$ git clone -n https://src.fedoraproject.org/rpms/python-rencode.git /var/lib/mock/f41-build-700607-12889/root/chroot_tmpdir/scmroot/python-rencode
Cloning into '/var/lib/mock/f41-build-700607-12889/root/chroot_tmpdir/scmroot/python-rencode'...
$ git fetch origin 97f818c23ff4a0d7ab4168d4e395383329102dd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rencode
 * [new ref]         97f818c23ff4a0d7ab4168d4e395383329102dd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97f818c Eliminate use of obsolete %patchN syntax (#2283636)