core/pkgs/build-support/rust/hooks/default.nix

{ buildPackages, callPackage, cargo, cargo-nextest, clang, lib, makeSetupHook
, maturin, rust, rustc, stdenv

# This confusingly-named parameter indicates the *subdirectory of
# `target/` from which to copy the build artifacts.  It is derived
# from a stdenv platform (or a JSON file).
, target ? stdenv.hostPlatform.rust.cargoShortTarget }:

{
  cargoBuildHook = callPackage ({ }:
    makeSetupHook {
      name = "cargo-build-hook.sh";
      propagatedBuildInputs = [ cargo ];
      substitutions = { inherit (rust.envVars) rustHostPlatformSpec setEnv; };
    } ./cargo-build-hook.sh) { };

  cargoCheckHook = callPackage ({ }:
    makeSetupHook {
      name = "cargo-check-hook.sh";
      propagatedBuildInputs = [ cargo ];
      substitutions = { inherit (rust.envVars) rustHostPlatformSpec; };
    } ./cargo-check-hook.sh) { };

  cargoInstallHook = callPackage ({ }:
    makeSetupHook {
      name = "cargo-install-hook.sh";
      propagatedBuildInputs = [ ];
      substitutions = { targetSubdirectory = target; };
    } ./cargo-install-hook.sh) { };

  cargoNextestHook = callPackage ({ }:
    makeSetupHook {
      name = "cargo-nextest-hook.sh";
      propagatedBuildInputs = [ cargo cargo-nextest ];
      substitutions = { inherit (rust.envVars) rustHostPlatformSpec; };
    } ./cargo-nextest-hook.sh) { };

  cargoSetupHook = callPackage ({ }:
    makeSetupHook {
      name = "cargo-setup-hook.sh";
      propagatedBuildInputs = [ ];
      substitutions = {
        defaultConfig = ../fetchcargo-default-config.toml;

        # Specify the stdenv's `diff` by abspath to ensure that the user's build
        # inputs do not cause us to find the wrong `diff`.
        diff = "${lib.getBin buildPackages.diffutils}/bin/diff";

        cargoConfig = ''
          [target."${stdenv.buildPlatform.rust.rustcTarget}"]
          "linker" = "${rust.envVars.linkerForBuild}"
          ${lib.optionalString
          (stdenv.buildPlatform.config != stdenv.hostPlatform.config) ''
            [target."${stdenv.hostPlatform.rust.rustcTarget}"]
            "linker" = "${rust.envVars.linkerForHost}"
          ''}
          "rustflags" = [ "-C", "target-feature=${
            if stdenv.hostPlatform.isStatic then "+" else "-"
          }crt-static" ]
        '';
      };
    } ./cargo-setup-hook.sh) { };

  maturinBuildHook = callPackage ({ pkgsHostTarget }:
    makeSetupHook {
      name = "maturin-build-hook.sh";
      propagatedBuildInputs =
        [ pkgsHostTarget.maturin pkgsHostTarget.cargo pkgsHostTarget.rustc ];
      substitutions = { inherit (rust.envVars) rustTargetPlatformSpec setEnv; };
    } ./maturin-build-hook.sh) { };

  bindgenHook = callPackage ({ }:
    makeSetupHook {
      name = "rust-bindgen-hook";
      substitutions = {
        libclang = clang.cc.lib;
        inherit clang;
      };
    } ./rust-bindgen-hook.sh) { };
}