Implement builders to build Go from source code

builders/build-go.ps1

@@ -0,0 +1,71 @@
+using module "./builders/win-go-builder.psm1"
+using module "./builders/nix-go-builder.psm1"
+
+<#
+.SYNOPSIS
+Generate Go artifact.
+
+.DESCRIPTION
+Main script that creates instance of GoBuilder and builds of Go using specified parameters.
+
+.PARAMETER Version
+Required parameter. The version with which Go will be built.
+
+.PARAMETER Architecture
+Optional parameter. The architecture with which Go will be built. Using x64 by default.
+
+.PARAMETER Platform
+Required parameter. The platform for which Go will be built.
+
+#>
+
+param(
+    [Parameter (Mandatory=$true)][version] $Version,
+    [Parameter (Mandatory=$true)][string] $Platform,
+    [string] $Architecture = "x64"
+)
+
+Import-Module (Join-Path $PSScriptRoot "../helpers" | Join-Path -ChildPath "nix-helpers.psm1") -DisableNameChecking
+Import-Module (Join-Path $PSScriptRoot "../helpers" | Join-Path -ChildPath "win-helpers.psm1") -DisableNameChecking
+
+function Get-GoBuilder {
+    <#
+    .SYNOPSIS
+    Wrapper for class constructor to simplify importing GoBuilder.
+
+    .DESCRIPTION
+    Create instance of GoBuilder with specified parameters.
+
+    .PARAMETER Version
+    The version with which Go will be built.
+
+    .PARAMETER Platform
+    The platform for which Go will be built.
+
+    .PARAMETER Architecture
+    The architecture with which Go will be built.
+
+    #>
+
+    param (
+        [version] $Version,
+        [string] $Architecture,
+        [string] $Platform
+    )
+
+    $Platform = $Platform.ToLower()  
+    if ($Platform -match 'win32') {
+        $builder = [WinGoBuilder]::New($Version, $Platform, $Architecture)
+    } elseif (($Platform -match 'linux') -or ($Platform -match 'darwin')) {
+        $builder = [NixGoBuilder]::New($Version, $Platform, $Architecture)
+    } else {
+        Write-Host "##vso[task.logissue type=error;] Invalid platform: $Platform"
+        exit 1
+    }
+
+    return $builder
+}
+
+### Create Go builder instance, and build artifact
+$Builder = Get-GoBuilder -Version $Version -Platform $Platform -Architecture $Architecture
+$Builder.Build()