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2026-05-29 14:58:38 +02:00
{
description = "Storage engine playground: Rust workspace for FlowLog, DBSP, CRDT, and Geomerge experiments.";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, nixpkgs, flake-utils, rust-overlay }:
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ rust-overlay.overlays.default ];
};
# Edition 2024 requires Rust >= 1.85. Pin to a recent stable.
rustToolchain = pkgs.rust-bin.stable.latest.default.override {
extensions = [ "rust-src" "rust-analyzer" "clippy" "rustfmt" ];
};
in
{
devShells.default = pkgs.mkShell {
name = "storage-engine-playground";
packages = [
rustToolchain
# Diagram regeneration in crates/geomerge-demo/docs/diagrams.
pkgs.graphviz
# Cargo helpers.
pkgs.cargo-watch
pkgs.cargo-nextest
# Pre-commit hooks (see .pre-commit-config.yaml, Makefile setup-hooks).
pkgs.pre-commit
pkgs.python3
];
env = {
RUST_BACKTRACE = "1";
};
shellHook = ''
echo "storage-engine-playground dev shell"
echo " rustc: $(rustc --version)"
echo " cargo: $(cargo --version)"
echo " dot: $(dot -V 2>&1)"
'';
};
formatter = pkgs.nixpkgs-fmt;
});
}