$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f41-build-852288-166322/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f41-build-852288-166322/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin 68ebbc156aaaaaaf60e5a1cf673d7cc4b0f6850a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         68ebbc156aaaaaaf60e5a1cf673d7cc4b0f6850a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68ebbc1 6.1.90