depot/pkgs/build-support/rust/sysroot/src.nix
Luke Granger-Brown 57725ef3ec Squashed 'third_party/nixpkgs/' content from commit 76612b17c0ce
git-subtree-dir: third_party/nixpkgs
git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
2024-11-10 23:59:47 +00:00

26 lines
645 B
Nix

{ lib, stdenv, rustPlatform, buildPackages
, originalCargoToml ? null
}:
stdenv.mkDerivation {
name = "cargo-src";
preferLocalBuild = true;
unpackPhase = "true";
dontConfigure = true;
dontBuild = true;
installPhase = ''
export RUSTC_SRC=${rustPlatform.rustLibSrc.override { }}
''
+ lib.optionalString (originalCargoToml != null) ''
export ORIG_CARGO=${originalCargoToml}
''
+ ''
${buildPackages.python3.withPackages (ps: with ps; [ toml ])}/bin/python3 ${./cargo.py}
mkdir -p $out/src
echo '#![no_std]' > $out/src/lib.rs
cp Cargo.toml $out/Cargo.toml
cp ${./Cargo.lock} $out/Cargo.lock
'';
}