added a new bootstrapper based on xplat powershell core and cake tool

.editorconfig

@@ -7,4 +7,12 @@ indent_size = 4
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
-insert_final_newline = true
+insert_final_newline = true
+
+[.yml]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitignore

@@ -117,3 +117,5 @@ GitVersion.CommandLine/*/
 
 releaseArtifacts
 /ILMergeTemp
+.dotnet
+.cake

.travis.yml

@@ -1,17 +1,18 @@
 language: csharp
 sudo: required
 dist: trusty
-dotnet: 2.1.105
+dotnet: 2.1.401
 mono:
   - latest
 os:
   - linux
   - osx
 before_install:
-  - git fetch --unshallow # Travis always does a shallow clone, but GitVersion needs the full history including branches and tags 
+  - git fetch --unshallow # Travis always does a shallow clone, but GitVersion needs the full history including branches and tags
+  - bash <(wget -O - https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh)
 script:
-  - ./build.sh -v Diagnostic
+  - pwsh ./run.ps1 -script build.cake -target Travis
 env:
   global:
     - DOTNET_CLI_TELEMETRY_OPTOUT: 1
-    - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+    - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true

appveyor.yml

@@ -1,6 +1,6 @@
 image: Visual Studio 2017
 install:
-  npm i -g tfx-cli
+  - npm i -g tfx-cli
 
 assembly_info:
   patch: false
@@ -9,10 +9,10 @@ configuration:
   - Debug
 
 build_script:
-  - ps: .\build.ps1
+  - pwsh: ./run.ps1 -script build.cake
 
 test: off
 skip_tags: true
 
 cache:
-  - src\packages -> **\packages.config  # preserve "packages" directory in the root of build folder but will reset it if packages.config is modified
+  - src\packages -> **\packages.config  # preserve "packages" directory in the root of build folder but will reset it if packages.config is modified

run.ps1

@@ -0,0 +1,161 @@
+##########################################################################
+# This is the Cake bootstrapper script for PowerShell.
+# This file was downloaded from https://github.com/cake-build/resources
+# Feel free to change this file to fit your needs.
+##########################################################################
+
+<#
+
+.SYNOPSIS
+This is a Powershell script to bootstrap a Cake build.
+
+.DESCRIPTION
+This Powershell script will download NuGet if missing, restore NuGet tools (including Cake)
+and execute your Cake build script with the parameters you provide.
+
+.PARAMETER Script
+The build script to execute.
+.PARAMETER Target
+The build script target to run.
+.PARAMETER Configuration
+The build configuration to use.
+.PARAMETER Verbosity
+Specifies the amount of information to be displayed.
+.PARAMETER WhatIf
+Performs a dry run of the build script.
+No tasks will be executed.
+.PARAMETER ScriptArgs
+Remaining arguments are added here.
+
+.LINK
+https://cakebuild.net
+#>
+
+[CmdletBinding()]
+Param(
+    [string]$Script = "build.cake",
+    [string]$Target = "Default",
+    [string]$Configuration = "Release",
+    [ValidateSet("Quiet", "Minimal", "Normal", "Verbose", "Diagnostic")]
+    [string]$Verbosity = "Verbose",
+    [Alias("DryRun","Noop")]
+    [switch]$WhatIf,
+    [Parameter(Position=0,Mandatory=$false,ValueFromRemainingArguments=$true)]
+    [string[]]$ScriptArgs
+)
+
+Write-Host "Preparing to run build script..."
+
+$CakeVersion = "0.30.0"
+
+$DotNetChannel = "Current";
+$DotNetInstaller = if ($IsWindows) { "dotnet-install.ps1" } else { "dotnet-install.sh" }
+$DotNetInstallerUri = "https://dot.net/v1/$DotNetInstaller";
+$DotNetVersion = (Get-Content ./src/global.json | ConvertFrom-Json).sdk.version;
+
+$NugetUrl = "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe"
+
+# SSL FIX
+[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;
+
+# Make sure tools folder exists
+$PSScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent
+$ToolPath = Join-Path $PSScriptRoot "tools"
+if (!(Test-Path $ToolPath)) {
+    Write-Verbose "Creating tools directory..."
+    New-Item -Path $ToolPath -Type directory | out-null
+}
+
+###########################################################################
+# INSTALL .NET CORE CLI
+###########################################################################
+function Remove-PathVariable([string]$VariableToRemove) {
+    $path = [Environment]::GetEnvironmentVariable("PATH", "User")
+    if ($path -ne $null) {
+        $newItems = $path.Split(';', [StringSplitOptions]::RemoveEmptyEntries) | Where-Object { "$($_)" -inotlike $VariableToRemove }
+        [Environment]::SetEnvironmentVariable("PATH", [System.String]::Join(';', $newItems), "User")
+    }
+
+    $path = [Environment]::GetEnvironmentVariable("PATH", "Process")
+    if ($path -ne $null) {
+        $newItems = $path.Split(';', [StringSplitOptions]::RemoveEmptyEntries) | Where-Object { "$($_)" -inotlike $VariableToRemove }
+        [Environment]::SetEnvironmentVariable("PATH", [System.String]::Join(';', $newItems), "Process")
+    }
+}
+
+# Get .NET Core CLI path if installed.
+$FoundDotNetCliVersion = $null;
+if (Get-Command dotnet -ErrorAction SilentlyContinue) {
+    $FoundDotNetCliVersion = dotnet --version;
+}
+
+if($FoundDotNetCliVersion -ne $DotNetVersion) {
+    $InstallPath = Join-Path $PSScriptRoot ".dotnet"
+
+    if (!(Test-Path $InstallPath)) {
+        New-Item -ItemType Directory $InstallPath | Out-Null;
+    }
+
+    [string] $InstalledDotNetVersion = Get-ChildItem -Path ./.dotnet -File `
+                                        | Where-Object { $_.Name -eq 'dotnet' -or $_.Name -eq 'dotnet.exe' } `
+                                        | ForEach-Object { &$_.FullName --version }
+
+    if ($InstalledDotNetVersion -ne $DotNetVersion)
+    {
+        (New-Object System.Net.WebClient).DownloadFile($DotNetInstallerUri, "$InstallPath/$DotNetInstaller");
+        $Cmd = "$InstallPath/$DotNetInstaller -Channel $DotNetChannel -Version $DotNetVersion -InstallDir $InstallPath -NoPath"
+        if (!$IsWindows) { $Cmd = "bash $Cmd" }
+        Invoke-Expression "& $Cmd"
+
+        Remove-PathVariable "$InstallPath"
+        $env:PATH = "$InstallPath;$env:PATH"
+    }
+}
+
+# Temporarily skip verification of addins.
+$env:CAKE_SETTINGS_SKIPVERIFICATION='true'
+$env:DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
+$env:DOTNET_CLI_TELEMETRY_OPTOUT=1
+
+###########################################################################
+# INSTALL NUGET
+###########################################################################
+
+# Make sure nuget.exe exists.
+$NugetPath = Join-Path $ToolPath "nuget.exe"
+if (!(Test-Path $NugetPath)) {
+    Write-Host "Downloading NuGet.exe..."
+    (New-Object System.Net.WebClient).DownloadFile($NugetUrl, $NugetPath);
+}
+
+###########################################################################
+# INSTALL CAKE
+###########################################################################
+
+# Make sure Cake has been installed.
+Write-Host "Installing Cake..."
+$CakeInstallPath = Join-Path $PSScriptRoot ".cake"
+if (!(Test-Path $CakeInstallPath)) {
+    New-Item -ItemType Directory $CakeInstallPath | Out-Null;
+    Invoke-Expression "& dotnet tool install Cake.Tool --version $CakeVersion --tool-path $CakeInstallPath"
+}
+
+# ###########################################################################
+# # RUN BUILD SCRIPT
+# ###########################################################################
+
+# Build the argument list.
+$Arguments = @{
+    target=$Target;
+    configuration=$Configuration;
+    verbosity=$Verbosity;
+    dryrun=$WhatIf;
+}.GetEnumerator() | ForEach-Object { "--{0}=`"{1}`"" -f $_.key, $_.value };
+
+# Start Cake
+Write-Host "Running build script..."
+
+$Cmd = "$CakeInstallPath/dotnet-cake $Script $Arguments"
+Invoke-Expression "& $Cmd"
+
+exit $LASTEXITCODE