If a custom unpackPhase is used for the package, it needs to also be used for fetchcargo so the same source is available for vendoring.
183 lines
5.5 KiB
Nix
183 lines
5.5 KiB
Nix
{ stdenv, cacert, git, rust, cargo, rustc, fetchcargo, buildPackages, windows }:
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{ name ? "${args.pname}-${args.version}"
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, cargoSha256 ? "unset"
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, src ? null
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, srcs ? null
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, unpackPhase ? null
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, cargoPatches ? []
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, patches ? []
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, sourceRoot ? null
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, logLevel ? ""
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, buildInputs ? []
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, nativeBuildInputs ? []
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, cargoUpdateHook ? ""
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, cargoDepsHook ? ""
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, cargoBuildFlags ? []
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, # Set to true to verify if the cargo dependencies are up to date.
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# This will change the value of cargoSha256.
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verifyCargoDeps ? false
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, buildType ? "release"
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, meta ? {}
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, target ? null
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, cargoVendorDir ? null
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, ... } @ args:
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assert cargoVendorDir == null -> cargoSha256 != "unset";
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assert buildType == "release" || buildType == "debug";
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let
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cargoDeps = if cargoVendorDir == null
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then fetchcargo {
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inherit name src srcs sourceRoot unpackPhase cargoUpdateHook;
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copyLockfile = verifyCargoDeps;
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patches = cargoPatches;
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sha256 = cargoSha256;
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}
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else null;
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setupVendorDir = if cargoVendorDir == null
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then ''
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unpackFile "$cargoDeps"
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cargoDepsCopy=$(stripHash $(basename $cargoDeps))
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chmod -R +w "$cargoDepsCopy"
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''
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else ''
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cargoDepsCopy="$sourceRoot/${cargoVendorDir}"
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'';
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rustTarget = if target == null then rust.toRustTarget stdenv.hostPlatform else target;
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ccForBuild="${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}cc";
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cxxForBuild="${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}c++";
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ccForHost="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc";
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cxxForHost="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}c++";
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releaseDir = "target/${rustTarget}/${buildType}";
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in
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stdenv.mkDerivation (args // {
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inherit cargoDeps;
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patchRegistryDeps = ./patch-registry-deps;
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nativeBuildInputs = nativeBuildInputs ++ [ cacert git cargo rustc ];
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buildInputs = buildInputs ++ stdenv.lib.optional stdenv.hostPlatform.isMinGW windows.pthreads;
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patches = cargoPatches ++ patches;
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PKG_CONFIG_ALLOW_CROSS =
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if stdenv.buildPlatform != stdenv.hostPlatform then 1 else 0;
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postUnpack = ''
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eval "$cargoDepsHook"
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${setupVendorDir}
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mkdir .cargo
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config="$(pwd)/$cargoDepsCopy/.cargo/config";
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if [[ ! -e $config ]]; then
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config=${./fetchcargo-default-config.toml};
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fi;
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substitute $config .cargo/config \
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--subst-var-by vendor "$(pwd)/$cargoDepsCopy"
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cat >> .cargo/config <<'EOF'
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[target."${rust.toRustTarget stdenv.buildPlatform}"]
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"linker" = "${ccForBuild}"
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${stdenv.lib.optionalString (stdenv.buildPlatform.config != stdenv.hostPlatform.config) ''
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[target."${rustTarget}"]
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"linker" = "${ccForHost}"
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${# https://github.com/rust-lang/rust/issues/46651#issuecomment-433611633
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stdenv.lib.optionalString (stdenv.hostPlatform.isMusl && stdenv.hostPlatform.isAarch64) ''
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"rustflags" = [ "-C", "target-feature=+crt-static", "-C", "link-arg=-lgcc" ]
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''}
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''}
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EOF
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unset cargoDepsCopy
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export RUST_LOG=${logLevel}
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'' + stdenv.lib.optionalString verifyCargoDeps ''
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if ! diff source/Cargo.lock $cargoDeps/Cargo.lock ; then
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echo
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echo "ERROR: cargoSha256 is out of date."
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echo
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echo "Cargo.lock is not the same in $cargoDeps."
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echo
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echo "To fix the issue:"
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echo '1. Use "1111111111111111111111111111111111111111111111111111" as the cargoSha256 value'
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echo "2. Build the derivation and wait it to fail with a hash mismatch"
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echo "3. Copy the 'got: sha256:' value back into the cargoSha256 field"
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echo
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exit 1
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fi
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'' + (args.postUnpack or "");
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configurePhase = args.configurePhase or ''
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runHook preConfigure
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runHook postConfigure
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'';
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buildPhase = with builtins; args.buildPhase or ''
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runHook preBuild
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(
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set -x
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env \
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"CC_${rust.toRustTarget stdenv.buildPlatform}"="${ccForBuild}" \
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"CXX_${rust.toRustTarget stdenv.buildPlatform}"="${cxxForBuild}" \
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"CC_${rust.toRustTarget stdenv.hostPlatform}"="${ccForHost}" \
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"CXX_${rust.toRustTarget stdenv.hostPlatform}"="${cxxForHost}" \
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cargo build \
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${stdenv.lib.optionalString (buildType == "release") "--release"} \
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--target ${rustTarget} \
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--frozen ${concatStringsSep " " cargoBuildFlags}
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)
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# rename the output dir to a architecture independent one
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mapfile -t targets < <(find "$NIX_BUILD_TOP" -type d | grep '${releaseDir}$')
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for target in "''${targets[@]}"; do
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rm -rf "$target/../../${buildType}"
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ln -srf "$target" "$target/../../"
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done
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runHook postBuild
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'';
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checkPhase = args.checkPhase or ''
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runHook preCheck
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echo "Running cargo cargo test -- ''${checkFlags} ''${checkFlagsArray+''${checkFlagsArray[@]}}"
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cargo test -- ''${checkFlags} ''${checkFlagsArray+"''${checkFlagsArray[@]}"}
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runHook postCheck
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'';
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doCheck = args.doCheck or true;
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inherit releaseDir;
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installPhase = args.installPhase or ''
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runHook preInstall
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mkdir -p $out/bin $out/lib
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find $releaseDir \
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-maxdepth 1 \
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-type f \
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-executable ! \( -regex ".*\.\(so.[0-9.]+\|so\|a\|dylib\)" \) \
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-print0 | xargs -r -0 cp -t $out/bin
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find $releaseDir \
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-maxdepth 1 \
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-regex ".*\.\(so.[0-9.]+\|so\|a\|dylib\)" \
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-print0 | xargs -r -0 cp -t $out/lib
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rmdir --ignore-fail-on-non-empty $out/lib $out/bin
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runHook postInstall
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'';
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passthru = { inherit cargoDeps; } // (args.passthru or {});
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meta = {
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# default to Rust's platforms
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platforms = rustc.meta.platforms;
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} // meta;
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})
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