$ git clone -n https://src.fedoraproject.org/rpms/mirrormagic.git /var/lib/mock/f31-build-56026-28173/root/chroot_tmpdir/scmroot/mirrormagic
Cloning into '/var/lib/mock/f31-build-56026-28173/root/chroot_tmpdir/scmroot/mirrormagic'...
$ git reset --hard 51ccb96f839c132a2b3227d86ea9b7bd35587d15
HEAD is now at 51ccb96 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild