feat: add release-please setup

Author: sofisl

.github/interrogate.js

@@ -0,0 +1,31 @@
+// Copyright 2020 Google LLC
+//
+// 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.
+
+const {execSync} = require('child_process');
+execSync('git fetch origin master');
+const baseRef = process.env.GITHUB_BASE_REF;
+console.log(`base ref: ${baseRef}`);
+const status = execSync(`git diff --name-only origin/${baseRef}`, { encoding: 'utf-8'});
+console.log(status);
+const changes = status.split('\n');
+let nodePaths = new Set();
+let goPaths = new Set();
+let bashPaths = new Set();
+for (const change of changes) {
+  if (change.startsWith('src/apis/')) {
+      nodePaths.add(change.split('/')[2]);
+  };
+}
+nodePaths = Array.from(nodePaths);
+console.log(`::set-output name=nodePaths::${JSON.stringify(nodePaths)}`);

.github/release-please.yaml

@@ -0,0 +1,34 @@
+on:
+  push:
+    branches:
+      - master
+name: release-please
+jobs:
+  changeFinder:
+    runs-on: ubuntu-latest
+    outputs:
+      nodePaths: ${{ steps.interrogate.outputs.nodePaths }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+      - id: interrogate
+        run: node ./.github/workflows/interrogate.js
+        env:
+          GITHUB_BASE_REF: ${{github.base_ref}}
+  release:
+    runs-on: ubuntu-latest
+    needs: changeFinder
+    strategy:
+      fail-fast: false
+      matrix:
+        package: ${{fromJson(needs.changeFinder.outputs.nodePaths)}}
+    steps:
+      - uses: GoogleCloudPlatform/[email protected]
+        with:
+           path: ./src/apis/${{ matrix.package }}
+           token: ${{ secrets.GITHUB_TOKEN }}
+           release-type: node
+           package-name: ${{ matrix.package }}
+           monorepo-tags: true