Version Packages

[threepointone]

This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

Releases

@cloudflare/[email protected]

Patch Changes

• #141 c39674b Thanks @ghostwriternr! - Fix commands hanging when reading stdin by redirecting stdin to /dev/null

• #143 276efc0 Thanks @ghostwriternr! - Remove unnecessary existing session check

@repo/[email protected]

Patch Changes

• #141 c39674b Thanks @ghostwriternr! - Fix commands hanging when reading stdin by redirecting stdin to /dev/null

[claude]

Pull Request Review: Version Packages (0.4.7)

Overview

This is an automated release PR generated by Changesets that bumps the version from 0.4.6 to 0.4.7, incorporating the stdin hang fix from PR #141.

Summary

✅ Approved - This is a standard release PR with appropriate version bumps and changelog updates.

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Detailed Analysis

Code Quality ✅

• Version Consistency: All version references are correctly updated across:
  • package.json files (sandbox and sandbox-container packages)
  • version.ts (SDK_VERSION constant)
  • Dockerfile references in examples and tests
  • package-lock.json lockfile
• Changeset Processing: Properly removes the consumed changeset file (friendly-dingos-arrive.md)
• Changelog Generation: Clean, well-formatted changelogs with proper links to PRs and commits

Changes Review

1. Package Version Bumps ✅

• @cloudflare/sandbox: 0.4.6 → 0.4.7 (patch)
• @repo/sandbox-container: 0.0.1 → 0.0.2 (patch)

Both are appropriate patch releases as they contain only bug fixes (stdin hang issue).

2. Dockerfile Updates ✅

Updated base image references from 0.4.6 to 0.4.7 in:

• examples/basic/Dockerfile
• examples/code-interpreter/Dockerfile
• examples/minimal/Dockerfile
• tests/e2e/test-worker/Dockerfile

This ensures examples and tests use the correct version.

3. package-lock.json Changes ⚠️

The lockfile shows peer dependency marking changes (adding/removing "peer": true flags). These changes are:

• Normal behavior: npm's lockfile algorithm can adjust peer dependency flags during version bumps
• No functional impact: The actual dependency resolution remains unchanged
• Verified: No unexpected dependency version changes

Underlying Bug Fix (from PR #141) ✅

The release includes a critical bug fix for commands hanging when reading stdin:

Problem: Commands that check stdin (like cat, read, grep) would hang indefinitely because they inherited a pipe from the parent shell with no EOF.

Solution: Redirect stdin to /dev/null using < /dev/null in bash command execution, ensuring immediate EOF for all commands.

Implementation Quality:

• ✅ Applied consistently to all execution modes (foreground exec, background execStream, startProcess)
• ✅ Correct bash syntax placement: { command; } < /dev/null > stdout 2> stderr
• ✅ Comprehensive test coverage added (cat, read, grep scenarios)
• ✅ Non-breaking change - commands that don't use stdin are unaffected

Test Coverage ✅

PR #141 added excellent E2E tests (tests/e2e/environment-workflow.test.ts:245-296):

• Tests cat (reads stdin with no args)
• Tests read with timeout
• Tests grep with no file argument
• 90-second timeout to catch hangs
• Proper assertions for expected behavior

Security Considerations ✅

• Positive security impact: Prevents resource exhaustion from hanging commands
• Defense-in-depth: Enforces non-interactive behavior by design
• No credentials, secrets, or sensitive data exposed
• No new attack surface introduced

Performance Considerations ✅

• Improvement: Eliminates indefinite hangs, preventing resource waste
• Minimal overhead: /dev/null redirection has negligible performance cost
• Better responsiveness: Commands return immediately when stdin is not needed

Potential Issues

None identified ✅

This is a clean release PR with:

• Proper semantic versioning (patch bump for bug fix)
• Consistent version updates across all artifacts
• Well-documented changes in changelogs
• No breaking changes
• No security concerns

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Recommendations

✅ Ready to Merge

This PR is ready to merge once CI passes. The changes are:

1. Mechanically correct
2. Properly versioned
3. Include important bug fixes
4. Maintain backward compatibility

Post-Merge Actions

After merging:

1. ✅ Packages will auto-publish to npm via Changesets action
2. ✅ Users will get the stdin hang fix automatically on upgrade
3. 📝 Consider announcing the fix for users experiencing hangs

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Conclusion

This is a well-formed release PR that properly packages the stdin hang fix. The version bumps are appropriate, the changelog is clear, and the underlying fix is solid.

Recommendation: Approve and merge ✅

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🤖 Generated with Claude Code