160 lines
4.3 KiB
Nix
160 lines
4.3 KiB
Nix
{ lib
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, importCargoLock
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, fetchCargoTarball
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, rust
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, stdenv
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, callPackage
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, cacert
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, git
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, cargoBuildHook
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, cargoCheckHook
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, cargoInstallHook
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, cargoSetupHook
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, rustc
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, libiconv
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, windows
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}:
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{ name ? "${args.pname}-${args.version}"
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# Name for the vendored dependencies tarball
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, cargoDepsName ? name
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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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, buildType ? "release"
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, meta ? {}
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, cargoLock ? null
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, cargoVendorDir ? null
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, checkType ? buildType
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, buildNoDefaultFeatures ? false
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, checkNoDefaultFeatures ? buildNoDefaultFeatures
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, buildFeatures ? [ ]
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, checkFeatures ? buildFeatures
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, depsExtraArgs ? {}
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# Toggles whether a custom sysroot is created when the target is a .json file.
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, __internal_dontAddSysroot ? false
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# Needed to `pushd`/`popd` into a subdir of a tarball if this subdir
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# contains a Cargo.toml, but isn't part of a workspace (which is e.g. the
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# case for `rustfmt`/etc from the `rust-sources).
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# Otherwise, everything from the tarball would've been built/tested.
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, buildAndTestSubdir ? null
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, ... } @ args:
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assert cargoVendorDir == null && cargoLock == null -> !(args ? cargoSha256) && !(args ? cargoHash)
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-> throw "cargoSha256, cargoHash, cargoVendorDir, or cargoLock must be set";
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assert buildType == "release" || buildType == "debug";
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let
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cargoDeps =
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if cargoVendorDir == null
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then if cargoLock != null then importCargoLock cargoLock
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else fetchCargoTarball ({
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inherit src srcs sourceRoot unpackPhase cargoUpdateHook;
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name = cargoDepsName;
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patches = cargoPatches;
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} // lib.optionalAttrs (args ? cargoHash) {
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hash = args.cargoHash;
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} // lib.optionalAttrs (args ? cargoSha256) {
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sha256 = args.cargoSha256;
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} // depsExtraArgs)
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else null;
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# If we have a cargoSha256 fixed-output derivation, validate it at build time
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# against the src fixed-output derivation to check consistency.
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validateCargoDeps = args ? cargoHash || args ? cargoSha256;
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target = rust.toRustTargetSpec stdenv.hostPlatform;
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targetIsJSON = lib.hasSuffix ".json" target;
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useSysroot = targetIsJSON && !__internal_dontAddSysroot;
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# see https://github.com/rust-lang/cargo/blob/964a16a28e234a3d397b2a7031d4ab4a428b1391/src/cargo/core/compiler/compile_kind.rs#L151-L168
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# the "${}" is needed to transform the path into a /nix/store path before baseNameOf
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shortTarget = if targetIsJSON then
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(lib.removeSuffix ".json" (builtins.baseNameOf "${target}"))
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else target;
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sysroot = callPackage ./sysroot { } {
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inherit target shortTarget;
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RUSTFLAGS = args.RUSTFLAGS or "";
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originalCargoToml = src + /Cargo.toml; # profile info is later extracted
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};
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in
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# Tests don't currently work for `no_std`, and all custom sysroots are currently built without `std`.
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# See https://os.phil-opp.com/testing/ for more information.
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assert useSysroot -> !(args.doCheck or true);
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stdenv.mkDerivation ((removeAttrs args [ "depsExtraArgs" "cargoLock" ]) // lib.optionalAttrs useSysroot {
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RUSTFLAGS = "--sysroot ${sysroot} " + (args.RUSTFLAGS or "");
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} // {
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inherit buildAndTestSubdir cargoDeps;
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cargoBuildType = buildType;
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cargoCheckType = checkType;
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cargoBuildNoDefaultFeatures = buildNoDefaultFeatures;
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cargoCheckNoDefaultFeatures = checkNoDefaultFeatures;
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cargoBuildFeatures = buildFeatures;
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cargoCheckFeatures = checkFeatures;
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patchRegistryDeps = ./patch-registry-deps;
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nativeBuildInputs = nativeBuildInputs ++ [
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cacert
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git
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cargoBuildHook
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cargoCheckHook
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cargoInstallHook
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cargoSetupHook
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rustc
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];
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buildInputs = buildInputs
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++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ]
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++ lib.optionals 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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export RUST_LOG=${logLevel}
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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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doCheck = args.doCheck or true;
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strictDeps = true;
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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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