update release-train wrapper actions step to use node

Author: ryanjbaxter

.github/workflows/run-github-actions-workflow-generator.yml

@@ -256,50 +256,48 @@ jobs:
           BUILD_SHA: ${{ needs.setup.outputs.build-sha }}
           TEST_SHA: ${{ needs.setup.outputs.test-sha }}
         run: |
-          python3 - << 'PYEOF'
-          import os, re
+          node - << 'JSEOF'
+          const fs = require('fs');
+          const path = require('path');
 
-          build_sha = os.environ['BUILD_SHA']
-          test_sha  = os.environ['TEST_SHA']
+          const buildSha = process.env.BUILD_SHA;
+          const testSha  = process.env.TEST_SHA;
 
-          ACTIONS = {
-              '.github/actions/release-train-build/action.yml': (
-                  'Build Release',
-                  'spring-cloud/spring-cloud-github-actions/.github/actions/release-train-build',
-                  build_sha,
-              ),
-              '.github/actions/release-train-test/action.yml': (
-                  'Test Release',
-                  'spring-cloud/spring-cloud-github-actions/.github/actions/release-train-test',
-                  test_sha,
-              ),
-          }
+          const ACTIONS = [
+            {
+              file: '.github/actions/release-train-build/action.yml',
+              name: 'Build Release',
+              ref:  'spring-cloud/spring-cloud-github-actions/.github/actions/release-train-build',
+              sha:  buildSha,
+            },
+            {
+              file: '.github/actions/release-train-test/action.yml',
+              name: 'Test Release',
+              ref:  'spring-cloud/spring-cloud-github-actions/.github/actions/release-train-test',
+              sha:  testSha,
+            },
+          ];
 
-          SHA_RE = re.compile(r'(@)[0-9a-f]{40}')
+          const SHA_RE = /@[0-9a-f]{40}/g;
 
-          for path, (action_name, action_ref, sha) in ACTIONS.items():
-              os.makedirs(os.path.dirname(path), exist_ok=True)
-              if os.path.exists(path):
-                  with open(path) as f:
-                      content = f.read()
-                  new_content = SHA_RE.sub(lambda m: m.group(1) + sha, content)
-                  if new_content == content:
-                      print(f'  {path}: SHA already up to date.')
-                  else:
-                      with open(path, 'w') as f:
-                          f.write(new_content)
-                      print(f'  {path}: updated SHA to {sha}.')
-              else:
-                  with open(path, 'w') as f:
-                      f.write(
-                          f'name: {action_name}\n'
-                          f'runs:\n'
-                          f'  using: composite\n'
-                          f'  steps:\n'
-                          f'    - uses: {action_ref}@{sha}\n'
-                      )
-                  print(f'  {path}: created.')
-          PYEOF
+          for (const { file, name, ref, sha } of ACTIONS) {
+            fs.mkdirSync(path.dirname(file), { recursive: true });
+            if (fs.existsSync(file)) {
+              const original = fs.readFileSync(file, 'utf8');
+              const updated = original.replace(SHA_RE, `@${sha}`);
+              if (updated === original) {
+                console.log(`  ${file}: SHA already up to date.`);
+              } else {
+                fs.writeFileSync(file, updated, 'utf8');
+                console.log(`  ${file}: updated SHA to ${sha}.`);
+              }
+            } else {
+              const content = `name: ${name}\nruns:\n  using: composite\n  steps:\n    - uses: ${ref}@${sha}\n`;
+              fs.writeFileSync(file, content, 'utf8');
+              console.log(`  ${file}: created.`);
+            }
+          }
+          JSEOF
 
       - name: Run workflow generator
         working-directory: repo