homebrew-tap-info.yml

name: Homebrew TAP INFO (Workflow)

on:
  workflow_call:
    inputs:
      forced:
        description: "Force execution - Default: false"
        required: false
        type: boolean
        default: false
      github_actions_artifact_name:
        description: "Artifact name for tap information - Default: homebrew-tap-info-json"
        required: false
        type: string
        default: "homebrew-tap-info-json"

jobs:
  check_artifact_ref:
    runs-on: ubuntu-latest

    outputs:
      ref: ${{ steps.get-ref.outputs.ref }}

    if: ${{ ! inputs.forced }}
    steps:
      - id: download-artifacts
        uses: actions/download-artifact@v4
        with:
          name: ${{ inputs.github_actions_artifact_name }}
          path: ${{ inputs.github_actions_artifact_name }}

      - id: get-ref
        run: |
          echo ref=$(jq -r '.[0]."HEAD"' ${{ inputs.github_actions_artifact_name }}) >> $GITHUB_OUTPUT

  check_git_ref:
    runs-on: ubuntu-latest

    outputs:
      ref: ${{ steps.get-ref.outputs.ref }}

    if: ${{ ! inputs.forced }}
    steps:
      - id: get-ref
        run: |
          echo ref=${{ github.head_ref }} >> $GITHUB_OUTPUT

  check_freshness:
    runs-on: ubuntu-latest
    needs: [ check_artifact_ref, check_git_ref ]

    outputs:
      go-ahead: ${{ steps.check.outputs.yesno }}

    if: ${{ ! inputs.forced }}
    steps:
      - id: check
        run: |
          if [[ ${{ inputs.forced }} ]]; then
            echo yesno=1 >> $GITHUB_OUTPUT
          elif [[ ${{ needs.check_artifact_ref.outputs.ref }} != ${{ needs.check_git_ref.outputs.ref }} ]]; then
            echo yesno=1 >> $GITHUB_OUTPUT
          else
            echo yesno=0 >> $GITHUB_OUTPUT
          fi

  homebrew_tap_info:
    runs-on: ubuntu-latest # macOS-latest?
    needs: check_freshness

    env:
      HOMEBREW_NO_ANALYTICS: 1

    outputs:
      homebrew-tap-info-json: ${{ steps.echo.outputs.json }}

    if: ${{ inputs.forced || needs.check_freshness.outputs.go-ahead }}
    steps:
      - id: setup-homebrew
        uses: sazriel26/github-actions-sandbox/setup-homebrew-on-github-actions@main
        with:
          developer-mode: true

      - id: homebrew-tap
        run: |
          brew tap ${{ github.repository }}

      - id: homebrew-tap-info
        run: |
          brew tap-info --json ${{ github.repository }} \
            > ${{ inputs.github_actions_artifact_name }}

      - id: upload-artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ${{ inputs.github_actions_artifact_name }}
          path: ${{ inputs.github_actions_artifact_name }}
          overwrite: true

     - id: echo 
       run: |
          json=$(< ${{ inputs.github_actions_artifact_name }})
          echo json=${json} >> $GITHUB_OUTPUT

# EoF