1## vim:ft=zsh
2## Written by Frank Terbeck <ft@bewatermyfriend.org>
3## Distributed under the same BSD-ish license as zsh itself.
4
5setopt localoptions NO_shwordsplit
6local dirname=$1
7local basedir="." realbasedir file
8
9realbasedir="$(VCS_INFO_realpath ${basedir})"
10while [[ ${realbasedir} != '/' ]]; do
11    [[ -r ${realbasedir} ]] || return 1
12    if [[ -n ${vcs_comm[detect_need_file]} ]] ; then
13        [[ -d ${basedir}/${dirname} ]] && {
14            for file in ${(s: :)${vcs_comm[detect_need_file]}}; do
15                [[ -e ${basedir}/${dirname}/${file} ]] && break 2
16            done
17        }
18    else
19        [[ -d ${basedir}/${dirname} ]] && break
20    fi
21
22    basedir=${basedir}/..
23    realbasedir="$(VCS_INFO_realpath ${basedir})"
24done
25
26[[ ${realbasedir} == "/" ]] && return 1
27vcs_comm[basedir]=${realbasedir}
28return 0
29