$ git clone -n https://src.fedoraproject.org/rpms/python-flake8-class-newline.git /var/lib/mock/f45-build-30724-647/root/chroot_tmpdir/scmroot/python-flake8-class-newline
Cloning into '/var/lib/mock/f45-build-30724-647/root/chroot_tmpdir/scmroot/python-flake8-class-newline'...
$ git fetch origin 256a03eff7b991c97605c18c8d15fe7b1fae788a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flake8-class-newline
 * [new ref]         256a03eff7b991c97605c18c8d15fe7b1fae788a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 256a03e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild