$ git clone -n https://src.fedoraproject.org/rpms/uudeview.git /var/lib/mock/f41-build-898969-16975/root/chroot_tmpdir/scmroot/uudeview
Cloning into '/var/lib/mock/f41-build-898969-16975/root/chroot_tmpdir/scmroot/uudeview'...
$ git fetch origin bb2e919943a5f49361e29bc734ce347698c96d3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uudeview
 * [new ref]         bb2e919943a5f49361e29bc734ce347698c96d3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb2e919 Eliminate use of obsolete %patchN syntax (#2283636)