$ git clone -n https://src.fedoraproject.org/rpms/rubygem-websocket-driver.git /var/lib/mock/f31-build-53348-27840/root/thebuilddir/tmp/scmroot/rubygem-websocket-driver
Cloning into '/var/lib/mock/f31-build-53348-27840/root/thebuilddir/tmp/scmroot/rubygem-websocket-driver'...
$ git reset --hard 18cd2a0b7ddb818789746fb4045009f628edd650
HEAD is now at 18cd2a0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild