{
description = "todo";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
crane.url = "github:ipetkov/crane";
crane.inputs.nixpkgs.follows = "nixpkgs";
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-utils.follows = "flake-utils";
};
};
advisory-db = {
url = "github:rustsec/advisory-db";
flake = false;
};
treefmt-nix.url = "github:numtide/treefmt-nix";
};
outputs = {
self,
nixpkgs,
crane,
flake-utils,
rust-overlay,
advisory-db,
treefmt-nix,
...
}:
flake-utils.lib.eachDefaultSystem (system: let
pkgs = import nixpkgs {
inherit system;
overlays = [(import rust-overlay)];
};
nightlyRust = pkgs.rust-bin.nightly.latest.default;
inherit (pkgs) lib;
craneLib = crane.lib.${system};
toolchain = with pkgs; [
nightlyRust
#cargo
#rustc
#rustfmt
clippy
rust-analyzer
cargo-nextest
cargo-limit
cargo-audit
cargo-limit
cargo-watch
nixpkgs-fmt
bats
(treefmt-nix.lib.mkWrapper pkgs (import ./treefmt.nix))
];
src = craneLib.cleanCargoSource ./.;
# Common derivation arguments used for all builds
commonArgs = {
inherit src;
cargoVendorDir = null;
};
# 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
// {
# Additional arguments specific to this derivation can be added here.
# Be warned that using `//` will not do a deep copy of nested
# structures
pname = "collections";
});
# Run clippy (and deny all warnings) on the crate source,
# resuing the dependency artifacts (e.g. from build scripts or
# proc-macros) from above.
#
# Note that this is done as a separate derivation so it
# does not impact building just the crate by itself.
myCrateClippy = craneLib.cargoClippy (commonArgs
// {
# Again we apply some extra arguments only to this derivation
# and not every where else. In this case we add some clippy flags
inherit cargoArtifacts;
cargoClippyExtraArgs = "--all-targets -- --deny warnings";
});
# Build the actual crate itself, reusing the dependency
# artifacts from above.
myCrate = craneLib.buildPackage (commonArgs
// {
inherit cargoArtifacts;
});
# Also run the crate tests under cargo-tarpaulin so that we can keep
# track of code coverage
myCrateCoverage = craneLib.cargoTarpaulin (commonArgs
// {
inherit cargoArtifacts;
});
myCrateDoc = craneLib.cargoDoc (commonArgs
// {
inherit cargoArtifacts;
});
myCrateFormat = craneLib.cargoFmt (commonArgs
// {
inherit cargoArtifacts;
});
myCrateAudit = craneLib.cargoAudit (commonArgs
// {
inherit cargoArtifacts advisory-db;
});
# Run tests with cargo-nextest
myCrateNextest = craneLib.cargoNextest (commonArgs
// {
inherit cargoArtifacts;
partitions = 1;
partitionType = "count";
});
in {
packages = {
crate = myCrate;
fmt = myCrateFormat;
clippy = myCrateClippy;
audit = myCrateAudit;
doc = myCrateDoc;
};
packages.default = myCrate;
devShell = pkgs.mkShell {
buildInputs = toolchain;
};
});
}