$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f40-build-2429613-60605/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f40-build-2429613-60605/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin e3d76f77d00b970b3d1108c9e8d819491384e1ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         e3d76f77d00b970b3d1108c9e8d819491384e1ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3d76f7 5.93.0