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chore: Apply nixfmt

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(cherry picked from commit d11c2029c5a33ec522f46dd3e00fec8db2c3729b)
This commit is contained in:
Robert Hensing 2025-08-26 14:52:12 +02:00
parent eba8c06c9d
commit 83dece62b2
3 changed files with 184 additions and 138 deletions
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132
rust/nci.nix
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@ -1,69 +1,83 @@
{
perSystem = { lib, config, pkgs, ... }: {
# https://flake.parts/options/nix-cargo-integration
nci.projects.nix-bindings = {
path = ./.;
drvConfig = {
mkDerivation = {
buildInputs = [
# stdbool.h
pkgs.stdenv.cc
] ++
(if config.packages.nix?libs
then
let l = config.packages.nix.libs; in [
l.nix-expr-c
l.nix-store-c
l.nix-util-c
l.nix-flake-c
perSystem =
{
lib,
config,
pkgs,
...
}:
{
# https://flake.parts/options/nix-cargo-integration
nci.projects.nix-bindings = {
path = ./.;
drvConfig = {
mkDerivation = {
buildInputs = [
# stdbool.h
pkgs.stdenv.cc
]
else [ config.packages.nix ]);
nativeBuildInputs = [
pkgs.pkg-config
];
# bindgen uses clang to generate bindings, but it doesn't know where to
# find our stdenv cc's headers, so when it's gcc, we need to tell it.
postConfigure = lib.optionalString pkgs.stdenv.cc.isGNU ''
source ${./bindgen-gcc.sh}
'';
# Prepare the environment for Nix to work.
# Nix does not provide a suitable environment for running itself in
# the sandbox - not by default. We configure it to use a relocated store.
preCheck = ''
# nix needs a home directory
export HOME="$(mktemp -d $TMPDIR/home.XXXXXX)"
++ (
if config.packages.nix ? libs then
let
l = config.packages.nix.libs;
in
[
l.nix-expr-c
l.nix-store-c
l.nix-util-c
l.nix-flake-c
]
else
[ config.packages.nix ]
);
nativeBuildInputs = [
pkgs.pkg-config
];
# bindgen uses clang to generate bindings, but it doesn't know where to
# find our stdenv cc's headers, so when it's gcc, we need to tell it.
postConfigure = lib.optionalString pkgs.stdenv.cc.isGNU ''
source ${./bindgen-gcc.sh}
'';
# Prepare the environment for Nix to work.
# Nix does not provide a suitable environment for running itself in
# the sandbox - not by default. We configure it to use a relocated store.
preCheck = ''
# nix needs a home directory
export HOME="$(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
# 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..."
echo "Configuring relocated store at $NIX_REMOTE..."
# Init ahead of time, because concurrent initialization is flaky
${# Not using nativeBuildInputs because this should (hopefully) be
# the only place where we need a nix binary. Let's stay in control.
pkgs.buildPackages.nix}/bin/nix-store --init
# Init ahead of time, because concurrent initialization is flaky
${
# Not using nativeBuildInputs because this should (hopefully) be
# the only place where we need a nix binary. Let's stay in control.
pkgs.buildPackages.nix
}/bin/nix-store --init
echo "Store initialized."
'';
};
# NOTE: duplicated in flake.nix devShell
env = {
LIBCLANG_PATH =
lib.makeLibraryPath [ pkgs.buildPackages.llvmPackages.clang-unwrapped ];
BINDGEN_EXTRA_CLANG_ARGS =
# Work around missing [[deprecated]] in clang
"-x c++ -std=c++2a";
} // lib.optionalAttrs pkgs.stdenv.cc.isGNU {
# Avoid cc wrapper, because we only need to add the compiler/"system" dirs
NIX_CC_UNWRAPPED = "${pkgs.stdenv.cc.cc}/bin/gcc";
echo "Store initialized."
'';
};
# NOTE: duplicated in flake.nix devShell
env = {
LIBCLANG_PATH = lib.makeLibraryPath [ pkgs.buildPackages.llvmPackages.clang-unwrapped ];
BINDGEN_EXTRA_CLANG_ARGS =
# Work around missing [[deprecated]] in clang
"-x c++ -std=c++2a";
}
// lib.optionalAttrs pkgs.stdenv.cc.isGNU {
# Avoid cc wrapper, because we only need to add the compiler/"system" dirs
NIX_CC_UNWRAPPED = "${pkgs.stdenv.cc.cc}/bin/gcc";
};
};
};
};
};
}