checkout: generalize die_if_checked_out() branch name argument

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 3e9d508273c3b7ce06274874470cfcbdcd5713a7..aa9dab2de27c324f490a69c0bdf5e805289a2334 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.0.4
+DEF_VER=v2.2.0
 
 LF='
 '