Watch
0
0
Fork
You've already forked hyperhive
0
hyperhive/nix/devshell.nix
atlas 2644c0d5f9 CI and devshell comments say what the config does: jobTimeout bounds jobs, coverage runs nightly, dead timeout keys removed
Job-level timeout-minutes is parsed but not enforced by this runner; only
the runner's jobTimeout bounds a job. Also fixes the devshell coverage
comment, the shellcheck job comment, an option description citing a script
that is not in the repo, and comment file pointers that resolve to nothing.
2026-10-15 08:27:32 +02:00

54 lines
2.5 KiB
Nix

# Dev shell: the rust toolchain plus the exact native build inputs
# the crane derivations use (git, sqlite, pkg-config, cmake — see
# ./rust.nix), so a plain `cargo build` / `cargo test` in the shell
# sees the same toolchain shape as CI.
{ pkgs, rust }:
{
default = pkgs.mkShell {
# Same list the daemons are handed and the same one `checks.nix` gives
# the test derivation — `nix/reserved-names.nix`. Without it here, a
# plain `cargo test` in the shell would panic on the drift test, so a
# developer's local run and CI would disagree about a test that exists
# precisely to stop two spellings of one fact from drifting.
HIVE_RESERVED_NAMES = pkgs.lib.concatStringsSep " " (import ./reserved-names.nix);
# The `nats-server` swarm-controller's stream tests start, the same one
# `checks.nix` gives the test derivation. Those tests panic without it.
HIVE_NATS_SERVER = "${pkgs.nats-server}/bin/nats-server";
packages =
rust.nativeBuildInputs
++ (with pkgs; [
cargo
cargo-llvm-cov
clippy
rust-analyzer
rustc
rustfmt
shellcheck
# The two "prose lint (vale)" CI jobs run vale over docs/. `vale
# sync` must run once before `vale docs` and writes styles to
# $XDG_DATA_HOME, so point that at the repo like CI does:
# `XDG_DATA_HOME=$PWD/.vale-data nix develop -c sh -c 'vale sync && vale docs'`.
vale
]);
# `cargo llvm-cov` shells out to `llvm-profdata` and `llvm-cov`,
# which it expects to find as rustup's `llvm-tools-preview` beside
# the rustc toolchain. Nixpkgs has no such component, so without
# these it aborts with "failed to find llvm-tools-preview" — a
# message that reads like a missing install rather than a path the
# shell simply has to name.
#
# ⚠️ Both the variable names and the package were wrong on the first
# attempt and only the tool itself said so: it reads `LLVM_COV` /
# `LLVM_PROFDATA` (no `_PATH` suffix), and the binaries live in
# `llvmPackages.llvm` — `llvmPackages.bintools` is the linker
# wrapper and ships neither.
#
# Coverage is deliberately NOT part of `nix flake check`: an
# instrumented build cannot reuse the normal test artifacts, so it
# roughly doubles a test job. It runs nightly and on manual dispatch — see
# .forgejo/workflows/coverage.yml.
LLVM_PROFDATA = "${pkgs.llvmPackages.llvm}/bin/llvm-profdata";
LLVM_COV = "${pkgs.llvmPackages.llvm}/bin/llvm-cov";
};
}