Add pack-refs and show-ref test cases.

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 5d25b7e12b8ef678013be76af137587c32b1f9ea..14923c973bdcb87aaacb27f98eecc6215d5293b6 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,11 +1,19 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.4.GIT
+DEF_VER=v1.4.2.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