Function parse_treeish_arg

archive.c:485–552

}

static void parse_treeish_arg(const char **argv,
			      struct archiver_args *ar_args, int remote)
{
	const char *name = argv[0];
	const struct object_id *commit_oid;
	time_t archive_time;
	struct tree *tree;
	const struct commit *commit;
	struct object_id oid;
	char *ref = NULL;

	/* Remotes are only allowed to fetch actual refs */
	if (remote && !remote_allow_unreachable) {
		const char *colon = strchrnul(name, ':');
		int refnamelen = colon - name;

		if (!repo_dwim_ref(the_repository, name, refnamelen, &oid, &ref, 0))
			die(_("no such ref: %.*s"), refnamelen, name);
	} else {
		repo_dwim_ref(the_repository, name, strlen(name), &oid, &ref,
			      0);
	}

	if (repo_get_oid(the_repository, name, &oid))
		die(_("not a valid object name: %s"), name);

	commit = lookup_commit_reference_gently(ar_args->repo, &oid, 1);
	if (commit) {
		commit_oid = &commit->object.oid;
		archive_time = commit->date;
	} else {
		commit_oid = NULL;
		archive_time = time(NULL);
	}
	if (ar_args->mtime_option)
		archive_time = approxidate(ar_args->mtime_option);

	tree = repo_parse_tree_indirect(the_repository, &oid);
	if (!tree)
		die(_("not a tree object: %s"), oid_to_hex(&oid));

	/*
	 * Setup index and instruct attr to read index only
	 */
	if (!ar_args->worktree_attributes) {
		struct unpack_trees_options opts;
		struct tree_desc t;

		memset(&opts, 0, sizeof(opts));
		opts.index_only = 1;
		opts.head_idx = -1;
		opts.src_index = ar_args->repo->index;
		opts.dst_index = ar_args->repo->index;
		opts.fn = oneway_merge;
		init_tree_desc(&t, &tree->object.oid, tree->buffer, tree->size);
		if (unpack_trees(1, &t, &opts))
			die(_("failed to unpack tree object %s"),
			    oid_to_hex(&tree->object.oid));