chore: skip ai review bot commits

app/git.js

@@ -59,6 +59,15 @@ export function getRepoState(repoDir, _spawnSync = spawnSync) {
   return { repoDir, branch, headSha, shortSha, commitTime };
 }
 
+export function getHeadCommitMessage(repoDir, _spawnSync = spawnSync) {
+  const run = makeRunner(_spawnSync);
+  return readGitOutput(run, ['show', '-s', '--format=%B', 'HEAD'], repoDir);
+}
+
+export function isBotAutoCommit(repoDir, _spawnSync = spawnSync) {
+  return getHeadCommitMessage(repoDir, _spawnSync).includes(BOT_COMMIT_MARKER);
+}
+
 /**
  * Clone PR head branch to workspace/repo (idempotent)
  */

app/git.test.js

@@ -3,7 +3,7 @@ import assert from 'node:assert/strict';
 import fs from 'fs';
 import os from 'os';
 import path from 'path';
-import { commitAndPush, cloneRepo, SYNC_PATHS, BOT_COMMIT_MARKER } from './git.js';
+import { commitAndPush, cloneRepo, SYNC_PATHS, BOT_COMMIT_MARKER, getHeadCommitMessage, isBotAutoCommit } from './git.js';
 
 // --- helpers ---
 function makeTmpWorkspace() {
@@ -241,4 +241,13 @@ describe('cloneRepo', () => {
     const result = cloneRepo(workspace, spawn);
     assert.equal(result, path.join(workspace, 'repo'));
   });
+
+  it('reads head commit message and detects bot auto commits', () => {
+    const spawn = makeSpawn({
+      show: () => ({ status: 0, stdout: `chore: update ai-review findings ${BOT_COMMIT_MARKER}\n`, stderr: '', error: null }),
+    });
+
+    assert.ok(getHeadCommitMessage(workspace, spawn).includes(BOT_COMMIT_MARKER));
+    assert.equal(isBotAutoCommit(workspace, spawn), true);
+  });
 });

app/main.js

@@ -4,7 +4,7 @@ import { loadRoles, getRoleIntro } from './roles.js';
 import { getPRDiff, postComment } from './gitea.js';
 import { analyzeWithRole, loadOldFindings, mergeFindings, sortByLevel, deduplicateWithAI, loadExclusions, applyExclusions, filterFalsePositivesWithAI } from './findings.js';
 import { saveFindings, postOldFindingsComment, postNewNonCriticalComment, postNewCriticalComments } from './comments.js';
-import { cloneRepo, commitAndPush, getRepoState } from './git.js';
+import { cloneRepo, commitAndPush, getRepoState, isBotAutoCommit } from './git.js';
 import { validateJSONArrayFile, ensureJSONArrayFileExists } from './json.js';
 
 const WORKSPACE = process.env.GITHUB_WORKSPACE || '/workspace';
@@ -15,6 +15,12 @@ async function main() {
   console.log(`  repo=${GITEA_REPOSITORY}  PR=#${PR_NUMBER}`);
   console.log(`  ${PR_HEAD_BRANCH} -> ${PR_BASE_BRANCH}`);
 
+  if (isBotAutoCommit(WORKSPACE)) {
+    console.log('  🤖 偵測到 [ai-review-bot] 自動提交，直接完成 action');
+    console.log('='.repeat(60));
+    process.exit(0);
+  }
+
   const { provider, baseURL, model } = getLLMConfig();
   if (!provider) {
     console.error('❌ 未設定任何 LLM API Key，請檢查 action inputs');