Function init_pathspec_item

pathspec.c:447–552

* Perform the initialization of a pathspec_item based on a pathspec element. */

 * Perform the initialization of a pathspec_item based on a pathspec element.
 */
static void init_pathspec_item(struct pathspec_item *item, unsigned flags,
			       const char *prefix, int prefixlen,
			       const char *elt)
{
	unsigned magic = 0, element_magic = 0;
	const char *copyfrom = elt;
	char *match;
	int pathspec_prefix = -1;

	item->attr_check = NULL;
	item->attr_match = NULL;
	item->attr_match_nr = 0;

	/* PATHSPEC_LITERAL_PATH ignores magic */
	if (flags & PATHSPEC_LITERAL_PATH) {
		magic = PATHSPEC_LITERAL;
	} else {
		copyfrom = parse_element_magic(&element_magic,
					       &pathspec_prefix,
					       item,
					       elt);
		magic |= element_magic;
		magic |= get_global_magic(element_magic);
	}

	item->magic = magic;

	if (pathspec_prefix >= 0 &&
	    (prefixlen || (prefix && *prefix)))
		BUG("'prefix' magic is supposed to be used at worktree's root");

	if ((magic & PATHSPEC_LITERAL) && (magic & PATHSPEC_GLOB))
		die(_("%s: 'literal' and 'glob' are incompatible"), elt);

	/* Create match string which will be used for pathspec matching */
	if (pathspec_prefix >= 0) {
		match = xstrdup(copyfrom);
		prefixlen = pathspec_prefix;
	} else if (magic & PATHSPEC_FROMTOP) {
		match = xstrdup(copyfrom);
		prefixlen = 0;
	} else {
		match = prefix_path_gently(the_repository, prefix, prefixlen,
					   &prefixlen, copyfrom);
		if (!match) {
			const char *hint_path;

			if ((flags & PATHSPEC_NO_REPOSITORY) || !have_git_dir())
				die(_("'%s' is outside the directory tree"),
				    copyfrom);
			hint_path = repo_get_work_tree(the_repository);
			if (!hint_path)
				hint_path = repo_get_git_dir(the_repository);
			die(_("%s: '%s' is outside repository at '%s'"), elt,
			    copyfrom, absolute_path(hint_path));
		}
	}