@@ -1,40 +1,11 @@
#!/bin/sh
-GVF=GIT-VERSION-FILE
-DEF_VER=v2.40.GIT
-
-LF='
-'
-
-# First see if there is a version file (included in release tarballs),
-# then try git-describe, then default.
-if test -f version
-then
- VN=$(cat version) || VN="$DEF_VER"
-elif test -d ${GIT_DIR:-.git} -o -f .git &&
- VN=$(git describe --match "v[0-9]*" HEAD 2>/dev/null) &&
- case "$VN" in
- *$LF*) (exit 1) ;;
- v[0-9]*)
- git update-index -q --refresh
- test -z "$(git diff-index --name-only HEAD --)" ||
- VN="$VN-dirty" ;;
- esac
-then
- VN=$(echo "$VN" | sed -e 's/-/./g');
-else
- VN="$DEF_VER"
-fi
-
-VN=$(expr "$VN" : v*'\(.*\)')
-
-if test -r $GVF
-then
- VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
-else
- VC=unset
-fi
-test "$VN" = "$VC" || {
- echo >&2 "GIT_VERSION = $VN"
- echo "GIT_VERSION = $VN" >$GVF
+get_version () {
+ test -f version && cat version && return
+ git describe --match "v[0-9]*" --dirty 2>/dev/null | sed -e 's/-/+/' -e 's/^v//'
}
+
+NEW="GIT_VERSION = $(get_version)"
+
+test -r GIT-VERSION-FILE && test "$NEW" = "$(cat GIT-VERSION-FILE)" && exit
+echo "$NEW" | tee GIT-VERSION-FILE >&2