78 lines
3.3 KiB
Nix
78 lines
3.3 KiB
Nix
{
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perSystem =
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{ pkgs, ... }:
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{
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legacyPackages = {
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setupNixInNix = ''
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set -xeu -o pipefail
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export HOME=$TMPDIR
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export NIX_STATE_DIR=$TMPDIR/nix
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export NIX_CONF_DIR=$TMPDIR/etc
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export IN_NIX_SANDBOX=1
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export CLAN_TEST_STORE=$TMPDIR/store
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# required to prevent concurrent 'nix flake lock' operations
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export LOCK_NIX=$TMPDIR/nix_lock
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mkdir -p "$CLAN_TEST_STORE/nix/store"
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mkdir -p "$CLAN_TEST_STORE/nix/var/nix/gcroots"
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if [[ -n "''${closureInfo-}" ]]; then
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# ${pkgs.findutils}/bin/xargs ${pkgs.xcp}/bin/xcp --recursive --target-directory "$CLAN_TEST_STORE/nix/store" < "$closureInfo/store-paths"
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${pkgs.findutils}/bin/xargs ${pkgs.coreutils}/bin/cp --recursive --target "$CLAN_TEST_STORE/nix/store" < "$closureInfo/store-paths"
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${pkgs.nix}/bin/nix-store --load-db --store "$CLAN_TEST_STORE" < "$closureInfo/registration"
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fi
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'';
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setupNixInNixPythonPackage = pkgs.python3Packages.buildPythonPackage {
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pname = "setup-nix-in-nix";
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version = "1.0.0";
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format = "other";
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dontUnpack = true;
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installPhase = ''
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mkdir -p $out/${pkgs.python3.sitePackages}
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cat > $out/${pkgs.python3.sitePackages}/setup_nix_in_nix.py << 'EOF'
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from os import environ
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import subprocess
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from pathlib import Path
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def setup_nix_in_nix():
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"""Set up a Nix store inside the test environment."""
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environ['HOME'] = environ['TMPDIR']
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environ['NIX_STATE_DIR'] = environ['TMPDIR'] + '/nix'
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environ['NIX_CONF_DIR'] = environ['TMPDIR'] + '/etc'
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environ['IN_NIX_SANDBOX'] = '1'
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environ['CLAN_TEST_STORE'] = environ['TMPDIR'] + '/store'
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environ['LOCK_NIX'] = environ['TMPDIR'] + '/nix_lock'
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Path(environ['CLAN_TEST_STORE'] + '/nix/store').mkdir(parents=True, exist_ok=True)
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Path(environ['CLAN_TEST_STORE'] + '/nix/var/nix/gcroots').mkdir(parents=True, exist_ok=True)
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if 'closureInfo' in environ:
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# Read store paths from the closure info file
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with open(environ['closureInfo'] + '/store-paths', 'r') as f:
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store_paths = f.read().strip().split('\n')
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# Copy store paths using absolute path to cp
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subprocess.run(
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['${pkgs.coreutils}/bin/cp', '--recursive', '--target', environ['CLAN_TEST_STORE'] + '/nix/store'] + store_paths,
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check=True
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)
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# Load the nix database using absolute path to nix-store
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with open(environ['closureInfo'] + '/registration', 'r') as f:
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subprocess.run(
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['${pkgs.nix}/bin/nix-store', '--load-db', '--store', environ['CLAN_TEST_STORE']],
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input=f.read(),
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text=True,
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check=True
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)
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EOF
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touch $out/${pkgs.python3.sitePackages}/py.typed
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'';
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doCheck = false;
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};
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};
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};
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}
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