ci: move away from external action to create PR

.github/workflows/discovery.yaml

@@ -1,6 +1,7 @@
 on:
   schedule:
     - cron: '0 12 * * *'
+  workflow_dispatch:    
 name: Update Discovery Generated Types
 jobs:
   sync:
@@ -14,14 +15,8 @@ jobs:
       - run: npm install
       # Generate types
       - run: npm run types
-      - name: Create Pull Request
-        uses: peter-evans/create-pull-request@6d6857d36972b65feb161a90e484f2984215f83e # v6.0.5
-        with: 
-          base: main
-          branch: update-discovery/patch
-          add-paths: src/types.d.ts
-          commit-message: "chore: update types from Discovery"
-          title: "chore: update types from Discovery"
-          body: |
-            Automated pull-request to keep BigQuery Discovery types up-to-date.
+      # Submit pull request
+      - run: npm run submit-discovery-pr
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 

package.json

@@ -44,6 +44,7 @@
     "docs-test": "linkinator docs",
     "predocs-test": "npm run docs",
     "types": "node scripts/gen-types.js",
+    "submit-discovery-pr": "node scripts/submit-discovery-pr.js",
     "prelint": "cd samples; npm link ../; npm install",
     "precompile": "gts clean"
   },

scripts/submit-discovery-pr.js

@@ -0,0 +1,83 @@
+// Copyright 2024 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
+//
+//     https://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 execa = require('execa');
+const path = require('path');
+const fs = require('fs');
+const gaxios = require('gaxios');
+
+const REPO = 'googleapis/bigquery-nodejs';
+const BRANCH = 'update-discovery/patch';
+const TRACK_PATHS = ['src/types.d.ts'];
+const COMMIT_MESSAGE = 'chore: update types from Discovery';
+const COMMIT_BODY =
+  'Automated pull-request to keep BigQuery Discovery types up-to-date.';
+
+async function submitDiscoveryPR() {
+  const statusResult = await execa('git', ['status', '--porcelain']);
+  const status = statusResult.stdout;
+  const statusFiles = status.split('\n').map(x => x.slice(3));
+
+  const foundChanges = statusFiles.filter(f => {
+    return TRACK_PATHS.some(filename => f.startsWith(filename));
+  });
+  console.log(`Changes found in ${foundChanges.length} files`);
+  console.log(foundChanges.join('\n'));
+
+  if (foundChanges.length === 0) {
+    console.log('No changes found');
+    return;
+  }
+
+  await execa('git', ['checkout', '-B', BRANCH]);
+  for (const filename of foundChanges) {
+    await execa('git', ['add', filename]);
+  }
+  await execa('git', ['commit', '-m', COMMIT_MESSAGE, '-m', COMMIT_BODY]);
+  await execa('git', ['push', 'origin', BRANCH, '--force']);
+
+
+  const githubToken = process.env.GITHUB_TOKEN;
+  if (!githubToken) {
+    throw new Error('please include a GITHUB_TOKEN');
+  }
+
+  if (process.env.GITHUB_ACTIONS) {
+    await execa('git', ['config', 'user.email', '[email protected]']);
+    await execa('git', ['config', 'user.name', 'Yoshi Automation']);
+  }
+
+  try {
+    // Open the pull request with the YOSHI_CODE_BOT_TOKEN
+    await gaxios.request({
+      method: 'POST',
+      headers: {
+        Authorization: `token ${githubToken}`,
+      },
+      url: `https://api.github.com/repos/${REPO}/pulls`,
+      data: {
+        title: COMMIT_MESSAGE,
+        head: BRANCH,
+        base: 'main',
+        body: COMMIT_BODY,
+      },
+    });
+  } catch (err) {
+    console.error('failed to submit Pull Request', err);
+    throw err;
+  }
+  await execa('git', ['checkout', 'main']);
+}
+
+submitDiscoveryPR();