nixide/nci.nix
John Ericson dbb00333b1 Split monolithic raw crates into sys crates
Creating a crate for bwd-gc highlights the fact that it would be nice to
fix 2!

The file blocklist is a lost less unmaintainable then the more
fine-grained one we had before.

Fix #9
2026-01-12 19:48:45 -05:00

103 lines
4.2 KiB
Nix

{
perSystem =
{
config,
pkgs,
...
}:
let
cfg = config.nix-bindings-rust;
nixLibs =
if cfg.nixPackage ? libs then
cfg.nixPackage.libs
else
# Fallback for older Nix versions without split libs
{
nix-util-c = cfg.nixPackage;
nix-store-c = cfg.nixPackage;
nix-expr-c = cfg.nixPackage;
nix-fetchers-c = cfg.nixPackage;
nix-flake-c = cfg.nixPackage;
};
in
{
# https://flake.parts/options/nix-cargo-integration
nci.projects.nix-bindings = {
path = ./.;
profiles = {
dev.drvConfig.env.RUSTFLAGS = "-D warnings";
release.runTests = true;
};
drvConfig = {
imports = [
# Downstream projects import this into depsDrvConfig instead
config.nix-bindings-rust.nciBuildConfig
];
# Extra settings for running the tests
mkDerivation = {
# Prepare the environment for Nix to work.
# Nix does not provide a suitable environment for running itself in
# the sandbox - not by default. We configure it to use a relocated store.
preCheck = ''
# nix needs a home directory
export HOME="$(mktemp -d $TMPDIR/home.XXXXXX)"
# configure a relocated store
store_data=$(mktemp -d $TMPDIR/store-data.XXXXXX)
export NIX_REMOTE="$store_data"
export NIX_BUILD_HOOK=
export NIX_CONF_DIR=$store_data/etc
export NIX_LOCALSTATE_DIR=$store_data/nix/var
export NIX_LOG_DIR=$store_data/nix/var/log/nix
export NIX_STATE_DIR=$store_data/nix/var/nix
echo "Configuring relocated store at $NIX_REMOTE..."
# Create nix.conf with experimental features enabled
mkdir -p "$NIX_CONF_DIR"
echo "experimental-features = ca-derivations flakes" > "$NIX_CONF_DIR/nix.conf"
# Init ahead of time, because concurrent initialization is flaky
${cfg.nixPackage}/bin/nix-store --init
echo "Store initialized."
'';
};
};
};
# Per-crate configuration: only provide the specific Nix libs each crate needs
# FIXME should use propagatedBuildInputs
nci.crates.nix-bindings-bdwgc-sys.drvConfig.mkDerivation.buildInputs = [
pkgs.boehmgc
];
nci.crates.nix-bindings-util-sys.drvConfig.mkDerivation.buildInputs = [
nixLibs.nix-util-c
];
nci.crates.nix-bindings-util.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-util-sys.drvConfig.mkDerivation.buildInputs;
nci.crates.nix-bindings-store-sys.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-util-sys.drvConfig.mkDerivation.buildInputs
++ [ nixLibs.nix-store-c ];
nci.crates.nix-bindings-store.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-store-sys.drvConfig.mkDerivation.buildInputs;
nci.crates.nix-bindings-expr-sys.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-store-sys.drvConfig.mkDerivation.buildInputs
++ [
nixLibs.nix-expr-c
pkgs.boehmgc
];
nci.crates.nix-bindings-expr.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-expr-sys.drvConfig.mkDerivation.buildInputs;
nci.crates.nix-bindings-fetchers-sys.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-expr-sys.drvConfig.mkDerivation.buildInputs
++ [ nixLibs.nix-fetchers-c ];
nci.crates.nix-bindings-fetchers.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-fetchers-sys.drvConfig.mkDerivation.buildInputs;
nci.crates.nix-bindings-flake-sys.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-fetchers-sys.drvConfig.mkDerivation.buildInputs
++ [ nixLibs.nix-flake-c ];
nci.crates.nix-bindings-flake.drvConfig.mkDerivation.buildInputs =
config.nci.crates.nix-bindings-flake-sys.drvConfig.mkDerivation.buildInputs;
};
}