nixpkgs/pkgs/development/compilers/rust/rustfmt.nix
2023-10-21 22:56:17 +02:00

44 lines
1.8 KiB
Nix

{ lib, stdenv, rustPlatform, rustc, Security, asNightly ? false }:
rustPlatform.buildRustPackage rec {
pname = "rustfmt" + lib.optionalString asNightly "-nightly";
inherit (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 = [
rustc.llvm
] ++ lib.optional stdenv.isDarwin Security;
# rustfmt uses the rustc_driver and std private libraries, and Rust's build process forces them to have
# an install name of `@rpath/...` [0] [1] instead of the standard on macOS, which is an absolute path
# to itself.
#
# [0]: https://github.com/rust-lang/rust/blob/f77f4d55bdf9d8955d3292f709bd9830c2fdeca5/src/bootstrap/builder.rs#L1543
# [1]: https://github.com/rust-lang/rust/blob/f77f4d55bdf9d8955d3292f709bd9830c2fdeca5/compiler/rustc_codegen_ssa/src/back/linker.rs#L323-L331
preFixup = lib.optionalString stdenv.isDarwin ''
install_name_tool -add_rpath "${rustc}/lib" "$out/bin/rustfmt"
install_name_tool -add_rpath "${rustc}/lib" "$out/bin/git-rustfmt"
'';
# As of 1.0.0 and rustc 1.30 rustfmt requires a nightly compiler
RUSTC_BOOTSTRAP = 1;
# As of rustc 1.45.0, these env vars are required to build rustfmt (due to
# https://github.com/rust-lang/rust/pull/72001)
CFG_RELEASE = rustc.version;
CFG_RELEASE_CHANNEL = if asNightly then "nightly" else "stable";
meta = with 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 ];
mainProgram = "rustfmt";
maintainers = with maintainers; [ globin basvandijk ];
};
}