0058ed1e59
After the asset-split in the previous commit the rust derivations
have no compile-time dependency on `branding/*` and the only
remaining reference to `hive-ag3nt/prompts/` is a `#[cfg(test)]`
`include_str!` of `system.md` for the prompt-renderer tests. So we
can finally narrow the src input down from `./.` (the post-naersk-
port shape) to a fileset:
fileset = lib.fileset.unions [
(craneLib.fileset.commonCargoSources ./.) # *.rs + Cargo.{toml,lock}
./hive-ag3nt/prompts # cfg(test) include_str!
];
Same `cleanSrc` is fed into all three derivations
(`buildDepsOnly`, `buildPackage`, `cargoClippy`) so the input hash
stays consistent across the chain (no surprise cache misses
between stages of the same nix build).
Verified the cache-invalidation contract by `echo '' >> <file>`
and re-evaluating `.#default.outPath`:
README.md → unchanged ✓
branding/hyperhive.{svg,png} → unchanged ✓
hive-c0re/src/main.rs → invalidates ✓
hive-ag3nt/prompts/system.md → invalidates ✓ (cfg(test))
branding/agent-configs.svg → unchanged ✓
(assets derivation rebuilds
independently)
End state: a tweak to nix modules, frontend JS, docs, README, or
any branding asset rebuilds nothing rust-side. Only Rust source
changes and prompt edits invalidate the cargo cache — and the
prompt edit is gated to tests, so the production binary derivation
is invariant to it (a follow-up could move the `include_str!` into
its own test-only fixture if even that residual coupling matters,
but the operator-visible cost today is zero).
Closes #555.
296 lines
12 KiB
Nix
296 lines
12 KiB
Nix
{
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description = "hyperhive — multi-Claude-Code-agent orchestration on nixos-containers";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
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nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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# Crane (replaces naersk #538). Stateless — no nixpkgs input to
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# follow; `crane.mkLib pkgs` returns the lib at whatever pkgs we
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# pass it (we use the project's pinned nixpkgs).
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crane.url = "github:ipetkov/crane";
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treefmt-nix = {
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url = "github:numtide/treefmt-nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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};
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outputs =
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inputs@{
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self,
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nixpkgs,
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nixpkgs-unstable,
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crane,
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treefmt-nix,
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}:
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let
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inherit (nixpkgs) lib;
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systems = [
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"aarch64-linux"
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"x86_64-linux"
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];
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treefmt-config = {
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projectRootFile = "flake.nix";
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programs = {
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keep-sorted.enable = true;
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nixfmt.enable = true;
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rustfmt.enable = true;
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taplo.enable = true;
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};
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};
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forAllSystems =
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f:
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lib.genAttrs systems (
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system:
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f rec {
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inherit system;
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pkgs = nixpkgs.legacyPackages.${system};
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treefmt-eval = treefmt-nix.lib.evalModule pkgs treefmt-config;
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craneLib = crane.mkLib pkgs;
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# Narrowed source tree the rust derivations consume.
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# `commonCargoSources` is crane's standard "everything cargo
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# cares about" filter (Cargo.toml/Cargo.lock + *.rs); we
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# union it with the one non-rust path the workspace still
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# references — `hive-ag3nt/prompts/` — which is read at
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# compile time by `hive-ag3nt::prompt::tests` via
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# `include_str!`. Branding assets + claude prompts at
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# runtime live in the `hyperhive-assets` derivation
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# (#555), so a tweak to e.g. `branding/hyperhive.svg`,
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# `README.md`, the `nix/` modules, or the frontend tree
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# does NOT bust this src hash and the rust derivations
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# stay cached.
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cleanSrc = lib.fileset.toSource {
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root = ./.;
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fileset = lib.fileset.unions [
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(craneLib.fileset.commonCargoSources ./.)
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./hive-ag3nt/prompts
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];
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};
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# Build the workspace's dependency tree once, cached as
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# its own derivation. `buildPackage` and `cargoClippy`
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# both reuse this via `inherit cargoArtifacts;` so a
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# workspace-only edit doesn't rebuild deps. All three
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# derivations consume the same `cleanSrc` so the input
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# hash stays consistent across the chain.
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cargoArtifacts = craneLib.buildDepsOnly {
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src = cleanSrc;
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# Workspace Cargo.toml is virtual (no `[package].name`),
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# so crane can't auto-derive a name. Spell it out
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# explicitly here and below — keeps the derivation name
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# stable across crane bumps + silences the placeholder
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# warning. Same `pname` everywhere so dep + workspace +
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# clippy share a clean naming family.
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pname = "hyperhive-workspace";
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version = "0.1.0";
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inherit nativeBuildInputs;
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};
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# Shared between buildDepsOnly + buildPackage + cargoClippy
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# so the three derivations see the same toolchain shape.
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# git: naersk used to auto-include it; crane is more
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# minimal, so we add it explicitly so hive-c0re's
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# `lifecycle::tests::setup_proposed_*` (which shell out to
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# `git init` + commit) pass under `cargo test` in the
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# sandbox.
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# `librsvg` used to live here for `hive-c0re/build.rs`'s
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# rsvg-convert call — that whole codepath moved into the
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# `hyperhive-assets` derivation in #555, so the rust
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# derivation no longer needs the dependency.
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nativeBuildInputs = [
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pkgs.git
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];
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}
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);
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in
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{
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packages = forAllSystems (
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{
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pkgs,
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craneLib,
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cleanSrc,
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cargoArtifacts,
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nativeBuildInputs,
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...
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}:
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{
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default = craneLib.buildPackage {
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src = cleanSrc;
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inherit cargoArtifacts nativeBuildInputs;
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pname = "hyperhive-workspace";
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version = "0.1.0";
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meta.description = "hyperhive workspace (hive-c0re, hive-ag3nt, hive-m1nd)";
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};
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# Bundled browser assets — see ./nix/frontend.nix. Output is
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# $out/{dashboard,agent}/ which the Rust binaries serve via
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# tower_http::ServeDir (wired up in Phase 4 of #273).
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frontend = pkgs.callPackage ./nix/frontend.nix {
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branding-svg = ./branding/hyperhive.svg;
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};
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# Static runtime assets the rust binaries read via
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# `assets::path()` (#555): branding/* + hive-ag3nt/prompts/*,
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# plus the rendered agent-configs.png. Split out of the
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# rust derivation so a tweak to e.g. system.md doesn't bust
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# the cargo cache.
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assets = pkgs.callPackage ./nix/assets.nix { };
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# Pre-built per-container system closures. Exposed as packages
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# so operators can `nix build .#agent-base-toplevel` (or wire
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# them into their host system closure via the
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# `preBuildAgentTemplates` option on the hive-c0re module —
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# see nix/modules/hive-c0re.nix). Speeds up the first agent
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# spawn dramatically because the heavy lifting (nixpkgs +
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# claude-code + hive-ag3nt binary) is already in the store
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# when the meta evaluator goes to build the container.
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# Closes #97.
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#
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# nixosConfigurations are pinned to x86_64-linux (nixos-
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# containers only run native arch), so these toplevels are
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# only useful on an x86_64-linux host — flake check across
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# systems still tolerates evaluating them on aarch64 because
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# they're plain derivations, but `nix build` from a non-x86
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# host would only succeed via a remote x86 builder.
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agent-base-toplevel = self.nixosConfigurations.agent-base.config.system.build.toplevel;
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manager-toplevel = self.nixosConfigurations.manager.config.system.build.toplevel;
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}
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);
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overlays = {
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default = final: prev: {
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hyperhive = self.packages.${prev.stdenv.hostPlatform.system}.default;
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# Bundled frontend dist (see ./nix/frontend.nix). Output is
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# $out/{dashboard,agent}/; consumers pick the surface they
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# need. Exposed via the overlay so containers' nix evaluations
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# can reach it as `pkgs.hyperhive-frontend` once the overlay
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# is applied (manager + agent containers both apply it via
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# `mkContainer` further down).
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hyperhive-frontend = self.packages.${prev.stdenv.hostPlatform.system}.frontend;
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# Static runtime assets (#555). Exposed alongside the binary
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# so the harness module can wire $HIVE_ASSETS_DIR straight
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# to `${pkgs.hyperhive-assets}/share/hyperhive`.
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hyperhive-assets = self.packages.${prev.stdenv.hostPlatform.system}.assets;
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};
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claude-unstable =
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final: prev:
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let
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# The overlay imports its own nixpkgs-unstable instance to
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# pin claude-code there. That instance has its own config
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# (independent from the user's prev.config), so we have to
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# set allowUnfreePredicate inline to whitelist claude-code
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# specifically — otherwise the unstable import itself
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# refuses to evaluate. This is scoped: only claude-code
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# bypasses unfree, nothing else.
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unstable = import nixpkgs-unstable {
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inherit (prev.stdenv.hostPlatform) system;
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config.allowUnfreePredicate = pkg: builtins.elem (prev.lib.getName pkg) [ "claude-code" ];
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};
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in
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{
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inherit (unstable) claude-code;
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};
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};
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nixosModules = {
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agent-base = ./nix/templates/agent-base.nix;
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manager = ./nix/templates/manager.nix;
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# The hive-c0re module wants `pkgs.hyperhive` for its default
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# `services.hive-c0re.package`. To avoid making operators apply an
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# overlay (which would also pollute their host pkgs with our
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# build), we thread the package straight from this flake's
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# `packages.<system>.default` via a `hyperhivePackage` argument.
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# The `claude-unstable` overlay only matters inside our container
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# builds (already applied internally in `nixosConfigurations`).
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hive-c0re = import ./nix/modules/hive-c0re.nix {
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hyperhivePackage = system: self.packages.${system}.default;
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hyperhiveFrontend = system: self.packages.${system}.frontend;
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hyperhiveAssets = system: self.packages.${system}.assets;
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hyperhiveFlake = "${self}";
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# Per-container toplevels — wired into `system.extraDependencies`
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# when `services.hive-c0re.preBuildAgentTemplates` is on so the
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# host system closure pre-fetches the heavy build inputs (#97).
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# Defined only for x86_64-linux because nixosConfigurations are
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# hardcoded to that system; the option's default keeps the
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# extra deps gated so aarch64 hosts don't accidentally pull
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# them in via cross-build.
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agentBaseToplevel = self.packages.x86_64-linux.agent-base-toplevel;
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managerToplevel = self.packages.x86_64-linux.manager-toplevel;
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};
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hive-forge = ./nix/modules/hive-forge.nix;
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# Convenience alias: one import covers the full hyperhive host
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# stack (hive-c0re + hive-forge, since hive-c0re already pulls
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# in hive-forge). Intended usage:
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#
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# imports = [ hyperhive.nixosModules.default ];
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# services.hive-c0re.enable = true;
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#
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default = self.nixosModules.hive-c0re;
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};
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nixosConfigurations =
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let
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mkContainer =
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module:
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nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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modules = [
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module
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{
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nixpkgs.overlays = [
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self.overlays.default
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self.overlays.claude-unstable
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];
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}
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];
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};
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in
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{
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agent-base = mkContainer self.nixosModules.agent-base;
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manager = mkContainer self.nixosModules.manager;
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};
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devShells = forAllSystems (
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{ pkgs, ... }:
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{
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default = pkgs.mkShell {
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packages = with pkgs; [
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cargo
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clippy
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librsvg # rsvg-convert — hive-c0re/build.rs invokes it (#424)
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pkg-config
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rust-analyzer
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rustc
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rustfmt
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sqlite
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];
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};
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}
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);
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formatter = forAllSystems ({ treefmt-eval, ... }: treefmt-eval.config.build.wrapper);
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checks = forAllSystems (
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{
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treefmt-eval,
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craneLib,
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cleanSrc,
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cargoArtifacts,
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nativeBuildInputs,
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...
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}:
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{
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formatting = treefmt-eval.config.build.check self;
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# Clippy as a check via crane's first-class `cargoClippy`
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# builder. Reuses the shared `cargoArtifacts` (deps already
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# built) and runs `cargo clippy --workspace --all-targets
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# -- -D warnings` directly — no `overrideAttrs` hack needed,
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# because crane parses `cargoClippyExtraArgs` correctly
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# (naersk's `mode = "clippy"` used to mangle the `--`
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# separator, which is why the old wiring went through
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# overrideAttrs).
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clippy = craneLib.cargoClippy {
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src = cleanSrc;
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inherit cargoArtifacts nativeBuildInputs;
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pname = "hyperhive-workspace";
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version = "0.1.0";
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cargoClippyExtraArgs = "--workspace --all-targets -- -D warnings";
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};
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}
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);
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};
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}
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