t4020: abstract away SHA-1-specific constants

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 1b4624c876dae8f38f7c9e13f82d11b6ead39c9b..12ff59c2c78565a1ad9c491147d2b8e0615aa1e5 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.17.0
+DEF_VER=v2.17.GIT
 
 LF='
 '