(&args);
	}

	return err;
}
示例#29
0
文件: builtin-gc.c 项目: Pistos/git
int cmd_gc(int argc, const char **argv, const char *prefix)
{
	int prune = 0;
	int aggressive = 0;
	int auto_gc = 0;
	int quiet = 0;
	char buf[80];

	struct option builtin_gc_options[] = {
		OPT_BOOLEAN(0, "prune", &prune, "prune unreferenced objects (deprecated)"),
		OPT_BOOLEAN(0, "aggressive", &aggressive, "be more thorough (increased runtime)"),
		OPT_BOOLEAN(0, "auto", &auto_gc, "enable auto-gc mode"),
		OPT_BOOLEAN('q', "quiet", &quiet, "suppress progress reports"),
		OPT_END()
	};

	git_config(gc_config, NULL);

	if (pack_refs < 0)
		pack_refs = !is_bare_repository();

	argc = parse_options(argc, argv, builtin_gc_options, builtin_gc_usage, 0);
	if (argc > 0)
		usage_with_options(builtin_gc_usage, builtin_gc_options);

	if (aggressive) {
		append_option(argv_repack, "-f", MAX_ADD);
		if (aggressive_window > 0) {
			sprintf(buf, "--window=%d", aggressive_window);
			append_option(argv_repack, buf, MAX_ADD);
		}
	}
	if (quiet)
		append_option(argv_repack, "-q", MAX_ADD);

	if (auto_gc) {
		/*
		 * Auto-gc should be least intrusive as possible.
		 */
		if (!need_to_gc())
			return 0;
		fprintf(stderr, "Auto packing your repository for optimum "
			"performance. You may also\n"
			"run \"git gc\" manually. See "
			"\"git help gc\" for more information.\n");
	} else
		append_option(argv_repack, "-A", MAX_ADD);

	if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_pack_refs[0]);

	if (run_command_v_opt(argv_reflog, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_reflog[0]);

	if (run_command_v_opt(argv_repack, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_repack[0]);

	argv_prune[2] = prune_expire;
	if (run_command_v_opt(argv_prune, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_prune[0]);

	if (run_command_v_opt(argv_rerere, RUN_GIT_CMD))
		return error(FAILED_RUN, argv_rerere[0]);

	if (auto_gc && too_many_loose_objects())
		warning("There are too many unreachable loose objects; "
			"run 'git prune' to remove them.");

	return 0;
}
示例#30
0
文件: pull.c 项目: foggg7777/git
/**
 * Runs git-fetch, returning its exit status. `repo` and `refspecs` are the
 * repository and refspecs to fetch, or NULL if they are not provided.
 */
static int run_fetch(const char *repo, const char **refspecs)
{
	struct argv_array args = ARGV_ARRAY_INIT;
	int ret;

	argv_array_pushl(&args, "fetch", "--update-head-ok", NULL);

	/* Shared options */
	argv_push_verbosity(&args);
	if (opt_progress)
		argv_array_push(&args, opt_progress);

	/* Options passed to git-fetch */
	if (opt_all)
		argv_array_push(&args, opt_all);
	if (opt_append)
		argv_array_push(&args, opt_append);
	if (opt_upload_pack)
		argv_array_push(&args, opt_upload_pack);
	argv_push_force(&args);
	if (opt_tags)
		argv_array_push(&args, opt_tags);
	if (opt_prune)
		argv_array_push(&args, opt_prune);
	if (recurse_submodules != RECURSE_SUBMODULES_DEFAULT)
		switch (recurse_submodules) {
		case RECURSE_SUBMODULES_ON:
			argv_array_push(&args, "--recurse-submodules=on");
			break;
		case RECURSE_SUBMODULES_OFF:
			argv_array_push(&args, "--recurse-submodules=no");
			break;
		case RECURSE_SUBMODULES_ON_DEMAND:
			argv_array_push(&args, "--recurse-submodules=on-demand");
			break;
		default:
			BUG("submodule recursion option not understood");
		}
	if (max_children)
		argv_array_push(&args, max_children);
	if (opt_dry_run)
		argv_array_push(&args, "--dry-run");
	if (opt_keep)
		argv_array_push(&args, opt_keep);
	if (opt_depth)
		argv_array_push(&args, opt_depth);
	if (opt_unshallow)
		argv_array_push(&args, opt_unshallow);
	if (opt_update_shallow)
		argv_array_push(&args, opt_update_shallow);
	if (opt_refmap)
		argv_array_push(&args, opt_refmap);
	if (opt_ipv4)
		argv_array_push(&args, opt_ipv4);
	if (opt_ipv6)
		argv_array_push(&args, opt_ipv6);

	if (repo) {
		argv_array_push(&args, repo);
		argv_array_pushv(&args, refspecs);
	} else if (*refspecs)
		BUG("refspecs without repo?");
	ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
	argv_array_clear(&args);
	return ret;
}