nixpkgs-suyu/nixos/tests/nixos-pin-version.nix

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{ system ? builtins.currentSystem }:
with import ../lib/testing.nix { inherit system; };
let
in
pkgs.stdenv.mkDerivation rec {
name = "nixos-pin-version";
src = ../..;
buildInputs = with pkgs; [ nix gnugrep ];
withoutPath = pkgs.writeText "configuration.nix" ''
{
nixos.extraModules = [ ({lib, ...}: { system.nixosRevision = lib.mkForce "ABCDEF"; }) ];
}
'';
withPath = pkgs.writeText "configuration.nix" ''
{
nixos.path = ${src}/nixos ;
nixos.extraModules = [ ({lib, ...}: { system.nixosRevision = lib.mkForce "ABCDEF"; }) ];
}
'';
phases = "buildPhase";
buildPhase = ''
datadir="${pkgs.nix}/share"
export TEST_ROOT=$(pwd)/test-tmp
export NIX_STORE_DIR=$TEST_ROOT/store
export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
export NIX_STATE_DIR=$TEST_ROOT/var/nix
export NIX_DB_DIR=$TEST_ROOT/db
export NIX_CONF_DIR=$TEST_ROOT/etc
export NIX_MANIFESTS_DIR=$TEST_ROOT/var/nix/manifests
export NIX_BUILD_HOOK=
export PAGER=cat
cacheDir=$TEST_ROOT/binary-cache
nix-store --init
export NIX_PATH="nixpkgs=$src:nixos=$src/nixos:nixos-config=${withoutPath}" ;
if test $(nix-instantiate $src/nixos -A config.system.nixosRevision --eval-only) != '"ABCDEF"' ; then :;
else
echo "Unexpected re-entry without the nixos.path option defined.";
exit 1;
fi;
export NIX_PATH="nixpkgs=$src:nixos=$src/nixos:nixos-config=${withPath}" ;
if test $(nix-instantiate $src/nixos -A config.system.nixosRevision --eval-only) = '"ABCDEF"' ; then :;
else
echo "Expected a re-entry when the nixos.path option is defined.";
exit 1;
fi;
touch $out;
'';
}