$ git clone -n https://src.fedoraproject.org/rpms/lxqt-session.git /var/lib/mock/f41-build-side-1-2846214-33896/root/chroot_tmpdir/scmroot/lxqt-session
Cloning into '/var/lib/mock/f41-build-side-1-2846214-33896/root/chroot_tmpdir/scmroot/lxqt-session'...
$ git fetch origin c5e5148bcfe4a552bf6ef63aef8ef4e854d8eb31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxqt-session
 * [new ref]         c5e5148bcfe4a552bf6ef63aef8ef4e854d8eb31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5e5148 2.0.0