$ git clone -n https://src.fedoraproject.org/rpms/beakerlib.git /var/lib/mock/f41-build-side-1-2632309-25786/root/chroot_tmpdir/scmroot/beakerlib
Cloning into '/var/lib/mock/f41-build-side-1-2632309-25786/root/chroot_tmpdir/scmroot/beakerlib'...
$ git fetch origin 613753f1be4bbe2a9b5fdd5765bff82c4ad5867e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/beakerlib
 * [new ref]         613753f1be4bbe2a9b5fdd5765bff82c4ad5867e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 613753f Update to 1.31.2 upstream release