pkgs/development/tools/build-managers/cargo/bootstrap.nix


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{ stdenv, fetchurl, makeWrapper, cacert, zlib, rustc }:

let
  platform =
    if stdenv.system == "i686-linux"
    then "i686-unknown-linux-gnu"
    else if stdenv.system == "x86_64-linux"
    then "x86_64-unknown-linux-gnu"
    else if stdenv.system == "i686-darwin"
    then "i686-apple-darwin"
    else if stdenv.system == "x86_64-darwin"
    then "x86_64-apple-darwin"
    else abort "missing boostrap url for platform ${stdenv.system}";

  # fetch hashes by running `print-hashes.sh 1.9.0`
  bootstrapHash =
    if stdenv.system == "i686-linux"
    then "dd4d9bf1b9393867eb18d00431e8fb733894984f2c7b5154bc1b64d045077b45"
    else if stdenv.system == "x86_64-linux"
    then "288ff13efa2577e81c77fc2cb6e2b49b1ed0ceab51b4fa12f7efb87039ac49b7"
    else if stdenv.system == "i686-darwin"
    then "4d4d4b256d6bd6ae2527cf61007b2553de200f0a1910b7ad41e4f51d2b21e536"
    else if stdenv.system == "x86_64-darwin"
    then "d59b5509e69c1cace20a57072e3b3ecefdbfd8c7e95657b0ff2ac10aa1dfebe6"
    else throw "missing boostrap hash for platform ${stdenv.system}";
in
stdenv.mkDerivation rec {
  name = "cargo-bootstrap-${version}";
  version = "1.9.0";

  src = fetchurl {
     url = "https://static.rust-lang.org/dist/rust-${version}-${platform}.tar.gz";
     sha256 = bootstrapHash;
  };

  passthru.rustc = rustc;
  buildInputs = [makeWrapper zlib];
  phases = ["unpackPhase" "installPhase"];

  installPhase = ''
    cp -r cargo "$out"

    patchelf \
      --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
      "$out/bin/cargo"

    wrapProgram "$out/bin/cargo" \
      --suffix PATH : "${rustc}/bin"
  '';
}