$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f41-build-side-1-2908181-34732/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f41-build-side-1-2908181-34732/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin 13e80f49b1460bd3be4c7cc92fd7a0be4e33c93b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         13e80f49b1460bd3be4c7cc92fd7a0be4e33c93b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13e80f4 6.2.0