anchor.diff:  
       let build = task "Build" [generateVersionInfo; clean.IfNeeded] {
           DotNet.build
  -          (fun p -> { p with Configuration = fakeConfiguration })
  +          (fun p -> { p with Configuration = configuration })
             solutionFile
       }
   
       let runTests = task "Test" [build] {
  -        let baseTestDir = artifactsDir </> testProjectName </> configuration
  +        let baseTestDir = artifactsDir </> testProjectName </> (string configuration)
           [
               baseTestDir </> "net461" </> (testProjectName + ".exe")
               baseTestDir </> "netcoreapp2.0" </> (testProjectName + ".dll")
  
positive.code: 
      let zip = task "Zip" [build] {
          let comment = sprintf "%s v%s" projectName release.NugetVersion
          from projectBinDir
              ++ "**/*.dll"
              ++ "**/*.xml"
              -- "**/FSharp.Core.*"
  
negative.code: 
      let nuget = task "NuGet" [build] {
          DotNet.pack
              (fun p -> { p with Configuration = configuration })
              projectFile
          let nupkgFile =
              nupkgDir
  