dev-templates/rust/flake.nix

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{
description = "A Nix-flake-based Rust development environment";
inputs = {
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nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
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rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
};
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};
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outputs = {
self,
nixpkgs,
rust-overlay,
}: let
overlays = [
rust-overlay.overlays.default
(final: prev: {
rustToolchain = let
rust = prev.rust-bin;
in
if builtins.pathExists ./rust-toolchain.toml
then rust.fromRustupToolchainFile ./rust-toolchain.toml
else if builtins.pathExists ./rust-toolchain
then rust.fromRustupToolchainFile ./rust-toolchain
else rust.stable.latest.default;
})
];
supportedSystems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
forEachSupportedSystem = f:
nixpkgs.lib.genAttrs supportedSystems (system:
f {
pkgs = import nixpkgs {inherit overlays system;};
});
in {
devShells = forEachSupportedSystem ({pkgs}: {
default = pkgs.mkShell {
packages = with pkgs; [
rustToolchain
openssl
pkg-config
cargo-deny
cargo-edit
cargo-watch
rust-analyzer
];
};
});
};
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}