test

[JamesHenry]

test issue to check claude code workflow is correctly set up

[JamesHenry]

@claude tell me about the files in this repo

[claude]

Claude finished @JamesHenry's task —— View job

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Repository Analysis

Todo List:

• Explore root directory structure
• Check for key configuration files (package.json, README, etc.)
• Analyze source code directories
• Check for CLAUDE.md repository instructions
• Provide comprehensive file overview

Repository Overview

The nx-set-shas repository is a GitHub Action that helps with Nx monorepo CI optimization by determining the correct base and head SHAs for nx affected commands.

File Structure

Core Files

• nx-set-shas.ts - Main TypeScript source file (280 lines) containing the action logic
• action.yml - GitHub Action configuration defining inputs, outputs, and metadata
• dist/nx-set-shas.js - Compiled JavaScript bundle for the action

Configuration & Build

• package.json - Node.js package configuration using Bun as package manager (v4.3.3)
• tsconfig.json - TypeScript compiler configuration (ES2023, NodeNext modules)
• bun.lock - Bun package manager lock file

Documentation

• README.md - Comprehensive documentation with usage examples and configuration options
• CONTRIBUTING.md - Development setup and contribution guidelines
• LICENSE - MIT license

Development Tools

• tools/pre-commit.ts - Pre-commit hook script that builds, formats, and validates changes

Purpose & Functionality

This action solves a critical CI problem for Nx monorepos: determining which projects are "affected" between commits. It intelligently finds:

1. For Pull Requests: Base SHA from where the PR branch originated
2. For Main Branch: SHA of the last successful CI run to ensure incremental deployments

Key Features

• Uses GitHub API to track successful workflow runs (v2+ approach vs v1 git tags)
• Supports various GitHub event types (push, pull_request, merge_group)
• Configurable main branch names, remotes, and fallback strategies
• Sets NX_BASE and NX_HEAD environment variables automatically
• Handles edge cases like rebased branches and first-time setups

Development Stack

• Runtime: Node.js 20+ with Bun package manager
• Language: TypeScript with ES2023 target
• Dependencies: GitHub Actions core libraries (@actions/core, @actions/github)
• Tooling: Prettier for formatting, Husky for git hooks

The repository is well-structured, thoroughly documented, and follows GitHub Action best practices for a production-ready CI tool.

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