Add ToolsRoot so Chocolatey_Bin_Root is \tools

ToolsRoot/ToolsRoot.nuspec

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
+    <metadata>
+        <id>toolsroot</id>
+        <version>0.1.0</version>
+        <title>Tools Root</title>
+        <authors>Ethan J. Brown</authors>
+        <owners>Ethan J. Brown</owners>
+        <!--<iconUrl></iconUrl>-->
+        <requireLicenseAcceptance>false</requireLicenseAcceptance>
+        <description>Set's the chocolatey_bin_root environment variable to a default value of '\tools' if not already set. This allows packages such as Ruby, Python etc. to install in \tools instead of the system root.
+        </description>
+        <summary>Sets the chocolatey_bin_root default value to \tools.</summary>
+        <tags>path</tags>
+        <!--<dependencies>
+      <dependency id="" version="" />
+    </dependencies>-->
+  </metadata>
+</package>

ToolsRoot/tools/chocolateyInstall.ps1

@@ -0,0 +1,22 @@
+$packageName = 'ToolsRoot'
+
+try
+{
+  $variableName = 'Chocolatey_Bin_Root'
+  if (!(Get-Item Env:$variableName -ErrorAction SilentlyContinue))
+  {
+    $path = '\tools'
+    [Environment]::SetEnvironmentVariable($variableName, $path, 'User')
+    Set-Item Env:$variableName $path
+
+    $binRoot = Join-Path $Env:SystemDrive $path
+    Write-Host "Configured $variableName as $binRoot"
+  }
+
+  Write-ChocolateySuccess $package
+}
+catch
+{
+  Write-ChocolateyFailure $package "$($_.Exception.Message)"
+  throw
+}

ToolsRoot/tools/chocolateyUninstall.ps1

@@ -0,0 +1,23 @@
+$package = 'ToolsRoot'
+
+try
+{
+  $variableName = 'Chocolatey_Bin_Root'
+  $binRoot = Get-Item Env:$variableName -ErrorAction SilentlyContinue |
+    Select -ExpandProperty Value -First 1
+
+  if ($binRoot)
+  {
+    [Environment]::SetEnvironmentVariable($variableName, '', 'User')
+    Set-Item Env:$variableName $null
+
+    Write-Host "Removed $variableName [was $binRoot]"
+  }
+
+  Write-ChocolateySuccess $package
+}
+catch
+{
+  Write-ChocolateyFailure $package "$($_.Exception.Message)"
+  throw
+}