builtin-tag.c: remove cruft

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index e3cd9fa09422236063053faf61d358dc98f4d4d0..1ad324e23696f66451a9ffc05d77f459bf106e83 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,23 +1,30 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.1.GIT
+DEF_VER=v1.5.4.GIT
 
-# First try git-describe, then see if there is a version file
-# (included in release tarballs), then default
-VN=$(git-describe --abbrev=4 HEAD 2>/dev/null | sed -e 's/-/./g') ||
-VN=$(cat version) ||
-VN="$DEF_VER"
+LF='
+'
 
-VN=$(expr "$VN" : v*'\(.*\)')
+# 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 &&
+       VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
+       case "$VN" in
+       *$LF*) (exit 1) ;;
+       v[0-9]*)
+               git diff-index --quiet HEAD || VN="$VN-dirty" ;;
+       esac
+then
+       VN=$(echo "$VN" | sed -e 's/-/./g');
+else
+       VN="$DEF_VER"
+fi
 
-dirty=$(sh -c 'git-diff-index --name-only HEAD' 2>/dev/null) || dirty=
-case "$dirty" in
-'')
-       ;;
-*)
-       VN="$VN-dirty" ;;
-esac
+VN=$(expr "$VN" : v*'\(.*\)')
 
 if test -r $GVF
 then