{ description = "The cargo-changelog binary"; inputs = { nixpkgs.url = "nixpkgs/nixos-22.05"; flake-utils = { url = "github:numtide/flake-utils"; inputs.nixpkgs.follows = "nixpkgs"; }; 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"; }; }; }; outputs = { self, nixpkgs, crane, flake-utils, rust-overlay, ... }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; overlays = [ (import rust-overlay) ]; }; rustTarget = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain; craneLib = (crane.mkLib pkgs).overrideToolchain rustTarget; tomlInfo = craneLib.crateNameFromCargoToml { cargoToml = ./Cargo.toml; }; inherit (tomlInfo) pname version; src = ./.; cargoArtifacts = craneLib.buildDepsOnly { inherit src; buildInputs = [ pkgs.pkg-config pkgs.openssl ]; }; changelog = craneLib.buildPackage { inherit cargoArtifacts src pname version; buildInputs = [ pkgs.pkg-config pkgs.openssl ]; doCheck = false; }; in rec { checks = { inherit changelog; changelog-clippy = craneLib.cargoClippy { inherit cargoArtifacts src; cargoClippyExtraArgs = "-- --deny warnings"; }; changelog-fmt = craneLib.cargoFmt { inherit src; }; }; apps.changelog = flake-utils.lib.mkApp { name = pname; drv = changelog; }; apps.default = apps.changelog; packages.changelog = changelog; packages.default = packages.changelog; devShells.default = devShells.changelog; devShells.changelog = pkgs.mkShell { nativeBuildInputs = [ rustTarget ]; }; } ); }