$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f41-build-859317-168684/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f41-build-859317-168684/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin 9c9d101b2cfdaf35f29a3cbd1aaf12371cbd58a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         9c9d101b2cfdaf35f29a3cbd1aaf12371cbd58a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c9d101 6.2.2