Update build script

Author: Jericho

build.cake

@@ -5,10 +5,10 @@
 #tool dotnet:?package=BenchmarkDotNet.Tool&version=0.12.0
 
 // Install tools.
-#tool nuget:?package=GitVersion.CommandLine&version=5.3.7
+#tool nuget:?package=GitVersion.CommandLine&version=5.5.1
 #tool nuget:?package=GitReleaseManager&version=0.11.0
 #tool nuget:?package=OpenCover&version=4.7.922
-#tool nuget:?package=ReportGenerator&version=4.6.1
+#tool nuget:?package=ReportGenerator&version=4.8.1
 #tool nuget:?package=coveralls.io&version=1.4.2
 #tool nuget:?package=xunit.runner.console&version=2.4.1
 
@@ -359,14 +359,6 @@ Task("Publish-GitHub-Release")
 	.WithCriteria(() => isTagged)
 	.Does(() =>
 {
-	var settings = new GitReleaseManagerCreateSettings
-	{
-		Name              = milestone,
-		Milestone         = milestone,
-		Prerelease        = false,
-		TargetCommitish   = "master"
-	};
-
 	if (!string.IsNullOrEmpty(gitHubToken))
 	{
 		GitReleaseManagerClose(gitHubToken, gitHubRepoOwner, gitHubRepo, milestone);

build.ps1

@@ -37,7 +37,7 @@ https://cakebuild.net
 
 [CmdletBinding()]
 Param(
-    [string]$Script = "build.cake",
+    [string]$Script,
     [string]$Target,
     [string]$Configuration,
     [ValidateSet("Quiet", "Minimal", "Normal", "Verbose", "Diagnostic")]
@@ -50,6 +50,11 @@ Param(
     [string[]]$ScriptArgs
 )
 
+# This is an automatic variable in PowerShell Core, but not in Windows PowerShell 5.x
+if (-not (Test-Path variable:global:IsCoreCLR)) {
+    $IsCoreCLR = $false
+}
+
 # Attempt to set highest encryption available for SecurityProtocol.
 # PowerShell will not set this by default (until maybe .NET 4.6.x). This
 # will typically produce a message for PowerShell v2 (just an info
@@ -107,6 +112,9 @@ if(!$PSScriptRoot){
     $PSScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent
 }
 
+if(!$Script){
+    $Script = Join-Path $PSScriptRoot "build.cake"
+}
 $TOOLS_DIR = Join-Path $PSScriptRoot "tools"
 $ADDINS_DIR = Join-Path $TOOLS_DIR "Addins"
 $MODULES_DIR = Join-Path $TOOLS_DIR "Modules"
@@ -118,6 +126,10 @@ $PACKAGES_CONFIG_MD5 = Join-Path $TOOLS_DIR "packages.config.md5sum"
 $ADDINS_PACKAGES_CONFIG = Join-Path $ADDINS_DIR "packages.config"
 $MODULES_PACKAGES_CONFIG = Join-Path $MODULES_DIR "packages.config"
 
+$env:CAKE_PATHS_TOOLS = $TOOLS_DIR
+$env:CAKE_PATHS_ADDINS = $ADDINS_DIR
+$env:CAKE_PATHS_MODULES = $MODULES_DIR
+
 # Make sure tools folder exists
 if ((Test-Path $PSScriptRoot) -and !(Test-Path $TOOLS_DIR)) {
     Write-Verbose -Message "Creating tools directory..."
@@ -157,6 +169,12 @@ if (!(Test-Path $NUGET_EXE)) {
     }
 }
 
+# These are automatic variables in PowerShell Core, but not in Windows PowerShell 5.x
+if (-not (Test-Path variable:global:ismacos)) {
+    $IsLinux = $false
+    $IsMacOS = $false
+}
+
 # Save nuget.exe path to environment to be available to child processed
 $env:NUGET_EXE = $NUGET_EXE
 $env:NUGET_EXE_INVOCATION = if ($IsLinux -or $IsMacOS) {
@@ -180,7 +198,7 @@ if(-Not $SkipToolPackageRestore.IsPresent) {
     }
 
     Write-Verbose -Message "Restoring tools from NuGet..."
-    
+
     $NuGetOutput = Invoke-Expression "& $env:NUGET_EXE_INVOCATION install -ExcludeVersion -OutputDirectory `"$TOOLS_DIR`""
 
     if ($LASTEXITCODE -ne 0) {
@@ -243,11 +261,11 @@ $CAKE_EXE_INVOCATION = if ($IsLinux -or $IsMacOS) {
  # Build an array (not a string) of Cake arguments to be joined later
 $cakeArguments = @()
 if ($Script) { $cakeArguments += "`"$Script`"" }
-if ($Target) { $cakeArguments += "-target=`"$Target`"" }
-if ($Configuration) { $cakeArguments += "-configuration=$Configuration" }
-if ($Verbosity) { $cakeArguments += "-verbosity=$Verbosity" }
-if ($ShowDescription) { $cakeArguments += "-showdescription" }
-if ($DryRun) { $cakeArguments += "-dryrun" }
+if ($Target) { $cakeArguments += "--target=`"$Target`"" }
+if ($Configuration) { $cakeArguments += "--configuration=$Configuration" }
+if ($Verbosity) { $cakeArguments += "--verbosity=$Verbosity" }
+if ($ShowDescription) { $cakeArguments += "--showdescription" }
+if ($DryRun) { $cakeArguments += "--dryrun" }
 $cakeArguments += $ScriptArgs
 
 # Start Cake