Revert "Add a way to pin a NixOS version within the module system."

This reverts commit a5992ad61b314104aff7e28a41ce101a1b0e7c35. Motivation:

https://github.com/NixOS/nixpkgs/commit/a5992ad61b314104aff7e28a41ce101a1b0e7c35#commitcomment-14986820

1 files changed, 0 insertions, 57 deletions

diff --git a/nixos/tests/nixos-pin-version.nix b/nixos/tests/nixos-pin-version.nix
deleted file mode 100644
index 91fba2e759d..00000000000
--- a/nixos/tests/nixos-pin-version.nix
+++ /dev/null
@@ -1,57 +0,0 @@
-{ 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;
-  '';
-}