hilsen/flake.nix

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{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
systems.url = "github:nix-systems/default";
flake-utils = {
url = "github:numtide/flake-utils";
inputs = {
systems.follows = "systems";
};
};
crane = {
url = "github:ipetkov/crane";
inputs.nixpkgs.follows = "nixpkgs";
};
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-utils.follows = "flake-utils";
};
};
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
inputs.rust-analyzer-src.follows = "";
};
advisory-db = {
url = "github:rustsec/advisory-db";
flake = false;
};
};
outputs = {
self,
flake-utils,
nixpkgs,
crane,
rust-overlay,
advisory-db,
fenix,
...
}:
flake-utils.lib.eachDefaultSystem (
system: let
overlays = [(import rust-overlay)];
pkgs = (import nixpkgs) {
inherit system overlays;
};
inherit system;
inherit (pkgs) lib;
toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
src = craneLib.cleanCargoSource (craneLib.path ./.);
# Common arguments can be set here to avoid repeating them later
commonArgs = {
inherit src;
strictDeps = true;
cargoTestExtraArgs =
"-- " +
" --skip=utils::tests::parse_timestamp_h" +
" --skip=utils::tests::parse_timestamp_hm" +
" --skip=utils::tests::parse_timestamp_hms";
cargoCheckFlags = ["--show-output"];
nativeBuildInputs = with pkgs; [xclip];
buildInputs = [
# Add additional build inputs here
] ++ lib.optionals pkgs.stdenv.isDarwin [
# Additional darwin specific inputs can be set here
pkgs.libiconv
];
# Additional environment variables can be set directly
# MY_CUSTOM_VAR = "some value";
};
craneLibLLvmTools = craneLib.overrideToolchain
(fenix.packages.${system}.complete.withComponents [
"cargo"
"llvm-tools"
"rustc"
]);
# Build *just* the cargo dependencies, so we can reuse
# all of that work (e.g. via cachix) when running in CI
cargoArtifacts = craneLib.buildDepsOnly commonArgs;
# Build the actual crate itself, reusing the dependency
# artifacts from above.
hilsen = craneLib.buildPackage (commonArgs // {
inherit cargoArtifacts;
});
in {
checks = {
# Build the crate as part of `nix flake check` for convenience
inherit hilsen;
# Run clippy (and deny all warnings) on the crate source,
# again, reusing the dependency artifacts from above.
#
# Note that this is done as a separate derivation so that
# we can block the CI if there are issues here, but not
# prevent downstream consumers from building our crate by itself.
hilsen-clippy = craneLib.cargoClippy (commonArgs // {
inherit cargoArtifacts;
cargoClippyExtraArgs = "--all-targets -- --deny warnings";
});
hilsen-doc = craneLib.cargoDoc (commonArgs // {
inherit cargoArtifacts;
});
# Check formatting
hilsen-fmt = craneLib.cargoFmt {
inherit src;
};
# Audit dependencies
hilsen-audit = craneLib.cargoAudit {
inherit src advisory-db;
};
# Audit licenses
hilsen-deny = craneLib.cargoDeny {
inherit src;
};
# Run tests with cargo-nextest
# Consider setting `doCheck = false` on `my-crate` if you do not want
# the tests to run twice
hilsen-nextest = craneLib.cargoNextest (commonArgs // {
inherit cargoArtifacts;
partitions = 1;
partitionType = "count";
});
};
packages = {
default = hilsen;
} // lib.optionalAttrs (!pkgs.stdenv.isDarwin) {
hilsen-llvm-coverage = craneLibLLvmTools.cargoLlvmCov (commonArgs // {
inherit cargoArtifacts;
});
};
apps.default = flake-utils.lib.mkApp {
drv = hilsen;
};
devShells.default = craneLib.devShell {
# Inherit inputs from checks.
checks = self.checks.${system};
# Additional dev-shell environment variables can be set directly
# MY_CUSTOM_DEVELOPMENT_VAR = "something else";
# Extra inputs can be added here; cargo and rustc are provided by default.
packages = with pkgs; [
rustup
toolchain
];
};
});
}