Improve the formatting of nested ternaries in Perl

Add --warn-nested-ternaries to perltidy code checks.

Author: Julien-Elie

Makefile

@@ -272,7 +272,7 @@ code-check:
 	fi ; \
         if command -v "perltidy" >/dev/null 2>&1; then \
             echo "Running perltidy to check Perl code..." ; \
-            perltidy -se -wma -wmauc=0 -wmr -wuk \
+            perltidy -se -wma -wmauc=0 -wmr -wnt -wuk \
                 -wvt='c p r u' -wvxl='*_unused' $$F ; \
         else \
             echo "Skipping Perl code checking (perltidy not found)" ; \

frontends/cnfsstat.in

@@ -377,11 +377,12 @@ sub read_storageconf {
 
             $key{'SIZE'} .= ",0" unless $key{'SIZE'} =~ /,/;
             $key{'SIZE'} =~ s/,/:/;
-            $key{'FILTERED'}
-              = defined $key{'FILTERED'}
-              ? $key{'FILTERED'} =~ /^(true|yes|on)$/i
+            $key{'FILTERED'} = defined $key{'FILTERED'}
+              ? (
+                  $key{'FILTERED'} =~ /^(true|yes|on)$/i
                   ? 1
                   : 0
+              )
               : 0;
 
             if (!defined $stor{ $key{'OPTIONS'} }) {