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-rw-r--r--lib/trivial.nix3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/trivial.nix b/lib/trivial.nix
index 3f0816b5540..2d682961035 100644
--- a/lib/trivial.nix
+++ b/lib/trivial.nix
@@ -259,9 +259,10 @@ rec {
   # TODO: figure out a clever way to integrate location information from
   # something like __unsafeGetAttrPos.
 
-  warn = msg: builtins.trace "WARNING: ${msg}";
+  warn = msg: builtins.trace "warning: ${msg}";
   info = msg: builtins.trace "INFO: ${msg}";
 
+  showWarnings = warnings: res: lib.fold (w: x: warn w x) res warnings;
 
   ## Function annotations