$ git clone -n https://src.fedoraproject.org/rpms/beakerlib.git /var/lib/mock/f41-build-762800-13458/root/chroot_tmpdir/scmroot/beakerlib
Cloning into '/var/lib/mock/f41-build-762800-13458/root/chroot_tmpdir/scmroot/beakerlib'...
$ git fetch origin d69f8d1b52bf8da8bca8cb2902e882a462b62bc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/beakerlib
 * [new ref]         d69f8d1b52bf8da8bca8cb2902e882a462b62bc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d69f8d1 Eliminate use of obsolete %patchN syntax (#2283636)