d7ebe7a4f3
Add support for building Rust packages that have multiple sources, i.e., that use the `srcs` and `sourceRoot` attributes instead of just `src`.
107 lines
2.5 KiB
Nix
107 lines
2.5 KiB
Nix
{ stdenv, cacert, git, rustc, cargo, rustRegistry }:
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{ name, depsSha256
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, src ? null
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, srcs ? null
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, sourceRoot ? null
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, buildInputs ? []
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, cargoUpdateHook ? ""
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, ... } @ args:
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let
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fetchDeps = import ./fetchcargo.nix {
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inherit stdenv cacert git rustc cargo rustRegistry;
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};
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cargoDeps = fetchDeps {
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inherit name src srcs sourceRoot cargoUpdateHook;
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sha256 = depsSha256;
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};
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in stdenv.mkDerivation (args // {
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inherit cargoDeps rustRegistry;
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patchRegistryDeps = ./patch-registry-deps;
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buildInputs = [ git cargo rustc ] ++ buildInputs;
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configurePhase = args.configurePhase or "true";
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postUnpack = ''
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echo "Using cargo deps from $cargoDeps"
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cp -r "$cargoDeps" deps
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chmod +w deps -R
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# It's OK to use /dev/null as the URL because by the time we do this, cargo
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# won't attempt to update the registry anymore, so the URL is more or less
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# irrelevant
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cat <<EOF > deps/config
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[registry]
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index = "file:///dev/null"
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EOF
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export CARGO_HOME="$(realpath deps)"
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# Let's find out which $indexHash cargo uses for file:///dev/null
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(cd $sourceRoot && cargo fetch &>/dev/null)
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cd deps
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indexHash="$(basename $(echo registry/index/*))"
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echo "Using indexHash '$indexHash'"
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rm -rf -- "registry/cache/$indexHash" \
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"registry/index/$indexHash"
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mv registry/cache/HASH "registry/cache/$indexHash"
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echo "Using rust registry from $rustRegistry"
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ln -s "$rustRegistry" "registry/index/$indexHash"
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# Retrieved the Cargo.lock file which we saved during the fetch
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cd ..
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mv deps/Cargo.lock $sourceRoot/
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(
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cd $sourceRoot
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cargo fetch
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cargo clean
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)
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'' + (args.postUnpack or "");
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prePatch = ''
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# Patch registry dependencies, using the scripts in $patchRegistryDeps
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(
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set -euo pipefail
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cd ../deps/registry/src/*
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for script in $patchRegistryDeps/*; do
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# Run in a subshell so that directory changes and shell options don't
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# affect any following commands
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( . $script)
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done
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)
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'' + (args.prePatch or "");
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buildPhase = args.buildPhase or ''
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echo "Running cargo build --release"
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cargo build --release
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'';
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checkPhase = args.checkPhase or ''
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echo "Running cargo test"
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cargo test
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'';
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doCheck = args.doCheck or true;
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installPhase = args.installPhase or ''
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mkdir -p $out/bin
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for f in $(find target/release -maxdepth 1 -type f); do
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cp $f $out/bin
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done;
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'';
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})
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