$ git clone -n https://src.fedoraproject.org/rpms/xorgxrdp.git /var/lib/mock/f42-build-side-1-3588922-46951/root/chroot_tmpdir/scmroot/xorgxrdp
Cloning into '/var/lib/mock/f42-build-side-1-3588922-46951/root/chroot_tmpdir/scmroot/xorgxrdp'...
$ git fetch origin 7831d18c013119c4f6b6b8b2cf337de0424e99cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xorgxrdp
 * [new ref]         7831d18c013119c4f6b6b8b2cf337de0424e99cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7831d18 Revert "Rebuild for upstream issue #3558"