anchor.diff:              proj
               |> MsBuild.build (fun opts ->
                   { opts with
  -                    Targets = ["Build"]
  +                    RestorePackagesFlag = true
  +                    Targets = ["Rebuild"]
                       Verbosity = Some MSBuildVerbosity.Minimal
                       Properties =
                         [ "VisualStudioVersion", "15.0"
                           "Verbosity", "Minimal"
                           "OutputPath", "tests/bin"
  -                        "Configuration", "Release" ]}
  +                        "Configuration", "Debug" ]}
               )
           )
   
  
positive.code:     solutionFile
      |> MsBuild.build (fun opts ->
          { opts with
              Targets = ["Rebuild"]
              Verbosity = Some MSBuildVerbosity.Minimal
              Properties =
  
negative.code: open Fake.Core.TargetOperators
  
  "Clean"
    ==> "InstallDotnetcore"
    ==> "AssemblyInfo"
    ==> "CopyFSharpCore"
    ==> "SetupLibForTests"
    ==> "Build"
    ==> "BuildTests"
  
  "Build"
    ==> "All"
  
  
  