$ git clone -n https://src.fedoraproject.org/rpms/labwc.git /var/lib/mock/f41-build-846896-163497/root/chroot_tmpdir/scmroot/labwc
Cloning into '/var/lib/mock/f41-build-846896-163497/root/chroot_tmpdir/scmroot/labwc'...
$ git fetch origin c5c96fe716c41c576a94ebfc50f020e967c6467c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/labwc
 * [new ref]         c5c96fe716c41c576a94ebfc50f020e967c6467c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5c96fe 0.8.0