$ git clone -n https://src.fedoraproject.org/rpms/python-numcodecs.git /var/lib/mock/f45-build-31741-655/root/chroot_tmpdir/scmroot/python-numcodecs
Cloning into '/var/lib/mock/f45-build-31741-655/root/chroot_tmpdir/scmroot/python-numcodecs'...
$ git fetch origin 7f77434fee6f1a6870ffce76062e22e077dbefda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-numcodecs
 * [new ref]         7f77434fee6f1a6870ffce76062e22e077dbefda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f77434 Update to 0.17.0 upstream release