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flake.nix
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flake.nix
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{
description = "DDC/CI monitor control over I2C";
inputs = {
flakelib.url = "github:flakelib/fl";
nixpkgs = { };
rust = {
url = "github:arcnmx/nixexprs-rust";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, flakelib, nixpkgs, rust, ... }@inputs: let
nixlib = nixpkgs.lib;
in flakelib {
inherit inputs;
systems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
devShells = {
plain = {
mkShell, writeShellScriptBin, hostPlatform
, udev
, pkg-config, python3
, libiconv
, enableRust ? true, cargo
, rustTools ? [ ]
}: mkShell {
inherit rustTools;
buildInputs =
nixlib.optional hostPlatform.isLinux udev;
nativeBuildInputs = [ pkg-config python3 ]
++ nixlib.optional enableRust cargo
++ [
(writeShellScriptBin "generate" ''nix run .#generate "$@"'')
];
RUST_LOG = "ddc=debug";
};
stable = { rust'stable, outputs'devShells'plain }: outputs'devShells'plain.override {
inherit (rust'stable) mkShell;
enableRust = false;
};
dev = { rust'unstable, outputs'devShells'plain }: outputs'devShells'plain.override {
inherit (rust'unstable) mkShell;
enableRust = false;
rustTools = [ "rust-analyzer" ];
};
default = { outputs'devShells }: outputs'devShells.plain;
};
legacyPackages = { callPackageSet }: callPackageSet {
source = { rust'builders }: rust'builders.wrapSource self.lib.crate.src;
version = { rust'builders, source }: rust'builders.check-contents {
src = source;
patterns = [
{ path = "src/lib.rs"; docs'rs = {
inherit (self.lib.crate.package) name version;
}; }
];
};
test = { rustPlatform, source }: rustPlatform.buildRustPackage {
pname = self.lib.crate.package.name;
inherit (self.lib.crate) cargoLock version;
src = source;
buildType = "debug";
meta.name = "cargo test";
};
generate = { rust'builders, outputHashes }: rust'builders.generateFiles {
paths = {
"lock.nix" = outputHashes;
};
};
outputHashes = { rust'builders }: rust'builders.cargoOutputHashes {
inherit (self.lib) crate;
};
} { };
checks = {
rustfmt = { rust'builders, source }: rust'builders.check-rustfmt-unstable {
src = source;
config = ./.rustfmt.toml;
};
version = { rust'builders, source }: rust'builders.check-contents {
src = source;
patterns = [
{ path = "src/lib.rs"; docs'rs = {
inherit (self.lib.crate.package) name version;
}; }
];
};
test = { outputs'devShells'plain, rustPlatform, source }: rustPlatform.buildRustPackage {
pname = self.lib.crate.package.name;
inherit (self.lib.crate) version cargoLock;
inherit (outputs'devShells'plain.override { enableRust = false; }) buildInputs nativeBuildInputs;
src = source;
cargoBuildFlags = [ "--all-targets" "--no-default-features" ];
cargoTestFlags = [ "--all-targets" ];
buildType = "debug";
meta.name = "cargo test";
};
};
lib = with nixlib; {
crate = rust.lib.importCargo {
path = ./Cargo.toml;
inherit (import ./lock.nix) outputHashes;
};
inherit (self.lib.crate) version;
releaseTag = "v${self.lib.version}";
};
config = rec {
name = "ddc-i2c-rs";
};
};
}