$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f40-build-2234821-53413/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f40-build-2234821-53413/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin 394e1eddb6ddf4abb10d80bb2d6ed142493ebc18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         394e1eddb6ddf4abb10d80bb2d6ed142493ebc18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 394e1ed 5.92.0