Esempio n. 1
0
static int refresh(struct refresh_params *o, unsigned int flag)
{
	setup_work_tree();
	read_cache_preload(NULL);
	*o->has_errors |= refresh_cache(o->flags | flag);
	return 0;
}
Esempio n. 2
0
static int checkout(void)
{
	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, fd;

	if (option_no_checkout)
		return 0;

	head = resolve_refdup("HEAD", sha1, 1, 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 (prefixcmp(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));
	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_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_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(sha1), "1", NULL);

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

	return err;
}
Esempio n. 3
0
File: diff.c Progetto: tnachen/git
static int builtin_diff_index(struct rev_info *revs,
			      int argc, const char **argv)
{
	int cached = 0;
	while (1 < argc) {
		const char *arg = argv[1];
		if (!strcmp(arg, "--cached") || !strcmp(arg, "--staged"))
			cached = 1;
		else
			usage(builtin_diff_usage);
		argv++; argc--;
	}
	if (!cached)
		setup_work_tree();
	/*
	 * Make sure there is one revision (i.e. pending object),
	 * and there is no revision filtering parameters.
	 */
	if (revs->pending.nr != 1 ||
	    revs->max_count != -1 || revs->min_age != -1 ||
	    revs->max_age != -1)
		usage(builtin_diff_usage);
	if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
		perror("read_cache_preload");
		return -1;
	}
	return run_diff_index(revs, cached);
}
Esempio n. 4
0
File: git.c Progetto: Ferryworld/git
static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
{
	int status, help;
	struct stat st;
	const char *prefix;

	prefix = NULL;
	help = argc == 2 && !strcmp(argv[1], "-h");
	if (!help) {
		if (p->option & RUN_SETUP)
			prefix = setup_git_directory();
		else if (p->option & RUN_SETUP_GENTLY) {
			int nongit_ok;
			prefix = setup_git_directory_gently(&nongit_ok);
		}

		if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY))
			use_pager = check_pager_config(p->cmd);
		if (use_pager == -1 && p->option & USE_PAGER)
			use_pager = 1;

		if ((p->option & (RUN_SETUP | RUN_SETUP_GENTLY)) &&
		    startup_info->have_repository) /* get_git_dir() may set up repo, avoid that */
			trace_repo_setup(prefix);
	}
	commit_pager_choice();

	if (!help && get_super_prefix()) {
		if (!(p->option & SUPPORT_SUPER_PREFIX))
			die("%s doesn't support --super-prefix", p->cmd);
		if (prefix)
			die("can't use --super-prefix from a subdirectory");
	}

	if (!help && p->option & NEED_WORK_TREE)
		setup_work_tree();

	trace_argv_printf(argv, "trace: built-in: git");

	status = p->fn(argc, argv, prefix);
	if (status)
		return status;

	/* Somebody closed stdout? */
	if (fstat(fileno(stdout), &st))
		return 0;
	/* Ignore write errors for pipes and sockets.. */
	if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode))
		return 0;

	/* Check for ENOSPC and EIO errors.. */
	if (fflush(stdout))
		die_errno("write failure on standard output");
	if (ferror(stdout))
		die("unknown write failure on standard output");
	if (fclose(stdout))
		die_errno("close failed on standard output");
	return 0;
}
Esempio n. 5
0
static void wt_status_print_verbose(struct wt_status *s)
{
	struct rev_info rev;
	struct setup_revision_opt opt;
	int dirty_submodules;
	const char *c = color(WT_STATUS_HEADER, s);

	init_revisions(&rev, NULL);
	DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);

	memset(&opt, 0, sizeof(opt));
	opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
	setup_revisions(0, NULL, &rev, &opt);

	rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
	rev.diffopt.detect_rename = 1;
	rev.diffopt.file = s->fp;
	rev.diffopt.close_file = 0;
	/*
	 * If we're not going to stdout, then we definitely don't
	 * want color, since we are going to the commit message
	 * file (and even the "auto" setting won't work, since it
	 * will have checked isatty on stdout). But we then do want
	 * to insert the scissor line here to reliably remove the
	 * diff before committing.
	 */
	if (s->fp != stdout) {
		rev.diffopt.use_color = 0;
		wt_status_add_cut_line(s->fp);
	}
	if (s->verbose > 1 && s->commitable) {
		/* print_updated() printed a header, so do we */
		if (s->fp != stdout)
			wt_status_print_trailer(s);
		status_printf_ln(s, c, _("Changes to be committed:"));
		rev.diffopt.a_prefix = "c/";
		rev.diffopt.b_prefix = "i/";
	} /* else use prefix as per user config */
	run_diff_index(&rev, 1);
	if (s->verbose > 1 &&
	    wt_status_check_worktree_changes(s, &dirty_submodules)) {
		status_printf_ln(s, c,
			"--------------------------------------------------");
		status_printf_ln(s, c, _("Changes not staged for commit:"));
		setup_work_tree();
		rev.diffopt.a_prefix = "i/";
		rev.diffopt.b_prefix = "w/";
		run_diff_files(&rev, 0);
	}
}
Esempio n. 6
0
File: git.c Progetto: SRabbelier/git
static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
{
	int status, help;
	struct stat st;
	const char *prefix;

	prefix = NULL;
	help = argc == 2 && !strcmp(argv[1], "-h");
	if (!help) {
		if (p->option & RUN_SETUP)
			prefix = setup_git_directory();
		if (p->option & RUN_SETUP_GENTLY) {
			int nongit_ok;
			prefix = setup_git_directory_gently(&nongit_ok);
		}

		if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY))
			use_pager = check_pager_config(p->cmd);
		if (use_pager == -1 && p->option & USE_PAGER)
			use_pager = 1;
	}
	commit_pager_choice();

	if (!help && p->option & NEED_WORK_TREE)
		setup_work_tree();

	trace_argv_printf(argv, "trace: built-in: git");

	status = p->fn(argc, argv, prefix);
	if (status)
		return status;

	/* Somebody closed stdout? */
	if (fstat(fileno(stdout), &st))
		return 0;
	/* Ignore write errors for pipes and sockets.. */
	if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode))
		return 0;

	/* Check for ENOSPC and EIO errors.. */
	if (fflush(stdout))
		die_errno("write failure on standard output");
	if (ferror(stdout))
		die("unknown write failure on standard output");
	if (fclose(stdout))
		die_errno("close failed on standard output");
	return 0;
}
Esempio n. 7
0
int cmd_diff_index(int argc, const char **argv, const char *prefix)
{
	struct rev_info rev;
	int cached = 0;
	int i;
	int result;

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage(diff_cache_usage);

	git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
	init_revisions(&rev, prefix);
	rev.abbrev = 0;
	precompose_argv(argc, argv);

	argc = setup_revisions(argc, argv, &rev, NULL);
	for (i = 1; i < argc; i++) {
		const char *arg = argv[i];

		if (!strcmp(arg, "--cached"))
			cached = 1;
		else
			usage(diff_cache_usage);
	}
	if (!rev.diffopt.output_format)
		rev.diffopt.output_format = DIFF_FORMAT_RAW;

	/*
	 * Make sure there is one revision (i.e. pending object),
	 * and there is no revision filtering parameters.
	 */
	if (rev.pending.nr != 1 ||
	    rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1)
		usage(diff_cache_usage);
	if (!cached) {
		setup_work_tree();
		if (read_cache_preload(&rev.diffopt.pathspec) < 0) {
			perror("read_cache_preload");
			return -1;
		}
	} else if (read_cache() < 0) {
		perror("read_cache");
		return -1;
	}
	result = run_diff_index(&rev, cached);
	UNLEAK(rev);
	return diff_result_code(&rev.diffopt, result);
}
Esempio n. 8
0
int cmd_main(int argc, const char **argv)
{
	struct child_process cp = CHILD_PROCESS_INIT;
	int nogit = 0;

	setup_git_directory_gently(&nogit);
	if (nogit)
		die("No git repo found");
	if (argc > 1 && !strcmp(argv[1], "--setup-work-tree")) {
		setup_work_tree();
		argv++;
	}
	cp.git_cmd = 1;
	cp.argv = (const char **)argv + 1;
	return run_command(&cp);
}
Esempio n. 9
0
static int reupdate_callback(struct parse_opt_ctx_t *ctx,
				const struct option *opt, int flags)
{
	int *has_errors = opt->value;
	const char *prefix = startup_info->prefix;

	/* consume remaining arguments. */
	setup_work_tree();
	*has_errors = do_reupdate(ctx->argc, ctx->argv,
				prefix, prefix ? strlen(prefix) : 0);
	if (*has_errors)
		active_cache_changed = 0;

	ctx->argv += ctx->argc - 1;
	ctx->argc = 1;
	return 0;
}
Esempio n. 10
0
int main(int argc, char **argv)
{
	struct child_process cp;
	int nogit = 0;

	setup_git_directory_gently(&nogit);
	if (nogit)
		die("No git repo found");
	if (!strcmp(argv[1], "--setup-work-tree")) {
		setup_work_tree();
		argv++;
	}
	memset(&cp, 0, sizeof(cp));
	cp.git_cmd = 1;
	cp.argv = (const char **)argv+1;
	return run_command(&cp);
}
Esempio n. 11
0
File: diff.c Progetto: xq-sunny/git
static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv)
{
    int result;
    unsigned int options = 0;

    while (1 < argc && argv[1][0] == '-') {
        if (!strcmp(argv[1], "--base"))
            revs->max_count = 1;
        else if (!strcmp(argv[1], "--ours"))
            revs->max_count = 2;
        else if (!strcmp(argv[1], "--theirs"))
            revs->max_count = 3;
        else if (!strcmp(argv[1], "-q"))
            options |= DIFF_SILENT_ON_REMOVED;
        else if (!strcmp(argv[1], "-h"))
            usage(builtin_diff_usage);
        else
            return error("invalid option: %s", argv[1]);
        argv++;
        argc--;
    }

    /*
     * "diff --base" should not combine merges because it was not
     * asked to.  "diff -c" should not densify (if the user wants
     * dense one, --cc can be explicitly asked for, or just rely
     * on the default).
     */
    if (revs->max_count == -1 && !revs->combine_merges &&
            (revs->diffopt.output_format & DIFF_FORMAT_PATCH))
        revs->combine_merges = revs->dense_combined_merges = 1;

    setup_work_tree();
    if (read_cache_preload(revs->diffopt.paths) < 0) {
        perror("read_cache_preload");
        return -1;
    }
    result = run_diff_files(revs, options);
    return diff_result_code(&revs->diffopt, result);
}
Esempio n. 12
0
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
	int newfd, entries, has_errors = 0, line_termination = '\n';
	int read_from_stdin = 0;
	int prefix_length = prefix ? strlen(prefix) : 0;
	int preferred_index_format = 0;
	char set_executable_bit = 0;
	struct refresh_params refresh_args = {0, &has_errors};
	int lock_error = 0;
	int split_index = -1;
	struct lock_file *lock_file;
	struct parse_opt_ctx_t ctx;
	int parseopt_state = PARSE_OPT_UNKNOWN;
	struct option options[] = {
		OPT_BIT('q', NULL, &refresh_args.flags,
			N_("continue refresh even when index needs update"),
			REFRESH_QUIET),
		OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
			N_("refresh: ignore submodules"),
			REFRESH_IGNORE_SUBMODULES),
		OPT_SET_INT(0, "add", &allow_add,
			N_("do not ignore new files"), 1),
		OPT_SET_INT(0, "replace", &allow_replace,
			N_("let files replace directories and vice-versa"), 1),
		OPT_SET_INT(0, "remove", &allow_remove,
			N_("notice files missing from worktree"), 1),
		OPT_BIT(0, "unmerged", &refresh_args.flags,
			N_("refresh even if index contains unmerged entries"),
			REFRESH_UNMERGED),
		{OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
			N_("refresh stat information"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			refresh_callback},
		{OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
			N_("like --refresh, but ignore assume-unchanged setting"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			really_refresh_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
			N_("<mode>,<object>,<path>"),
			N_("add the specified entry to the index"),
			PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
			(parse_opt_cb *) cacheinfo_callback},
		{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, N_("(+/-)x"),
			N_("override the executable bit of the listed files"),
			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
			chmod_callback},
		{OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
			N_("mark files as \"not changing\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
			N_("clear assumed-unchanged bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		{OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
			N_("mark files as \"index-only\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
			N_("clear skip-worktree bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		OPT_SET_INT(0, "info-only", &info_only,
			N_("add to index only; do not add content to object database"), 1),
		OPT_SET_INT(0, "force-remove", &force_remove,
			N_("remove named paths even if present in worktree"), 1),
		OPT_SET_INT('z', NULL, &line_termination,
			N_("with --stdin: input lines are terminated by null bytes"), '\0'),
		{OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
			N_("read list of paths to be updated from standard input"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL,
			N_("add entries from standard input to the index"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_cacheinfo_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
			N_("repopulate stages #2 and #3 for the listed paths"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) unresolve_callback},
		{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
			N_("only update entries that differ from HEAD"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) reupdate_callback},
		OPT_BIT(0, "ignore-missing", &refresh_args.flags,
			N_("ignore files missing from worktree"),
			REFRESH_IGNORE_MISSING),
		OPT_SET_INT(0, "verbose", &verbose,
			N_("report actions to standard output"), 1),
		{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
			N_("(for porcelains) forget saved unresolved conflicts"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			resolve_undo_clear_callback},
		OPT_INTEGER(0, "index-version", &preferred_index_format,
			N_("write index in this format")),
		OPT_BOOL(0, "split-index", &split_index,
			N_("enable or disable split index")),
		OPT_END()
	};

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

	git_config(git_default_config, NULL);

	/* We can't free this memory, it becomes part of a linked list parsed atexit() */
	lock_file = xcalloc(1, sizeof(struct lock_file));

	newfd = hold_locked_index(lock_file, 0);
	if (newfd < 0)
		lock_error = errno;

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	/*
	 * Custom copy of parse_options() because we want to handle
	 * filename arguments as they come.
	 */
	parse_options_start(&ctx, argc, argv, prefix,
			    options, PARSE_OPT_STOP_AT_NON_OPTION);
	while (ctx.argc) {
		if (parseopt_state != PARSE_OPT_DONE)
			parseopt_state = parse_options_step(&ctx, options,
							    update_index_usage);
		if (!ctx.argc)
			break;
		switch (parseopt_state) {
		case PARSE_OPT_HELP:
			exit(129);
		case PARSE_OPT_NON_OPTION:
		case PARSE_OPT_DONE:
		{
			const char *path = ctx.argv[0];
			const char *p;

			setup_work_tree();
			p = prefix_path(prefix, prefix_length, path);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free((char *)p);
			ctx.argc--;
			ctx.argv++;
			break;
		}
		case PARSE_OPT_UNKNOWN:
			if (ctx.argv[0][1] == '-')
				error("unknown option '%s'", ctx.argv[0] + 2);
			else
				error("unknown switch '%c'", *ctx.opt);
			usage_with_options(update_index_usage, options);
		}
	}
	argc = parse_options_end(&ctx);
	if (preferred_index_format) {
		if (preferred_index_format < INDEX_FORMAT_LB ||
		    INDEX_FORMAT_UB < preferred_index_format)
			die("index-version %d not in range: %d..%d",
			    preferred_index_format,
			    INDEX_FORMAT_LB, INDEX_FORMAT_UB);

		if (the_index.version != preferred_index_format)
			active_cache_changed |= SOMETHING_CHANGED;
		the_index.version = preferred_index_format;
	}

	if (read_from_stdin) {
		struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;

		setup_work_tree();
		while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
			const char *p;
			if (line_termination && buf.buf[0] == '"') {
				strbuf_reset(&nbuf);
				if (unquote_c_style(&nbuf, buf.buf, NULL))
					die("line is badly quoted");
				strbuf_swap(&buf, &nbuf);
			}
			p = prefix_path(prefix, prefix_length, buf.buf);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free((char *)p);
		}
		strbuf_release(&nbuf);
		strbuf_release(&buf);
	}

	if (split_index > 0) {
		init_split_index(&the_index);
		the_index.cache_changed |= SPLIT_INDEX_ORDERED;
	} else if (!split_index && the_index.split_index) {
		/*
		 * can't discard_split_index(&the_index); because that
		 * will destroy split_index->base->cache[], which may
		 * be shared with the_index.cache[]. So yeah we're
		 * leaking a bit here.
		 */
		the_index.split_index = NULL;
		the_index.cache_changed |= SOMETHING_CHANGED;
	}

	if (active_cache_changed) {
		if (newfd < 0) {
			if (refresh_args.flags & REFRESH_QUIET)
				exit(128);
			unable_to_lock_die(get_index_file(), lock_error);
		}
		if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
			die("Unable to write new index file");
	}

	rollback_lock_file(lock_file);

	return has_errors ? 1 : 0;
}
Esempio n. 13
0
int cmd_merge(int argc, const char **argv, const char *prefix)
{
	unsigned char result_tree[20];
	struct strbuf buf = STRBUF_INIT;
	const char *head_arg;
	int flag, head_invalid = 0, i;
	int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0;
	struct commit_list *common = NULL;
	const char *best_strategy = NULL, *wt_strategy = NULL;
	struct commit_list **remotes = &remoteheads;

	setup_work_tree();
	if (file_exists(git_path("MERGE_HEAD")))
		die("You have not concluded your merge. (MERGE_HEAD exists)");
	if (read_cache_unmerged())
		die("You are in the middle of a conflicted merge."
				" (index unmerged)");

	/*
	 * Check if we are _not_ on a detached HEAD, i.e. if there is a
	 * current branch.
	 */
	branch = resolve_ref("HEAD", head, 0, &flag);
	if (branch && !prefixcmp(branch, "refs/heads/"))
		branch += 11;
	if (is_null_sha1(head))
		head_invalid = 1;

	git_config(git_merge_config, NULL);

	/* for color.ui */
	if (diff_use_color_default == -1)
		diff_use_color_default = git_use_color_default;

	argc = parse_options(argc, argv, prefix, builtin_merge_options,
			builtin_merge_usage, 0);
	if (verbosity < 0)
		show_diffstat = 0;

	if (squash) {
		if (!allow_fast_forward)
			die("You cannot combine --squash with --no-ff.");
		option_commit = 0;
	}

	if (!argc)
		usage_with_options(builtin_merge_usage,
			builtin_merge_options);

	/*
	 * This could be traditional "merge <msg> HEAD <commit>..."  and
	 * the way we can tell it is to see if the second token is HEAD,
	 * but some people might have misused the interface and used a
	 * committish that is the same as HEAD there instead.
	 * Traditional format never would have "-m" so it is an
	 * additional safety measure to check for it.
	 */

	if (!have_message && is_old_style_invocation(argc, argv)) {
		strbuf_addstr(&merge_msg, argv[0]);
		head_arg = argv[1];
		argv += 2;
		argc -= 2;
	} else if (head_invalid) {
		struct object *remote_head;
		/*
		 * If the merged head is a valid one there is no reason
		 * to forbid "git merge" into a branch yet to be born.
		 * We do the same for "git pull".
		 */
		if (argc != 1)
			die("Can merge only exactly one commit into "
				"empty head");
		if (squash)
			die("Squash commit into empty head not supported yet");
		if (!allow_fast_forward)
			die("Non-fast-forward commit does not make sense into "
			    "an empty head");
		remote_head = peel_to_type(argv[0], 0, NULL, OBJ_COMMIT);
		if (!remote_head)
			die("%s - not something we can merge", argv[0]);
		update_ref("initial pull", "HEAD", remote_head->sha1, NULL, 0,
				DIE_ON_ERR);
		reset_hard(remote_head->sha1, 0);
		return 0;
	} else {
		struct strbuf msg = STRBUF_INIT;

		/* We are invoked directly as the first-class UI. */
		head_arg = "HEAD";

		/*
		 * All the rest are the commits being merged;
		 * prepare the standard merge summary message to
		 * be appended to the given message.  If remote
		 * is invalid we will die later in the common
		 * codepath so we discard the error in this
		 * loop.
		 */
		for (i = 0; i < argc; i++)
			merge_name(argv[i], &msg);
		fmt_merge_msg(option_log, &msg, &merge_msg);
		if (merge_msg.len)
			strbuf_setlen(&merge_msg, merge_msg.len-1);
	}

	if (head_invalid || !argc)
		usage_with_options(builtin_merge_usage,
			builtin_merge_options);

	strbuf_addstr(&buf, "merge");
	for (i = 0; i < argc; i++)
		strbuf_addf(&buf, " %s", argv[i]);
	setenv("GIT_REFLOG_ACTION", buf.buf, 0);
	strbuf_reset(&buf);

	for (i = 0; i < argc; i++) {
		struct object *o;
		struct commit *commit;

		o = peel_to_type(argv[i], 0, NULL, OBJ_COMMIT);
		if (!o)
			die("%s - not something we can merge", argv[i]);
		commit = lookup_commit(o->sha1);
		commit->util = (void *)argv[i];
		remotes = &commit_list_insert(commit, remotes)->next;

		strbuf_addf(&buf, "GITHEAD_%s", sha1_to_hex(o->sha1));
		setenv(buf.buf, argv[i], 1);
		strbuf_reset(&buf);
	}

	if (!use_strategies) {
		if (!remoteheads->next)
			add_strategies(pull_twohead, DEFAULT_TWOHEAD);
		else
			add_strategies(pull_octopus, DEFAULT_OCTOPUS);
	}

	for (i = 0; i < use_strategies_nr; i++) {
		if (use_strategies[i]->attr & NO_FAST_FORWARD)
			allow_fast_forward = 0;
		if (use_strategies[i]->attr & NO_TRIVIAL)
			allow_trivial = 0;
	}

	if (!remoteheads->next)
		common = get_merge_bases(lookup_commit(head),
				remoteheads->item, 1);
	else {
		struct commit_list *list = remoteheads;
		commit_list_insert(lookup_commit(head), &list);
		common = get_octopus_merge_bases(list);
		free(list);
	}

	update_ref("updating ORIG_HEAD", "ORIG_HEAD", head, NULL, 0,
		DIE_ON_ERR);

	if (!common)
		; /* No common ancestors found. We need a real merge. */
	else if (!remoteheads->next && !common->next &&
			common->item == remoteheads->item) {
		/*
		 * If head can reach all the merge then we are up to date.
		 * but first the most common case of merging one remote.
		 */
		finish_up_to_date("Already up-to-date.");
		return 0;
	} else if (allow_fast_forward && !remoteheads->next &&
			!common->next &&
			!hashcmp(common->item->object.sha1, head)) {
		/* Again the most common case of merging one remote. */
		struct strbuf msg = STRBUF_INIT;
		struct object *o;
		char hex[41];

		strcpy(hex, find_unique_abbrev(head, DEFAULT_ABBREV));

		if (verbosity >= 0)
			printf("Updating %s..%s\n",
				hex,
				find_unique_abbrev(remoteheads->item->object.sha1,
				DEFAULT_ABBREV));
		strbuf_addstr(&msg, "Fast forward");
		if (have_message)
			strbuf_addstr(&msg,
				" (no commit created; -m option ignored)");
		o = peel_to_type(sha1_to_hex(remoteheads->item->object.sha1),
			0, NULL, OBJ_COMMIT);
		if (!o)
			return 1;

		if (checkout_fast_forward(head, remoteheads->item->object.sha1))
			return 1;

		finish(o->sha1, msg.buf);
		drop_save();
		return 0;
	} else if (!remoteheads->next && common->next)
		;
		/*
		 * We are not doing octopus and not fast forward.  Need
		 * a real merge.
		 */
	else if (!remoteheads->next && !common->next && option_commit) {
		/*
		 * We are not doing octopus, not fast forward, and have
		 * only one common.
		 */
		refresh_cache(REFRESH_QUIET);
		if (allow_trivial) {
			/* See if it is really trivial. */
			git_committer_info(IDENT_ERROR_ON_NO_NAME);
			printf("Trying really trivial in-index merge...\n");
			if (!read_tree_trivial(common->item->object.sha1,
					head, remoteheads->item->object.sha1))
				return merge_trivial();
			printf("Nope.\n");
		}
	} else {
		/*
		 * An octopus.  If we can reach all the remote we are up
		 * to date.
		 */
		int up_to_date = 1;
		struct commit_list *j;

		for (j = remoteheads; j; j = j->next) {
			struct commit_list *common_one;

			/*
			 * Here we *have* to calculate the individual
			 * merge_bases again, otherwise "git merge HEAD^
			 * HEAD^^" would be missed.
			 */
			common_one = get_merge_bases(lookup_commit(head),
				j->item, 1);
			if (hashcmp(common_one->item->object.sha1,
				j->item->object.sha1)) {
				up_to_date = 0;
				break;
			}
		}
		if (up_to_date) {
			finish_up_to_date("Already up-to-date. Yeeah!");
			return 0;
		}
	}

	/* We are going to make a new commit. */
	git_committer_info(IDENT_ERROR_ON_NO_NAME);

	/*
	 * At this point, we need a real merge.  No matter what strategy
	 * we use, it would operate on the index, possibly affecting the
	 * working tree, and when resolved cleanly, have the desired
	 * tree in the index -- this means that the index must be in
	 * sync with the head commit.  The strategies are responsible
	 * to ensure this.
	 */
	if (use_strategies_nr != 1) {
		/*
		 * Stash away the local changes so that we can try more
		 * than one.
		 */
		save_state();
	} else {
		memcpy(stash, null_sha1, 20);
	}

	for (i = 0; i < use_strategies_nr; i++) {
		int ret;
		if (i) {
			printf("Rewinding the tree to pristine...\n");
			restore_state();
		}
		if (use_strategies_nr != 1)
			printf("Trying merge strategy %s...\n",
				use_strategies[i]->name);
		/*
		 * Remember which strategy left the state in the working
		 * tree.
		 */
		wt_strategy = use_strategies[i]->name;

		ret = try_merge_strategy(use_strategies[i]->name,
			common, head_arg);
		if (!option_commit && !ret) {
			merge_was_ok = 1;
			/*
			 * This is necessary here just to avoid writing
			 * the tree, but later we will *not* exit with
			 * status code 1 because merge_was_ok is set.
			 */
			ret = 1;
		}

		if (ret) {
			/*
			 * The backend exits with 1 when conflicts are
			 * left to be resolved, with 2 when it does not
			 * handle the given merge at all.
			 */
			if (ret == 1) {
				int cnt = evaluate_result();

				if (best_cnt <= 0 || cnt <= best_cnt) {
					best_strategy = use_strategies[i]->name;
					best_cnt = cnt;
				}
			}
			if (merge_was_ok)
				break;
			else
				continue;
		}

		/* Automerge succeeded. */
		write_tree_trivial(result_tree);
		automerge_was_ok = 1;
		break;
	}

	/*
	 * If we have a resulting tree, that means the strategy module
	 * auto resolved the merge cleanly.
	 */
	if (automerge_was_ok)
		return finish_automerge(common, result_tree, wt_strategy);

	/*
	 * Pick the result from the best strategy and have the user fix
	 * it up.
	 */
	if (!best_strategy) {
		restore_state();
		if (use_strategies_nr > 1)
			fprintf(stderr,
				"No merge strategy handled the merge.\n");
		else
			fprintf(stderr, "Merge with strategy %s failed.\n",
				use_strategies[0]->name);
		return 2;
	} else if (best_strategy == wt_strategy)
		; /* We already have its result in the working tree. */
	else {
		printf("Rewinding the tree to pristine...\n");
		restore_state();
		printf("Using the %s to prepare resolving by hand.\n",
			best_strategy);
		try_merge_strategy(best_strategy, common, head_arg);
	}

	if (squash)
		finish(NULL, NULL);
	else {
		int fd;
		struct commit_list *j;

		for (j = remoteheads; j; j = j->next)
			strbuf_addf(&buf, "%s\n",
				sha1_to_hex(j->item->object.sha1));
		fd = open(git_path("MERGE_HEAD"), O_WRONLY | O_CREAT, 0666);
		if (fd < 0)
			die_errno("Could not open '%s' for writing",
				  git_path("MERGE_HEAD"));
		if (write_in_full(fd, buf.buf, buf.len) != buf.len)
			die_errno("Could not write to '%s'", git_path("MERGE_HEAD"));
		close(fd);
		strbuf_addch(&merge_msg, '\n');
		fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
		if (fd < 0)
			die_errno("Could not open '%s' for writing",
				  git_path("MERGE_MSG"));
		if (write_in_full(fd, merge_msg.buf, merge_msg.len) !=
			merge_msg.len)
			die_errno("Could not write to '%s'", git_path("MERGE_MSG"));
		close(fd);
		fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666);
		if (fd < 0)
			die_errno("Could not open '%s' for writing",
				  git_path("MERGE_MODE"));
		strbuf_reset(&buf);
		if (!allow_fast_forward)
			strbuf_addf(&buf, "no-ff");
		if (write_in_full(fd, buf.buf, buf.len) != buf.len)
			die_errno("Could not write to '%s'", git_path("MERGE_MODE"));
		close(fd);
	}

	if (merge_was_ok) {
		fprintf(stderr, "Automatic merge went well; "
			"stopped before committing as requested\n");
		return 0;
	} else
		return suggest_conflicts();
}
Esempio n. 14
0
int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
{
	int i, newfd, stage = 0;
	unsigned char sha1[20];
	struct tree_desc t[MAX_UNPACK_TREES];
	struct unpack_trees_options opts;
	int prefix_set = 0;
	const struct option read_tree_options[] = {
		{ OPTION_CALLBACK, 0, "index-output", NULL, N_("file"),
		  N_("write resulting index to <file>"),
		  PARSE_OPT_NONEG, index_output_cb },
		OPT_SET_INT(0, "empty", &read_empty,
			    N_("only empty the index"), 1),
		OPT__VERBOSE(&opts.verbose_update, N_("be verbose")),
		OPT_GROUP(N_("Merging")),
		OPT_SET_INT('m', NULL, &opts.merge,
			    N_("perform a merge in addition to a read"), 1),
		OPT_SET_INT(0, "trivial", &opts.trivial_merges_only,
			    N_("3-way merge if no file level merging required"), 1),
		OPT_SET_INT(0, "aggressive", &opts.aggressive,
			    N_("3-way merge in presence of adds and removes"), 1),
		OPT_SET_INT(0, "reset", &opts.reset,
			    N_("same as -m, but discard unmerged entries"), 1),
		{ OPTION_STRING, 0, "prefix", &opts.prefix, N_("<subdirectory>/"),
		  N_("read the tree into the index under <subdirectory>/"),
		  PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP },
		OPT_SET_INT('u', NULL, &opts.update,
			    N_("update working tree with merge result"), 1),
		{ OPTION_CALLBACK, 0, "exclude-per-directory", &opts,
		  N_("gitignore"),
		  N_("allow explicitly ignored files to be overwritten"),
		  PARSE_OPT_NONEG, exclude_per_directory_cb },
		OPT_SET_INT('i', NULL, &opts.index_only,
			    N_("don't check the working tree after merging"), 1),
		OPT__DRY_RUN(&opts.dry_run, N_("don't update the index or the work tree")),
		OPT_SET_INT(0, "no-sparse-checkout", &opts.skip_sparse_checkout,
			    N_("skip applying sparse checkout filter"), 1),
		OPT_SET_INT(0, "debug-unpack", &opts.debug_unpack,
			    N_("debug unpack-trees"), 1),
		OPT_END()
	};

	memset(&opts, 0, sizeof(opts));
	opts.head_idx = -1;
	opts.src_index = &the_index;
	opts.dst_index = &the_index;

	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, unused_prefix, read_tree_options,
			     read_tree_usage, 0);

	newfd = hold_locked_index(&lock_file, 1);

	prefix_set = opts.prefix ? 1 : 0;
	if (1 < opts.merge + opts.reset + prefix_set)
		die("Which one? -m, --reset, or --prefix?");

	if (opts.reset || opts.merge || opts.prefix) {
		if (read_cache_unmerged() && (opts.prefix || opts.merge))
			die("You need to resolve your current index first");
		stage = opts.merge = 1;
	}
	resolve_undo_clear();

	for (i = 0; i < argc; i++) {
		const char *arg = argv[i];

		if (get_sha1(arg, sha1))
			die("Not a valid object name %s", arg);
		if (list_tree(sha1) < 0)
			die("failed to unpack tree object %s", arg);
		stage++;
	}
	if (nr_trees == 0 && !read_empty)
		warning("read-tree: emptying the index with no arguments is deprecated; use --empty");
	else if (nr_trees > 0 && read_empty)
		die("passing trees as arguments contradicts --empty");

	if (1 < opts.index_only + opts.update)
		die("-u and -i at the same time makes no sense");
	if ((opts.update||opts.index_only) && !opts.merge)
		die("%s is meaningless without -m, --reset, or --prefix",
		    opts.update ? "-u" : "-i");
	if ((opts.dir && !opts.update))
		die("--exclude-per-directory is meaningless unless -u");
	if (opts.merge && !opts.index_only)
		setup_work_tree();

	if (opts.merge) {
		if (stage < 2)
			die("just how do you expect me to merge %d trees?", stage-1);
		switch (stage - 1) {
		case 1:
			opts.fn = opts.prefix ? bind_merge : oneway_merge;
			break;
		case 2:
			opts.fn = twoway_merge;
			opts.initial_checkout = is_cache_unborn();
			break;
		case 3:
		default:
			opts.fn = threeway_merge;
			break;
		}

		if (stage - 1 >= 3)
			opts.head_idx = stage - 2;
		else
			opts.head_idx = 1;
	}

	if (opts.debug_unpack)
		opts.fn = debug_merge;

	cache_tree_free(&active_cache_tree);
	for (i = 0; i < nr_trees; i++) {
		struct tree *tree = trees[i];
		parse_tree(tree);
		init_tree_desc(t+i, tree->buffer, tree->size);
	}
	if (unpack_trees(nr_trees, t, &opts))
		return 128;

	if (opts.debug_unpack || opts.dry_run)
		return 0; /* do not write the index out */

	/*
	 * When reading only one tree (either the most basic form,
	 * "-m ent" or "--reset ent" form), we can obtain a fully
	 * valid cache-tree because the index must match exactly
	 * what came from the tree.
	 */
	if (nr_trees == 1 && !opts.prefix)
		prime_cache_tree(&active_cache_tree, trees[0]);

	if (write_cache(newfd, active_cache, active_nr) ||
	    commit_locked_index(&lock_file))
		die("unable to write new index file");
	return 0;
}
Esempio n. 15
0
int cmd_check_attr(int argc, const char **argv, const char *prefix)
{
	struct git_attr_check *check;
	int cnt, i, doubledash, filei;

	if (!is_bare_repository())
		setup_work_tree();

	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, check_attr_options,
			     check_attr_usage, PARSE_OPT_KEEP_DASHDASH);

	if (read_cache() < 0) {
		die("invalid cache");
	}

	if (cached_attrs)
		git_attr_set_direction(GIT_ATTR_INDEX, NULL);

	doubledash = -1;
	for (i = 0; doubledash < 0 && i < argc; i++) {
		if (!strcmp(argv[i], "--"))
			doubledash = i;
	}

	/* Process --all and/or attribute arguments: */
	if (all_attrs) {
		if (doubledash >= 1)
			error_with_usage("Attributes and --all both specified");

		cnt = 0;
		filei = doubledash + 1;
	} else if (doubledash == 0) {
		error_with_usage("No attribute specified");
	} else if (doubledash < 0) {
		if (!argc)
			error_with_usage("No attribute specified");

		if (stdin_paths) {
			/* Treat all arguments as attribute names. */
			cnt = argc;
			filei = argc;
		} else {
			/* Treat exactly one argument as an attribute name. */
			cnt = 1;
			filei = 1;
		}
	} else {
		cnt = doubledash;
		filei = doubledash + 1;
	}

	/* Check file argument(s): */
	if (stdin_paths) {
		if (filei < argc)
			error_with_usage("Can't specify files with --stdin");
	} else {
		if (filei >= argc)
			error_with_usage("No file specified");
	}

	if (all_attrs) {
		check = NULL;
	} else {
		check = xcalloc(cnt, sizeof(*check));
		for (i = 0; i < cnt; i++) {
			const char *name;
			struct git_attr *a;
			name = argv[i];
			a = git_attr(name);
			if (!a)
				return error("%s: not a valid attribute name",
					name);
			check[i].attr = a;
		}
	}

	if (stdin_paths)
		check_attr_stdin_paths(prefix, cnt, check);
	else {
		for (i = filei; i < argc; i++)
			check_attr(prefix, cnt, check, argv[i]);
		maybe_flush_or_die(stdout, "attribute to stdout");
	}
	return 0;
}
Esempio n. 16
0
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0;
	int seen_dashdash = 0;
	int external_grep_allowed__ignored;
	struct grep_opt opt;
	struct object_array list = { 0, 0, NULL };
	const char **paths = NULL;
	int i;
	int dummy;
	int nongit = 0, use_index = 1;
	struct option options[] = {
		OPT_BOOLEAN(0, "cached", &cached,
			"search in index instead of in the work tree"),
		OPT_BOOLEAN(0, "index", &use_index,
			"--no-index finds in contents not managed by git"),
		OPT_GROUP(""),
		OPT_BOOLEAN('v', "invert-match", &opt.invert,
			"show non-matching lines"),
		OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
			"case insensitive matching"),
		OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
			"match patterns only at word boundaries"),
		OPT_SET_INT('a', "text", &opt.binary,
			"process binary files as text", GREP_BINARY_TEXT),
		OPT_SET_INT('I', NULL, &opt.binary,
			"don't match patterns in binary files",
			GREP_BINARY_NOMATCH),
		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth",
			"descend at most <depth> levels", PARSE_OPT_NONEG,
			NULL, 1 },
		OPT_GROUP(""),
		OPT_BIT('E', "extended-regexp", &opt.regflags,
			"use extended POSIX regular expressions", REG_EXTENDED),
		OPT_NEGBIT('G', "basic-regexp", &opt.regflags,
			"use basic POSIX regular expressions (default)",
			REG_EXTENDED),
		OPT_BOOLEAN('F', "fixed-strings", &opt.fixed,
			"interpret patterns as fixed strings"),
		OPT_GROUP(""),
		OPT_BOOLEAN('n', NULL, &opt.linenum, "show line numbers"),
		OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1),
		OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1),
		OPT_NEGBIT(0, "full-name", &opt.relative,
			"show filenames relative to top directory", 1),
		OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
			"show only filenames instead of matching lines"),
		OPT_BOOLEAN(0, "name-only", &opt.name_only,
			"synonym for --files-with-matches"),
		OPT_BOOLEAN('L', "files-without-match",
			&opt.unmatch_name_only,
			"show only the names of files without match"),
		OPT_BOOLEAN('z', "null", &opt.null_following_name,
			"print NUL after filenames"),
		OPT_BOOLEAN('c', "count", &opt.count,
			"show the number of matches instead of matching lines"),
		OPT_SET_INT(0, "color", &opt.color, "highlight matches", 1),
		OPT_GROUP(""),
		OPT_CALLBACK('C', NULL, &opt, "n",
			"show <n> context lines before and after matches",
			context_callback),
		OPT_INTEGER('B', NULL, &opt.pre_context,
			"show <n> context lines before matches"),
		OPT_INTEGER('A', NULL, &opt.post_context,
			"show <n> context lines after matches"),
		OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
			context_callback),
		OPT_BOOLEAN('p', "show-function", &opt.funcname,
			"show a line with the function name before matches"),
		OPT_GROUP(""),
		OPT_CALLBACK('f', NULL, &opt, "file",
			"read patterns from file", file_callback),
		{ OPTION_CALLBACK, 'e', NULL, &opt, "pattern",
			"match <pattern>", PARSE_OPT_NONEG, pattern_callback },
		{ OPTION_CALLBACK, 0, "and", &opt, NULL,
		  "combine patterns specified with -e",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
		OPT_BOOLEAN(0, "or", &dummy, ""),
		{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback },
		{ OPTION_CALLBACK, '(', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  open_callback },
		{ OPTION_CALLBACK, ')', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  close_callback },
		OPT_BOOLEAN('q', "quiet", &opt.status_only,
			    "indicate hit with exit status without output"),
		OPT_BOOLEAN(0, "all-match", &opt.all_match,
			"show only matches from files that match all patterns"),
		OPT_GROUP(""),
		OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
			    "allow calling of grep(1) (ignored by this build)"),
		{ OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage",
		  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
		OPT_END()
	};

	prefix = setup_git_directory_gently(&nongit);

	/*
	 * 'git grep -h', unlike 'git grep -h <pattern>', is a request
	 * to show usage information and exit.
	 */
	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(grep_usage, options);

	memset(&opt, 0, sizeof(opt));
	opt.prefix = prefix;
	opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
	opt.relative = 1;
	opt.pathname = 1;
	opt.pattern_tail = &opt.pattern_list;
	opt.regflags = REG_NEWLINE;
	opt.max_depth = -1;

	strcpy(opt.color_match, GIT_COLOR_RED GIT_COLOR_BOLD);
	opt.color = -1;
	git_config(grep_config, &opt);
	if (opt.color == -1)
		opt.color = git_use_color_default;

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */
	argc = parse_options(argc, argv, prefix, options, grep_usage,
			     PARSE_OPT_KEEP_DASHDASH |
			     PARSE_OPT_STOP_AT_NON_OPTION |
			     PARSE_OPT_NO_INTERNAL_HELP);

	if (use_index && nongit)
		/* die the same way as if we did it at the beginning */
		setup_git_directory();

	/*
	 * skip a -- separator; we know it cannot be
	 * separating revisions from pathnames if
	 * we haven't even had any patterns yet
	 */
	if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) {
		argv++;
		argc--;
	}

	/* First unrecognized non-option token */
	if (argc > 0 && !opt.pattern_list) {
		append_grep_pattern(&opt, argv[0], "command line", 0,
				    GREP_PATTERN);
		argv++;
		argc--;
	}

	if (!opt.pattern_list)
		die("no pattern given.");
	if (!opt.fixed && opt.ignore_case)
		opt.regflags |= REG_ICASE;
	if ((opt.regflags != REG_NEWLINE) && opt.fixed)
		die("cannot mix --fixed-strings and regexp");

#ifndef NO_PTHREADS
	if (online_cpus() == 1 || !grep_threads_ok(&opt))
		use_threads = 0;

	if (use_threads)
		start_threads(&opt);
#else
	use_threads = 0;
#endif

	compile_grep_patterns(&opt);

	/* Check revs and then paths */
	for (i = 0; i < argc; i++) {
		const char *arg = argv[i];
		unsigned char sha1[20];
		/* Is it a rev? */
		if (!get_sha1(arg, sha1)) {
			struct object *object = parse_object(sha1);
			if (!object)
				die("bad object %s", arg);
			add_object_array(object, arg, &list);
			continue;
		}
		if (!strcmp(arg, "--")) {
			i++;
			seen_dashdash = 1;
		}
		break;
	}

	/* The rest are paths */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j]);
	}

	if (i < argc)
		paths = get_pathspec(prefix, argv + i);
	else if (prefix) {
		paths = xcalloc(2, sizeof(const char *));
		paths[0] = prefix;
		paths[1] = NULL;
	}

	if (!use_index) {
		int hit;
		if (cached)
			die("--cached cannot be used with --no-index.");
		if (list.nr)
			die("--no-index cannot be used with revs.");
		hit = grep_directory(&opt, paths);
		if (use_threads)
			hit |= wait_all();
		return !hit;
	}

	if (!list.nr) {
		int hit;
		if (!cached)
			setup_work_tree();

		hit = grep_cache(&opt, paths, cached);
		if (use_threads)
			hit |= wait_all();
		return !hit;
	}

	if (cached)
		die("both --cached and trees are given.");

	for (i = 0; i < list.nr; i++) {
		struct object *real_obj;
		real_obj = deref_tag(list.objects[i].item, NULL, 0);
		if (grep_object(&opt, paths, real_obj, list.objects[i].name)) {
			hit = 1;
			if (opt.status_only)
				break;
		}
	}

	if (use_threads)
		hit |= wait_all();
	free_grep_patterns(&opt);
	return !hit;
}
Esempio n. 17
0
int cmd_ls_files(int argc, const char **argv, const char *prefix)
{
	int require_work_tree = 0, show_tag = 0;
	struct dir_struct dir;
	struct option builtin_ls_files_options[] = {
		{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
			"paths are separated with NUL character",
			PARSE_OPT_NOARG, option_parse_z },
		OPT_BOOLEAN('t', NULL, &show_tag,
			"identify the file status with tags"),
		OPT_BOOLEAN('v', NULL, &show_valid_bit,
			"use lowercase letters for 'assume unchanged' files"),
		OPT_BOOLEAN('c', "cached", &show_cached,
			"show cached files in the output (default)"),
		OPT_BOOLEAN('d', "deleted", &show_deleted,
			"show deleted files in the output"),
		OPT_BOOLEAN('m', "modified", &show_modified,
			"show modified files in the output"),
		OPT_BOOLEAN('o', "others", &show_others,
			"show other files in the output"),
		OPT_BIT('i', "ignored", &dir.flags,
			"show ignored files in the output",
			DIR_SHOW_IGNORED),
		OPT_BOOLEAN('s', "stage", &show_stage,
			"show staged contents' object name in the output"),
		OPT_BOOLEAN('k', "killed", &show_killed,
			"show files on the filesystem that need to be removed"),
		OPT_BIT(0, "directory", &dir.flags,
			"show 'other' directories' name only",
			DIR_SHOW_OTHER_DIRECTORIES),
		OPT_NEGBIT(0, "empty-directory", &dir.flags,
			"don't show empty directories",
			DIR_HIDE_EMPTY_DIRECTORIES),
		OPT_BOOLEAN('u', "unmerged", &show_unmerged,
			"show unmerged files in the output"),
		OPT_BOOLEAN(0, "resolve-undo", &show_resolve_undo,
			    "show resolve-undo information"),
		{ OPTION_CALLBACK, 'x', "exclude", &dir.exclude_list[EXC_CMDL], "pattern",
			"skip files matching pattern",
			0, option_parse_exclude },
		{ OPTION_CALLBACK, 'X', "exclude-from", &dir, "file",
			"exclude patterns are read from <file>",
			0, option_parse_exclude_from },
		OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, "file",
			"read additional per-directory exclude patterns in <file>"),
		{ OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
			"add the standard git exclusions",
			PARSE_OPT_NOARG, option_parse_exclude_standard },
		{ OPTION_SET_INT, 0, "full-name", &prefix_offset, NULL,
			"make the output relative to the project top directory",
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL },
		OPT_BOOLEAN(0, "error-unmatch", &error_unmatch,
			"if any <file> is not in the index, treat this as an error"),
		OPT_STRING(0, "with-tree", &with_tree, "tree-ish",
			"pretend that paths removed since <tree-ish> are still present"),
		OPT__ABBREV(&abbrev),
		OPT_END()
	};

	memset(&dir, 0, sizeof(dir));
	if (prefix)
		prefix_offset = strlen(prefix);
	git_config(git_default_config, NULL);

	if (read_cache() < 0)
		die("index file corrupt");

	argc = parse_options(argc, argv, prefix, builtin_ls_files_options,
			ls_files_usage, 0);
	if (show_tag || show_valid_bit) {
		tag_cached = "H ";
		tag_unmerged = "M ";
		tag_removed = "R ";
		tag_modified = "C ";
		tag_other = "? ";
		tag_killed = "K ";
		tag_skip_worktree = "S ";
		tag_resolve_undo = "U ";
	}
	if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed)
		require_work_tree = 1;
	if (show_unmerged)
		/*
		 * There's no point in showing unmerged unless
		 * you also show the stage information.
		 */
		show_stage = 1;
	if (dir.exclude_per_dir)
		exc_given = 1;

	if (require_work_tree && !is_inside_work_tree())
		setup_work_tree();

	pathspec = get_pathspec(prefix, argv);

	/* be nice with submodule paths ending in a slash */
	if (pathspec)
		strip_trailing_slash_from_submodules();

	/* Verify that the pathspec matches the prefix */
	if (pathspec)
		prefix = verify_pathspec(prefix);

	/* Treat unmatching pathspec elements as errors */
	if (pathspec && error_unmatch) {
		int num;
		for (num = 0; pathspec[num]; num++)
			;
		ps_matched = xcalloc(1, num);
	}

	if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given)
		die("ls-files --ignored needs some exclude pattern");

	/* With no flags, we default to showing the cached files */
	if (!(show_stage | show_deleted | show_others | show_unmerged |
	      show_killed | show_modified | show_resolve_undo))
		show_cached = 1;

	if (prefix)
		prune_cache(prefix);
	if (with_tree) {
		/*
		 * Basic sanity check; show-stages and show-unmerged
		 * would not make any sense with this option.
		 */
		if (show_stage || show_unmerged)
			die("ls-files --with-tree is incompatible with -s or -u");
		overlay_tree_on_cache(with_tree, prefix);
	}
	show_files(&dir, prefix);
	if (show_resolve_undo)
		show_ru_info(prefix);

	if (ps_matched) {
		int bad;
		bad = report_path_error(ps_matched, pathspec, prefix_offset);
		if (bad)
			fprintf(stderr, "Did you forget to 'git add'?\n");

		return bad ? 1 : 0;
	}

	return 0;
}
Esempio n. 18
0
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0, untracked = 0, opt_exclude = -1;
	int seen_dashdash = 0;
	int external_grep_allowed__ignored;
	const char *show_in_pager = NULL, *default_pager = "dummy";
	struct grep_opt opt;
	struct object_array list = OBJECT_ARRAY_INIT;
	struct pathspec pathspec;
	struct string_list path_list = STRING_LIST_INIT_NODUP;
	int i;
	int dummy;
	int use_index = 1;
	int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;
	int allow_revs;

	struct option options[] = {
		OPT_BOOL(0, "cached", &cached,
			N_("search in index instead of in the work tree")),
		OPT_NEGBIT(0, "no-index", &use_index,
			 N_("find in contents not managed by git"), 1),
		OPT_BOOL(0, "untracked", &untracked,
			N_("search in both tracked and untracked files")),
		OPT_SET_INT(0, "exclude-standard", &opt_exclude,
			    N_("ignore files specified via '.gitignore'"), 1),
		OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
			 N_("recursively search in each submodule")),
		OPT_GROUP(""),
		OPT_BOOL('v', "invert-match", &opt.invert,
			N_("show non-matching lines")),
		OPT_BOOL('i', "ignore-case", &opt.ignore_case,
			N_("case insensitive matching")),
		OPT_BOOL('w', "word-regexp", &opt.word_regexp,
			N_("match patterns only at word boundaries")),
		OPT_SET_INT('a', "text", &opt.binary,
			N_("process binary files as text"), GREP_BINARY_TEXT),
		OPT_SET_INT('I', NULL, &opt.binary,
			N_("don't match patterns in binary files"),
			GREP_BINARY_NOMATCH),
		OPT_BOOL(0, "textconv", &opt.allow_textconv,
			 N_("process binary files with textconv filters")),
		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
			N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
			NULL, 1 },
		OPT_GROUP(""),
		OPT_SET_INT('E', "extended-regexp", &pattern_type_arg,
			    N_("use extended POSIX regular expressions"),
			    GREP_PATTERN_TYPE_ERE),
		OPT_SET_INT('G', "basic-regexp", &pattern_type_arg,
			    N_("use basic POSIX regular expressions (default)"),
			    GREP_PATTERN_TYPE_BRE),
		OPT_SET_INT('F', "fixed-strings", &pattern_type_arg,
			    N_("interpret patterns as fixed strings"),
			    GREP_PATTERN_TYPE_FIXED),
		OPT_SET_INT('P', "perl-regexp", &pattern_type_arg,
			    N_("use Perl-compatible regular expressions"),
			    GREP_PATTERN_TYPE_PCRE),
		OPT_GROUP(""),
		OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")),
		OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1),
		OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1),
		OPT_NEGBIT(0, "full-name", &opt.relative,
			N_("show filenames relative to top directory"), 1),
		OPT_BOOL('l', "files-with-matches", &opt.name_only,
			N_("show only filenames instead of matching lines")),
		OPT_BOOL(0, "name-only", &opt.name_only,
			N_("synonym for --files-with-matches")),
		OPT_BOOL('L', "files-without-match",
			&opt.unmatch_name_only,
			N_("show only the names of files without match")),
		OPT_BOOL('z', "null", &opt.null_following_name,
			N_("print NUL after filenames")),
		OPT_BOOL('c', "count", &opt.count,
			N_("show the number of matches instead of matching lines")),
		OPT__COLOR(&opt.color, N_("highlight matches")),
		OPT_BOOL(0, "break", &opt.file_break,
			N_("print empty line between matches from different files")),
		OPT_BOOL(0, "heading", &opt.heading,
			N_("show filename only once above matches from same file")),
		OPT_GROUP(""),
		OPT_CALLBACK('C', "context", &opt, N_("n"),
			N_("show <n> context lines before and after matches"),
			context_callback),
		OPT_INTEGER('B', "before-context", &opt.pre_context,
			N_("show <n> context lines before matches")),
		OPT_INTEGER('A', "after-context", &opt.post_context,
			N_("show <n> context lines after matches")),
		OPT_INTEGER(0, "threads", &num_threads,
			N_("use <n> worker threads")),
		OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
			context_callback),
		OPT_BOOL('p', "show-function", &opt.funcname,
			N_("show a line with the function name before matches")),
		OPT_BOOL('W', "function-context", &opt.funcbody,
			N_("show the surrounding function")),
		OPT_GROUP(""),
		OPT_CALLBACK('f', NULL, &opt, N_("file"),
			N_("read patterns from file"), file_callback),
		{ OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"),
			N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback },
		{ OPTION_CALLBACK, 0, "and", &opt, NULL,
		  N_("combine patterns specified with -e"),
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
		OPT_BOOL(0, "or", &dummy, ""),
		{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback },
		{ OPTION_CALLBACK, '(', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  open_callback },
		{ OPTION_CALLBACK, ')', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  close_callback },
		OPT__QUIET(&opt.status_only,
			   N_("indicate hit with exit status without output")),
		OPT_BOOL(0, "all-match", &opt.all_match,
			N_("show only matches from files that match all patterns")),
		{ OPTION_SET_INT, 0, "debug", &opt.debug, NULL,
		  N_("show parse tree for grep expression"),
		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1 },
		OPT_GROUP(""),
		{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
			N_("pager"), N_("show matching files in the pager"),
			PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
		OPT_BOOL(0, "ext-grep", &external_grep_allowed__ignored,
			 N_("allow calling of grep(1) (ignored by this build)")),
		OPT_END()
	};

	init_grep_defaults();
	git_config(grep_cmd_config, NULL);
	grep_init(&opt, prefix);

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */
	argc = parse_options(argc, argv, prefix, options, grep_usage,
			     PARSE_OPT_KEEP_DASHDASH |
			     PARSE_OPT_STOP_AT_NON_OPTION);
	grep_commit_pattern_type(pattern_type_arg, &opt);

	if (use_index && !startup_info->have_repository) {
		int fallback = 0;
		git_config_get_bool("grep.fallbacktonoindex", &fallback);
		if (fallback)
			use_index = 0;
		else
			/* die the same way as if we did it at the beginning */
			setup_git_directory();
	}

	/*
	 * skip a -- separator; we know it cannot be
	 * separating revisions from pathnames if
	 * we haven't even had any patterns yet
	 */
	if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) {
		argv++;
		argc--;
	}

	/* First unrecognized non-option token */
	if (argc > 0 && !opt.pattern_list) {
		append_grep_pattern(&opt, argv[0], "command line", 0,
				    GREP_PATTERN);
		argv++;
		argc--;
	}

	if (show_in_pager == default_pager)
		show_in_pager = git_pager(1);
	if (show_in_pager) {
		opt.color = 0;
		opt.name_only = 1;
		opt.null_following_name = 1;
		opt.output_priv = &path_list;
		opt.output = append_path;
		string_list_append(&path_list, show_in_pager);
	}

	if (!opt.pattern_list)
		die(_("no pattern given."));

	/*
	 * We have to find "--" in a separate pass, because its presence
	 * influences how we will parse arguments that come before it.
	 */
	for (i = 0; i < argc; i++) {
		if (!strcmp(argv[i], "--")) {
			seen_dashdash = 1;
			break;
		}
	}

	/*
	 * Resolve any rev arguments. If we have a dashdash, then everything up
	 * to it must resolve as a rev. If not, then we stop at the first
	 * non-rev and assume everything else is a path.
	 */
	allow_revs = use_index && !untracked;
	for (i = 0; i < argc; i++) {
		const char *arg = argv[i];
		struct object_id oid;
		struct object_context oc;
		struct object *object;

		if (!strcmp(arg, "--")) {
			i++;
			break;
		}

		if (!allow_revs) {
			if (seen_dashdash)
				die(_("--no-index or --untracked cannot be used with revs"));
			break;
		}

		if (get_oid_with_context(arg, GET_OID_RECORD_PATH,
					 &oid, &oc)) {
			if (seen_dashdash)
				die(_("unable to resolve revision: %s"), arg);
			break;
		}

		object = parse_object_or_die(&oid, arg);
		if (!seen_dashdash)
			verify_non_filename(prefix, arg);
		add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
		free(oc.path);
	}

	/*
	 * Anything left over is presumed to be a path. But in the non-dashdash
	 * "do what I mean" case, we verify and complain when that isn't true.
	 */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j], j == i && allow_revs);
	}

	parse_pathspec(&pathspec, 0,
		       PATHSPEC_PREFER_CWD |
		       (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0),
		       prefix, argv + i);
	pathspec.max_depth = opt.max_depth;
	pathspec.recursive = 1;
	pathspec.recurse_submodules = !!recurse_submodules;

#ifndef NO_PTHREADS
	if (list.nr || cached || show_in_pager)
		num_threads = 0;
	else if (num_threads == 0)
		num_threads = GREP_NUM_THREADS_DEFAULT;
	else if (num_threads < 0)
		die(_("invalid number of threads specified (%d)"), num_threads);
	if (num_threads == 1)
		num_threads = 0;
#else
	if (num_threads)
		warning(_("no threads support, ignoring --threads"));
	num_threads = 0;
#endif

	if (!num_threads)
		/*
		 * The compiled patterns on the main path are only
		 * used when not using threading. Otherwise
		 * start_threads() below calls compile_grep_patterns()
		 * for each thread.
		 */
		compile_grep_patterns(&opt);

#ifndef NO_PTHREADS
	if (num_threads) {
		if (!(opt.name_only || opt.unmatch_name_only || opt.count)
		    && (opt.pre_context || opt.post_context ||
			opt.file_break || opt.funcbody))
			skip_first_line = 1;
		start_threads(&opt);
	}
#endif

	if (show_in_pager && (cached || list.nr))
		die(_("--open-files-in-pager only works on the worktree"));

	if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) {
		const char *pager = path_list.items[0].string;
		int len = strlen(pager);

		if (len > 4 && is_dir_sep(pager[len - 5]))
			pager += len - 4;

		if (opt.ignore_case && !strcmp("less", pager))
			string_list_append(&path_list, "-I");

		if (!strcmp("less", pager) || !strcmp("vi", pager)) {
			struct strbuf buf = STRBUF_INIT;
			strbuf_addf(&buf, "+/%s%s",
					strcmp("less", pager) ? "" : "*",
					opt.pattern_list->pattern);
			string_list_append(&path_list, buf.buf);
			strbuf_detach(&buf, NULL);
		}
	}

	if (recurse_submodules && (!use_index || untracked))
		die(_("option not supported with --recurse-submodules."));

	if (!show_in_pager && !opt.status_only)
		setup_pager();

	if (!use_index && (untracked || cached))
		die(_("--cached or --untracked cannot be used with --no-index."));

	if (!use_index || untracked) {
		int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude;
		hit = grep_directory(&opt, &pathspec, use_exclude, use_index);
	} else if (0 <= opt_exclude) {
		die(_("--[no-]exclude-standard cannot be used for tracked contents."));
	} else if (!list.nr) {
		if (!cached)
			setup_work_tree();

		hit = grep_cache(&opt, the_repository, &pathspec, cached);
	} else {
		if (cached)
			die(_("both --cached and trees are given."));

		hit = grep_objects(&opt, &pathspec, the_repository, &list);
	}

	if (num_threads)
		hit |= wait_all();
	if (hit && show_in_pager)
		run_pager(&opt, prefix);
	clear_pathspec(&pathspec);
	free_grep_patterns(&opt);
	return !hit;
}
Esempio n. 19
0
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
	int newfd, entries, has_errors = 0, nul_term_line = 0;
	enum uc_mode untracked_cache = UC_UNSPECIFIED;
	int read_from_stdin = 0;
	int prefix_length = prefix ? strlen(prefix) : 0;
	int preferred_index_format = 0;
	char set_executable_bit = 0;
	struct refresh_params refresh_args = {0, &has_errors};
	int lock_error = 0;
	int split_index = -1;
	int force_write = 0;
	int fsmonitor = -1;
	struct lock_file lock_file = LOCK_INIT;
	struct parse_opt_ctx_t ctx;
	strbuf_getline_fn getline_fn;
	int parseopt_state = PARSE_OPT_UNKNOWN;
	struct option options[] = {
		OPT_BIT('q', NULL, &refresh_args.flags,
			N_("continue refresh even when index needs update"),
			REFRESH_QUIET),
		OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
			N_("refresh: ignore submodules"),
			REFRESH_IGNORE_SUBMODULES),
		OPT_SET_INT(0, "add", &allow_add,
			N_("do not ignore new files"), 1),
		OPT_SET_INT(0, "replace", &allow_replace,
			N_("let files replace directories and vice-versa"), 1),
		OPT_SET_INT(0, "remove", &allow_remove,
			N_("notice files missing from worktree"), 1),
		OPT_BIT(0, "unmerged", &refresh_args.flags,
			N_("refresh even if index contains unmerged entries"),
			REFRESH_UNMERGED),
		{OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
			N_("refresh stat information"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			refresh_callback},
		{OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
			N_("like --refresh, but ignore assume-unchanged setting"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			really_refresh_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
			N_("<mode>,<object>,<path>"),
			N_("add the specified entry to the index"),
			PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
			(parse_opt_cb *) cacheinfo_callback},
		{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+|-)x",
			N_("override the executable bit of the listed files"),
			PARSE_OPT_NONEG,
			chmod_callback},
		{OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
			N_("mark files as \"not changing\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
			N_("clear assumed-unchanged bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		{OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
			N_("mark files as \"index-only\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
			N_("clear skip-worktree bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		OPT_SET_INT(0, "info-only", &info_only,
			N_("add to index only; do not add content to object database"), 1),
		OPT_SET_INT(0, "force-remove", &force_remove,
			N_("remove named paths even if present in worktree"), 1),
		OPT_BOOL('z', NULL, &nul_term_line,
			 N_("with --stdin: input lines are terminated by null bytes")),
		{OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
			N_("read list of paths to be updated from standard input"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL,
			N_("add entries from standard input to the index"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_cacheinfo_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
			N_("repopulate stages #2 and #3 for the listed paths"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) unresolve_callback},
		{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
			N_("only update entries that differ from HEAD"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) reupdate_callback},
		OPT_BIT(0, "ignore-missing", &refresh_args.flags,
			N_("ignore files missing from worktree"),
			REFRESH_IGNORE_MISSING),
		OPT_SET_INT(0, "verbose", &verbose,
			N_("report actions to standard output"), 1),
		{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
			N_("(for porcelains) forget saved unresolved conflicts"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			resolve_undo_clear_callback},
		OPT_INTEGER(0, "index-version", &preferred_index_format,
			N_("write index in this format")),
		OPT_BOOL(0, "split-index", &split_index,
			N_("enable or disable split index")),
		OPT_BOOL(0, "untracked-cache", &untracked_cache,
			N_("enable/disable untracked cache")),
		OPT_SET_INT(0, "test-untracked-cache", &untracked_cache,
			    N_("test if the filesystem supports untracked cache"), UC_TEST),
		OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
			    N_("enable untracked cache without testing the filesystem"), UC_FORCE),
		OPT_SET_INT(0, "force-write-index", &force_write,
			N_("write out the index even if is not flagged as changed"), 1),
		OPT_BOOL(0, "fsmonitor", &fsmonitor,
			N_("enable or disable file system monitor")),
		{OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL,
			N_("mark files as fsmonitor valid"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL,
			N_("clear fsmonitor valid bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		OPT_END()
	};

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

	git_config(git_default_config, NULL);

	/* we will diagnose later if it turns out that we need to update it */
	newfd = hold_locked_index(&lock_file, 0);
	if (newfd < 0)
		lock_error = errno;

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	/*
	 * Custom copy of parse_options() because we want to handle
	 * filename arguments as they come.
	 */
	parse_options_start(&ctx, argc, argv, prefix,
			    options, PARSE_OPT_STOP_AT_NON_OPTION);
	while (ctx.argc) {
		if (parseopt_state != PARSE_OPT_DONE)
			parseopt_state = parse_options_step(&ctx, options,
							    update_index_usage);
		if (!ctx.argc)
			break;
		switch (parseopt_state) {
		case PARSE_OPT_HELP:
		case PARSE_OPT_ERROR:
			exit(129);
		case PARSE_OPT_NON_OPTION:
		case PARSE_OPT_DONE:
		{
			const char *path = ctx.argv[0];
			char *p;

			setup_work_tree();
			p = prefix_path(prefix, prefix_length, path);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free(p);
			ctx.argc--;
			ctx.argv++;
			break;
		}
		case PARSE_OPT_UNKNOWN:
			if (ctx.argv[0][1] == '-')
				error("unknown option '%s'", ctx.argv[0] + 2);
			else
				error("unknown switch '%c'", *ctx.opt);
			usage_with_options(update_index_usage, options);
		}
	}
	argc = parse_options_end(&ctx);

	getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
	if (preferred_index_format) {
		if (preferred_index_format < INDEX_FORMAT_LB ||
		    INDEX_FORMAT_UB < preferred_index_format)
			die("index-version %d not in range: %d..%d",
			    preferred_index_format,
			    INDEX_FORMAT_LB, INDEX_FORMAT_UB);

		if (the_index.version != preferred_index_format)
			active_cache_changed |= SOMETHING_CHANGED;
		the_index.version = preferred_index_format;
	}

	if (read_from_stdin) {
		struct strbuf buf = STRBUF_INIT;
		struct strbuf unquoted = STRBUF_INIT;

		setup_work_tree();
		while (getline_fn(&buf, stdin) != EOF) {
			char *p;
			if (!nul_term_line && buf.buf[0] == '"') {
				strbuf_reset(&unquoted);
				if (unquote_c_style(&unquoted, buf.buf, NULL))
					die("line is badly quoted");
				strbuf_swap(&buf, &unquoted);
			}
			p = prefix_path(prefix, prefix_length, buf.buf);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free(p);
		}
		strbuf_release(&unquoted);
		strbuf_release(&buf);
	}

	if (split_index > 0) {
		if (git_config_get_split_index() == 0)
			warning(_("core.splitIndex is set to false; "
				  "remove or change it, if you really want to "
				  "enable split index"));
		if (the_index.split_index)
			the_index.cache_changed |= SPLIT_INDEX_ORDERED;
		else
			add_split_index(&the_index);
	} else if (!split_index) {
		if (git_config_get_split_index() == 1)
			warning(_("core.splitIndex is set to true; "
				  "remove or change it, if you really want to "
				  "disable split index"));
		remove_split_index(&the_index);
	}

	switch (untracked_cache) {
	case UC_UNSPECIFIED:
		break;
	case UC_DISABLE:
		if (git_config_get_untracked_cache() == 1)
			warning(_("core.untrackedCache is set to true; "
				  "remove or change it, if you really want to "
				  "disable the untracked cache"));
		remove_untracked_cache(&the_index);
		report(_("Untracked cache disabled"));
		break;
	case UC_TEST:
		setup_work_tree();
		return !test_if_untracked_cache_is_supported();
	case UC_ENABLE:
	case UC_FORCE:
		if (git_config_get_untracked_cache() == 0)
			warning(_("core.untrackedCache is set to false; "
				  "remove or change it, if you really want to "
				  "enable the untracked cache"));
		add_untracked_cache(&the_index);
		report(_("Untracked cache enabled for '%s'"), get_git_work_tree());
		break;
	default:
		BUG("bad untracked_cache value: %d", untracked_cache);
	}

	if (fsmonitor > 0) {
		if (git_config_get_fsmonitor() == 0)
			warning(_("core.fsmonitor is unset; "
				"set it if you really want to "
				"enable fsmonitor"));
		add_fsmonitor(&the_index);
		report(_("fsmonitor enabled"));
	} else if (!fsmonitor) {
		if (git_config_get_fsmonitor() == 1)
			warning(_("core.fsmonitor is set; "
				"remove it if you really want to "
				"disable fsmonitor"));
		remove_fsmonitor(&the_index);
		report(_("fsmonitor disabled"));
	}

	if (active_cache_changed || force_write) {
		if (newfd < 0) {
			if (refresh_args.flags & REFRESH_QUIET)
				exit(128);
			unable_to_lock_die(get_index_file(), lock_error);
		}
		if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
			die("Unable to write new index file");
	}

	rollback_lock_file(&lock_file);

	return has_errors ? 1 : 0;
}
Esempio n. 20
0
int cmd_ls_files(int argc, const char **argv, const char *prefix)
{
	int i;
	int exc_given = 0, require_work_tree = 0;
	struct dir_struct dir;

	memset(&dir, 0, sizeof(dir));
	if (prefix)
		prefix_offset = strlen(prefix);
	git_config(git_default_config, NULL);

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

		if (!strcmp(arg, "--")) {
			i++;
			break;
		}
		if (!strcmp(arg, "-z")) {
			line_terminator = 0;
			continue;
		}
		if (!strcmp(arg, "-t") || !strcmp(arg, "-v")) {
			tag_cached = "H ";
			tag_unmerged = "M ";
			tag_removed = "R ";
			tag_modified = "C ";
			tag_other = "? ";
			tag_killed = "K ";
			if (arg[1] == 'v')
				show_valid_bit = 1;
			continue;
		}
		if (!strcmp(arg, "-c") || !strcmp(arg, "--cached")) {
			show_cached = 1;
			continue;
		}
		if (!strcmp(arg, "-d") || !strcmp(arg, "--deleted")) {
			show_deleted = 1;
			continue;
		}
		if (!strcmp(arg, "-m") || !strcmp(arg, "--modified")) {
			show_modified = 1;
			require_work_tree = 1;
			continue;
		}
		if (!strcmp(arg, "-o") || !strcmp(arg, "--others")) {
			show_others = 1;
			require_work_tree = 1;
			continue;
		}
		if (!strcmp(arg, "-i") || !strcmp(arg, "--ignored")) {
			dir.show_ignored = 1;
			require_work_tree = 1;
			continue;
		}
		if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) {
			show_stage = 1;
			continue;
		}
		if (!strcmp(arg, "-k") || !strcmp(arg, "--killed")) {
			show_killed = 1;
			require_work_tree = 1;
			continue;
		}
		if (!strcmp(arg, "--directory")) {
			dir.show_other_directories = 1;
			continue;
		}
		if (!strcmp(arg, "--no-empty-directory")) {
			dir.hide_empty_directories = 1;
			continue;
		}
		if (!strcmp(arg, "-u") || !strcmp(arg, "--unmerged")) {
			/* There's no point in showing unmerged unless
			 * you also show the stage information.
			 */
			show_stage = 1;
			show_unmerged = 1;
			continue;
		}
		if (!strcmp(arg, "-x") && i+1 < argc) {
			exc_given = 1;
			add_exclude(argv[++i], "", 0, &dir.exclude_list[EXC_CMDL]);
			continue;
		}
		if (!prefixcmp(arg, "--exclude=")) {
			exc_given = 1;
			add_exclude(arg+10, "", 0, &dir.exclude_list[EXC_CMDL]);
			continue;
		}
		if (!strcmp(arg, "-X") && i+1 < argc) {
			exc_given = 1;
			add_excludes_from_file(&dir, argv[++i]);
			continue;
		}
		if (!prefixcmp(arg, "--exclude-from=")) {
			exc_given = 1;
			add_excludes_from_file(&dir, arg+15);
			continue;
		}
		if (!prefixcmp(arg, "--exclude-per-directory=")) {
			exc_given = 1;
			dir.exclude_per_dir = arg + 24;
			continue;
		}
		if (!strcmp(arg, "--exclude-standard")) {
			exc_given = 1;
			setup_standard_excludes(&dir);
			continue;
		}
		if (!strcmp(arg, "--full-name")) {
			prefix_offset = 0;
			continue;
		}
		if (!strcmp(arg, "--error-unmatch")) {
			error_unmatch = 1;
			continue;
		}
		if (!prefixcmp(arg, "--with-tree=")) {
			with_tree = arg + 12;
			continue;
		}
		if (!prefixcmp(arg, "--abbrev=")) {
			abbrev = strtoul(arg+9, NULL, 10);
			if (abbrev && abbrev < MINIMUM_ABBREV)
				abbrev = MINIMUM_ABBREV;
			else if (abbrev > 40)
				abbrev = 40;
			continue;
		}
		if (!strcmp(arg, "--abbrev")) {
			abbrev = DEFAULT_ABBREV;
			continue;
		}
		if (*arg == '-')
			usage(ls_files_usage);
		break;
	}

	if (require_work_tree && !is_inside_work_tree())
		setup_work_tree();

	pathspec = get_pathspec(prefix, argv + i);

	/* Verify that the pathspec matches the prefix */
	if (pathspec)
		prefix = verify_pathspec(prefix);

	/* Treat unmatching pathspec elements as errors */
	if (pathspec && error_unmatch) {
		int num;
		for (num = 0; pathspec[num]; num++)
			;
		ps_matched = xcalloc(1, num);
	}

	if (dir.show_ignored && !exc_given) {
		fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
			argv[0]);
		exit(1);
	}

	/* With no flags, we default to showing the cached files */
	if (!(show_stage | show_deleted | show_others | show_unmerged |
	      show_killed | show_modified))
		show_cached = 1;

	read_cache();
	if (prefix)
		prune_cache(prefix);
	if (with_tree) {
		/*
		 * Basic sanity check; show-stages and show-unmerged
		 * would not make any sense with this option.
		 */
		if (show_stage || show_unmerged)
			die("ls-files --with-tree is incompatible with -s or -u");
		overlay_tree_on_cache(with_tree, prefix);
	}
	show_files(&dir, prefix);

	if (ps_matched) {
		int bad;
		bad = report_path_error(ps_matched, pathspec, prefix_offset);
		if (bad)
			fprintf(stderr, "Did you forget to 'git add'?\n");

		return bad ? 1 : 0;
	}

	return 0;
}
Esempio n. 21
0
File: rm.c Progetto: 136357477/git
int cmd_rm(int argc, const char **argv, const char *prefix)
{
	int i;
	struct pathspec pathspec;
	char *seen;

	gitmodules_config();
	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, builtin_rm_options,
			     builtin_rm_usage, 0);
	if (!argc)
		usage_with_options(builtin_rm_usage, builtin_rm_options);

	if (!index_only)
		setup_work_tree();

	hold_locked_index(&lock_file, 1);

	if (read_cache() < 0)
		die(_("index file corrupt"));

	parse_pathspec(&pathspec, 0,
		       PATHSPEC_PREFER_CWD |
		       PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
		       prefix, argv);
	refresh_index(&the_index, REFRESH_QUIET, &pathspec, NULL, NULL);

	seen = xcalloc(pathspec.nr, 1);

	for (i = 0; i < active_nr; i++) {
		const struct cache_entry *ce = active_cache[i];
		if (!ce_path_match(ce, &pathspec, seen))
			continue;
		ALLOC_GROW(list.entry, list.nr + 1, list.alloc);
		list.entry[list.nr].name = xstrdup(ce->name);
		list.entry[list.nr].is_submodule = S_ISGITLINK(ce->ce_mode);
		if (list.entry[list.nr++].is_submodule &&
		    !is_staging_gitmodules_ok())
			die (_("Please stage your changes to .gitmodules or stash them to proceed"));
	}

	if (pathspec.nr) {
		const char *original;
		int seen_any = 0;
		for (i = 0; i < pathspec.nr; i++) {
			original = pathspec.items[i].original;
			if (!seen[i]) {
				if (!ignore_unmatch) {
					die(_("pathspec '%s' did not match any files"),
					    original);
				}
			}
			else {
				seen_any = 1;
			}
			if (!recursive && seen[i] == MATCHED_RECURSIVELY)
				die(_("not removing '%s' recursively without -r"),
				    *original ? original : ".");
		}

		if (!seen_any)
			exit(0);
	}

	/*
	 * If not forced, the file, the index and the HEAD (if exists)
	 * must match; but the file can already been removed, since
	 * this sequence is a natural "novice" way:
	 *
	 *	rm F; git rm F
	 *
	 * Further, if HEAD commit exists, "diff-index --cached" must
	 * report no changes unless forced.
	 */
	if (!force) {
		unsigned char sha1[20];
		if (get_sha1("HEAD", sha1))
			hashclr(sha1);
		if (check_local_mod(sha1, index_only))
			exit(1);
	} else if (!index_only) {
		if (check_submodules_use_gitfiles())
			exit(1);
	}

	/*
	 * First remove the names from the index: we won't commit
	 * the index unless all of them succeed.
	 */
	for (i = 0; i < list.nr; i++) {
		const char *path = list.entry[i].name;
		if (!quiet)
			printf("rm '%s'\n", path);

		if (remove_file_from_cache(path))
			die(_("git rm: unable to remove %s"), path);
	}

	if (show_only)
		return 0;

	/*
	 * Then, unless we used "--cached", remove the filenames from
	 * the workspace. If we fail to remove the first one, we
	 * abort the "git rm" (but once we've successfully removed
	 * any file at all, we'll go ahead and commit to it all:
	 * by then we've already committed ourselves and can't fail
	 * in the middle)
	 */
	if (!index_only) {
		int removed = 0, gitmodules_modified = 0;
		for (i = 0; i < list.nr; i++) {
			const char *path = list.entry[i].name;
			if (list.entry[i].is_submodule) {
				if (is_empty_dir(path)) {
					if (!rmdir(path)) {
						removed = 1;
						if (!remove_path_from_gitmodules(path))
							gitmodules_modified = 1;
						continue;
					}
				} else {
					struct strbuf buf = STRBUF_INIT;
					strbuf_addstr(&buf, path);
					if (!remove_dir_recursively(&buf, 0)) {
						removed = 1;
						if (!remove_path_from_gitmodules(path))
							gitmodules_modified = 1;
						strbuf_release(&buf);
						continue;
					} else if (!file_exists(path))
						/* Submodule was removed by user */
						if (!remove_path_from_gitmodules(path))
							gitmodules_modified = 1;
					strbuf_release(&buf);
					/* Fallthrough and let remove_path() fail. */
				}
			}
			if (!remove_path(path)) {
				removed = 1;
				continue;
			}
			if (!removed)
				die_errno("git rm: '%s'", path);
		}
		if (gitmodules_modified)
			stage_updated_gitmodules();
	}

	if (active_cache_changed) {
		if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
			die(_("Unable to write new index file"));
	}

	return 0;
}
Esempio n. 22
0
File: rm.c Progetto: 00027jang27/git
int cmd_rm(int argc, const char **argv, const char *prefix)
{
	int i, newfd;
	const char **pathspec;
	char *seen;

	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, builtin_rm_options,
			     builtin_rm_usage, 0);
	if (!argc)
		usage_with_options(builtin_rm_usage, builtin_rm_options);

	if (!index_only)
		setup_work_tree();

	newfd = hold_locked_index(&lock_file, 1);

	if (read_cache() < 0)
		die(_("index file corrupt"));

	/*
	 * Drop trailing directory separators from directories so we'll find
	 * submodules in the index.
	 */
	for (i = 0; i < argc; i++) {
		size_t pathlen = strlen(argv[i]);
		if (pathlen && is_dir_sep(argv[i][pathlen - 1]) &&
		    is_directory(argv[i])) {
			do {
				pathlen--;
			} while (pathlen && is_dir_sep(argv[i][pathlen - 1]));
			argv[i] = xmemdupz(argv[i], pathlen);
		}
	}

	pathspec = get_pathspec(prefix, argv);
	refresh_index(&the_index, REFRESH_QUIET, pathspec, NULL, NULL);

	seen = NULL;
	for (i = 0; pathspec[i] ; i++)
		/* nothing */;
	seen = xcalloc(i, 1);

	for (i = 0; i < active_nr; i++) {
		struct cache_entry *ce = active_cache[i];
		if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen))
			continue;
		ALLOC_GROW(list.entry, list.nr + 1, list.alloc);
		list.entry[list.nr].name = ce->name;
		list.entry[list.nr++].is_submodule = S_ISGITLINK(ce->ce_mode);
	}

	if (pathspec) {
		const char *match;
		int seen_any = 0;
		for (i = 0; (match = pathspec[i]) != NULL ; i++) {
			if (!seen[i]) {
				if (!ignore_unmatch) {
					die(_("pathspec '%s' did not match any files"),
					    match);
				}
			}
			else {
				seen_any = 1;
			}
			if (!recursive && seen[i] == MATCHED_RECURSIVELY)
				die(_("not removing '%s' recursively without -r"),
				    *match ? match : ".");
		}

		if (! seen_any)
			exit(0);
	}

	/*
	 * If not forced, the file, the index and the HEAD (if exists)
	 * must match; but the file can already been removed, since
	 * this sequence is a natural "novice" way:
	 *
	 *	rm F; git rm F
	 *
	 * Further, if HEAD commit exists, "diff-index --cached" must
	 * report no changes unless forced.
	 */
	if (!force) {
		unsigned char sha1[20];
		if (get_sha1("HEAD", sha1))
			hashclr(sha1);
		if (check_local_mod(sha1, index_only))
			exit(1);
	} else if (!index_only) {
		if (check_submodules_use_gitfiles())
			exit(1);
	}

	/*
	 * First remove the names from the index: we won't commit
	 * the index unless all of them succeed.
	 */
	for (i = 0; i < list.nr; i++) {
		const char *path = list.entry[i].name;
		if (!quiet)
			printf("rm '%s'\n", path);

		if (remove_file_from_cache(path))
			die(_("git rm: unable to remove %s"), path);
	}

	if (show_only)
		return 0;

	/*
	 * Then, unless we used "--cached", remove the filenames from
	 * the workspace. If we fail to remove the first one, we
	 * abort the "git rm" (but once we've successfully removed
	 * any file at all, we'll go ahead and commit to it all:
	 * by then we've already committed ourselves and can't fail
	 * in the middle)
	 */
	if (!index_only) {
		int removed = 0;
		for (i = 0; i < list.nr; i++) {
			const char *path = list.entry[i].name;
			if (list.entry[i].is_submodule) {
				if (is_empty_dir(path)) {
					if (!rmdir(path)) {
						removed = 1;
						continue;
					}
				} else {
					struct strbuf buf = STRBUF_INIT;
					strbuf_addstr(&buf, path);
					if (!remove_dir_recursively(&buf, 0)) {
						removed = 1;
						strbuf_release(&buf);
						continue;
					}
					strbuf_release(&buf);
					/* Fallthrough and let remove_path() fail. */
				}
			}
			if (!remove_path(path)) {
				removed = 1;
				continue;
			}
			if (!removed)
				die_errno("git rm: '%s'", path);
		}
	}

	if (active_cache_changed) {
		if (write_cache(newfd, active_cache, active_nr) ||
		    commit_locked_index(&lock_file))
			die(_("Unable to write new index file"));
	}

	return 0;
}
Esempio n. 23
0
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
	int i, newfd, entries, has_errors = 0, line_termination = '\n';
	int allow_options = 1;
	int read_from_stdin = 0;
	int prefix_length = prefix ? strlen(prefix) : 0;
	char set_executable_bit = 0;
	unsigned int refresh_flags = 0;
	int lock_error = 0;
	struct lock_file *lock_file;

	git_config(git_default_config, NULL);

	/* We can't free this memory, it becomes part of a linked list parsed atexit() */
	lock_file = xcalloc(1, sizeof(struct lock_file));

	newfd = hold_locked_index(lock_file, 0);
	if (newfd < 0)
		lock_error = errno;

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	for (i = 1 ; i < argc; i++) {
		const char *path = argv[i];
		const char *p;

		if (allow_options && *path == '-') {
			if (!strcmp(path, "--")) {
				allow_options = 0;
				continue;
			}
			if (!strcmp(path, "-q")) {
				refresh_flags |= REFRESH_QUIET;
				continue;
			}
			if (!strcmp(path, "--ignore-submodules")) {
				refresh_flags |= REFRESH_IGNORE_SUBMODULES;
				continue;
			}
			if (!strcmp(path, "--add")) {
				allow_add = 1;
				continue;
			}
			if (!strcmp(path, "--replace")) {
				allow_replace = 1;
				continue;
			}
			if (!strcmp(path, "--remove")) {
				allow_remove = 1;
				continue;
			}
			if (!strcmp(path, "--unmerged")) {
				refresh_flags |= REFRESH_UNMERGED;
				continue;
			}
			if (!strcmp(path, "--refresh")) {
				setup_work_tree();
				has_errors |= refresh_cache(refresh_flags);
				continue;
			}
			if (!strcmp(path, "--really-refresh")) {
				setup_work_tree();
				has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags);
				continue;
			}
			if (!strcmp(path, "--cacheinfo")) {
				unsigned char sha1[20];
				unsigned int mode;

				if (i+3 >= argc)
					die("git update-index: --cacheinfo <mode> <sha1> <path>");

				if (strtoul_ui(argv[i+1], 8, &mode) ||
				    get_sha1_hex(argv[i+2], sha1) ||
				    add_cacheinfo(mode, sha1, argv[i+3], 0))
					die("git update-index: --cacheinfo"
					    " cannot add %s", argv[i+3]);
				i += 3;
				continue;
			}
			if (!strcmp(path, "--chmod=-x") ||
			    !strcmp(path, "--chmod=+x")) {
				if (argc <= i+1)
					die("git update-index: %s <path>", path);
				set_executable_bit = path[8];
				continue;
			}
			if (!strcmp(path, "--assume-unchanged")) {
				mark_valid_only = MARK_VALID;
				continue;
			}
			if (!strcmp(path, "--no-assume-unchanged")) {
				mark_valid_only = UNMARK_VALID;
				continue;
			}
			if (!strcmp(path, "--info-only")) {
				info_only = 1;
				continue;
			}
			if (!strcmp(path, "--force-remove")) {
				force_remove = 1;
				continue;
			}
			if (!strcmp(path, "-z")) {
				line_termination = 0;
				continue;
			}
			if (!strcmp(path, "--stdin")) {
				if (i != argc - 1)
					die("--stdin must be at the end");
				read_from_stdin = 1;
				break;
			}
			if (!strcmp(path, "--index-info")) {
				if (i != argc - 1)
					die("--index-info must be at the end");
				allow_add = allow_replace = allow_remove = 1;
				read_index_info(line_termination);
				break;
			}
			if (!strcmp(path, "--unresolve")) {
				has_errors = do_unresolve(argc - i, argv + i,
							  prefix, prefix_length);
				if (has_errors)
					active_cache_changed = 0;
				goto finish;
			}
			if (!strcmp(path, "--again") || !strcmp(path, "-g")) {
				setup_work_tree();
				has_errors = do_reupdate(argc - i, argv + i,
							 prefix, prefix_length);
				if (has_errors)
					active_cache_changed = 0;
				goto finish;
			}
			if (!strcmp(path, "--ignore-missing")) {
				refresh_flags |= REFRESH_IGNORE_MISSING;
				continue;
			}
			if (!strcmp(path, "--verbose")) {
				verbose = 1;
				continue;
			}
			if (!strcmp(path, "-h") || !strcmp(path, "--help"))
				usage(update_index_usage);
			die("unknown option %s", path);
		}
		setup_work_tree();
		p = prefix_path(prefix, prefix_length, path);
		update_one(p, NULL, 0);
		if (set_executable_bit)
			chmod_path(set_executable_bit, p);
		if (p < path || p > path + strlen(path))
			free((char*)p);
	}
	if (read_from_stdin) {
		struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;

		setup_work_tree();
		while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
			const char *p;
			if (line_termination && buf.buf[0] == '"') {
				strbuf_reset(&nbuf);
				if (unquote_c_style(&nbuf, buf.buf, NULL))
					die("line is badly quoted");
				strbuf_swap(&buf, &nbuf);
			}
			p = prefix_path(prefix, prefix_length, buf.buf);
			update_one(p, NULL, 0);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			if (p < buf.buf || p > buf.buf + buf.len)
				free((char *)p);
		}
		strbuf_release(&nbuf);
		strbuf_release(&buf);
	}

 finish:
	if (active_cache_changed) {
		if (newfd < 0) {
			if (refresh_flags & REFRESH_QUIET)
				exit(128);
			unable_to_lock_index_die(get_index_file(), lock_error);
		}
		if (write_cache(newfd, active_cache, active_nr) ||
		    commit_locked_index(lock_file))
			die("Unable to write new index file");
	}

	rollback_lock_file(lock_file);

	return has_errors ? 1 : 0;
}
Esempio n. 24
0
File: clone.c Progetto: 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;
}
Esempio n. 25
0
int cmd_reset(int argc, const char **argv, const char *prefix)
{
	int reset_type = NONE, update_ref_status = 0, quiet = 0;
	int patch_mode = 0, unborn;
	const char *rev;
	unsigned char sha1[20];
	const char **pathspec = NULL;
	const struct option options[] = {
		OPT__QUIET(&quiet, N_("be quiet, only report errors")),
		OPT_SET_INT(0, "mixed", &reset_type,
						N_("reset HEAD and index"), MIXED),
		OPT_SET_INT(0, "soft", &reset_type, N_("reset only HEAD"), SOFT),
		OPT_SET_INT(0, "hard", &reset_type,
				N_("reset HEAD, index and working tree"), HARD),
		OPT_SET_INT(0, "merge", &reset_type,
				N_("reset HEAD, index and working tree"), MERGE),
		OPT_SET_INT(0, "keep", &reset_type,
				N_("reset HEAD but keep local changes"), KEEP),
		OPT_BOOL('p', "patch", &patch_mode, N_("select hunks interactively")),
		OPT_END()
	};

	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, options, git_reset_usage,
						PARSE_OPT_KEEP_DASHDASH);
	pathspec = parse_args(argv, prefix, &rev);

	unborn = !strcmp(rev, "HEAD") && get_sha1("HEAD", sha1);
	if (unborn) {
		/* reset on unborn branch: treat as reset to empty tree */
		hashcpy(sha1, EMPTY_TREE_SHA1_BIN);
	} else if (!pathspec) {
		struct commit *commit;
		if (get_sha1_committish(rev, sha1))
			die(_("Failed to resolve '%s' as a valid revision."), rev);
		commit = lookup_commit_reference(sha1);
		if (!commit)
			die(_("Could not parse object '%s'."), rev);
		hashcpy(sha1, commit->object.sha1);
	} else {
		struct tree *tree;
		if (get_sha1_treeish(rev, sha1))
			die(_("Failed to resolve '%s' as a valid tree."), rev);
		tree = parse_tree_indirect(sha1);
		if (!tree)
			die(_("Could not parse object '%s'."), rev);
		hashcpy(sha1, tree->object.sha1);
	}

	if (patch_mode) {
		if (reset_type != NONE)
			die(_("--patch is incompatible with --{hard,mixed,soft}"));
		return run_add_interactive(sha1_to_hex(sha1), "--patch=reset", pathspec);
	}

	/* git reset tree [--] paths... can be used to
	 * load chosen paths from the tree into the index without
	 * affecting the working tree nor HEAD. */
	if (pathspec) {
		if (reset_type == MIXED)
			warning(_("--mixed with paths is deprecated; use 'git reset -- <paths>' instead."));
		else if (reset_type != NONE)
			die(_("Cannot do %s reset with paths."),
					_(reset_type_names[reset_type]));
	}
	if (reset_type == NONE)
		reset_type = MIXED; /* by default */

	if (reset_type != SOFT && reset_type != MIXED)
		setup_work_tree();

	if (reset_type == MIXED && is_bare_repository())
		die(_("%s reset is not allowed in a bare repository"),
		    _(reset_type_names[reset_type]));

	/* Soft reset does not touch the index file nor the working tree
	 * at all, but requires them in a good order.  Other resets reset
	 * the index file to the tree object we are switching to. */
	if (reset_type == SOFT || reset_type == KEEP)
		die_if_unmerged_cache(reset_type);

	if (reset_type != SOFT) {
		struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
		int newfd = hold_locked_index(lock, 1);
		if (reset_type == MIXED) {
			if (read_from_tree(pathspec, sha1))
				return 1;
		} else {
			int err = reset_index(sha1, reset_type, quiet);
			if (reset_type == KEEP && !err)
				err = reset_index(sha1, MIXED, quiet);
			if (err)
				die(_("Could not reset index file to revision '%s'."), rev);
		}

		if (reset_type == MIXED) { /* Report what has not been updated. */
			int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
			refresh_index(&the_index, flags, NULL, NULL,
				      _("Unstaged changes after reset:"));
		}

		if (write_cache(newfd, active_cache, active_nr) ||
		    commit_locked_index(lock))
			die(_("Could not write new index file."));
	}

	if (!pathspec && !unborn) {
		/* Any resets without paths update HEAD to the head being
		 * switched to, saving the previous head in ORIG_HEAD before. */
		update_ref_status = update_refs(rev, sha1);

		if (reset_type == HARD && !update_ref_status && !quiet)
			print_new_head_line(lookup_commit_reference(sha1));
	}
	if (!pathspec)
		remove_branch_state();

	return update_ref_status;
}
Esempio n. 26
0
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0;
	int seen_dashdash = 0;
	struct grep_opt opt;
	struct object_array list = { 0, 0, NULL };
	const char **paths = NULL;
	int i;

	memset(&opt, 0, sizeof(opt));
	opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
	opt.relative = 1;
	opt.pathname = 1;
	opt.pattern_tail = &opt.pattern_list;
	opt.regflags = REG_NEWLINE;

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */

	while (1 < argc) {
		const char *arg = argv[1];
		argc--; argv++;
		if (!strcmp("--cached", arg)) {
			cached = 1;
			continue;
		}
		if (!strcmp("--no-ext-grep", arg)) {
			builtin_grep = 1;
			continue;
		}
		if (!strcmp("-a", arg) ||
		    !strcmp("--text", arg)) {
			opt.binary = GREP_BINARY_TEXT;
			continue;
		}
		if (!strcmp("-i", arg) ||
		    !strcmp("--ignore-case", arg)) {
			opt.regflags |= REG_ICASE;
			continue;
		}
		if (!strcmp("-I", arg)) {
			opt.binary = GREP_BINARY_NOMATCH;
			continue;
		}
		if (!strcmp("-v", arg) ||
		    !strcmp("--invert-match", arg)) {
			opt.invert = 1;
			continue;
		}
		if (!strcmp("-E", arg) ||
		    !strcmp("--extended-regexp", arg)) {
			opt.regflags |= REG_EXTENDED;
			continue;
		}
		if (!strcmp("-F", arg) ||
		    !strcmp("--fixed-strings", arg)) {
			opt.fixed = 1;
			continue;
		}
		if (!strcmp("-G", arg) ||
		    !strcmp("--basic-regexp", arg)) {
			opt.regflags &= ~REG_EXTENDED;
			continue;
		}
		if (!strcmp("-n", arg)) {
			opt.linenum = 1;
			continue;
		}
		if (!strcmp("-h", arg)) {
			opt.pathname = 0;
			continue;
		}
		if (!strcmp("-H", arg)) {
			opt.pathname = 1;
			continue;
		}
		if (!strcmp("-l", arg) ||
		    !strcmp("--name-only", arg) ||
		    !strcmp("--files-with-matches", arg)) {
			opt.name_only = 1;
			continue;
		}
		if (!strcmp("-L", arg) ||
		    !strcmp("--files-without-match", arg)) {
			opt.unmatch_name_only = 1;
			continue;
		}
		if (!strcmp("-z", arg) ||
		    !strcmp("--null", arg)) {
			opt.null_following_name = 1;
			continue;
		}
		if (!strcmp("-c", arg) ||
		    !strcmp("--count", arg)) {
			opt.count = 1;
			continue;
		}
		if (!strcmp("-w", arg) ||
		    !strcmp("--word-regexp", arg)) {
			opt.word_regexp = 1;
			continue;
		}
		if (!prefixcmp(arg, "-A") ||
		    !prefixcmp(arg, "-B") ||
		    !prefixcmp(arg, "-C") ||
		    (arg[0] == '-' && '1' <= arg[1] && arg[1] <= '9')) {
			unsigned num;
			const char *scan;
			switch (arg[1]) {
			case 'A': case 'B': case 'C':
				if (!arg[2]) {
					if (argc <= 1)
						die(emsg_missing_context_len);
					scan = *++argv;
					argc--;
				}
				else
					scan = arg + 2;
				break;
			default:
				scan = arg + 1;
				break;
			}
			if (strtoul_ui(scan, 10, &num))
				die(emsg_invalid_context_len, scan);
			switch (arg[1]) {
			case 'A':
				opt.post_context = num;
				break;
			default:
			case 'C':
				opt.post_context = num;
			case 'B':
				opt.pre_context = num;
				break;
			}
			continue;
		}
		if (!strcmp("-f", arg)) {
			FILE *patterns;
			int lno = 0;
			char buf[1024];
			if (argc <= 1)
				die(emsg_missing_argument, arg);
			patterns = fopen(argv[1], "r");
			if (!patterns)
				die("'%s': %s", argv[1], strerror(errno));
			while (fgets(buf, sizeof(buf), patterns)) {
				int len = strlen(buf);
				if (len && buf[len-1] == '\n')
					buf[len-1] = 0;
				/* ignore empty line like grep does */
				if (!buf[0])
					continue;
				append_grep_pattern(&opt, xstrdup(buf),
						    argv[1], ++lno,
						    GREP_PATTERN);
			}
			fclose(patterns);
			argv++;
			argc--;
			continue;
		}
		if (!strcmp("--not", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_NOT);
			continue;
		}
		if (!strcmp("--and", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_AND);
			continue;
		}
		if (!strcmp("--or", arg))
			continue; /* no-op */
		if (!strcmp("(", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_OPEN_PAREN);
			continue;
		}
		if (!strcmp(")", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_CLOSE_PAREN);
			continue;
		}
		if (!strcmp("--all-match", arg)) {
			opt.all_match = 1;
			continue;
		}
		if (!strcmp("-e", arg)) {
			if (1 < argc) {
				append_grep_pattern(&opt, argv[1],
						    "-e option", 0,
						    GREP_PATTERN);
				argv++;
				argc--;
				continue;
			}
			die(emsg_missing_argument, arg);
		}
		if (!strcmp("--full-name", arg)) {
			opt.relative = 0;
			continue;
		}
		if (!strcmp("--", arg)) {
			/* later processing wants to have this at argv[1] */
			argv--;
			argc++;
			break;
		}
		if (*arg == '-')
			usage(builtin_grep_usage);

		/* First unrecognized non-option token */
		if (!opt.pattern_list) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_PATTERN);
			break;
		}
		else {
			/* We are looking at the first path or rev;
			 * it is found at argv[1] after leaving the
			 * loop.
			 */
			argc++; argv--;
			break;
		}
	}

	if (!opt.pattern_list)
		die("no pattern given.");
	if ((opt.regflags != REG_NEWLINE) && opt.fixed)
		die("cannot mix --fixed-strings and regexp");
	compile_grep_patterns(&opt);

	/* Check revs and then paths */
	for (i = 1; i < argc; i++) {
		const char *arg = argv[i];
		unsigned char sha1[20];
		/* Is it a rev? */
		if (!get_sha1(arg, sha1)) {
			struct object *object = parse_object(sha1);
			if (!object)
				die("bad object %s", arg);
			add_object_array(object, arg, &list);
			continue;
		}
		if (!strcmp(arg, "--")) {
			i++;
			seen_dashdash = 1;
		}
		break;
	}

	/* The rest are paths */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j]);
	}

	if (i < argc) {
		paths = get_pathspec(prefix, argv + i);
		if (opt.prefix_length && opt.relative) {
			/* Make sure we do not get outside of paths */
			for (i = 0; paths[i]; i++)
				if (strncmp(prefix, paths[i], opt.prefix_length))
					die("git grep: cannot generate relative filenames containing '..'");
		}
	}
	else if (prefix) {
		paths = xcalloc(2, sizeof(const char *));
		paths[0] = prefix;
		paths[1] = NULL;
	}

	if (!list.nr) {
		if (!cached)
			setup_work_tree();
		return !grep_cache(&opt, paths, cached);
	}

	if (cached)
		die("both --cached and trees are given.");

	for (i = 0; i < list.nr; i++) {
		struct object *real_obj;
		real_obj = deref_tag(list.objects[i].item, NULL, 0);
		if (grep_object(&opt, paths, real_obj, list.objects[i].name))
			hit = 1;
	}
	free_grep_patterns(&opt);
	return !hit;
}
Esempio n. 27
0
File: git.c Progetto: benpeart/git
static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
{
	int status, help;
	struct stat st;
	const char *prefix;

	prefix = NULL;
	help = argc == 2 && !strcmp(argv[1], "-h");
	if (!help) {
		if (p->option & RUN_SETUP)
			prefix = setup_git_directory();
		else if (p->option & RUN_SETUP_GENTLY) {
			int nongit_ok;
			prefix = setup_git_directory_gently(&nongit_ok);
		}

		if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY) &&
		    !(p->option & DELAY_PAGER_CONFIG))
			use_pager = check_pager_config(p->cmd);
		if (use_pager == -1 && p->option & USE_PAGER)
			use_pager = 1;

		if ((p->option & (RUN_SETUP | RUN_SETUP_GENTLY)) &&
		    startup_info->have_repository) /* get_git_dir() may set up repo, avoid that */
			trace_repo_setup(prefix);
	}
	commit_pager_choice();

	if (!help && get_super_prefix()) {
		if (!(p->option & SUPPORT_SUPER_PREFIX))
			die("%s doesn't support --super-prefix", p->cmd);
	}

	if (!help && p->option & NEED_WORK_TREE)
		setup_work_tree();

	if (run_pre_command_hook(argv))
		die("pre-command hook aborted command");

	trace_argv_printf(argv, "trace: built-in: git");

	/*
	 * Validate the state of the cache entries in the index before and
	 * after running the command. Validation is only performed if the
	 * appropriate environment variable is set.
	 */
	validate_cache_entries(&the_index);
	exit_code = status = p->fn(argc, argv, prefix);
	validate_cache_entries(&the_index);
	if (status)
		return status;

	run_post_command_hook();

	/* Somebody closed stdout? */
	if (fstat(fileno(stdout), &st))
		return 0;
	/* Ignore write errors for pipes and sockets.. */
	if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode))
		return 0;

	/* Check for ENOSPC and EIO errors.. */
	if (fflush(stdout))
		die_errno("write failure on standard output");
	if (ferror(stdout))
		die("unknown write failure on standard output");
	if (fclose(stdout))
		die_errno("close failed on standard output");
	return 0;
}
Esempio n. 28
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;
}
Esempio n. 29
0
File: grep.c Progetto: Gregg1/git
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0, untracked = 0, opt_exclude = -1;
	int seen_dashdash = 0;
	int external_grep_allowed__ignored;
	const char *show_in_pager = NULL, *default_pager = "dummy";
	struct grep_opt opt;
	struct object_array list = OBJECT_ARRAY_INIT;
	const char **paths = NULL;
	struct pathspec pathspec;
	struct string_list path_list = STRING_LIST_INIT_NODUP;
	int i;
	int dummy;
	int use_index = 1;
	int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;

	struct option options[] = {
		OPT_BOOLEAN(0, "cached", &cached,
			N_("search in index instead of in the work tree")),
		OPT_NEGBIT(0, "no-index", &use_index,
			 N_("find in contents not managed by git"), 1),
		OPT_BOOLEAN(0, "untracked", &untracked,
			N_("search in both tracked and untracked files")),
		OPT_SET_INT(0, "exclude-standard", &opt_exclude,
			    N_("search also in ignored files"), 1),
		OPT_GROUP(""),
		OPT_BOOLEAN('v', "invert-match", &opt.invert,
			N_("show non-matching lines")),
		OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
			N_("case insensitive matching")),
		OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
			N_("match patterns only at word boundaries")),
		OPT_SET_INT('a', "text", &opt.binary,
			N_("process binary files as text"), GREP_BINARY_TEXT),
		OPT_SET_INT('I', NULL, &opt.binary,
			N_("don't match patterns in binary files"),
			GREP_BINARY_NOMATCH),
		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
			N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
			NULL, 1 },
		OPT_GROUP(""),
		OPT_SET_INT('E', "extended-regexp", &pattern_type_arg,
			    N_("use extended POSIX regular expressions"),
			    GREP_PATTERN_TYPE_ERE),
		OPT_SET_INT('G', "basic-regexp", &pattern_type_arg,
			    N_("use basic POSIX regular expressions (default)"),
			    GREP_PATTERN_TYPE_BRE),
		OPT_SET_INT('F', "fixed-strings", &pattern_type_arg,
			    N_("interpret patterns as fixed strings"),
			    GREP_PATTERN_TYPE_FIXED),
		OPT_SET_INT('P', "perl-regexp", &pattern_type_arg,
			    N_("use Perl-compatible regular expressions"),
			    GREP_PATTERN_TYPE_PCRE),
		OPT_GROUP(""),
		OPT_BOOLEAN('n', "line-number", &opt.linenum, N_("show line numbers")),
		OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1),
		OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1),
		OPT_NEGBIT(0, "full-name", &opt.relative,
			N_("show filenames relative to top directory"), 1),
		OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
			N_("show only filenames instead of matching lines")),
		OPT_BOOLEAN(0, "name-only", &opt.name_only,
			N_("synonym for --files-with-matches")),
		OPT_BOOLEAN('L', "files-without-match",
			&opt.unmatch_name_only,
			N_("show only the names of files without match")),
		OPT_BOOLEAN('z', "null", &opt.null_following_name,
			N_("print NUL after filenames")),
		OPT_BOOLEAN('c', "count", &opt.count,
			N_("show the number of matches instead of matching lines")),
		OPT__COLOR(&opt.color, N_("highlight matches")),
		OPT_BOOLEAN(0, "break", &opt.file_break,
			N_("print empty line between matches from different files")),
		OPT_BOOLEAN(0, "heading", &opt.heading,
			N_("show filename only once above matches from same file")),
		OPT_GROUP(""),
		OPT_CALLBACK('C', "context", &opt, N_("n"),
			N_("show <n> context lines before and after matches"),
			context_callback),
		OPT_INTEGER('B', "before-context", &opt.pre_context,
			N_("show <n> context lines before matches")),
		OPT_INTEGER('A', "after-context", &opt.post_context,
			N_("show <n> context lines after matches")),
		OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
			context_callback),
		OPT_BOOLEAN('p', "show-function", &opt.funcname,
			N_("show a line with the function name before matches")),
		OPT_BOOLEAN('W', "function-context", &opt.funcbody,
			N_("show the surrounding function")),
		OPT_GROUP(""),
		OPT_CALLBACK('f', NULL, &opt, N_("file"),
			N_("read patterns from file"), file_callback),
		{ OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"),
			N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback },
		{ OPTION_CALLBACK, 0, "and", &opt, NULL,
		  N_("combine patterns specified with -e"),
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
		OPT_BOOLEAN(0, "or", &dummy, ""),
		{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback },
		{ OPTION_CALLBACK, '(', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  open_callback },
		{ OPTION_CALLBACK, ')', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  close_callback },
		OPT__QUIET(&opt.status_only,
			   N_("indicate hit with exit status without output")),
		OPT_BOOLEAN(0, "all-match", &opt.all_match,
			N_("show only matches from files that match all patterns")),
		{ OPTION_SET_INT, 0, "debug", &opt.debug, NULL,
		  N_("show parse tree for grep expression"),
		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1 },
		OPT_GROUP(""),
		{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
			N_("pager"), N_("show matching files in the pager"),
			PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
		OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
			    N_("allow calling of grep(1) (ignored by this build)")),
		{ OPTION_CALLBACK, 0, "help-all", &options, NULL, N_("show usage"),
		  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
		OPT_END()
	};

	/*
	 * 'git grep -h', unlike 'git grep -h <pattern>', is a request
	 * to show usage information and exit.
	 */
	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(grep_usage, options);

	init_grep_defaults();
	git_config(grep_cmd_config, NULL);
	grep_init(&opt, prefix);

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */
	argc = parse_options(argc, argv, prefix, options, grep_usage,
			     PARSE_OPT_KEEP_DASHDASH |
			     PARSE_OPT_STOP_AT_NON_OPTION |
			     PARSE_OPT_NO_INTERNAL_HELP);
	grep_commit_pattern_type(pattern_type_arg, &opt);

	if (use_index && !startup_info->have_repository)
		/* die the same way as if we did it at the beginning */
		setup_git_directory();

	/*
	 * skip a -- separator; we know it cannot be
	 * separating revisions from pathnames if
	 * we haven't even had any patterns yet
	 */
	if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) {
		argv++;
		argc--;
	}

	/* First unrecognized non-option token */
	if (argc > 0 && !opt.pattern_list) {
		append_grep_pattern(&opt, argv[0], "command line", 0,
				    GREP_PATTERN);
		argv++;
		argc--;
	}

	if (show_in_pager == default_pager)
		show_in_pager = git_pager(1);
	if (show_in_pager) {
		opt.color = 0;
		opt.name_only = 1;
		opt.null_following_name = 1;
		opt.output_priv = &path_list;
		opt.output = append_path;
		string_list_append(&path_list, show_in_pager);
		use_threads = 0;
	}
	if ((opt.binary & GREP_BINARY_NOMATCH))
		use_threads = 0;

	if (!opt.pattern_list)
		die(_("no pattern given."));
	if (!opt.fixed && opt.ignore_case)
		opt.regflags |= REG_ICASE;

	compile_grep_patterns(&opt);

	/* Check revs and then paths */
	for (i = 0; i < argc; i++) {
		const char *arg = argv[i];
		unsigned char sha1[20];
		/* Is it a rev? */
		if (!get_sha1(arg, sha1)) {
			struct object *object = parse_object(sha1);
			if (!object)
				die(_("bad object %s"), arg);
			add_object_array(object, arg, &list);
			continue;
		}
		if (!strcmp(arg, "--")) {
			i++;
			seen_dashdash = 1;
		}
		break;
	}

#ifndef NO_PTHREADS
	if (list.nr || cached || online_cpus() == 1)
		use_threads = 0;
#else
	use_threads = 0;
#endif

#ifndef NO_PTHREADS
	if (use_threads) {
		if (!(opt.name_only || opt.unmatch_name_only || opt.count)
		    && (opt.pre_context || opt.post_context ||
			opt.file_break || opt.funcbody))
			skip_first_line = 1;
		start_threads(&opt);
	}
#endif

	/* The rest are paths */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j], j == i);
	}

	paths = get_pathspec(prefix, argv + i);
	init_pathspec(&pathspec, paths);
	pathspec.max_depth = opt.max_depth;
	pathspec.recursive = 1;

	if (show_in_pager && (cached || list.nr))
		die(_("--open-files-in-pager only works on the worktree"));

	if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) {
		const char *pager = path_list.items[0].string;
		int len = strlen(pager);

		if (len > 4 && is_dir_sep(pager[len - 5]))
			pager += len - 4;

		if (opt.ignore_case && !strcmp("less", pager))
			string_list_append(&path_list, "-i");

		if (!strcmp("less", pager) || !strcmp("vi", pager)) {
			struct strbuf buf = STRBUF_INIT;
			strbuf_addf(&buf, "+/%s%s",
					strcmp("less", pager) ? "" : "*",
					opt.pattern_list->pattern);
			string_list_append(&path_list, buf.buf);
			strbuf_detach(&buf, NULL);
		}
	}

	if (!show_in_pager)
		setup_pager();

	if (!use_index && (untracked || cached))
		die(_("--cached or --untracked cannot be used with --no-index."));

	if (!use_index || untracked) {
		int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude;
		if (list.nr)
			die(_("--no-index or --untracked cannot be used with revs."));
		hit = grep_directory(&opt, &pathspec, use_exclude);
	} else if (0 <= opt_exclude) {
		die(_("--[no-]exclude-standard cannot be used for tracked contents."));
	} else if (!list.nr) {
		if (!cached)
			setup_work_tree();

		hit = grep_cache(&opt, &pathspec, cached);
	} else {
		if (cached)
			die(_("both --cached and trees are given."));
		hit = grep_objects(&opt, &pathspec, &list);
	}

	if (use_threads)
		hit |= wait_all();
	if (hit && show_in_pager)
		run_pager(&opt, prefix);
	free_grep_patterns(&opt);
	return !hit;
}
Esempio n. 30
0
int cmd_stash(int argc, const char **argv, const char *prefix)
{
	int i = -1;
	pid_t pid = getpid();
	const char *index_file;
	struct argv_array args = ARGV_ARRAY_INIT;

	struct option options[] = {
		OPT_END()
	};

	if (!use_builtin_stash()) {
		const char *path = mkpath("%s/git-legacy-stash",
					  git_exec_path());

		if (sane_execvp(path, (char **)argv) < 0)
			die_errno(_("could not exec %s"), path);
		else
			BUG("sane_execvp() returned???");
	}

	prefix = setup_git_directory();
	trace_repo_setup(prefix);
	setup_work_tree();

	git_config(git_diff_basic_config, NULL);

	argc = parse_options(argc, argv, prefix, options, git_stash_usage,
			     PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH);

	index_file = get_index_file();
	strbuf_addf(&stash_index_path, "%s.stash.%" PRIuMAX, index_file,
		    (uintmax_t)pid);

	if (!argc)
		return !!push_stash(0, NULL, prefix);
	else if (!strcmp(argv[0], "apply"))
		return !!apply_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "clear"))
		return !!clear_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "drop"))
		return !!drop_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "pop"))
		return !!pop_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "branch"))
		return !!branch_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "list"))
		return !!list_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "show"))
		return !!show_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "store"))
		return !!store_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "create"))
		return !!create_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "push"))
		return !!push_stash(argc, argv, prefix);
	else if (!strcmp(argv[0], "save"))
		return !!save_stash(argc, argv, prefix);
	else if (*argv[0] != '-')
		usage_msg_opt(xstrfmt(_("unknown subcommand: %s"), argv[0]),
			      git_stash_usage, options);

	if (strcmp(argv[0], "-p")) {
		while (++i < argc && strcmp(argv[i], "--")) {
			/*
			 * `akpqu` is a string which contains all short options,
			 * except `-m` which is verified separately.
			 */
			if ((strlen(argv[i]) == 2) && *argv[i] == '-' &&
			    strchr("akpqu", argv[i][1]))
				continue;

			if (!strcmp(argv[i], "--all") ||
			    !strcmp(argv[i], "--keep-index") ||
			    !strcmp(argv[i], "--no-keep-index") ||
			    !strcmp(argv[i], "--patch") ||
			    !strcmp(argv[i], "--quiet") ||
			    !strcmp(argv[i], "--include-untracked"))
				continue;

			/*
			 * `-m` and `--message=` are verified separately because
			 * they need to be immediately followed by a string
			 * (i.e.`-m"foobar"` or `--message="foobar"`).
			 */
			if (starts_with(argv[i], "-m") ||
			    starts_with(argv[i], "--message="))
				continue;

			usage_with_options(git_stash_usage, options);
		}
	}

	argv_array_push(&args, "push");
	argv_array_pushv(&args, argv);
	return !!push_stash(args.argc, args.argv, prefix);
}