$ git clone -n https://src.fedoraproject.org/rpms/python-xmltramp.git /var/lib/mock/f41-build-781739-13562/root/chroot_tmpdir/scmroot/python-xmltramp
Cloning into '/var/lib/mock/f41-build-781739-13562/root/chroot_tmpdir/scmroot/python-xmltramp'...
$ git fetch origin 63f98396448ba43172c1600b7e67cad22a012746:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-xmltramp
 * [new ref]         63f98396448ba43172c1600b7e67cad22a012746 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63f9839 Eliminate use of obsolete %patchN syntax (#2283636)