GitHub Action Authoring — setup-boxlang

When to Use

• Adding or fixing Windows, Linux, or macOS support in action.yml
• Writing or debugging PowerShell (shell: powershell) steps
• Adding new inputs, outputs, or conditional steps
• Updating tests.yml with new platform/feature coverage
• Debugging PATH issues on GitHub Actions Windows runners
• Installing third-party tools (BoxLang, CommandBox) in CI

Architecture

action.yml is a composite action with platform-specific parallel step pairs: