$ git clone -n https://src.fedoraproject.org/rpms/python-contourpy.git /var/lib/mock/f39-build-1905039-42870/root/chroot_tmpdir/scmroot/python-contourpy
Cloning into '/var/lib/mock/f39-build-1905039-42870/root/chroot_tmpdir/scmroot/python-contourpy'...
$ git fetch origin 9156c7baf956b1e5bb765b7b55ee348d25ca7e27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-contourpy
 * [new ref]         9156c7baf956b1e5bb765b7b55ee348d25ca7e27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9156c7b Update to latest version (#2247834)