$ git clone -n https://src.fedoraproject.org/rpms/movit.git /var/lib/mock/f41-build-side-1-2648759-27433/root/chroot_tmpdir/scmroot/movit
Cloning into '/var/lib/mock/f41-build-side-1-2648759-27433/root/chroot_tmpdir/scmroot/movit'...
$ git fetch origin af43f6841bb6da0696a1655d5ae9fdb24de4a0f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/movit
 * [new ref]         af43f6841bb6da0696a1655d5ae9fdb24de4a0f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af43f68 convert GPLv2+ license to SPDX