Matrix Generator

Version updated for https://github.com/skgandikota/SetMatrix to version v1.

• This action is used across all versions by ? repositories.

Action Type

This is a Node action using Node version 20.

Go to the GitHub Marketplace to find the latest changes.

Action Summary

The SetMatrix GitHub Action dynamically generates JSON matrices for use in GitHub Actions workflows. It automates the creation of complex matrix configurations by accepting input in various formats (e.g., comma-separated values, JSON arrays, or files) and supports advanced filtering, inclusion, and exclusion of matrix combinations. This simplifies the setup and customization of matrix strategies, enabling efficient multi-environment or multi-parameter testing.

What’s Changed

DySetMatrix v1.0.0

Dynamically generate matrix JSON for GitHub Actions matrix strategy from inputs, files, or JSON arrays.

Features

• Comma-separated values, JSON arrays, or JSON files
• Filter expressions (os!=windows, node>=18)
• Include/exclude combinations
• Output ready for fromJSON() in matrix strategy

Usage

- id: matrix
  uses: skgandikota/SetMatrix@v1
  with:
    values: "ubuntu-latest,macos-latest,windows-latest"
    name: "os"

# Then: matrix: ${{ fromJSON(steps.matrix.outputs.matrix) }}

• Skgandikota
• GitHub Actions