[
  {
    goPackagePath = "golang.org/x/tools/go/vcs";
    fetch = {
      type = "git";
      url = "https://go.googlesource.com/tools";
      rev = "9ae4729fba20b3533d829a9c6ba8195b068f2abc";
      sha256 = "1j51aaskfqc953p5s9naqimr04hzfijm4yczdsiway1xnnvvpfr1";
    };
  }
  {
    goPackagePath = "code.google.com/p/go.tools/go/vcs";
    fetch = {
      type = "git";
      url = "https://go.googlesource.com/tools";
      rev = "9ae4729fba20b3533d829a9c6ba8195b068f2abc";
      sha256 = "1j51aaskfqc953p5s9naqimr04hzfijm4yczdsiway1xnnvvpfr1";
    };
  }
]