Inital commit.

images/win/scripts/Installers/Validate-Ruby.ps1

@@ -0,0 +1,53 @@
+################################################################################
+##  File:  Validate-Ruby.ps1
+##  Desc:  Verify that Ruby is on the path and output version information.
+################################################################################
+
+# Function that gets the version of Ruby at the specified path
+function Get-RubyVersion
+{
+    Param
+    (
+        [String]$rubyRootPath
+    )
+
+    # Prepend to the path like: C:\hostedtoolcache\windows\Ruby\2.5.0\x64\bin
+    $env:Path = "$rubyRootPath;" + $env:Path
+
+    # Extract the version from Ruby output like: ruby 2.5.1p57 (2018-03-29 revision 63029) [x64-mingw32]
+    if( $(ruby --version) -match 'ruby (?<version>.*) \(.*' )
+    {
+        $rubyVersion = $Matches.version
+        return $rubyVersion
+    }
+
+    Write-Host "Unable to determine Ruby version at " + $rubyRootPath
+    exit 1
+}
+
+# Verify that ruby is on the path
+if(Get-Command -Name 'ruby')
+{
+    Write-Host "$(ruby --version) is on the path."
+}
+else
+{
+    Write-Host "Ruby is not on the path."
+    exit 1
+}
+
+# Default Ruby Version on Path
+$rubyExeOnPath = (Get-Command -Name 'ruby').Path
+$rubyBinOnPath = Split-Path -Path $rubyExeOnPath
+$rubyVersionOnPath = Get-RubyVersion -rubyRootPath $rubyBinOnPath
+
+# Add details of available versions in Markdown
+$SoftwareName = "Ruby (x64)"
+$Description = @"
+#### $rubyVersionOnPath
+_Environment:_
+* Location: $rubyBinOnPath
+* PATH: contains the location of ruby.exe version $rubyVersionOnPath
+"@
+
+Add-SoftwareDetailsToMarkdown -SoftwareName $SoftwareName -DescriptionMarkdown $Description