$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f41-build-847761-164118/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f41-build-847761-164118/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin 3dedd00ab681597054b76017a1b0c907d5c5459b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         3dedd00ab681597054b76017a1b0c907d5c5459b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dedd00 6.1.5