$ git clone -n https://src.fedoraproject.org/rpms/python-cftime.git /var/lib/mock/f40-build-783068-132641/root/chroot_tmpdir/scmroot/python-cftime
Cloning into '/var/lib/mock/f40-build-783068-132641/root/chroot_tmpdir/scmroot/python-cftime'...
$ git fetch origin 2d766aa871362161600ed0a35744479f9b6dd205:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cftime
 * [new ref]         2d766aa871362161600ed0a35744479f9b6dd205 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d766aa Relax numpy requirement