action.yml

name: 'Setup Effigy'
description: 'Download and cache the Effigy task runner binary'
author: 'inflatable-cookie'

branding:
  icon: 'terminal'
  color: 'orange'

inputs:
  version:
    description: 'Effigy version to install (e.g. 0.2.7)'
    required: true
  token:
    description: 'GitHub token for downloading release assets'
    required: false
    default: ${{ github.token }}

outputs:
  version:
    description: 'The installed Effigy version'
    value: ${{ inputs.version }}
  cache-hit:
    description: 'Whether the binary was restored from cache'
    value: ${{ steps.cache.outputs.cache-hit }}

runs:
  using: 'composite'
  steps:
    - name: Detect platform
      id: platform
      shell: bash
      run: |
        TOOL_CACHE="${RUNNER_TOOL_CACHE:-${HOME}/.effigy-cache}"
        case "${{ runner.os }}-${{ runner.arch }}" in
          Linux-X64)    triple="x86_64-unknown-linux-gnu" ;;
          Linux-ARM64)  triple="aarch64-unknown-linux-gnu" ;;
          macOS-ARM64)  triple="aarch64-apple-darwin" ;;
          macOS-X64)    triple="x86_64-apple-darwin" ;;
          *)
            echo "::error::Unsupported platform: ${{ runner.os }}-${{ runner.arch }}"
            exit 1
            ;;
        esac
        echo "triple=${triple}" >> "$GITHUB_OUTPUT"
        echo "install-dir=${TOOL_CACHE}/effigy/${{ inputs.version }}/${triple}" >> "$GITHUB_OUTPUT"

    - name: Create install directory
      shell: bash
      run: mkdir -p "${{ steps.platform.outputs.install-dir }}"

    - name: Cache Effigy binary
      id: cache
      uses: actions/cache@v4
      with:
        path: ${{ steps.platform.outputs.install-dir }}
        key: effigy-${{ inputs.version }}-${{ steps.platform.outputs.triple }}

    - name: Download Effigy binary
      if: steps.cache.outputs.cache-hit != 'true'
      shell: bash
      env:
        GH_TOKEN: ${{ inputs.token }}
      run: |
        url="https://github.com/inflatable-cookie/effigy/releases/download/v${{ inputs.version }}/effigy-${{ steps.platform.outputs.triple }}"
        echo "Downloading effigy v${{ inputs.version }} for ${{ steps.platform.outputs.triple }}"
        curl -fsSL \
          -H "Authorization: token ${GH_TOKEN}" \
          -o "${{ steps.platform.outputs.install-dir }}/effigy" \
          "${url}" || {
          echo "::error::Failed to download effigy v${{ inputs.version }} for ${{ steps.platform.outputs.triple }}"
          echo "::error::Check that the version exists at https://github.com/inflatable-cookie/effigy/releases/tag/v${{ inputs.version }}"
          exit 1
        }
        chmod +x "${{ steps.platform.outputs.install-dir }}/effigy"

    - name: Add to PATH
      shell: bash
      run: echo "${{ steps.platform.outputs.install-dir }}" >> "$GITHUB_PATH"

    - name: Verify installation
      shell: bash
      run: |
        chmod +x "${{ steps.platform.outputs.install-dir }}/effigy"
        "${{ steps.platform.outputs.install-dir }}/effigy" --help > /dev/null
        echo "Effigy v${{ inputs.version }} installed successfully"