Adding basic creation of Chocolatey Package

OpenLiveWriter.Install.nuspec

@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
+  <metadata>
+    <id>openlivewriter</id>
+    <version>0.5.0.0</version>
+    <title>OpenLiveWriter (Install)</title>
+    <authors>See list of authors at http://openlivewriter.org/</authors>
+    <owners>Darwin Sanoy, OpenLiveWriter</owners>
+    <licenseUrl>https://github.com/OpenLiveWriter/OpenLiveWriter/blob/master/license.txt</licenseUrl>
+    <projectUrl>http://openlivewriter.org/</projectUrl>
+    <iconUrl>https://cdn.rawgit.com/csi-windowschocolatey/openlivewriter/master/app.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>Open Live Writer is an open source application enabling users to author, edit, and publish blog posts.
+      It is based on a fork of the well-loved but not actively developed Windows Live Writer code.</description>
+    <summary>Open Live Writer makes it easy to write, preview, and post to your blog.</summary>
+    <copyright>.NET Foundation</copyright>
+    <tags>Blog WindowsLiveWriter OpenLiveWriter</tags>
+    <releaseNotes>https://github.com/OpenLiveWriter/OpenLiveWriter/releases</releaseNotes>
+    <!--<projectSourceUrl>https://github.com/OpenLiveWriter</projectSourceUrl>-->
+  </metadata>
+  <files>
+    <file src="OpenLiveWriterSetup.exe" target="tools" />
+    <file src="..\choco\chocolateyInstall.ps1" target="tools"/>
+    <file src="..\choco\chocolateyUninstall.ps1" target="tools"/>
+  </files>  
+</package>

choco/chocolateyInstall.ps1

@@ -0,0 +1,9 @@
+$packageName= 'openlivewriter'
+$fileType = 'EXE'
+$silentArgs = '--silent'
+$scriptPath =  $(Split-Path $MyInvocation.MyCommand.Path)
+$fileFullPath = Join-Path $scriptPath 'OpenLiveWriterSetup.exe'
+
+Install-ChocolateyInstallPackage $packageName $fileType $silentArgs $fileFullPath
+
+Write-Output "The install log is at `"$env:localappdata\SquirrelTemp\SquirrelSetup.log`""

choco/chocolateyUninstall.ps1

@@ -0,0 +1,56 @@
+$ErrorActionPreference = 'Stop';
+
+$packageName = 'openlivewriter'
+$softwareName = 'open live writer*'
+$installerType = 'EXE'
+$file = "$env:localappdata\OpenLiveWriter\Update.exe"
+
+$silentArgs = '--uninstall -s'
+
+if ($installerType -ne 'MSI') {
+  $validExitCodes = @(0)
+}
+
+$uninstalled = $false
+$local_key     = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*'
+$machine_key   = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*'
+$machine_key6432 = 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
+
+$key = Get-ItemProperty -Path @($machine_key6432,$machine_key, $local_key) `
+                        -ErrorAction SilentlyContinue `
+         | ? { $_.DisplayName -like "$softwareName" }
+
+if (!(Test-Path "$env:localappdata\openlivewriter\openlivewriter.exe"))
+{
+   If (!(Test-Path $file))
+   {
+      throw "Could not find $file - because this software is always installed to a user profile folder, it must be uninstalled in the context of the user who installed it."
+   }
+   else
+   {
+    Try {
+      Uninstall-ChocolateyPackage -PackageName $packageName `
+                                  -FileType $installerType `
+                                  -SilentArgs "$silentArgs" `
+                                  -ValidExitCodes $validExitCodes `
+                                  -File "$file"
+
+      #Remove leftovers so new install will succeed
+      If (test-path "$env:localappdata\openlivewriter\.dead")
+      {
+        remove-item "$env:localappdata\openlivewriter" -Recurse -Force -ErrorAction 'SilentlyContinue'
+      }
+      If (test-path "C:\ProgramData\SquirrelMachineInstalls\OpenLiveWriter.exe")
+      {
+        remove-item "C:\ProgramData\SquirrelMachineInstalls\OpenLiveWriter.exe" -Force -ErrorAction 'SilentlyContinue'
+      }
+      Write-Output "The install log is at `"$env:localappdata\SquirrelTemp\SquirrelSetup.log`""
+    }
+    Catch
+    {
+      throw $_.Exception
+    }
+   }
+} else {
+  Write-Warning "$packageName has already been uninstalled by other means or it is installed to a user's profile who is not the current user ($env:username)."
+}

src/managed/PostBuild.CreateInstaller/createinstaller.cmd

@@ -21,5 +21,9 @@ ECHO Created Writer NuGet package.
 .\src\managed\packages\squirrel.windows.1.2.1\tools\Squirrel.exe -i .\src\managed\OpenLiveWriter.PostEditor\Images\Writer.ico %OLW_SIGN% --no-msi --releasify .\OpenLiveWriter.%dottedVersion%.nupkg 
 ECHO Created Open Live Writer setup file.
 
+%LocalAppData%\Nuget\Nuget.exe pack .\OpenLiveWriter.Install.nuspec -version %dottedVersion% -basepath Releases
+ECHO Created Writer Chocolatey Package
+
 :end
+
 POPD