parse-options: make some arguments optional, add callbacks.

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 6de899a4659497afab3c64f10442a79d10965896..3c0032cec592a765692234f1cba47dfdcc3a9200 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.5.3.3.GIT
+DEF_VER=v1.5.3.GIT
 
 LF='
 '