factor out nix code into new files via makeScope
This makes the Nix code a lot easier to reason about.
This commit is contained in:
Charles Hall
Matthias Ahouansou
parent
c9ee4a920e
commit
3336d3f812
6 changed files with 357 additions and 268 deletions
347
flake.nix
347
flake.nix
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@ -19,286 +19,97 @@
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attic.url = "github:zhaofengli/attic?ref=main";
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};
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outputs = inputs: inputs.flake-utils.lib.eachDefaultSystem (system:
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outputs = inputs:
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let
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pkgsHost = inputs.nixpkgs.legacyPackages.${system};
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# Keep sorted
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mkScope = pkgs: pkgs.lib.makeScope pkgs.newScope (self: {
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craneLib =
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(inputs.crane.mkLib pkgs).overrideToolchain self.toolchain;
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# Nix-accessible `Cargo.toml`
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cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
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default = self.callPackage ./nix/pkgs/default {};
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# The Rust toolchain to use
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toolchain = inputs.fenix.packages.${system}.fromToolchainFile {
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file = ./rust-toolchain.toml;
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inherit inputs;
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# See also `rust-toolchain.toml`
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sha256 = "sha256-SXRtAuO4IqNOQq+nLbrsDFbVk+3aVA8NNpSZsKlVH/8=";
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};
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oci-image = self.callPackage ./nix/pkgs/oci-image {};
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builder = pkgs:
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((inputs.crane.mkLib pkgs).overrideToolchain toolchain).buildPackage;
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book = self.callPackage ./nix/pkgs/book {};
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nativeBuildInputs = pkgs: [
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# bindgen needs the build platform's libclang. Apparently due to
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# "splicing weirdness", pkgs.rustPlatform.bindgenHook on its own doesn't
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# quite do the right thing here.
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pkgs.pkgsBuildHost.rustPlatform.bindgenHook
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];
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rocksdb =
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let
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version = "9.1.1";
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in
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pkgs.rocksdb.overrideAttrs (old: {
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inherit version;
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src = pkgs.fetchFromGitHub {
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owner = "facebook";
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repo = "rocksdb";
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rev = "v${version}";
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hash = "sha256-/Xf0bzNJPclH9IP80QNaABfhj4IAR5LycYET18VFCXc=";
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};
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});
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rocksdb' = pkgs:
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let
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version = "9.1.1";
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in
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pkgs.rocksdb.overrideAttrs (old: {
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inherit version;
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src = pkgs.fetchFromGitHub {
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owner = "facebook";
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repo = "rocksdb";
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rev = "v${version}";
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hash = "sha256-/Xf0bzNJPclH9IP80QNaABfhj4IAR5LycYET18VFCXc=";
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};
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shell = self.callPackage ./nix/shell.nix {};
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# The Rust toolchain to use
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toolchain = inputs
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.fenix
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.packages
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.${pkgs.pkgsBuildHost.system}
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.fromToolchainFile {
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file = ./rust-toolchain.toml;
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# See also `rust-toolchain.toml`
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sha256 = "sha256-SXRtAuO4IqNOQq+nLbrsDFbVk+3aVA8NNpSZsKlVH/8=";
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};
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});
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in
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inputs.flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = inputs.nixpkgs.legacyPackages.${system};
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in
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{
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packages = {
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default = (mkScope pkgs).default;
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oci-image = (mkScope pkgs).oci-image;
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book = (mkScope pkgs).book;
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}
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//
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builtins.listToAttrs
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(builtins.concatLists
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(builtins.map
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(crossSystem:
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let
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binaryName = "static-${crossSystem}";
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pkgsCrossStatic =
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(import inputs.nixpkgs {
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inherit system;
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crossSystem = {
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config = crossSystem;
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};
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}).pkgsStatic;
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in
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[
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# An output for a statically-linked binary
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{
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name = binaryName;
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value = (mkScope pkgsCrossStatic).default;
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}
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env = pkgs: {
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CONDUIT_VERSION_EXTRA =
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inputs.self.shortRev or inputs.self.dirtyShortRev;
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ROCKSDB_INCLUDE_DIR = "${rocksdb' pkgs}/include";
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ROCKSDB_LIB_DIR = "${rocksdb' pkgs}/lib";
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}
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// pkgs.lib.optionalAttrs pkgs.stdenv.hostPlatform.isStatic {
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ROCKSDB_STATIC = "";
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}
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// {
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CARGO_BUILD_RUSTFLAGS = let inherit (pkgs) lib stdenv; in
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lib.concatStringsSep " " ([]
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++ lib.optionals
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# This disables PIE for static builds, which isn't great in terms
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# of security. Unfortunately, my hand is forced because nixpkgs'
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# `libstdc++.a` is built without `-fPIE`, which precludes us from
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# leaving PIE enabled.
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stdenv.hostPlatform.isStatic
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["-C" "relocation-model=static"]
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++ lib.optionals
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(stdenv.buildPlatform.config != stdenv.hostPlatform.config)
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["-l" "c"]
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++ lib.optionals
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# This check has to match the one [here][0]. We only need to set
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# these flags when using a different linker. Don't ask me why,
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# though, because I don't know. All I know is it breaks otherwise.
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#
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# [0]: https://github.com/NixOS/nixpkgs/blob/5cdb38bb16c6d0a38779db14fcc766bc1b2394d6/pkgs/build-support/rust/lib/default.nix#L37-L40
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(
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# Nixpkgs doesn't check for x86_64 here but we do, because I
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# observed a failure building statically for x86_64 without
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# including it here. Linkers are weird.
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(stdenv.hostPlatform.isAarch64 || stdenv.hostPlatform.isx86_64)
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&& stdenv.hostPlatform.isStatic
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&& !stdenv.isDarwin
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&& !stdenv.cc.bintools.isLLVM
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# An output for an OCI image based on that binary
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{
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name = "oci-image-${crossSystem}";
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value = (mkScope pkgsCrossStatic).oci-image;
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}
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]
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)
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[
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"-l"
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"stdc++"
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"-L"
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"${stdenv.cc.cc.lib}/${stdenv.hostPlatform.config}/lib"
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]
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);
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}
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# What follows is stolen from [here][0]. Its purpose is to properly
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# configure compilers and linkers for various stages of the build, and
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# even covers the case of build scripts that need native code compiled and
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# run on the build platform (I think).
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#
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# [0]: https://github.com/NixOS/nixpkgs/blob/5cdb38bb16c6d0a38779db14fcc766bc1b2394d6/pkgs/build-support/rust/lib/default.nix#L57-L80
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// (
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let
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inherit (pkgs.rust.lib) envVars;
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in
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pkgs.lib.optionalAttrs
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(pkgs.stdenv.targetPlatform.rust.rustcTarget
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!= pkgs.stdenv.hostPlatform.rust.rustcTarget)
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(
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let
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inherit (pkgs.stdenv.targetPlatform.rust) cargoEnvVarTarget;
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in
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{
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"CC_${cargoEnvVarTarget}" = envVars.ccForTarget;
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"CXX_${cargoEnvVarTarget}" = envVars.cxxForTarget;
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"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" =
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envVars.linkerForTarget;
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}
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)
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// (
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let
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inherit (pkgs.stdenv.hostPlatform.rust) cargoEnvVarTarget rustcTarget;
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in
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{
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"CC_${cargoEnvVarTarget}" = envVars.ccForHost;
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"CXX_${cargoEnvVarTarget}" = envVars.cxxForHost;
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"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.linkerForHost;
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CARGO_BUILD_TARGET = rustcTarget;
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}
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)
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// (
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let
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inherit (pkgs.stdenv.buildPlatform.rust) cargoEnvVarTarget;
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in
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{
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"CC_${cargoEnvVarTarget}" = envVars.ccForBuild;
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"CXX_${cargoEnvVarTarget}" = envVars.cxxForBuild;
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"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.linkerForBuild;
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HOST_CC = "${pkgs.pkgsBuildHost.stdenv.cc}/bin/cc";
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HOST_CXX = "${pkgs.pkgsBuildHost.stdenv.cc}/bin/c++";
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}
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));
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package = pkgs: builder pkgs {
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src = inputs.nix-filter {
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root = ./.;
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include = [
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"src"
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"Cargo.toml"
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"Cargo.lock"
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];
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};
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# This is redundant with CI
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doCheck = false;
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env = env pkgs;
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nativeBuildInputs = nativeBuildInputs pkgs;
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meta.mainProgram = cargoToml.package.name;
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};
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mkOciImage = pkgs: package:
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pkgs.dockerTools.buildImage {
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name = package.pname;
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tag = "next";
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copyToRoot = [
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pkgs.dockerTools.caCertificates
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];
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config = {
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# Use the `tini` init system so that signals (e.g. ctrl+c/SIGINT)
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# are handled as expected
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Entrypoint = [
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"${pkgs.lib.getExe' pkgs.tini "tini"}"
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"--"
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];
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Cmd = [
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"${pkgs.lib.getExe package}"
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];
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};
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};
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in
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{
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packages = {
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default = package pkgsHost;
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oci-image = mkOciImage pkgsHost inputs.self.packages.${system}.default;
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book =
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let
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package = inputs.self.packages.${system}.default;
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in
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pkgsHost.stdenv.mkDerivation {
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pname = "${package.pname}-book";
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version = package.version;
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src = inputs.nix-filter {
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root = ./.;
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include = [
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"book.toml"
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"conduit-example.toml"
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"README.md"
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"debian/README.md"
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"docs"
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];
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};
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nativeBuildInputs = (with pkgsHost; [
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mdbook
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]);
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buildPhase = ''
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mdbook build
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mv public $out
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'';
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};
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}
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//
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builtins.listToAttrs
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(builtins.concatLists
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(builtins.map
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(crossSystem:
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let
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binaryName = "static-${crossSystem}";
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pkgsCrossStatic =
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(import inputs.nixpkgs {
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inherit system;
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crossSystem = {
|
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config = crossSystem;
|
||||
};
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}).pkgsStatic;
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in
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[
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# An output for a statically-linked binary
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{
|
||||
name = binaryName;
|
||||
value = package pkgsCrossStatic;
|
||||
}
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||||
|
||||
# An output for an OCI image based on that binary
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{
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name = "oci-image-${crossSystem}";
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value = mkOciImage
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pkgsCrossStatic
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inputs.self.packages.${system}.${binaryName};
|
||||
}
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"x86_64-unknown-linux-musl"
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"aarch64-unknown-linux-musl"
|
||||
]
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||||
)
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[
|
||||
"x86_64-unknown-linux-musl"
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"aarch64-unknown-linux-musl"
|
||||
]
|
||||
)
|
||||
);
|
||||
);
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||||
|
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devShells.default = pkgsHost.mkShell {
|
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env = env pkgsHost // {
|
||||
# Rust Analyzer needs to be able to find the path to default crate
|
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# sources, and it can read this environment variable to do so. The
|
||||
# `rust-src` component is required in order for this to work.
|
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RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
|
||||
};
|
||||
|
||||
# Development tools
|
||||
nativeBuildInputs = nativeBuildInputs pkgsHost ++ [
|
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# Always use nightly rustfmt because most of its options are unstable
|
||||
#
|
||||
# This needs to come before `toolchain` in this list, otherwise
|
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# `$PATH` will have stable rustfmt instead.
|
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inputs.fenix.packages.${system}.latest.rustfmt
|
||||
|
||||
toolchain
|
||||
] ++ (with pkgsHost; [
|
||||
engage
|
||||
|
||||
# Needed for producing Debian packages
|
||||
cargo-deb
|
||||
|
||||
# Needed for Complement
|
||||
go
|
||||
olm
|
||||
|
||||
# Needed for our script for Complement
|
||||
jq
|
||||
|
||||
# Needed for finding broken markdown links
|
||||
lychee
|
||||
|
||||
# Useful for editing the book locally
|
||||
mdbook
|
||||
]);
|
||||
};
|
||||
});
|
||||
devShells.default = (mkScope pkgs).shell;
|
||||
}
|
||||
);
|
||||
}
|
||||
|
|
|
|||
34
nix/pkgs/book/default.nix
Normal file
34
nix/pkgs/book/default.nix
Normal file
|
|
@ -0,0 +1,34 @@
|
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# Keep sorted
|
||||
{ default
|
||||
, inputs
|
||||
, mdbook
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||||
, stdenv
|
||||
}:
|
||||
|
||||
stdenv.mkDerivation {
|
||||
pname = "${default.pname}-book";
|
||||
version = default.version;
|
||||
|
||||
|
||||
src = let filter = inputs.nix-filter.lib; in filter {
|
||||
root = inputs.self;
|
||||
|
||||
# Keep sorted
|
||||
include = [
|
||||
"book.toml"
|
||||
"conduit-example.toml"
|
||||
"debian/README.md"
|
||||
"docs"
|
||||
"README.md"
|
||||
];
|
||||
};
|
||||
|
||||
nativeBuildInputs = [
|
||||
mdbook
|
||||
];
|
||||
|
||||
buildPhase = ''
|
||||
mdbook build
|
||||
mv public $out
|
||||
'';
|
||||
}
|
||||
100
nix/pkgs/default/cross-compilation-env.nix
Normal file
100
nix/pkgs/default/cross-compilation-env.nix
Normal file
|
|
@ -0,0 +1,100 @@
|
|||
{ lib
|
||||
, pkgsBuildHost
|
||||
, rust
|
||||
, stdenv
|
||||
}:
|
||||
|
||||
lib.optionalAttrs stdenv.hostPlatform.isStatic {
|
||||
ROCKSDB_STATIC = "";
|
||||
}
|
||||
//
|
||||
{
|
||||
CARGO_BUILD_RUSTFLAGS =
|
||||
lib.concatStringsSep
|
||||
" "
|
||||
([]
|
||||
# This disables PIE for static builds, which isn't great in terms of
|
||||
# security. Unfortunately, my hand is forced because nixpkgs'
|
||||
# `libstdc++.a` is built without `-fPIE`, which precludes us from
|
||||
# leaving PIE enabled.
|
||||
++ lib.optionals
|
||||
stdenv.hostPlatform.isStatic
|
||||
[ "-C" "relocation-model=static" ]
|
||||
++ lib.optionals
|
||||
(stdenv.buildPlatform.config != stdenv.hostPlatform.config)
|
||||
[ "-l" "c" ]
|
||||
++ lib.optionals
|
||||
# This check has to match the one [here][0]. We only need to set
|
||||
# these flags when using a different linker. Don't ask me why, though,
|
||||
# because I don't know. All I know is it breaks otherwise.
|
||||
#
|
||||
# [0]: https://github.com/NixOS/nixpkgs/blob/5cdb38bb16c6d0a38779db14fcc766bc1b2394d6/pkgs/build-support/rust/lib/default.nix#L37-L40
|
||||
(
|
||||
# Nixpkgs doesn't check for x86_64 here but we do, because I
|
||||
# observed a failure building statically for x86_64 without
|
||||
# including it here. Linkers are weird.
|
||||
(stdenv.hostPlatform.isAarch64 || stdenv.hostPlatform.isx86_64)
|
||||
&& stdenv.hostPlatform.isStatic
|
||||
&& !stdenv.isDarwin
|
||||
&& !stdenv.cc.bintools.isLLVM
|
||||
)
|
||||
[
|
||||
"-l"
|
||||
"stdc++"
|
||||
"-L"
|
||||
"${stdenv.cc.cc.lib}/${stdenv.hostPlatform.config}/lib"
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
# What follows is stolen from [here][0]. Its purpose is to properly configure
|
||||
# compilers and linkers for various stages of the build, and even covers the
|
||||
# case of build scripts that need native code compiled and run on the build
|
||||
# platform (I think).
|
||||
#
|
||||
# [0]: https://github.com/NixOS/nixpkgs/blob/5cdb38bb16c6d0a38779db14fcc766bc1b2394d6/pkgs/build-support/rust/lib/default.nix#L57-L80
|
||||
//
|
||||
(
|
||||
let
|
||||
inherit (rust.lib) envVars;
|
||||
in
|
||||
lib.optionalAttrs
|
||||
(stdenv.targetPlatform.rust.rustcTarget
|
||||
!= stdenv.hostPlatform.rust.rustcTarget)
|
||||
(
|
||||
let
|
||||
inherit (stdenv.targetPlatform.rust) cargoEnvVarTarget;
|
||||
in
|
||||
{
|
||||
"CC_${cargoEnvVarTarget}" = envVars.ccForTarget;
|
||||
"CXX_${cargoEnvVarTarget}" = envVars.cxxForTarget;
|
||||
"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" =
|
||||
envVars.linkerForTarget;
|
||||
}
|
||||
)
|
||||
//
|
||||
(
|
||||
let
|
||||
inherit (stdenv.hostPlatform.rust) cargoEnvVarTarget rustcTarget;
|
||||
in
|
||||
{
|
||||
"CC_${cargoEnvVarTarget}" = envVars.ccForHost;
|
||||
"CXX_${cargoEnvVarTarget}" = envVars.cxxForHost;
|
||||
"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.linkerForHost;
|
||||
CARGO_BUILD_TARGET = rustcTarget;
|
||||
}
|
||||
)
|
||||
//
|
||||
(
|
||||
let
|
||||
inherit (stdenv.buildPlatform.rust) cargoEnvVarTarget;
|
||||
in
|
||||
{
|
||||
"CC_${cargoEnvVarTarget}" = envVars.ccForBuild;
|
||||
"CXX_${cargoEnvVarTarget}" = envVars.cxxForBuild;
|
||||
"CARGO_TARGET_${cargoEnvVarTarget}_LINKER" = envVars.linkerForBuild;
|
||||
HOST_CC = "${pkgsBuildHost.stdenv.cc}/bin/cc";
|
||||
HOST_CXX = "${pkgsBuildHost.stdenv.cc}/bin/c++";
|
||||
}
|
||||
)
|
||||
)
|
||||
64
nix/pkgs/default/default.nix
Normal file
64
nix/pkgs/default/default.nix
Normal file
|
|
@ -0,0 +1,64 @@
|
|||
# Keep sorted
|
||||
{ craneLib
|
||||
, inputs
|
||||
, lib
|
||||
, pkgsBuildHost
|
||||
, rocksdb
|
||||
, rust
|
||||
, stdenv
|
||||
}:
|
||||
|
||||
let
|
||||
env = {
|
||||
CONDUIT_VERSION_EXTRA = inputs.self.shortRev or inputs.self.dirtyShortRev;
|
||||
ROCKSDB_INCLUDE_DIR = "${rocksdb}/include";
|
||||
ROCKSDB_LIB_DIR = "${rocksdb}/lib";
|
||||
}
|
||||
//
|
||||
(import ./cross-compilation-env.nix {
|
||||
# Keep sorted
|
||||
inherit
|
||||
lib
|
||||
pkgsBuildHost
|
||||
rust
|
||||
stdenv;
|
||||
});
|
||||
in
|
||||
|
||||
craneLib.buildPackage rec {
|
||||
inherit
|
||||
(craneLib.crateNameFromCargoToml {
|
||||
cargoToml = "${inputs.self}/Cargo.toml";
|
||||
})
|
||||
pname
|
||||
version;
|
||||
|
||||
src = let filter = inputs.nix-filter.lib; in filter {
|
||||
root = inputs.self;
|
||||
|
||||
# Keep sorted
|
||||
include = [
|
||||
"Cargo.lock"
|
||||
"Cargo.toml"
|
||||
"src"
|
||||
];
|
||||
};
|
||||
|
||||
# This is redundant with CI
|
||||
doCheck = false;
|
||||
|
||||
nativeBuildInputs = [
|
||||
# bindgen needs the build platform's libclang. Apparently due to "splicing
|
||||
# weirdness", pkgs.rustPlatform.bindgenHook on its own doesn't quite do the
|
||||
# right thing here.
|
||||
pkgsBuildHost.rustPlatform.bindgenHook
|
||||
];
|
||||
|
||||
inherit env;
|
||||
|
||||
passthru = {
|
||||
inherit env;
|
||||
};
|
||||
|
||||
meta.mainProgram = pname;
|
||||
}
|
||||
25
nix/pkgs/oci-image/default.nix
Normal file
25
nix/pkgs/oci-image/default.nix
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
# Keep sorted
|
||||
{ default
|
||||
, dockerTools
|
||||
, lib
|
||||
, tini
|
||||
}:
|
||||
|
||||
dockerTools.buildImage {
|
||||
name = default.pname;
|
||||
tag = "next";
|
||||
copyToRoot = [
|
||||
dockerTools.caCertificates
|
||||
];
|
||||
config = {
|
||||
# Use the `tini` init system so that signals (e.g. ctrl+c/SIGINT)
|
||||
# are handled as expected
|
||||
Entrypoint = [
|
||||
"${lib.getExe' tini "tini"}"
|
||||
"--"
|
||||
];
|
||||
Cmd = [
|
||||
"${lib.getExe default}"
|
||||
];
|
||||
};
|
||||
}
|
||||
55
nix/shell.nix
Normal file
55
nix/shell.nix
Normal file
|
|
@ -0,0 +1,55 @@
|
|||
# Keep sorted
|
||||
{ cargo-deb
|
||||
, default
|
||||
, engage
|
||||
, go
|
||||
, inputs
|
||||
, jq
|
||||
, lychee
|
||||
, mdbook
|
||||
, mkShell
|
||||
, olm
|
||||
, system
|
||||
, toolchain
|
||||
}:
|
||||
|
||||
mkShell {
|
||||
env = default.env // {
|
||||
# Rust Analyzer needs to be able to find the path to default crate
|
||||
# sources, and it can read this environment variable to do so. The
|
||||
# `rust-src` component is required in order for this to work.
|
||||
RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
|
||||
};
|
||||
|
||||
# Development tools
|
||||
nativeBuildInputs = default.nativeBuildInputs ++ [
|
||||
# Always use nightly rustfmt because most of its options are unstable
|
||||
#
|
||||
# This needs to come before `toolchain` in this list, otherwise
|
||||
# `$PATH` will have stable rustfmt instead.
|
||||
inputs.fenix.packages.${system}.latest.rustfmt
|
||||
|
||||
# Keep sorted
|
||||
engage
|
||||
toolchain
|
||||
|
||||
# Needed for producing Debian packages
|
||||
cargo-deb
|
||||
|
||||
# Needed for our script for Complement
|
||||
jq
|
||||
|
||||
# Needed for Complement
|
||||
go
|
||||
olm
|
||||
|
||||
# Needed for our script for Complement
|
||||
jq
|
||||
|
||||
# Needed for finding broken markdown links
|
||||
lychee
|
||||
|
||||
# Useful for editing the book locally
|
||||
mdbook
|
||||
];
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue