action.yml

name: "Setup Zarf"
description: "Installs Zarf and includes the Zarf CLI in the PATH"

inputs:
  version:
    description: "The version of Zarf to install. Uses the latest version if not specified."
  download-init-package:
    description: "Download the corresponding Zarf init package."

runs:
  using: "composite"
  steps:
    - shell: bash
      run: |
        #!/bin/bash
        # Base url for zarf release artifacts
        target_dir="${HOME}/.zarf-cache"
        version="${{ inputs.version }}"

        # Use latest version if not specified
        if [ "${version}" == "" ]; then
          version=$(curl -sIX HEAD https://github.com/zarf-dev/zarf/releases/latest | grep -i ^location: | grep -Eo 'v[0-9]+.[0-9]+.[0-9]+')
        fi

        release_path="https://github.com/zarf-dev/zarf/releases/download/${version}"

        mkdir -p $target_dir

        # Set the architecture variable
        case ${{ runner.arch }} in
          X64)
            arch="amd64"
            ;;
          ARM64)
            arch="arm64"
            ;;
          *)
            echo "Unsupported architecture, only X64 and ARM64 are supported."
            exit 1
            ;;
        esac

        # Set the filename variable
        case ${{ runner.os }} in
          Linux)
            filename="Linux_${arch}"
            ;;
          macOS)
            filename="Darwin_${arch}"
            ;;
          Windows)
            filename="Windows_${arch}.exe"
            suffix=".exe"
            ;;
          *)
            echo "Unsupported OS type, only Linux, macOS, and Windows are supported."
            exit 1
            ;;
        esac

        echo "Downloading Zarf ${version} for ${{ runner.os }} ${arch}"
        curl -sL "${release_path}/zarf_${version}_${filename}" -o "${target_dir}/zarf${suffix}"

        # Make the file executable if it's not a Windows binary
        [ "${{ runner.os }}" == "Windows" ] || chmod +x "${target_dir}/zarf"

        if [ "${{ inputs.download-init-package }}" == "true" ]; then
          echo "Downloading Zarf init package ${version} for ${{ runner.os }} ${arch}"
          curl -sL "${release_path}/zarf-init-${arch}-${version}.tar.zst" -o "${target_dir}/zarf-init-${arch}-${version}.tar.zst"
        fi

    - if: ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
      run: echo "${HOME}/.zarf-cache" >> $GITHUB_PATH
      shell: bash

    - if: ${{ runner.os == 'Windows' }}
      run: echo "${HOME}/.zarf-cache" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
      shell: pwsh