anchor.diff:      cp -RL "$icon" "$out/${executableName}.app/"
     done
     set +x
  -''
  +''
positive.code:   # App ID in your Apple developer account.
    hosts ? []
  
  , extraInfoPlistContent ? ""
  }:
  
  nixpkgs.runCommand "${executableName}-app" (rec {
    exePath = package ghcIosArm64;
    infoPlist = builtins.toFile "Info.plist" (''
  
negative.code:       <string>10.2</string>
        <key>DTPlatformBuild</key>
        <string>14C89</string>
  
        ${concatStringsSep "\n" (mapAttrsToList
          (k: v: "<key>${k}</key>${v}")
          (overrideInfoPlistByKey defaultPliskByKey)
        )}
  
        ${extraInfoPlistContent}
      </dict>
      </plist>
    '');
  