builtin-tag.c: remove cruft

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 38a3273974e3313550218cdb8b50f3f2a8b4dec6..1ad324e23696f66451a9ffc05d77f459bf106e83 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -15,7 +15,8 @@ elif test -d .git &&
        VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
        case "$VN" in
        *$LF*) (exit 1) ;;
-       v[0-9]*) : happy ;;
+       v[0-9]*)
+               git diff-index --quiet HEAD || VN="$VN-dirty" ;;
        esac
 then
        VN=$(echo "$VN" | sed -e 's/-/./g');
@@ -25,14 +26,6 @@ fi
 
 VN=$(expr "$VN" : v*'\(.*\)')
 
-dirty=$(sh -c 'git diff-index --name-only HEAD' 2>/dev/null) || dirty=
-case "$dirty" in
-'')
-       ;;
-*)
-       VN="$VN-dirty" ;;
-esac
-
 if test -r $GVF
 then
        VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)