$ git clone -n https://src.fedoraproject.org/rpms/goodvibes.git /var/lib/mock/f45-build-12874-444/root/chroot_tmpdir/scmroot/goodvibes
Cloning into '/var/lib/mock/f45-build-12874-444/root/chroot_tmpdir/scmroot/goodvibes'...
$ git fetch origin 60011ad9d481abeb6b2472d1f3a8bbbca0a96663:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/goodvibes
 * [new ref]         60011ad9d481abeb6b2472d1f3a8bbbca0a96663 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60011ad Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild