show-branch -g: default to HEAD

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 7fcefcd7c45084d005e8fd677cdf72921864f4a2..e0adc340d3116cb1dfe8741a17d6b1b1cc2d7c97 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,11 +1,19 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.3.GIT
+DEF_VER=v1.5.0-rc2.GIT
+
+LF='
+'
 
 # First try git-describe, then see if there is a version file
 # (included in release tarballs), then default
-if VN=$(git-describe --abbrev=4 HEAD 2>/dev/null); then
+if VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
+   case "$VN" in
+   *$LF*) (exit 1) ;;
+   v[0-9]*) : happy ;;
+   esac
+then
        VN=$(echo "$VN" | sed -e 's/-/./g');
 elif test -f version
 then
@@ -16,7 +24,7 @@ fi
 
 VN=$(expr "$VN" : v*'\(.*\)')
 
-dirty=$(sh -c 'git-diff-index --name-only HEAD' 2>/dev/null) || dirty=
+dirty=$(sh -c 'git diff-index --name-only HEAD' 2>/dev/null) || dirty=
 case "$dirty" in
 '')
        ;;