bevy-playground/flake.nix

143 lines
4.5 KiB
Nix

{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
git-hooks.url = "github:cachix/git-hooks.nix";
git-hooks.inputs.nixpkgs.follows = "nixpkgs";
crane.url = "github:ipetkov/crane";
crane.inputs.nixpkgs.follows = "nixpkgs";
rust-overlay.url = "github:oxalica/rust-overlay";
rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
};
outputs = {
self,
git-hooks,
rust-overlay,
crane,
nixpkgs,
}: let
inherit (self) outputs;
inherit (outputs) overlays;
systems = ["aarch64-linux" "aarch64-darwin" "x86_64-darwin" "x86_64-linux"];
forSystems = nixpkgs.lib.genAttrs systems;
pkgsFor = system: ((import nixpkgs {inherit system;}).extend overlays.default).extend rust-overlay.overlays.default;
genPkgs = func: (forSystems (system: func (pkgsFor system)));
buildTimeDeps = pkgs:
with pkgs; [
pkg-config
clang
mold
wayland
clang
];
linkTimeDeps = pkgs:
with pkgs; [
mold
wayland
clang
udev
alsa-lib
vulkan-loader
libxkbcommon
xorg.libX11
xorg.libXcursor
xorg.libXi
xorg.libXrandr
];
in {
checks = genPkgs (pkgs: {
git-hooks = git-hooks.lib.${pkgs.system}.run {
src = ./.;
hooks = {
alejandra.enable = true;
# NOTE: These do not work well with `nix flake check` due to pure environments
# https://github.com/cachix/git-hooks.nix/issues/452
# cargo-check.enable = true;
# clippy = {
# enable = true;
# packageOverrides.cargo = pkgs.cargo;
# packageOverrides.clippy = pkgs.rustPackages.clippy;
# };
rustfmt = {
enable = true;
packageOverrides.rustfmt = pkgs.rustfmt;
};
};
};
build = outputs.packages.${pkgs.system}.default;
});
packages = genPkgs (pkgs: let
rustToolchainFor = p: p.rust-bin.stable.latest.default;
rustToolchain = rustToolchainFor pkgs;
craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchainFor;
src = let
# per https://github.com/ipetkov/crane/blob/529c1a0b1f29f0d78fa3086b8f6a134c71ef3aaf/docs/source-filtering.md we need the font file since we bake it into the binary as the default bevy font
fontFilter = path: _type: builtins.match ".*ttf$" path != null;
filteredSources = path: type:
(fontFilter path type) || (craneLib.filterCargoSources path type);
in
pkgs.lib.cleanSourceWith {
src = ./.; # The original, unfiltered source
filter = filteredSources;
name = "source"; # Be reproducible, regardless of the directory name
};
in {
kodotag = craneLib.buildPackage {
inherit src;
strictDeps = true;
cargoVendorDir = craneLib.vendorMultipleCargoDeps {
inherit (craneLib.findCargoFiles src) cargoConfigs;
cargoLockList = [
./Cargo.lock
# Unfortunately this approach requires IFD (import-from-derivation)
# otherwise Nix will refuse to read the Cargo.lock from our toolchain
# (unless we build with `--impure`).
#
# Another way around this is to manually copy the rustlib `Cargo.lock`
# to the repo and import it with `./path/to/rustlib/Cargo.lock` which
# will avoid IFD entirely but will require manually keeping the file
# up to date!
"${rustToolchain.passthru.availableComponents.rust-src}/lib/rustlib/src/rust/Cargo.lock"
];
};
# cargoExtraArgs = "-Z build-std --target x86_64-unknown-linux-gnu";
nativeBuildInputs = buildTimeDeps pkgs;
buildInputs = linkTimeDeps pkgs;
# hash = pkgs.lib.fakeHash;
# a hack to avoid using mold as our linker when building with nix
postUnpack = ''
ls -la
rm -r ./*/.cargo
'';
};
default = outputs.packages.${pkgs.system}.kodotag;
});
devShells = genPkgs (pkgs: {
default = pkgs.mkShell {
inherit (self.checks.${pkgs.system}.git-hooks) shellHook;
inputsFrom = [outputs.packages.${pkgs.system}.default];
packages = with pkgs; [
rustPackages.clippy
rust-analyzer
rustfmt
];
LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath (linkTimeDeps pkgs);
};
});
overlays = {
default = final: prev: {};
};
formatter = genPkgs (p: p.alejandra);
};
}