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nixpkgs/pkgs/development/compilers/rust/rustfmt.nix
Maximilian Bosch 6b23cfe689
rustPlatform: add buildAndTestSubdir-argument
There are several tarballs (such as the `rust-lang/rust`-source) with a
`Cargo.toml` at root and several sub-packages (with their own Cargo.toml)
without using workspaces[1].

In such a case it's needed to move into a subdir to only build the
specified sub-package (e.g. `rustfmt` or `rsl`), however the artifacts
are at `/target` in the root-dir of the build environment. This breaks
the build since `buildRustPackage` searches for executables in `target`
(which is at the build-env's root) at the end of the `buildPhase`.

With the optional `buildAndTestSubdir`-argument, the builder moves into
the specified subdir using `pushd`/`popd` during `buildPhase` and
`checkPhase`.

Also moved the logic to find executables and libs to the end of the `buildPhase`
from a custom `postBuild`-hook to fix packages with custom `build`/`install`-procedures
such as `uutils-coreutils`.

[1] https://doc.rust-lang.org/book/ch14-03-cargo-workspaces.html
2020-05-13 01:47:17 +02:00

27 lines
880 B
Nix

{ stdenv, rustPlatform, Security }:
rustPlatform.buildRustPackage rec {
pname = "rustfmt";
inherit (rustPlatform.rust.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 = stdenv.lib.optional stdenv.isDarwin Security;
# As of 1.0.0 and rustc 1.30 rustfmt requires a nightly compiler
RUSTC_BOOTSTRAP = 1;
meta = with stdenv.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 ];
maintainers = with maintainers; [ globin basvandijk ];
platforms = platforms.all;
};
}