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