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{ stdenv, lib, rustPlatform, Security, patchelf }:
rustPlatform.buildRustPackage {
pname = "clippy";
inherit (rustPlatform.rust.rustc) version src;
separateDebugInfo = true;
# the rust source tarball already has all the dependencies vendored, no need to fetch them again
cargoVendorDir = "vendor";
buildAndTestSubdir = "src/tools/clippy";
# changes hash of vendor directory otherwise
dontUpdateAutotoolsGnuConfigScripts = true;
buildInputs = [ rustPlatform.rust.rustc.llvm ]
++ lib.optionals stdenv.isDarwin [ Security ];
# fixes: error: the option `Z` is only accepted on the nightly compiler
RUSTC_BOOTSTRAP = 1;
# Without disabling the test the build fails with:
# error: failed to run custom build command for `rustc_llvm v0.0.0
# (/private/tmp/nix-build-clippy-1.36.0.drv-0/rustc-1.36.0-src/src/librustc_llvm)
doCheck = false;
# Clippy 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 "${rustPlatform.rust.rustc}/lib" "$out/bin/clippy-driver"
install_name_tool -add_rpath "${rustPlatform.rust.rustc}/lib" "$out/bin/cargo-clippy"
'';
meta = with lib; {
homepage = "https://rust-lang.github.io/rust-clippy/";
description = "A bunch of lints to catch common mistakes and improve your Rust code";
maintainers = with maintainers; [ basvandijk ] ++ teams.rust.members;
license = with licenses; [ mit asl20 ];
platforms = platforms.unix;
};
}
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