@ -3,8 +3,9 @@
#
branch=${1?branch}
previous=${2?previous}
commit=${3-"$1"}
relname=$(git describe "$branch") &&
relname=$(git describe "$commit") &&
vername=$(expr "$relname" : 'v\(.*\)') || exit $?
git rev-parse --verify "$previous" >/dev/null || exit $?