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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970{ lib, stdenv, cargo, makeWrapper, rustPlatform, rustc, asNightly ? false,}:
rustPlatform.buildRustPackage { 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;
nativeBuildInputs = [ makeWrapper ];
buildInputs = [ rustc.llvm ];
# 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.hostPlatform.isDarwin '' install_name_tool -add_rpath "${rustc.unwrapped}/lib" "$out/bin/rustfmt" install_name_tool -add_rpath "${rustc.unwrapped}/lib" "$out/bin/git-rustfmt" '';
env = { # 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"; };
postInstall = '' wrapProgram $out/bin/cargo-fmt \ --suffix PATH : ${lib.makeBinPath [ cargo ]} '';
meta = { description = "Tool for formatting Rust code according to style guidelines"; homepage = "https://github.com/rust-lang-nursery/rustfmt"; license = with lib.licenses; [ mit asl20 ]; mainProgram = "rustfmt"; maintainers = with lib.maintainers; [ globin basvandijk ]; };}