nixpkgs/pkgs/development/compilers/rust/rustfmt.nix


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{ stdenv, rustPlatform, Security }:

rustPlatform.buildRustPackage rec {
  pname = "rustfmt";
  inherit (rustPlatform.rust.rustc) version src;

  # the rust source tarball already has all the dependencies vendored, no need to fetch them again
  cargoVendorDir = "vendor";
  buildAndTestSubdir = "src/tools/rustfmt";

  # changes hash of vendor directory otherwise
  dontUpdateAutotoolsGnuConfigScripts = true;

  buildInputs = stdenv.lib.optional stdenv.isDarwin Security;

  # As of 1.0.0 and rustc 1.30 rustfmt requires a nightly compiler
  RUSTC_BOOTSTRAP = 1;

  meta = with stdenv.lib; {
    description = "A tool for formatting Rust code according to style guidelines";
    homepage = "https://github.com/rust-lang-nursery/rustfmt";
    license = with licenses; [ mit asl20 ];
    maintainers = with maintainers; [ globin basvandijk ];
    platforms = platforms.all;
  };
}