$ git clone -n https://src.fedoraproject.org/rpms/rubygem-mysql2.git /var/lib/mock/f31-build-52524-27681/root/thebuilddir/tmp/scmroot/rubygem-mysql2
Cloning into '/var/lib/mock/f31-build-52524-27681/root/thebuilddir/tmp/scmroot/rubygem-mysql2'...
$ git reset --hard e274528d03b8788d8e84bc4de8fbc1e0db3d0327
HEAD is now at e274528 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild