$DotNetInstallerUri = 'https://dot.net/v1/dotnet-install.ps1';

$DotNetUnixInstallerUri = 'https://dot.net/v1/dotnet-install.sh'

$DotNetChannel = 'LTS'

$PSScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent

[string] $CakeVersion = ''

[string] $DotNetVersion= ''

foreach($line in Get-Content (Join-Path $PSScriptRoot 'build.config'))

{

if ($line -like 'CAKE_VERSION=*') {

$CakeVersion = $line.SubString(13)

}

elseif ($line -like 'DOTNET_VERSION=*') {

$DotNetVersion =$line.SubString(15)

}

}

if ([string]::IsNullOrEmpty($CakeVersion) -or [string]::IsNullOrEmpty($DotNetVersion)) {

'Failed to parse Cake / .NET Core SDK Version'

exit 1

}

$ToolPath = Join-Path $PSScriptRoot "tools"

if (!(Test-Path $ToolPath)) {

Write-Verbose "Creating tools directory..."

New-Item -Path $ToolPath -Type Directory -Force | out-null

}

if ($PSVersionTable.PSEdition -ne 'Core') {

# 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

# message though)

try {

# Set TLS 1.2 (3072), then TLS 1.1 (768), then TLS 1.0 (192), finally SSL 3.0 (48)

# Use integers because the enumeration values for TLS 1.2 and TLS 1.1 won't

# exist in .NET 4.0, even though they are addressable if .NET 4.5+ is

# installed (.NET 4.5 is an in-place upgrade).

[System.Net.ServicePointManager]::SecurityProtocol = 3072 -bor 768 -bor 192 -bor 48

} catch {

Write-Output 'Unable to set PowerShell to use TLS 1.2 and TLS 1.1 due to old .NET Framework installed. If you see underlying connection closed or trust errors, you may need to upgrade to .NET Framework 4.5+ and PowerShell v3'

}

}

Function Remove-PathVariable([string]$VariableToRemove)

{

$SplitChar = ';'

if ($IsMacOS -or $IsLinux) {

$SplitChar = ':'

}

$path = [Environment]::GetEnvironmentVariable("PATH", "User")

if ($path -ne $null)

{

$newItems = $path.Split($SplitChar, [StringSplitOptions]::RemoveEmptyEntries) | Where-Object { "$($_)" -inotlike $VariableToRemove }

[Environment]::SetEnvironmentVariable("PATH", [System.String]::Join($SplitChar, $newItems), "User")

}

$path = [Environment]::GetEnvironmentVariable("PATH", "Process")

if ($path -ne $null)

{

$newItems = $path.Split($SplitChar, [StringSplitOptions]::RemoveEmptyEntries) | Where-Object { "$($_)" -inotlike $VariableToRemove }

[Environment]::SetEnvironmentVariable("PATH", [System.String]::Join($SplitChar, $newItems), "Process")

}

}

$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 -Path $InstallPath -ItemType Directory -Force | Out-Null;

}

if ($IsMacOS -or $IsLinux) {

$ScriptPath = Join-Path $InstallPath 'dotnet-install.sh'

(New-Object System.Net.WebClient).DownloadFile($DotNetUnixInstallerUri, $ScriptPath);

& bash $ScriptPath --version "$DotNetVersion" --install-dir "$InstallPath" --channel "$DotNetChannel" --no-path

Remove-PathVariable "$InstallPath"

$env:PATH = "$($InstallPath):$env:PATH"

}

else {

$ScriptPath = Join-Path $InstallPath 'dotnet-install.ps1'

(New-Object System.Net.WebClient).DownloadFile($DotNetInstallerUri, $ScriptPath);

& $ScriptPath -Channel $DotNetChannel -Version $DotNetVersion -InstallDir $InstallPath;

Remove-PathVariable "$InstallPath"

$env:PATH = "$InstallPath;$env:PATH"

}

$env:DOTNET_ROOT=$InstallPath

}

[string] $CakeExePath = ''

[string] $CakeInstalledVersion = Get-Command dotnet-cake -ErrorAction SilentlyContinue | % {&$_.Source --version}

if ($CakeInstalledVersion -eq $CakeVersion) {

# Cake found locally

$CakeExePath = (Get-Command dotnet-cake).Source

}

else {

$CakePath = [System.IO.Path]::Combine($ToolPath,'.store', 'cake.tool', $CakeVersion) # Old PowerShell versions Join-Path only supports one child path

$CakeExePath = (Get-ChildItem -Path $ToolPath -Filter "dotnet-cake*" -File| ForEach-Object FullName | Select-Object -First 1)

if ((!(Test-Path -Path $CakePath -PathType Container)) -or (!(Test-Path $CakeExePath -PathType Leaf))) {

if ((![string]::IsNullOrEmpty($CakeExePath)) -and (Test-Path $CakeExePath -PathType Leaf))

{

& dotnet tool uninstall --tool-path $ToolPath Cake.Tool

}

& dotnet tool install --tool-path $ToolPath --version $CakeVersion Cake.Tool

if ($LASTEXITCODE -ne 0)

{

'Failed to install cake'

exit 1

}

$CakeExePath = (Get-ChildItem -Path $ToolPath -Filter "dotnet-cake*" -File| ForEach-Object FullName | Select-Object -First 1)

}

}

& "$CakeExePath" ./build.cake --bootstrap

if ($LASTEXITCODE -eq 0)

{

& "$CakeExePath" ./build.cake $args

}

exit $LASTEXITCODE