fix(hooks): classify platform-dependent raw prefixes - #2899
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🧰 Additional context used📓 Path-based instructions (18)- Lightweight agents with frequent invocation📄 CodeRabbit inference engine (.cursor/rules/common-performance.md) Files:
NEVER hardcode secrets in source code - ALWAYS use environment variables or a secret manager📄 CodeRabbit inference engine (.cursor/rules/common-security.md) Files:
No hardcoded secrets (API keys, passwords, tokens) - validate before any commit📄 CodeRabbit inference engine (.cursor/rules/common-security.md) Files:
Always create new objects, never mutate existing ones. Use immutable patterns to prevent hidden side effects and enable safe concurrency📄 CodeRabbit inference engine (.cursor/rules/common-coding-style.md) Files:
Use parameterized queries to prevent SQL injection📄 CodeRabbit inference engine (.cursor/rules/common-security.md) Files:
Implement XSS prevention by sanitizing HTML output📄 CodeRabbit inference engine (.cursor/rules/common-security.md) Files:
All user inputs must be validated📄 CodeRabbit inference engine (.cursor/rules/common-security.md) Files:
Write tests before implementation (test-driven development); target 80%+ coverage📄 CodeRabbit inference engine (.github/copilot-instructions.md) Files:
Do not hardcode secrets, API keys, passwords, or tokens📄 CodeRabbit inference engine (.github/copilot-instructions.md) Files:
Always create new objects and never mutate in place; return new copies instead📄 CodeRabbit inference engine (.github/copilot-instructions.md) Files:
HTML output must be sanitized where applicable📄 CodeRabbit inference engine (.github/copilot-instructions.md) Files:
Auto-format JavaScript/TypeScript files using Prettier after edit📄 CodeRabbit inference engine (.cursor/rules/typescript-hooks.md) Files:
Never hardcode secrets; always use environment variables for sensitive credentials like API keys📄 CodeRabbit inference engine (.cursor/rules/typescript-security.md) Files:
Use Playwright as the E2E testing framework for critical user flows in TypeScript/JavaScript📄 CodeRabbit inference engine (.cursor/rules/typescript-testing.md) Files:
Use spread operator for immutable updates in TypeScript/JavaScript instead of direct mutation📄 CodeRabbit inference engine (.cursor/rules/typescript-coding-style.md) Files:
Use the ApiResponse interface pattern with generic type parameter: `interface ApiResponse { success: boolean; data?: T; error?: string; meta?: { total: number; page: number; limit: number; } }`📄 CodeRabbit inference engine (.cursor/rules/typescript-patterns.md) Files:
Required environment variables must be validated at startup📄 CodeRabbit inference engine (.github/copilot-instructions.md) Files:
Use parameterized queries for all database writes (no string interpolation)📄 CodeRabbit inference engine (.github/copilot-instructions.md) Files:
🔇 Additional comments (1)
📝 WalkthroughSummary by CodeRabbit
WalkthroughThe hook bootstrap now detects any non-empty stdout that matches a byte prefix of the raw input. Regression tests cover 8 KiB, 16 KiB, and 64 KiB prefixes, plus mismatched prefixes. ChangesRaw passthrough detection
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to This localized hook-classification change is merge-ready after normal checks and review; no actionable merge-blocking risk remains. Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In `@tests/hooks/plugin-hook-bootstrap-no-echo.test.js`:
- Line 281: Update the mismatchedPrefix setup around the ^= operation so it does
not mutate the existing Buffer in place; create a new Buffer containing the same
bytes with the final byte altered, and use that new buffer for subsequent
assertions.
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scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
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- GitHub Check: Packed Install (windows-latest)
- GitHub Check: Packed Install (macos-latest)
- GitHub Check: Greptile Review
- GitHub Check: Test (macos-latest, Node 20.x, bun)
- GitHub Check: Test (windows-latest, Node 18.x, yarn)
- GitHub Check: Test (macos-latest, Node 20.x, yarn)
- GitHub Check: Test (macos-latest, Node 22.x, npm)
- GitHub Check: Test (macos-latest, Node 22.x, bun)
- GitHub Check: Test (macos-latest, Node 22.x, yarn)
- GitHub Check: Test (ubuntu-latest, Node 22.x, npm)
- GitHub Check: Test (windows-latest, Node 22.x, yarn)
- GitHub Check: Test (macos-latest, Node 20.x, npm)
- GitHub Check: Test (macos-latest, Node 18.x, yarn)
- GitHub Check: Test (windows-latest, Node 22.x, pnpm)
- GitHub Check: Test (macos-latest, Node 22.x, pnpm)
- GitHub Check: Test (macos-latest, Node 18.x, npm)
- GitHub Check: Test (macos-latest, Node 20.x, pnpm)
- GitHub Check: Test (windows-latest, Node 20.x, npm)
- GitHub Check: Test (macos-latest, Node 18.x, bun)
- GitHub Check: Test (macos-latest, Node 18.x, pnpm)
- GitHub Check: Test (ubuntu-latest, Node 18.x, bun)
- GitHub Check: Test (ubuntu-latest, Node 22.x, pnpm)
- GitHub Check: Test (windows-latest, Node 20.x, pnpm)
- GitHub Check: Test (ubuntu-latest, Node 18.x, yarn)
- GitHub Check: Test (windows-latest, Node 22.x, npm)
- GitHub Check: Test (ubuntu-latest, Node 20.x, yarn)
- GitHub Check: Test (windows-latest, Node 20.x, yarn)
- GitHub Check: Test (windows-latest, Node 18.x, pnpm)
- GitHub Check: Test (ubuntu-latest, Node 20.x, bun)
- GitHub Check: Test (ubuntu-latest, Node 18.x, npm)
- GitHub Check: Test (windows-latest, Node 18.x, npm)
- GitHub Check: Test (ubuntu-latest, Node 22.x, yarn)
- GitHub Check: Test (ubuntu-latest, Node 22.x, bun)
- GitHub Check: Test (ubuntu-latest, Node 18.x, pnpm)
- GitHub Check: Test (ubuntu-latest, Node 20.x, npm)
- GitHub Check: Test (ubuntu-latest, Node 20.x, pnpm)
- GitHub Check: Coverage
🧰 Additional context used
📓 Path-based instructions (21)
Focus on command injection, unsafe subprocess usage, path traversal, SSRF, secret exposure, and missing tests for new CLI behavior.
⚙️ CodeRabbit configuration file
Files:
scripts/hooks/plugin-hook-bootstrap.js
- Lightweight agents with frequent invocation
📄 CodeRabbit inference engine (.cursor/rules/common-performance.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
NEVER hardcode secrets in source code - ALWAYS use environment variables or a secret manager
📄 CodeRabbit inference engine (.cursor/rules/common-security.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
No hardcoded secrets (API keys, passwords, tokens) - validate before any commit
📄 CodeRabbit inference engine (.cursor/rules/common-security.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Package manager detection should support npm, pnpm, yarn, and bun, with configuration via CLAUDE_PACKAGE_MANAGER environment variable or project config.
📄 CodeRabbit inference engine (CLAUDE.md)
Files:
scripts/hooks/plugin-hook-bootstrap.js
Always create new objects, never mutate existing ones. Use immutable patterns to prevent hidden side effects and enable safe concurrency
📄 CodeRabbit inference engine (.cursor/rules/common-coding-style.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Use parameterized queries to prevent SQL injection
📄 CodeRabbit inference engine (.cursor/rules/common-security.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Implement XSS prevention by sanitizing HTML output
📄 CodeRabbit inference engine (.cursor/rules/common-security.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
All user inputs must be validated
📄 CodeRabbit inference engine (.cursor/rules/common-security.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Write tests before implementation (test-driven development); target 80%+ coverage
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
tests/hooks/plugin-hook-bootstrap-no-echo.test.js
Do not hardcode secrets, API keys, passwords, or tokens
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Always create new objects and never mutate in place; return new copies instead
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
HTML output must be sanitized where applicable
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Auto-format JavaScript/TypeScript files using Prettier after edit
📄 CodeRabbit inference engine (.cursor/rules/typescript-hooks.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Never hardcode secrets; always use environment variables for sensitive credentials like API keys
📄 CodeRabbit inference engine (.cursor/rules/typescript-security.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Use Playwright as the E2E testing framework for critical user flows in TypeScript/JavaScript
📄 CodeRabbit inference engine (.cursor/rules/typescript-testing.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Use spread operator for immutable updates in TypeScript/JavaScript instead of direct mutation
📄 CodeRabbit inference engine (.cursor/rules/typescript-coding-style.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Use the ApiResponse interface pattern with generic type parameter: `interface ApiResponse { success: boolean; data?: T; error?: string; meta?: { total: number; page: number; limit: number; } }`
📄 CodeRabbit inference engine (.cursor/rules/typescript-patterns.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Ensure cross-platform support for Windows, macOS, and Linux via Node.js scripts in the scripts/ directory.
📄 CodeRabbit inference engine (CLAUDE.md)
Files:
scripts/hooks/plugin-hook-bootstrap.js
Required environment variables must be validated at startup
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
Use parameterized queries for all database writes (no string interpolation)
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
scripts/hooks/plugin-hook-bootstrap.jstests/hooks/plugin-hook-bootstrap-no-echo.test.js
🔇 Additional comments (4)
scripts/hooks/plugin-hook-bootstrap.js (2)
39-40: LGTM!
59-63: LGTM!tests/hooks/plugin-hook-bootstrap-no-echo.test.js (2)
245-245: LGTM!
258-258: LGTM!
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1 participant
Summary
Follow-up to #2380. The exact post-merge matrix showed that synchronous raw-input echoes can be truncated at platform-dependent pipe sizes: macOS Node 18 returned a 16 KiB prefix and macOS Node 20 returned an 8 KiB prefix, while the original classifier recognized only an exact 64 KiB prefix.
This patch removes the fixed buffer-size assumption. A non-empty stdout value is classified as passthrough only when it is a byte-exact prefix of the original hook event. A mismatched prefix remains genuine child output. The hook contract expects complete JSON output, so a truncated raw-event prefix is not a valid replacement result and must be suppressed.
Validation
Failure evidence
This restores the intended #2380 behavior without changing genuine hook output or fail-open handling.