$ git clone -n https://src.fedoraproject.org/rpms/python-pep8-naming.git /var/lib/mock/f45-build-31917-656/root/chroot_tmpdir/scmroot/python-pep8-naming
Cloning into '/var/lib/mock/f45-build-31917-656/root/chroot_tmpdir/scmroot/python-pep8-naming'...
$ git fetch origin 6a0a8349c86077936eb001308d1af8253c736fab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pep8-naming
 * [new ref]         6a0a8349c86077936eb001308d1af8253c736fab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a0a834 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild