$ git clone -n https://src.fedoraproject.org/rpms/python-fiona.git /var/lib/mock/f39-build-1951899-43219/root/chroot_tmpdir/scmroot/python-fiona
Cloning into '/var/lib/mock/f39-build-1951899-43219/root/chroot_tmpdir/scmroot/python-fiona'...
$ git fetch origin b0433e851cb4bc5097c73773cef0938ca7ca0f2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fiona
 * [new ref]         b0433e851cb4bc5097c73773cef0938ca7ca0f2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0433e8 Allow older setuptools