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184 lines
8.3 KiB
184 lines
8.3 KiB
{
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description = ''
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Pure and reproducible overlay for binary distributed rust toolchains.
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A compatible but better replacement for rust overlay of github:mozilla/nixpkgs-mozilla.
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'';
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs";
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flake-utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, flake-utils }: let
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inherit (nixpkgs) lib;
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overlay = import ./.;
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allSystems = [
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"aarch64-linux"
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"armv6l-linux"
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"armv7a-linux"
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"armv7l-linux"
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"x86_64-linux"
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"x86_64-darwin"
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# "aarch64-darwin"
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];
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in {
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overlay = final: prev: overlay final prev;
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} // flake-utils.lib.eachSystem allSystems (system: let
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pkgs = import nixpkgs { inherit system; overlays = [ overlay ]; };
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in rec {
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# `defaultApp`, `defaultPackage` and `packages` are for human only.
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# They are subject to change and **DO NOT** depend on them in your flake.
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# Please use `overlay` instead.
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defaultApp = {
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type = "app";
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program = "${defaultPackage}/bin/rustc";
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};
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defaultPackage = packages.rust;
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packages = let
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inherit (builtins) tryEval;
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defaultPkg = comps:
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if comps ? default then
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if (tryEval comps.default.drvPath).success then
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comps.default
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else if (tryEval comps.minimal.drvPath).success then
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comps.minimal
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else
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null
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else if (tryEval comps.rust.drvPath).success then
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comps.rust
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else
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null;
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result =
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lib.mapAttrs' (version: comps: {
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name = "rust-${lib.replaceStrings ["."] ["-"] version}";
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value = defaultPkg comps;
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}) pkgs.rust-bin.stable //
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lib.mapAttrs' (version: comps: {
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name = "rust-nightly-${version}";
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value = defaultPkg comps;
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}) pkgs.rust-bin.nightly //
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lib.mapAttrs' (version: comps: {
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name = "rust-beta-${version}";
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value = defaultPkg comps;
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}) pkgs.rust-bin.beta //
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{
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rust = result.rust-latest;
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rust-nightly = result.rust-nightly-latest;
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rust-beta = result.rust-beta-latest;
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};
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in lib.filterAttrs (name: drv: drv != null) result;
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checks = let
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inherit (pkgs) rust-bin rustChannelOf;
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inherit (pkgs.rust-bin) fromRustupToolchain fromRustupToolchainFile stable beta nightly;
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rustTarget = pkgs.rust.toRustTarget pkgs.hostPlatform;
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assertEq = lhs: rhs: {
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assertion = lhs == rhs;
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message = "`${lhs}` != `${rhs}`";
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};
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assertUrl = drv: url: let
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srcUrl = lib.head drv.src.urls;
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in assertEq srcUrl url;
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assertions = {
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url-no-arch = assertUrl stable."1.48.0".rust-src "https://static.rust-lang.org/dist/2020-11-19/rust-src-1.48.0.tar.xz";
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url-kind-2 = assertUrl stable."1.48.0".cargo "https://static.rust-lang.org/dist/2020-11-19/cargo-1.48.0-${rustTarget}.tar.xz";
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url-kind-0 = assertUrl stable."1.47.0".cargo "https://static.rust-lang.org/dist/2020-10-08/cargo-0.48.0-${rustTarget}.tar.xz";
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url-kind-1 = assertUrl stable."1.34.2".llvm-tools-preview "https://static.rust-lang.org/dist/2019-05-14/llvm-tools-1.34.2%20(6c2484dc3%202019-05-13)-${rustTarget}.tar.xz";
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url-kind-nightly = assertUrl nightly."2021-01-01".rustc "https://static.rust-lang.org/dist/2021-01-01/rustc-nightly-${rustTarget}.tar.xz";
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url-kind-beta = assertUrl beta."2021-01-01".rustc "https://static.rust-lang.org/dist/2021-01-01/rustc-beta-${rustTarget}.tar.xz";
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url-fix = assertUrl nightly."2019-01-10".rustc "https://static.rust-lang.org/dist/2019-01-10/rustc-nightly-${rustTarget}.tar.xz";
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# Check only tier 1 targets.
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} // lib.optionalAttrs (lib.elem system [ "aarch64-linux" "x86_64-linux" ]) {
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name-stable = assertEq stable."1.48.0".rustc.name "rustc-1.48.0";
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name-beta = assertEq beta."2021-01-01".rustc.name "rustc-1.50.0-beta.2-2021-01-01";
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name-nightly = assertEq nightly."2021-01-01".rustc.name "rustc-1.51.0-nightly-2021-01-01";
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name-stable-profile-default = assertEq stable."1.51.0".default.name "rust-default-1.51.0";
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name-stable-profile-minimal = assertEq stable."1.51.0".minimal.name "rust-minimal-1.51.0";
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rename-available = assertEq stable."1.48.0".rustfmt stable."1.48.0".rustfmt-preview;
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rename-unavailable = {
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assertion = !(stable."1.30.0" ? rustfmt);
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message = "1.30.0 has rustfmt still in preview state";
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};
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latest-stable-legacy = assertEq pkgs.latest.rustChannels.stable.rustc stable.latest.rustc;
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latest-beta-legacy = assertEq pkgs.latest.rustChannels.beta.rustc beta.latest.rustc;
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latest-nightly-legacy = assertEq pkgs.latest.rustChannels.nightly.rustc nightly.latest.rustc;
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rust-channel-of-stable = assertEq (rustChannelOf { channel = "stable"; }).rustc stable.latest.rustc;
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rust-channel-of-beta = assertEq (rustChannelOf { channel = "beta"; }).rustc beta.latest.rustc;
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rust-channel-of-nightly = assertEq (rustChannelOf { channel = "nightly"; }).rustc nightly.latest.rustc;
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rust-channel-of-version = assertEq (rustChannelOf { channel = "1.48.0"; }).rustc stable."1.48.0".rustc;
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rust-channel-of-nightly-date = assertEq (rustChannelOf { channel = "nightly"; date = "2021-01-01"; }).rustc nightly."2021-01-01".rustc;
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rust-channel-of-beta-date = assertEq (rustChannelOf { channel = "beta"; date = "2021-01-01"; }).rustc beta."2021-01-01".rustc;
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rustup-toolchain-stable = assertEq (fromRustupToolchain { channel = "stable"; }) stable.latest.default;
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rustup-toolchain-beta = assertEq (fromRustupToolchain { channel = "beta"; }) beta.latest.default;
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# rustup-toolchain-nightly = assertEq (fromRustupToolchain { channel = "nightly"; }) nightly.latest.default; # Not always available
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rustup-toolchain-version = assertEq (fromRustupToolchain { channel = "1.51.0"; }) stable."1.51.0".default;
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rustup-toolchain-nightly-date = assertEq (fromRustupToolchain { channel = "nightly-2021-01-01"; }) nightly."2021-01-01".default;
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rustup-toolchain-beta-date = assertEq (fromRustupToolchain { channel = "beta-2021-01-01"; }) beta."2021-01-01".default;
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rustup-toolchain-customization = assertEq
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(fromRustupToolchain {
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channel = "1.51.0";
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components = [ "rustfmt" "rustc-dev" ];
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targets = [ "wasm32-unknown-unknown" "aarch64-unknown-linux-gnu" ];
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})
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(stable."1.51.0".default.override {
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extensions = [ "rustfmt" "rustc-dev" ];
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targets = [ "wasm32-unknown-unknown" "aarch64-unknown-linux-gnu" ];
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});
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rustup-toolchain-profile-missing = assertEq (builtins.tryEval (fromRustupToolchain { channel = "1.51.0"; profile = "non_existent"; })).success false;
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rustup-toolchain-profile-too-early = assertEq (builtins.tryEval (fromRustupToolchain { channel = "1.29.0"; profile = "minimal"; })).success false;
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rustup-toolchain-profile-fallback = assertEq (fromRustupToolchain { channel = "1.29.0"; }) stable."1.29.0".rust;
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rustup-toolchain-file-toml = assertEq
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(fromRustupToolchainFile ./tests/rust-toolchain-toml)
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(nightly."2021-03-25".default.override {
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extensions = [ "rustfmt" "rustc-dev" ];
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targets = [ "wasm32-unknown-unknown" "aarch64-unknown-linux-gnu" ];
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});
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rustup-toolchain-file-legacy = assertEq
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(fromRustupToolchainFile ./tests/rust-toolchain-legacy)
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nightly."2021-03-25".default;
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rustup-toolchain-file-minimal = assertEq
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(fromRustupToolchainFile ./tests/rust-toolchain-minimal)
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(nightly."2021-03-25".minimal.override {
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extensions = [ "rustfmt" "rustc-dev" ];
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targets = [ "aarch64-unknown-linux-gnu" ];
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});
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};
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checkDrvs = lib.optionalAttrs (lib.elem system [ "aarch64-linux" "x86_64-linux" ]) {
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latest-nightly-default = rust-bin.selectLatestNightlyWith (toolchain: toolchain.default);
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};
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failedAssertions =
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lib.filter (msg: msg != null) (
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lib.mapAttrsToList
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(name: { assertion, message }: if assertion
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then null
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else "Assertion `${name}` failed: ${message}\n")
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assertions);
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in if failedAssertions == []
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then checkDrvs
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else throw (builtins.toString failedAssertions);
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});
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}
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