rust-nix-template/flake.nix

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{
description = "bouncy";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
utils.url = "github:numtide/flake-utils";
gitignore = {
url = "github:hercules-ci/gitignore";
flake=false;
};
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rust-overlay.url = "github:oxalica/rust-overlay";
crate2nix = {
url = "github:balsoft/crate2nix/tools-nix-version-comparison";
flake = false;
};
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flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
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};
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outputs = { self, nixpkgs, utils, gitignore, rust-overlay, crate2nix, ... }:
utils.lib.eachDefaultSystem
(system:
let
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pkgs = import nixpkgs {
inherit system;
overlays = [
rust-overlay.overlay
(self: super: {
# Because rust-overlay bundles multiple rust packages into one
# derivation, specify that mega-bundle here, so that naersk
# will use them automatically.
rustc = self.rust-bin.stable.latest.default;
cargo = self.rust-bin.stable.latest.default;
})
];
};
inherit (import "${crate2nix}/tools.nix" { inherit pkgs; })
generatedCargoNix;
inherit (import gitignore { inherit (pkgs) lib; }) gitignoreSource;
project = pkgs.callPackage (generatedCargoNix {
name = "bouncy";
src = gitignoreSource ./.;
}) {
# Individual crate overrides go here
# Example: https://github.com/balsoft/simple-osd-daemons/blob/6f85144934c0c1382c7a4d3a2bbb80106776e270/flake.nix#L28-L50
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};
in rec {
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packages.bouncy = project.rootCrate.build;
# `nix build`
defaultPackage = packages.bouncy;
# `nix run`
apps.bouncy = utils.lib.mkApp {
name = "bouncy";
drv = packages.bouncy;
};
defaultApp = apps.bouncy;
# `nix develop`
devShell = pkgs.mkShell {
nativeBuildInputs = with pkgs; [ rustc cargo ];
RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
};
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}
);
}