tjh.dev
1{ lib, stdenv, rustPlatform, buildPackages
2, originalCargoToml ? null
3}:
4
5stdenv.mkDerivation {
6 name = "cargo-src";
7 preferLocalBuild = true;
8
9 unpackPhase = "true";
10 dontConfigure = true;
11 dontBuild = true;
12
13 installPhase = ''
14 export RUSTC_SRC=${rustPlatform.rustLibSrc.override { }}
15 ''
16 + lib.optionalString (originalCargoToml != null) ''
17 export ORIG_CARGO=${originalCargoToml}
18 ''
19 + ''
20 ${buildPackages.python3.withPackages (ps: with ps; [ toml ])}/bin/python3 ${./cargo.py}
21 mkdir -p $out/src
22 echo '#![no_std]' > $out/src/lib.rs
23 cp Cargo.toml $out/Cargo.toml
24 cp ${./Cargo.lock} $out/Cargo.lock
25 '';
26}