$ git clone -n https://src.fedoraproject.org/rpms/python-rpmfluff.git /var/lib/mock/f45-build-32867-664/root/chroot_tmpdir/scmroot/python-rpmfluff
Cloning into '/var/lib/mock/f45-build-32867-664/root/chroot_tmpdir/scmroot/python-rpmfluff'...
$ git fetch origin 565d9d3c06b79a2f7c61ac1347967a06edc39f98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rpmfluff
 * [new ref]         565d9d3c06b79a2f7c61ac1347967a06edc39f98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 565d9d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild