anchor.diff:  
       # Completions
       installShellCompletion --cmd buf \
  -      --bash <($GOPATH/bin/buf bash-completion) \
  -      --fish <($GOPATH/bin/buf fish-completion) \
  -      --zsh <($GOPATH/bin/buf zsh-completion)
  +      --bash <($GOPATH/bin/buf completion bash) \
  +      --fish <($GOPATH/bin/buf completion fish) \
  +      --zsh <($GOPATH/bin/buf completion zsh)
   
       # Man Pages
       mkdir man && $GOPATH/bin/buf manpages man
  
positive.code: 
  buildGoModule rec {
    pname = "buf";
    version = "1.0.0-rc12";
  
    src = fetchFromGitHub {
      owner = "bufbuild";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-UqyWQdlCDTSjW348f87W7g2kwB5nzIOviSE5/1T1soY=";
    };
    vendorSha256 = "sha256-qBgGZTok3G0Pgku76uiV9bZperhiSNoWSrzxrHe4QXw=";
  
    patches = [
      # Skip a test that requires networking to be available to work.
  
negative.code:     ./skip_test_requiring_dotgit.patch
    ];
  
    nativeBuildInputs = [ installShellFiles ];
  
    ldflags = [ "-s" "-w" ];
  
    checkInputs = [
      git # Required for TestGitCloner
      protobuf # Required for buftesting.GetProtocFilePaths
    ];
  
    preCheck = ''
      # The tests need access to some of the built utilities
  