$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f40-build-2667933-67176/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f40-build-2667933-67176/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin 070bcc4ba20f4b291fdbb5a80d0c39c25ef68435:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         070bcc4ba20f4b291fdbb5a80d0c39c25ef68435 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 070bcc4 6.0.3