$ git clone -n https://src.fedoraproject.org/rpms/pypolicyd-spf.git /var/lib/mock/f45-build-29170-636/root/chroot_tmpdir/scmroot/pypolicyd-spf
Cloning into '/var/lib/mock/f45-build-29170-636/root/chroot_tmpdir/scmroot/pypolicyd-spf'...
$ git fetch origin ca4e8f4848142a4fcb202f4d435c7588f88aa618:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pypolicyd-spf
 * [new ref]         ca4e8f4848142a4fcb202f4d435c7588f88aa618 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca4e8f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild