Append variable suffix to package version

Author: atifaziz

Elmah.SqlServer.nuspec

@@ -2,7 +2,7 @@
 <package xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <metadata xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <id>elmah.sqlserver</id>
-    <version>2.0.0-alpha001</version>
+    <version>2.0.0$VersionSuffix$</version>
     <title>Microsoft SQL Server Error Log for ELMAH</title>
     <authors>Atif Aziz</authors>
     <owners>Atif Aziz, James Driscoll</owners>

pack.cmd

@@ -9,7 +9,9 @@ setlocal
 for %%i in (NuGet.exe) do set nuget=%%~dpnx$PATH:i
 if "%nuget%"=="" goto :nonuget
 if not exist dist md dist || exit /b 1
-call build && for %%i in (*.nuspec) do (NuGet pack %%i -Symbols -OutputDirectory dist || exit /b 1)
+set VERSION_SUFFIX=
+if not "%~1"=="" set VERSION_SUFFIX=-Properties "VersionSuffix=-%~1"
+call build && for %%i in (*.nuspec) do (NuGet pack %%i %VERSION_SUFFIX% -Symbols -OutputDirectory dist || exit /b 1)
 goto :EOF
 
 :nonuget