{
description = "Build a cargo project";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
crane = {
url = "github:ipetkov/crane";
inputs.nixpkgs.follows = "nixpkgs";
};
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
inputs.rust-analyzer-src.follows = "";
};
flake-utils.url = "github:numtide/flake-utils";
advisory-db = {
url = "github:rustsec/advisory-db";
flake = false;
};
};
outputs = {
self,
nixpkgs,
crane,
fenix,
flake-utils,
advisory-db,
...
}:
flake-utils.lib.eachDefaultSystem (system: let
pkgs = nixpkgs.legacyPackages.${system};
inherit (pkgs) lib;
craneLib =
(crane.mkLib nixpkgs.legacyPackages.${system}).overrideToolchain
fenix.packages.${system}.stable.toolchain;
src = lib.cleanSourceWith {
src = craneLib.path ./.; # The original, unfiltered source
filter = path: type: (craneLib.filterCargoSources path type) || (builtins.match ".*snap$" path != null);
};
# Common arguments can be set here to avoid repeating them later
commonArgs = {
inherit src;
strictDeps = true;
SYMBOLICA_LICENSE = builtins.getEnv "SYMBOLICA_LICENSE";
RUST_BACKTRACE = 1;
nativeBuildInputs = [
pkgs.git
pkgs.gmp.dev
pkgs.gnum4
pkgs.mpfr.dev
pkgs.cargo-insta
];
buildInputs =
[
pkgs.git
# 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}.stable.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.
spenso = craneLib.buildPackage (commonArgs
// {
inherit cargoArtifacts;
doCheck = true;
cargoExtraArgs = " --all-features";
});
in {
checks = {
# Build the crate as part of `nix flake check` for convenience
inherit spenso;
# 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.
spenso-clippy = craneLib.cargoClippy (commonArgs
// {
inherit cargoArtifacts;
cargoClippyExtraArgs = "--all-features";
});
spenso-doc = craneLib.cargoDoc (commonArgs
// {
inherit cargoArtifacts;
cargoExtraArgs = "--all-features";
});
# Check formatting
spenso-fmt = craneLib.cargoFmt {
inherit src;
};
# Audit dependencies
spenso-audit = craneLib.cargoAudit {
inherit src advisory-db;
cargoExtraArgs = "-- --all-features";
};
# Run tests with cargo-nextest
# Consider setting `doCheck = false` on `spenso` if you do not want
# the tests to run twice
spenso-nextest = craneLib.cargoNextest (commonArgs
// {
inherit cargoArtifacts;
nativeBuildInputs =
commonArgs.nativeBuildInputs
++ [
pkgs.cargo-insta
# pkgs.breakpointHook
];
partitions = 1;
partitionType = "count";
cargoNextestExtraArgs = "--all-features";
});
};
packages =
{
default = spenso;
}
// lib.optionalAttrs (!pkgs.stdenv.isDarwin) {
spenso-llvm-coverage = craneLibLLvmTools.cargoLlvmCov (commonArgs
// {
inherit cargoArtifacts;
cargoExtraArgs = "";
});
spenso-tarpaulin-coverage = craneLib.cargoTarpaulin (commonArgs
// {
inherit cargoArtifacts;
cargoTarpaulinExtraArgs = "--skip-clean --out xml --output-dir $out --all-features";
});
};
devShells.default = craneLib.devShell {
# Inherit inputs from checks.
checks = self.checks.${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 = [
pkgs.cargo-insta
pkgs.git
# pkgs.ripgrep
pkgs.quarto
pkgs.deno
pkgs.jujutsu
pkgs.nixd
pkgs.bfg-repo-cleaner
];
};
});
}
