.github/actions/setup-msvc-libusb/action.yml

name: 'Setup libusb for MSVC'
description: 'Download libusb sdk for MSVC, and set output/environment variables'
inputs:
  version:
    description: 'libusb version'
    required: true
    default: '1.0.27'
  arch:
    description: "libusb architecture (x86 or x64)"
    rqeuired: true
outputs:
  root:
    description: "libusb root directory"
    value: ${{ steps.final.outputs.root }}
runs:
  using: 'composite'
  steps:
    - name: 'Restore cached libusb-${{ inputs.version }}.7z'
      id: cache-restore
      uses: actions/cache/restore@v5
      with:
        path: 'C:\temp\libusb-${{ inputs.version }}.7z'
        key: libusb-msvc-${{ inputs.version }}
    - name: 'Download libusb ${{ inputs.version }}'
      if: ${{ !steps.cache-restore.outputs.cache-hit }}
      shell: pwsh
      run: |
        Invoke-WebRequest "https://github.com/libusb/libusb/releases/download/v${{ inputs.version }}/libusb-${{ inputs.version }}.7z" -OutFile "C:\temp\libusb-${{ inputs.version }}.7z"
    - name: 'Cache libusb-${{ inputs.version }}.7z'
      if: ${{ !steps.cache-restore.outputs.cache-hit }}
      uses: actions/cache/save@v5
      with:
        path: 'C:\temp\libusb-${{ inputs.version }}.7z'
        key: libusb-msvc-${{ inputs.version }}
    - name: 'Extract libusb'
      shell: pwsh
      run: |
        7z "-oC:\temp\libusb-${{ inputs.version }}" x "C:\temp\libusb-${{ inputs.version }}.7z"
    - name: 'Set output vars'
      id: final
      shell: pwsh
      run: |
        if ('${{ inputs.arch }}' -eq 'x86') {
          $archdir = "MS32";
        } elseif ('${{ inputs.arch }}' -eq 'x64') {
          $archdir = "MS64";
        } else {
          write-host "Invalid arch=${{ inputs.arch }}"
          exit 1
        }
        $libusb_incdir = "C:\temp\libusb-${{ inputs.version }}\include";
        $libusb_libdir = "C:\temp\libusb-${{ inputs.version }}\VS2022\${archdir}\dll";
        
        $libusb_header = "${libusb_incdir}\libusb.h";
        $libusb_implib = "${libusb_libdir}\libusb-1.0.lib";
        $libusb_dll = "${libusb_libdir}\libusb-1.0.dll";
        
        if (!(Test-Path "${libusb_header}")) {
          write-host "${libusb_header} does not exist!"
          exit 1
        }
        if (!(Test-Path "${libusb_implib}")){
          write-host "${libusb_implib} does not exist!"
          exit 1
        }
        if (!(Test-Path "${libusb_dll}")) {
          write-host "${libusb_dll} does not exist!"
          exit 1
        }
        echo "root=${libusb_incdir};${libusb_libdir}" >> $env:GITHUB_OUTPUT
        echo "LibUSB_ROOT=${libusb_incdir};${libusb_libdir}" >> $env:GITHUB_ENV