anchor.diff:        -p:PackageRuntime="${runtimeId}" \
         -p:BUILDCONFIG="Debug" \
         -p:RunnerVersion="${version}" \
  -      -p:GitInfoCommitHash="${src.rev}" \
  +      -p:GitInfoCommitHash="${fakeSha1}" \
         src/dir.proj
   
       runHook postCheck
  
positive.code:       -p:PackageRuntime="${runtimeId}" \
        -p:BUILDCONFIG="Release" \
        -p:RunnerVersion="${version}" \
        -p:GitInfoCommitHash="${src.rev}" \
        src/dir.proj
  
      runHook postBuild
  
negative.code: 
    dotnetSdk = dotnetCorePackages.sdk_3_1;
    runtimeId = "linux-x64";
    fakeSha1 = "0000000000000000000000000000000000000000";
  in
  stdenv.mkDerivation rec {
    pname = "github-runner";
  