$ git clone -n https://src.fedoraproject.org/rpms/twinkle.git /var/lib/mock/f29-build-4346-1033/root/thebuilddir/tmp/scmroot/twinkle
Cloning into '/var/lib/mock/f29-build-4346-1033/root/thebuilddir/tmp/scmroot/twinkle'...
$ git reset --hard bdafc39aea3a9d90b61b2c16baefe473925b65aa
HEAD is now at bdafc39 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild