action.yml

name: Create static redbean server
description: "Create a single-file cross-platform server within an executable ZIP, powered by redbean 🦞"
branding:
  icon: globe
  color: red

inputs:
  version:
    description: "Redbean executable to download & use"
    default: "latest"
  executable-name:
    description: "Name of the redbean executable"
    default: "redbean.com"
  input:
    description: "Location of static files to include"
    default: "dist"
  fallback:
    description: "Fallback file if asset can't be found. Set to `false` to disable."
    default: "index.html"
  launch:
    description: "On startup launch preferred browser pointing to this path. Set to `false` to disable."
    default: "/"
  cache:
    description: "Cache redbean executable"
    default: true
    
runs:
  using: "composite"
  steps:
    - name: Generate paths
      id: paths
      shell: bash
      run: |
        echo "::set-output name=executable::$(pwd)/${{ inputs.executable-name }}"
        echo "::set-output name=temp::$(mktemp -d)"
    - if: ${{ inputs.cache }}
      name: Create static symlink to temp directory to work around actions/cache#815
      shell: bash
      run: ln -snf ${{ steps.paths.outputs.temp }} /tmp/.action-static-redbean
    - if: ${{ inputs.cache }}
      id: cache
      uses: actions/cache@v3
      with:
        path: /tmp/.action-static-redbean/redbean.com
        key: action-static-redbean-${{ inputs.version }}
    - if: ${{ !inputs.cache || steps.cache.outputs.cache-hit != 'true' }}
      name: Fetch redbean-${{ inputs.version }}.com
      run: curl "https://redbean.dev/redbean-${{ inputs.version }}.com" >"${{ steps.paths.outputs.temp }}/redbean.com"
      shell: bash
    - run: cp "${{ steps.paths.outputs.temp }}/redbean.com" "${{ steps.paths.outputs.executable }}"
      shell: bash
    - if: ${{ inputs.fallback != false }}
      name: Add code for fallback to "${{ inputs.fallback }}"
      shell: bash
      working-directory: ${{ steps.paths.outputs.temp }}
      run: |
        unzip -qq "${{ steps.paths.outputs.executable }}" .init.lua
        
        cat <<EOT >> .init.lua        
        function OnHttpRequest()
            if not RoutePath() then
                ServeAsset('${{ inputs.fallback }}')
            end
        end        
        EOT
        
        zip -qq "${{ steps.paths.outputs.executable }}" .init.lua
        rm .init.lua
    - if: ${{ inputs.launch != false }}
      name: Add code to point browser to "${{ inputs.launch }}"
      shell: bash
      working-directory: ${{ steps.paths.outputs.temp }}
      run: |
        unzip -qq "${{ steps.paths.outputs.executable }}" .init.lua
        echo "LaunchBrowser('${{ inputs.launch }}')" >> .init.lua
        zip -qq "${{ steps.paths.outputs.executable }}" .init.lua
        rm .init.lua
    - run: zip -qq -r "${{ steps.paths.outputs.executable }}" ./**
      name: Add static files to executable
      shell: bash
      working-directory: ${{ inputs.input }}