Function refs_compute_filesystem_location

refs.c:3554–3589

}

void refs_compute_filesystem_location(const char *gitdir, const char *payload,
				      bool *is_worktree, struct strbuf *refdir,
				      struct strbuf *ref_common_dir)
{
	struct strbuf sb = STRBUF_INIT;

	*is_worktree = get_common_dir_noenv(ref_common_dir, gitdir);

	if (!payload) {
		/*
		 * We can use the 'gitdir' as the 'refdir' without appending the
		 * worktree path, as the 'gitdir' here is already the worktree
		 * path and is different from 'commondir' denoted by 'ref_common_dir'.
		 */
		strbuf_addstr(refdir, gitdir);
		return;
	}

	if (!is_absolute_path(payload)) {
		strbuf_addf(&sb, "%s/%s", ref_common_dir->buf, payload);
		strbuf_realpath(ref_common_dir, sb.buf, 1);
	} else {
		strbuf_realpath(ref_common_dir, payload, 1);
	}

	strbuf_addbuf(refdir, ref_common_dir);

	if (*is_worktree) {
		const char *wt_id = strrchr(gitdir, '/');
		if (!wt_id)
			BUG("worktree path does not contain slash");
		strbuf_addf(refdir, "/worktrees/%s", wt_id + 1);
	}

	strbuf_release(&sb);
}