worktree: elucidate environment variables intended for child processes

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index f1bae1ce37c2ea54a02442d1f0f3cdec7c7d656a..aa9dab2de27c324f490a69c0bdf5e805289a2334 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.1.0-rc0
+DEF_VER=v2.2.0
 
 LF='
 '