include a release script for the sample-controller (#483)

Co-authored-by: dprotaso <[email protected]>

Author: knative-prow-robot

hack/release.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+# Copyright 2021 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+source $(dirname $0)/../vendor/knative.dev/hack/release.sh
+
+declare -A COMPONENTS
+COMPONENTS=(
+  ["sample.yaml"]="config"
+)
+readonly COMPONENTS
+
+function build_release() {
+   # Update release labels if this is a tagged release
+  if [[ -n "${TAG}" ]]; then
+    echo "Tagged release, updating release labels to samples.knative.dev/release: \"${TAG}\""
+    LABEL_YAML_CMD=(sed -e "s|samples.knative.dev/release: devel|samples.knative.dev/release: \"${TAG}\"|")
+  else
+    echo "Untagged release, will NOT update release labels"
+    LABEL_YAML_CMD=(cat)
+  fi
+
+  local all_yamls=()
+  for yaml in "${!COMPONENTS[@]}"; do
+    local config="${COMPONENTS[${yaml}]}"
+    echo "Building Knative Sample Controller - ${config}"
+    ko resolve ${KO_FLAGS} -f ${config}/ | "${LABEL_YAML_CMD[@]}" > ${yaml}
+    all_yamls+=(${yaml})
+  done
+  ARTIFACTS_TO_PUBLISH="${all_yamls[@]}"
+}
+
+main $@