cg-Xlib |   49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/cg-Xlib b/cg-Xlib
--- a/cg-Xlib
+++ b/cg-Xlib
@@ -137,11 +137,60 @@ print_help () {
 }
 
 for option in "$@"; do
+	[ "$option" = -- ] && break
 	if [ "$option" = "-h" -o "$option" = "--help" ]; then
 		print_help ${_cg_cmd##cg-}
 	fi
 done
 
+ARGS=("$@")
+ARGPOS=0
+
+optshift() {
+	unset ARGS[$ARGPOS]
+	ARGS=("${ARGS[@]}")
+	[ -z "$1" -o -n "${ARGS[$ARGPOS]}" ] || 
+	die "option \`$1' requires an argument"
+}
+
+optfail() {
+	die "unrecognized option \`${ARGS[$ARGPOS]}'"
+}
+
+optconflict() {
+	die "conflicting option \`$CUROPT'"
+}
+
+optparse() {
+	unset OPTARG
+	[ -z "$1" ] && case ${ARGS[$ARGPOS]} in
+	--)	optshift; return 1 ;;
+	-*)	return 0 ;;
+	*)	while (( ${#ARGS[@]} > ++ARGPOS )); do
+			[[ "${ARGS[$ARGPOS]}" == -- ]] && return 1
+			[[ "${ARGS[$ARGPOS]}" == -* ]] && return 0
+		done; return 1 ;;
+	esac
+
+	CUROPT=${ARGS[$ARGPOS]}
+	local match=${1%=} minmatch=${2:-1} opt=$CUROPT o=$CUROPT val
+	[[ $1 == *= ]] && val=$match
+	case $match in
+	--*)	[ "$val" ] && o=${o%%=*}
+		[ ${#o} -ge $((2 + $minmatch)) -a \
+			"${match:0:${#o}}" = "$o" ] || return 1
+		[[ -n "$val" && "$opt" == *=?* ]] && ARGS[$ARGPOS]=${opt#*=} ||
+		optshift $val ;;
+	-?)	[[ $o == $match* ]] || return 1
+		[[ $o != -?-* || -n "$val" ]] || optfail
+		ARGS[$ARGPOS]=${o#$match}
+		[ "${ARGS[$ARGPOS]}" ] && 
+		{ [ "$val" ] || ARGS[$ARGPOS]=-${ARGS[$ARGPOS]}; } || 
+		optshift $val ;;
+	*)	die "optparse cannot handle $1" ;;
+	esac
+	[ -z "$val" ] || { OPTARG=${ARGS[$ARGPOS]}; optshift; } 
+}
 
 # Check if we have something to work on, unless the script can do w/o it.
 if [ ! "$_git_repo_unneeded" ]; then