a5992ad61b
This modification add a way to re-evaluate the module system with a different version of NixOS, or with a different set of arguments.
58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
{ system ? builtins.currentSystem }:
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with import ../lib/testing.nix { inherit system; };
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let
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in
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pkgs.stdenv.mkDerivation rec {
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name = "nixos-pin-version";
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src = ../..;
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buildInputs = with pkgs; [ nix gnugrep ];
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withoutPath = pkgs.writeText "configuration.nix" ''
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{
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nixos.extraModules = [ ({lib, ...}: { system.nixosRevision = lib.mkForce "ABCDEF"; }) ];
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}
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'';
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withPath = pkgs.writeText "configuration.nix" ''
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{
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nixos.path = ${src}/nixos ;
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nixos.extraModules = [ ({lib, ...}: { system.nixosRevision = lib.mkForce "ABCDEF"; }) ];
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}
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'';
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phases = "buildPhase";
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buildPhase = ''
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datadir="${pkgs.nix}/share"
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export TEST_ROOT=$(pwd)/test-tmp
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export NIX_STORE_DIR=$TEST_ROOT/store
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export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
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export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
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export NIX_STATE_DIR=$TEST_ROOT/var/nix
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export NIX_DB_DIR=$TEST_ROOT/db
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export NIX_CONF_DIR=$TEST_ROOT/etc
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export NIX_MANIFESTS_DIR=$TEST_ROOT/var/nix/manifests
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export NIX_BUILD_HOOK=
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export PAGER=cat
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cacheDir=$TEST_ROOT/binary-cache
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nix-store --init
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export NIX_PATH="nixpkgs=$src:nixos=$src/nixos:nixos-config=${withoutPath}" ;
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if test $(nix-instantiate $src/nixos -A config.system.nixosRevision --eval-only) != '"ABCDEF"' ; then :;
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else
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echo "Unexpected re-entry without the nixos.path option defined.";
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exit 1;
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fi;
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export NIX_PATH="nixpkgs=$src:nixos=$src/nixos:nixos-config=${withPath}" ;
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if test $(nix-instantiate $src/nixos -A config.system.nixosRevision --eval-only) = '"ABCDEF"' ; then :;
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else
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echo "Expected a re-entry when the nixos.path option is defined.";
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exit 1;
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fi;
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touch $out;
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'';
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}
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