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