action.yml

name: Publish gem
description: Publishes RubyGem to GitHub Packages

inputs:
  gemspec-file:
    description: Name of the gemspec file
    required: false
    default: "*.gemspec"
  working-directory:
    description: Path of the gem, usually containing the gemspec file
    required: false
    default: "."

runs:
  using: composite

  steps:
    - name: Create ~/.gem/crendentials file
      shell: bash
      run: |
        mkdir -p $HOME/.gem
        echo -e "---\n:github: Bearer ${{ github.token }}" > $HOME/.gem/credentials
        chmod 0600 $HOME/.gem/credentials

    - name: Build gem
      shell: bash
      working-directory: ${{ inputs.working-directory }}
      run: |
        gem build ${{ inputs.gemspec-file }}

    - name: Publish gem
      shell: bash
      working-directory: ${{ inputs.working-directory }}
      run: |
        gem push *.gem --key github --host https://rubygems.pkg.github.com/${{ github.repository_owner }}