build.ps1

#!/usr/bin/env pwsh
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

param(
    [Parameter()]
    [switch]
    $Bootstrap,

    [Parameter()]
    [switch]
    $Test,

    [Parameter()]
    [switch]
    $Package
)

$NeededTools = @{
    Pester = "Pester latest"
}

function needsPester() {
    if (Get-Module -ListAvailable -Name Pester) {
        return $false
    }
    return $true
}

function getMissingTools () {
    $missingTools = @()

    if (needsPester) {
        $missingTools += $NeededTools.Pester
    }

    return $missingTools
}

function hasMissingTools () {
    return ((getMissingTools).Count -gt 0)
}

if ($Bootstrap) {
    $string = "Here is what your environment is missing:`n"
    $missingTools = getMissingTools

    if (($missingTools).Count -eq 0) {
        $string += "* nothing!`n`n Run this script without a flag to build or a -Clean to clean."
    }
    else {
        $missingTools | ForEach-Object { $string += "* $_`n" }
    }

    Write-Output "`n$string`n"
}
elseif (hasMissingTools) {
    Write-Output "You are missing needed tools. Run './build.ps1 -Bootstrap' to see what they are."
}
else {
    if ($Test) {
        Push-Location $PSScriptRoot\Tests
        $res = Invoke-Pester -OutputFormat NUnitXml -OutputFile TestsResults.xml -PassThru
        if ($res.FailedCount -gt 0) { throw "$($res.FailedCount) tests failed." }
        Pop-Location
    }

    if ($Package) {
        if ((Test-Path "$PSScriptRoot\out")) {
            Remove-Item -Path $PSScriptRoot\out -Recurse -Force
        }

        New-Item -ItemType directory -Path $PSScriptRoot\out
        New-Item -ItemType directory -Path $PSScriptRoot\out\Polaris

        Copy-Item -Path "$PSScriptRoot\Polaris.ps*1" -Destination "$PSScriptRoot\out\Polaris\" -Force
        Copy-Item -Path "$PSScriptRoot\README.md" -Destination "$PSScriptRoot\out\Polaris\" -Force
        Copy-Item -Path "$PSScriptRoot\LICENSE.txt" -Destination "$PSScriptRoot\out\Polaris\" -Force
        Copy-Item -Path "$PSScriptRoot\lib" -Destination "$PSScriptRoot\out\Polaris\" -Force -Recurse
        Copy-Item -Path "$PSScriptRoot\Public" -Destination "$PSScriptRoot\out\Polaris\" -Force -Recurse
        Copy-Item -Path "$PSScriptRoot\Private" -Destination "$PSScriptRoot\out\Polaris\" -Force -Recurse

        if ($null -ne $env:TF_BUILD) {
            Compress-Archive "$PSScriptRoot/out/Polaris/" (Join-Path $env:BUILD_ARTIFACTSTAGINGDIRECTORY Polaris.zip)
        }
    }
}