build.ps1

#!/usr/bin/env powershell

#Requires -Version 5

<#
.SYNOPSIS
Builds Habitat components for Windows

.DESCRIPTION
This script builds habitat components and ensures that all necesary prerequisites are installed.
#>

param (
    # The path to the component to be built. If not specified the current directory is used.
    [string]$Path=".",
    # When specified, all necessary prerequisites will be installed.
    [switch]$Configure,
    # When specified, a cargo clean will be invoked.
    [switch]$Clean,
    # When specified, cargo test will be invoked for the specified component.
    [switch]$Test,
    # When specified a build will not be run.
    [switch]$SkipBuild,
    # Use a optimized release build
    [switch]$Release,
    # Run a cargo check instead of build
    [switch]$Check,
    # Add protocol feature
    [switch]$protocols
)

if(!$env:ChocolateyInstall) {
    $env:ChocolateyInstall = "$env:ProgramData\Chocolatey"
}
# Set Environment Variables for the build
$ChocolateyHabitatLibDir = "$env:ChocolateyInstall\lib\habitat_native_dependencies\builds\lib"
$ChocolateyHabitatIncludeDir = "$env:ChocolateyInstall\lib\habitat_native_dependencies\builds\include"
$ChocolateyHabitatBinDir = "C:\ProgramData\chocolatey\lib\habitat_native_dependencies\builds\bin"

## Helper Functions
function New-PathString([string]$StartingPath, [string]$Path) {
    if (-not [string]::IsNullOrEmpty($path)) {
        if (-not [string]::IsNullOrEmpty($StartingPath)) {
            [string[]]$PathCollection = "$path;$StartingPath" -split ';'
            $Path = ($PathCollection |
                Select-Object -Unique |
                Where-Object {-not [string]::IsNullOrEmpty($_.trim())} |
                Where-Object {test-path "$_"}
            ) -join ';'
        }
        $path
    }
    else {
        $StartingPath
    }
}

function Test-AppVeyor {
    (test-path env:\APPVEYOR) -and ([bool]::Parse($env:APPVEYOR))
}

function Test-RustUp {
    (get-command -Name rustup.exe -ErrorAction SilentlyContinue) -ne $null
}

function Invoke-Configure {
    # Make sure that chocolatey is installed and up to date
    # (required for dependencies)
    if (-not (get-command choco -ErrorAction SilentlyContinue)) {
        Write-Host "Installing Chocolatey"
        Invoke-Expression ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1')) | out-null
    }
    else {
        Write-Host "Making sure Chocolatey is current."
        choco upgrade chocolatey --confirm | Out-Null
    }

    # We need the native library dependencies for `hab`
    # Until we have habitat packages on Windows, there is
    # a chocolatey package hosted in MyGet with the native
    # dependencies built.
    if ((choco list habitat_native_dependencies --local-only) -match '^1 packages installed\.$') {
        choco upgrade habitat_native_dependencies --confirm -s https://www.myget.org/F/habitat/api/v2  --allowemptychecksums
    }
    else {
        choco install habitat_native_dependencies --confirm -s https://www.myget.org/F/habitat/api/v2  --allowemptychecksums
    }

    if(!(Get-Command git -ErrorAction SilentlyContinue)) {
        choco install git --confirm
        $env:path = New-PathString -StartingPath $env:path -Path "c:\Program Files\git\cmd"
    }
    choco install libzmq_vc120 --version 4.2.3 --confirm -s https://www.nuget.org/api/v2/ --allowemptychecksums

    Copy-Item $env:ChocolateyInstall\lib\libzmq_vc120\build\native\bin\libzmq-x64-v120-mt-4_2_3_0.imp.lib $ChocolateyHabitatLibDir\zmq.lib -Force
    Copy-Item $env:ChocolateyInstall\lib\libzmq_vc120\build\native\bin\libzmq-x64-v120-mt-4_2_3_0.dll $ChocolateyHabitatBinDir\libzmq.dll -Force

    choco install libsodium_vc120 --version 1.0.12 --confirm -s https://www.nuget.org/api/v2/
    
    Copy-Item $env:ChocolateyInstall\lib\libsodium_vc120\build\native\bin\libsodium-x64-v120-mt-1_0_12_0.imp.lib $ChocolateyHabitatLibDir\sodium.lib -Force
    Copy-Item $env:ChocolateyInstall\lib\libsodium_vc120\build\native\bin\libsodium-x64-v120-mt-1_0_12_0.dll $ChocolateyHabitatBinDir\libsodium.dll -Force
    
    if (-not (Test-AppVeyor)) {
        # We need the Visual C 2013 Runtime for the Win32 ABI Rust
        choco install 'vcredist2013' --confirm --allowemptychecksum

        # We need the Visual C++ tools to build Rust crates (provides a compiler and linker)
        choco install 'visualcppbuildtools' --version '14.0.25123' --confirm --allowemptychecksum

        choco install 7zip --version '16.02.0.20160811' --confirm
    }

    if (-not (Test-RustUp)) {
        Write-Host "Installing rustup and stable-x86_64-pc-windows-msvc Rust."
        invoke-restmethod -usebasicparsing 'https://static.rust-lang.org/rustup/dist/i686-pc-windows-gnu/rustup-init.exe' -outfile 'rustup-init.exe'
        ./rustup-init.exe -y --default-toolchain stable-x86_64-pc-windows-msvc --no-modify-path
    }
    else {
        rustup install stable-x86_64-pc-windows-msvc
    }
}

function Get-RustcCommand {
    if(Test-RustUp) {
        'rustup run stable-x86_64-pc-windows-msvc rustc'
    }
    else {
        'rustc'
    }
}

function Get-CargoCommand {
    if(Test-RustUp) {
        'rustup run stable-x86_64-pc-windows-msvc cargo'
    }
    else {
        'cargo'
    }
}

function Write-RustToolVersion {
    Write-Host ""
    Invoke-Expression "$(Get-RustcCommand) --version"
    Invoke-Expression "$(Get-CargoCommand) --version"
    Write-Host ""
}

function Invoke-Build([string]$Path, [switch]$Clean, [switch]$Release, [switch]$Check, [switch]$Protocols) {
    $Path = Resolve-Path $Path

    $cargo = Get-CargoCommand

    Push-Location "$Path"
    if($Clean) {
        invoke-expression "$cargo clean"
    }
    if($Check) {
        Invoke-Expression "$cargo check" -ErrorAction Stop
    }
    else {
        Invoke-Expression "$cargo build $(if ($Release) { '--release' }) $(if ($Protocols) { '--features protocols' })" -ErrorAction Stop
    }
    Pop-Location
}

function Invoke-Test([string]$Path, [switch]$Clean, [switch]$Release) {
    $Path = Resolve-Path $Path

    $cargo = Get-CargoCommand

    Push-Location "$Path"
    if($Clean) {
        invoke-expression "$cargo clean"
    }
    Invoke-Expression "$cargo test $(if ($Release) { '--release' })" -ErrorAction Stop
    Pop-Location
}

if($Configure) {
    Invoke-Configure
}

# Set Default Environmental Variables for Native Compilation
# AppVeyor will have these set already.
if (-not (Test-AppVeyor)) {
    $env:LIB = 'C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\LIB\amd64;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\ATLMFC\LIB\amd64;C:\Program Files (x86)\Windows Kits\10\lib\10.0.10240.0\ucrt\x64;C:\Program Files (x86)\Windows Kits\NETFXSDK\4.6.1\lib\um\x64;C:\Program Files (x86)\Windows Kits\10\lib\10.0.10240.0\um\x64;'
    $env:INCLUDE = 'C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\ATLMFC\INCLUDE;C:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\ucrt;C:\Program Files (x86)\Windows Kits\NETFXSDK\4.6.1\include\um;C:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\shared;C:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\um;C:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\winrt;'
    $env:PATH = New-PathString -StartingPath $env:PATH -Path 'C:\Program Files (x86)\MSBuild\14.0\bin\amd64;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\BIN\amd64;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\VCPackages;C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319;C:\WINDOWS\Microsoft.NET\Framework64\;C:\Program Files (x86)\Windows Kits\10\bin\x64;C:\Program Files (x86)\Windows Kits\10\bin\x86;C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6.1 Tools\x64\'
}

$env:PATH                       = New-PathString -StartingPath $env:PATH    -Path 'C:\Program Files\7-Zip'
$env:PATH                       = New-PathString -StartingPath $env:PATH    -Path $ChocolateyHabitatBinDir
$env:LIB                        = New-PathString -StartingPath $env:LIB     -Path $ChocolateyHabitatLibDir
$env:INCLUDE                    = New-PathString -StartingPath $env:INCLUDE -Path $ChocolateyHabitatIncludeDir
$env:SODIUM_LIB_DIR             = $ChocolateyHabitatLibDir
$env:LIBARCHIVE_INCLUDE_DIR     = $ChocolateyHabitatIncludeDir
$env:LIBARCHIVE_LIB_DIR         = $ChocolateyHabitatLibDir
$env:OPENSSL_LIBS               = 'ssleay32:libeay32'
$env:OPENSSL_LIB_DIR            = $ChocolateyHabitatLibDir
$env:OPENSSL_INCLUDE_DIR        = $ChocolateyHabitatIncludeDir
$env:LIBZMQ_PREFIX              = Split-Path $ChocolateyHabitatLibDir -Parent

Write-RustToolVersion

if(!(Test-Path "$env:TEMP\cacert.pem")) {
    Write-Host "Downloading cacerts.pem"
    $current_protocols = [Net.ServicePointManager]::SecurityProtocol
    try {
        [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
        Invoke-WebRequest -UseBasicParsing -Uri "http://curl.haxx.se/ca/cacert.pem" -OutFile "$env:TEMP\cacert.pem"
    }
    finally {
        [Net.ServicePointManager]::SecurityProtocol = $current_protocols
    }
}
$env:SSL_CERT_FILE="$env:TEMP\cacert.pem"
$env:PROTOBUF_PREFIX=$env:ChocolateyInstall

if ($Test) {
    Invoke-Test $Path -Clean:$Clean -Release:$Release
}
if (!$SkipBuild) {
    Invoke-Build $Path -Clean:$Clean -Release:$Release -Check:$Check -Protocols:$protocols
}

exit $LASTEXITCODE