Refactor making of openapi generated files.

kyaml/openapi/makeOpenApiInfoDotGo.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+# Copyright 2020 The Kubernetes Authors.
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+
+if ! command -v jq &> /dev/null ; then
+    echo Please install jq
+    echo on ubuntu: sudo apt-get install jq
+    exit 1
+fi
+
+OPEN_API_INFO=$(\
+    jq -r '.info' $1  | \
+    sed 's/[\" *]//g' | \
+    tr -d '\n' )
+
+cat <<EOF >kubernetesapi/openapiinfo.go
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by $0; DO NOT EDIT.
+
+package kubernetesapi
+
+const Info = "$OPEN_API_INFO"
+EOF