$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxcontrib-devhelp.git /var/lib/mock/f45-build-33125-667/root/chroot_tmpdir/scmroot/python-sphinxcontrib-devhelp
Cloning into '/var/lib/mock/f45-build-33125-667/root/chroot_tmpdir/scmroot/python-sphinxcontrib-devhelp'...
$ git fetch origin ff71e8558555aa6e42ee1682b29af63c3c5a0acc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxcontrib-devhelp
 * [new ref]         ff71e8558555aa6e42ee1682b29af63c3c5a0acc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff71e85 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild