···

       
389
       
389
       
 
       
      let

     

       
390
       
390
       
 
       
        # Process mkMerge and mkIf properties.

     

       
391
       
391
       
 
       
        defs' = concatMap (m:

     

       
392
       
392
       
-
       
          map (value: { inherit (m) file; inherit value; }) (dischargeProperties m.value)

     

       
392
       
392
       
+
       
          map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))

     

       
393
       
393
       
 
       
        ) defs;

     

       
394
       
394
       
 
       


     

       
395
       
395
       
 
       
        # Process mkOverride properties.