chore(repo): exclude master commits from commit linting (#22029)

scripts/commit-lint.js

@@ -3,11 +3,43 @@
 const { types, scopes } = require('./commitizen.js');
 
 console.log('🐟🐟🐟 Validating git commit message 🐟🐟🐟');
-const gitMessage = require('child_process')
+
-  .execSync('git log -1 --no-merges')
+const childProcess = require('child_process');
+
+let gitLogCmd = 'git log -1 --no-merges';
+
+const gitRemotes = childProcess
+  .execSync('git remote -v')
+  .toString()
+  .trim()
+  .split('\n');
+const upstreamRemote = gitRemotes.find((remote) =>
+  remote.includes('nrwl/nx.git')
+);
+if (upstreamRemote) {
+  const upstreamRemoteIdentifier = upstreamRemote.split('\t')[0].trim();
+  console.log(`Comparing against remote ${upstreamRemoteIdentifier}`);
+  const currentBranch = childProcess
+    .execSync('git branch --show-current')
     .toString()
     .trim();
 
+  // exclude all commits already present in upstream/master
+  gitLogCmd =
+    gitLogCmd + ` ${currentBranch} ^${upstreamRemoteIdentifier}/master`;
+} else {
+  console.error(
+    'No upstream remote found for nrwl/nx.git. Skipping comparison against upstream master.'
+  );
+}
+
+const gitMessage = childProcess.execSync(gitLogCmd).toString().trim();
+
+if (!gitMessage) {
+  console.log('No commits found. Skipping commit message validation.');
+  process.exit(0);
+}
+
 const allowedTypes = types.map((type) => type.value).join('|');
 const allowedScopes = scopes.map((scope) => scope.value).join('|');