Merge remote-tracking branch 'ni/master'

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/default.nix b/lib/default.nix
index 347830e8c..8ba55b571 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -9,6 +9,7 @@ let
     krops = import ../submodules/krops/lib;
     shell = import ./shell.nix { inherit lib; };
     types = nixpkgs-lib.types // import ./types.nix { inherit lib; };
+    xml = import ./xml.nix { inherit lib; };
 
     eq = x: y: x == y;
     ne = x: y: x != y;
@@ -145,6 +146,11 @@ let
     in
       filter (x: x != []) ([acc.chunk] ++ acc.chunks);
 
+    warnOldVersion = oldName: newName:
+      if compareVersions oldName newName != -1 then
+        trace "Upstream `${oldName}' gets overridden by `${newName}'." newName
+      else
+        newName;
   };
 in