$ git clone -n https://src.fedoraproject.org/rpms/python-aiorpcx.git /var/lib/mock/f45-build-29322-637/root/chroot_tmpdir/scmroot/python-aiorpcx
Cloning into '/var/lib/mock/f45-build-29322-637/root/chroot_tmpdir/scmroot/python-aiorpcx'...
$ git fetch origin 1ae1bb913a3a1d66fee9bb9a71b291bb7dd2689a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-aiorpcx
 * [new ref]         1ae1bb913a3a1d66fee9bb9a71b291bb7dd2689a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ae1bb9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild