check for gnu rev mismatch
-rwxr-xr-x 2122 check-release
-rwxr-xr-x 433 mkgitrel
-rwxr-xr-x 3507 mkgitrel.cln
-rwxr-xr-x 2101 mkgitrel.pub
-rwxr-xr-x 2187 mkgitrel.rel