Function is_directory

abspath.c:10–14

* Do not use this for inspecting *tracked* content. When path is a * symlink to a directory, we do not want to say it is a directory when * dealing with tracked content in the working tree. */

 * dealing with tracked content in the working tree.
 */
int is_directory(const char *path)
{
	struct stat st;
	return (!stat(path, &st) && S_ISDIR(st.st_mode));
}

/* removes the last path component from 'path' except if 'path' is root */
static void strip_last_component(struct strbuf *path)