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path: root/lib/tests/test-with-nix.nix
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/**
 * Instantiate the library tests for a given Nix version.
 *
 * IMPORTANT:
 * This is used by the github.com/NixOS/nix CI.
 *
 * Try not to change the interface of this file, or if you need to, ping the
 * Nix maintainers for help. Thank you!
 */
{
  pkgs,
  lib,
  # Only ever use this nix; see comment at top
  nix,
}:

pkgs.runCommand "nixpkgs-lib-tests-nix-${nix.version}" {
  buildInputs = [
    (import ./check-eval.nix)
    (import ./maintainers.nix {
      inherit pkgs;
      lib = import ../.;
    })
    (import ./teams.nix {
      inherit pkgs;
      lib = import ../.;
    })
    (import ../path/tests {
      inherit pkgs;
    })
  ];
  nativeBuildInputs = [
    nix
    pkgs.gitMinimal
  ] ++ lib.optional pkgs.stdenv.isLinux pkgs.inotify-tools;
  strictDeps = true;
} ''
  datadir="${nix}/share"
  export TEST_ROOT=$(pwd)/test-tmp
  export HOME=$(mktemp -d)
  export NIX_BUILD_HOOK=
  export NIX_CONF_DIR=$TEST_ROOT/etc
  export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
  export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
  export NIX_STATE_DIR=$TEST_ROOT/var/nix
  export NIX_STORE_DIR=$TEST_ROOT/store
  export PAGER=cat
  cacheDir=$TEST_ROOT/binary-cache

  nix-store --init

  cp -r ${../.} lib
  echo "Running lib/tests/modules.sh"
  bash lib/tests/modules.sh

  echo "Checking lib.version"
  nix-instantiate lib -A version --eval || {
    echo "lib.version does not evaluate when lib is isolated from the rest of the nixpkgs tree"
    exit 1
  }

  echo "Running lib/tests/filesystem.sh"
  TEST_LIB=$PWD/lib bash lib/tests/filesystem.sh

  echo "Running lib/tests/sources.sh"
  TEST_LIB=$PWD/lib bash lib/tests/sources.sh

  echo "Running lib/fileset/tests.sh"
  TEST_LIB=$PWD/lib bash lib/fileset/tests.sh

  echo "Running lib/tests/systems.nix"
  [[ $(nix-instantiate --eval --strict lib/tests/systems.nix | tee /dev/stderr) == '[ ]' ]];

  mkdir $out
  echo success > $out/${nix.version}
''