action.yml

# Copyright 2025 Braden Ganetsky
# Distributed under the Boost Software License, Version 1.0.
# https://www.boost.org/LICENSE_1_0.txt

name: 'Setup MSVC'
description: 'Downloads, installs, and sets up the environment for a particular version of MSVC'
author: 'Braden Ganetsky'

inputs:
  vs-version:
    required: true
  install-path:
    default: ..\vs-install

runs:
  using: "composite"
  steps:
    - name: Download and install VS Build Tools, and setup MSVC environment
      shell: powershell
      run: |
        mkdir ${{ inputs.install-path }} -Force
        $installPath = Resolve-Path ${{ inputs.install-path }}

        $scriptOutput = python ${{ github.action_path }}/get_install_args.py ${{ inputs.vs-version }} 2>&1
        if ($LASTEXITCODE -eq 0) {
          $vsVersion = $scriptOutput[0]
          $bootstrapper = $scriptOutput[1]
          $componentID = $scriptOutput[2]
          Write-Host "Installing Visual Studio $vsVersion at $installPath"
        } else {
          Write-Host "get_install_args.py failed with exit code: $LASTEXITCODE"
          Write-Host $scriptOutput
          exit $LASTEXITCODE
        }

        Invoke-Webrequest -Uri $bootstrapper -OutFile vs_buildtools.exe

        Start-Process `
          -FilePath ".\vs_buildtools.exe" `
          -ArgumentList @(
            '--quiet', '--norestart',
            '--installPath', $installPath,
            '--add', $componentID,
            '--add', 'Microsoft.VisualStudio.Component.VC.Tools.x86.x64',
            '--includeRecommended',
            '--noUpdateInstaller'
          ) `
          -NoNewWindow `
          -Wait

        rm .\vs_buildtools.exe

        cmd /c "$installPath\VC\Auxiliary\Build\vcvars64.bat >nul && set" |
          ForEach-Object {
            Add-Content $env:GITHUB_ENV $_
          }