1{ lib, stdenv, rustPlatform, rustc, Security, asNightly ? false }:
2
3rustPlatform.buildRustPackage rec {
4 pname = "rustfmt" + lib.optionalString asNightly "-nightly";
5 inherit (rustc) version src;
6
7 # the rust source tarball already has all the dependencies vendored, no need to fetch them again
8 cargoVendorDir = "vendor";
9 buildAndTestSubdir = "src/tools/rustfmt";
10
11 # changes hash of vendor directory otherwise
12 dontUpdateAutotoolsGnuConfigScripts = true;
13
14 buildInputs = [
15 rustc.llvm
16 ] ++ lib.optional stdenv.isDarwin Security;
17
18 # rustfmt uses the rustc_driver and std private libraries, and Rust's build process forces them to have
19 # an install name of `@rpath/...` [0] [1] instead of the standard on macOS, which is an absolute path
20 # to itself.
21 #
22 # [0]: https://github.com/rust-lang/rust/blob/f77f4d55bdf9d8955d3292f709bd9830c2fdeca5/src/bootstrap/builder.rs#L1543
23 # [1]: https://github.com/rust-lang/rust/blob/f77f4d55bdf9d8955d3292f709bd9830c2fdeca5/compiler/rustc_codegen_ssa/src/back/linker.rs#L323-L331
24 preFixup = lib.optionalString stdenv.isDarwin ''
25 install_name_tool -add_rpath "${rustc}/lib" "$out/bin/rustfmt"
26 install_name_tool -add_rpath "${rustc}/lib" "$out/bin/git-rustfmt"
27 '';
28
29 # As of 1.0.0 and rustc 1.30 rustfmt requires a nightly compiler
30 RUSTC_BOOTSTRAP = 1;
31
32 # As of rustc 1.45.0, these env vars are required to build rustfmt (due to
33 # https://github.com/rust-lang/rust/pull/72001)
34 CFG_RELEASE = rustc.version;
35 CFG_RELEASE_CHANNEL = if asNightly then "nightly" else "stable";
36
37 meta = with lib; {
38 description = "A tool for formatting Rust code according to style guidelines";
39 homepage = "https://github.com/rust-lang-nursery/rustfmt";
40 license = with licenses; [ mit asl20 ];
41 maintainers = with maintainers; [ globin basvandijk ];
42 };
43}