fix: consolidate bash hooks to avoid fork storms

tests/hooks/bash-hook-dispatcher.test.js

@@ -0,0 +1,114 @@
+/**
+ * Tests for consolidated Bash hook dispatchers.
+ */
+
+const assert = require('assert');
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+const { spawnSync } = require('child_process');
+
+const preDispatcher = path.join(__dirname, '..', '..', 'scripts', 'hooks', 'pre-bash-dispatcher.js');
+const postDispatcher = path.join(__dirname, '..', '..', 'scripts', 'hooks', 'post-bash-dispatcher.js');
+
+function test(name, fn) {
+  try {
+    fn();
+    console.log(`  ✓ ${name}`);
+    return true;
+  } catch (error) {
+    console.log(`  ✗ ${name}`);
+    console.log(`    Error: ${error.message}`);
+    return false;
+  }
+}
+
+function runScript(scriptPath, input, env = {}) {
+  return spawnSync('node', [scriptPath], {
+    input: typeof input === 'string' ? input : JSON.stringify(input),
+    encoding: 'utf8',
+    env: {
+      ...process.env,
+      ...env,
+    },
+    timeout: 10000,
+  });
+}
+
+function runTests() {
+  console.log('\n=== Testing Bash hook dispatchers ===\n');
+
+  let passed = 0;
+  let failed = 0;
+
+  if (test('pre dispatcher blocks --no-verify before other Bash checks', () => {
+    const input = { tool_input: { command: 'git commit --no-verify -m "x"' } };
+    const result = runScript(preDispatcher, input, { ECC_HOOK_PROFILE: 'strict' });
+    assert.strictEqual(result.status, 2, 'Expected dispatcher to block git hook bypass');
+    assert.ok(result.stderr.includes('--no-verify'), 'Expected block-no-verify reason in stderr');
+    assert.strictEqual(result.stdout, '', 'Blocking hook should not pass through stdout');
+  })) passed++; else failed++;
+
+  if (test('pre dispatcher still honors per-hook disable flags', () => {
+    const input = { tool_input: { command: 'git push origin main' } };
+
+    const enabled = runScript(preDispatcher, input, { ECC_HOOK_PROFILE: 'strict' });
+    assert.strictEqual(enabled.status, 0);
+    assert.ok(enabled.stderr.includes('Review changes before push'), 'Expected git push reminder when enabled');
+
+    const disabled = runScript(preDispatcher, input, {
+      ECC_HOOK_PROFILE: 'strict',
+      ECC_DISABLED_HOOKS: 'pre:bash:git-push-reminder',
+    });
+    assert.strictEqual(disabled.status, 0);
+    assert.ok(!disabled.stderr.includes('Review changes before push'), 'Disabled hook should not emit reminder');
+  })) passed++; else failed++;
+
+  if (test('pre dispatcher respects hook profiles inside the consolidated path', () => {
+    const input = { tool_input: { command: 'git push origin main' } };
+    const result = runScript(preDispatcher, input, { ECC_HOOK_PROFILE: 'minimal' });
+    assert.strictEqual(result.status, 0);
+    assert.strictEqual(result.stderr, '', 'Strict-only reminders should stay disabled in minimal profile');
+    assert.strictEqual(result.stdout, JSON.stringify(input));
+  })) passed++; else failed++;
+
+  if (test('post dispatcher writes both bash audit and cost logs in one pass', () => {
+    const homeDir = fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-bash-dispatcher-'));
+    const payload = { tool_input: { command: 'npm publish --token abc123' } };
+
+    try {
+      const result = runScript(postDispatcher, payload, {
+        HOME: homeDir,
+        USERPROFILE: homeDir,
+      });
+      assert.strictEqual(result.status, 0);
+      assert.strictEqual(result.stdout, JSON.stringify(payload));
+
+      const auditLog = fs.readFileSync(path.join(homeDir, '.claude', 'bash-commands.log'), 'utf8');
+      const costLog = fs.readFileSync(path.join(homeDir, '.claude', 'cost-tracker.log'), 'utf8');
+
+      assert.ok(auditLog.includes('--token=<REDACTED>'));
+      assert.ok(costLog.includes('tool=Bash command=npm publish --token=<REDACTED>'));
+      assert.ok(!auditLog.includes('abc123'));
+      assert.ok(!costLog.includes('abc123'));
+    } finally {
+      fs.rmSync(homeDir, { recursive: true, force: true });
+    }
+  })) passed++; else failed++;
+
+  if (test('post dispatcher preserves PR-created hints after consolidated execution', () => {
+    const payload = {
+      tool_input: { command: 'gh pr create --title "Fix bug" --body "desc"' },
+      tool_output: { output: 'https://github.com/owner/repo/pull/42\n' },
+    };
+    const result = runScript(postDispatcher, payload);
+    assert.strictEqual(result.status, 0);
+    assert.ok(result.stderr.includes('PR created: https://github.com/owner/repo/pull/42'));
+    assert.ok(result.stderr.includes('gh pr review 42 --repo owner/repo'));
+  })) passed++; else failed++;
+
+  console.log(`\nResults: Passed: ${passed}, Failed: ${failed}`);
+  process.exit(failed > 0 ? 1 : 0);
+}
+
+runTests();

tests/hooks/hooks.test.js

@@ -1888,6 +1888,33 @@ async function runTests() {
     passed++;
   else failed++;
 
+  if (
+    test('hooks.json consolidates Bash hooks into one pre and one post dispatcher', () => {
+      const hooksPath = path.join(__dirname, '..', '..', 'hooks', 'hooks.json');
+      const hooks = JSON.parse(fs.readFileSync(hooksPath, 'utf8'));
+
+      const preBash = hooks.hooks.PreToolUse.filter(entry => entry.matcher === 'Bash');
+      const postBash = hooks.hooks.PostToolUse.filter(entry => entry.matcher === 'Bash');
+
+      assert.strictEqual(preBash.length, 1, 'Should have exactly one PreToolUse Bash dispatcher');
+      assert.strictEqual(postBash.length, 1, 'Should have exactly one PostToolUse Bash dispatcher');
+      assert.strictEqual(preBash[0].id, 'pre:bash:dispatcher');
+      assert.strictEqual(postBash[0].id, 'post:bash:dispatcher');
+
+      const preCommand = Array.isArray(preBash[0].hooks[0].command)
+        ? preBash[0].hooks[0].command.join(' ')
+        : preBash[0].hooks[0].command;
+      const postCommand = Array.isArray(postBash[0].hooks[0].command)
+        ? postBash[0].hooks[0].command.join(' ')
+        : postBash[0].hooks[0].command;
+
+      assert.ok(preCommand.includes('pre-bash-dispatcher.js'), 'PreToolUse Bash hook should use the pre dispatcher');
+      assert.ok(postCommand.includes('post-bash-dispatcher.js'), 'PostToolUse Bash hook should use the post dispatcher');
+    })
+  )
+    passed++;
+  else failed++;
+
   if (
     test('SessionEnd marker hook is async and cleanup-safe', () => {
       const hooksPath = path.join(__dirname, '..', '..', 'hooks', 'hooks.json');