···

       
23
       
23
       
 
       
    optionalAttrs (lhs ? packageOverrides) {

     

       
24
       
24
       
 
       
      packageOverrides = pkgs:

     

       
25
       
25
       
 
       
        optCall lhs.packageOverrides pkgs //

     

       
26
       
26
       
-
       
        optCall (attrByPath ["packageOverrides"] ({}) rhs) pkgs;

     

       
26
       
26
       
+
       
        optCall (attrByPath [ "packageOverrides" ] { } rhs) pkgs;

     

       
27
       
27
       
 
       
    } //

     

       
28
       
28
       
 
       
    optionalAttrs (lhs ? perlPackageOverrides) {

     

       
29
       
29
       
 
       
      perlPackageOverrides = pkgs:

     

       
30
       
30
       
 
       
        optCall lhs.perlPackageOverrides pkgs //

     

       
31
       
31
       
-
       
        optCall (attrByPath ["perlPackageOverrides"] ({}) rhs) pkgs;

     

       
31
       
31
       
+
       
        optCall (attrByPath [ "perlPackageOverrides" ] { } rhs) pkgs;

     

       
32
       
32
       
 
       
    };

     

       
33
       
33
       
 
       


     

       
34
       
34
       
 
       
  configType = mkOptionType {

     
···

       
67
       
67
       
 
       
  # Context for messages

     

       
68
       
68
       
 
       
  hostPlatformLine = optionalString hasHostPlatform "${showOptionWithDefLocs opt.hostPlatform}";

     

       
69
       
69
       
 
       
  buildPlatformLine = optionalString hasBuildPlatform "${showOptionWithDefLocs opt.buildPlatform}";

     

       
70
       
70
       
-
       
  platformLines = optionalString hasPlatform ''

     

       
71
       
71
       
-
       
    Your system configuration configures nixpkgs with platform parameters:

     

       
72
       
72
       
-
       
    ${hostPlatformLine

     

       
73
       
73
       
-
       
    }${buildPlatformLine

     

       
74
       
74
       
-
       
    }'';

     

       
75
       
70
       
 
       


     

       
76
       
71
       
 
       
  legacyOptionsDefined =

     

       
77
       
72
       
 
       
    optional (opt.localSystem.highestPrio < (mkDefault {}).priority) opt.system