chore: Add missing release.sh (#45)

hack/release.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+# Copyright 2020 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.
+
+# Documentation about this script and how to use it can be found
+# at https://github.com/knative/hack
+
+source $(dirname $0)/../vendor/knative.dev/hack/release.sh
+
+PLUGIN="kn-admin"
+
+function build_release() {
+  export GO111MODULE=on
+  export CGO_ENABLED=0
+  echo "🚧 🐧 Building for Linux (amd64)"
+  GOOS=linux GOARCH=amd64 go build -mod=vendor -o ./${PLUGIN}-linux-amd64 ./cmd/...
+  echo "🚧 💪 Building for Linux (arm64)"
+  GOOS=linux GOARCH=arm64 go build -mod=vendor -o ./${PLUGIN}-linux-arm64 ./cmd/...
+  echo "🚧 🍏 Building for macOS"
+  GOOS=darwin GOARCH=amd64 go build -mod=vendor -o ./${PLUGIN}-darwin-amd64 ./cmd/...
+  echo "🚧 🎠 Building for Windows"
+  GOOS=windows GOARCH=amd64 go build -mod=vendor -o ./${PLUGIN}-windows-amd64.exe ./cmd/...
+  echo "🚧 Z  Building for Linux(s390x)"
+  GOOS=linux GOARCH=s390x go build -mod=vendor -o ./${PLUGIN}-linux-s390x ./cmd/...
+  echo "🚧 P  Building for Linux (ppc64le)"
+  GOOS=linux GOARCH=ppc64le go build -mod=vendor -o ./${PLUGIN}-linux-ppc64le ./cmd/...
+  ARTIFACTS_TO_PUBLISH="${PLUGIN}-darwin-amd64 ${PLUGIN}-linux-amd64 ${PLUGIN}-linux-arm64 ${PLUGIN}-windows-amd64.exe ${PLUGIN}-linux-s390x ${PLUGIN}-linux-ppc64le"
+  sha256sum ${ARTIFACTS_TO_PUBLISH} > checksums.txt
+  ARTIFACTS_TO_PUBLISH="${ARTIFACTS_TO_PUBLISH} checksums.txt"
+  echo "🧮     Checksum:"
+  cat checksums.txt
+}
+
+main $@