--- a/bin/dnsvi	Fri May 23 11:46:36 2014 +0200
+++ b/bin/dnsvi	Fri May 23 11:48:42 2014 +0200
@@ -3,7 +3,7 @@
 use 5.010;
 use strict;
 use warnings;
-use if $ENV{DEBUG}//'' eq 'dnsvi' => 'Smart::Comments';
+use if $ENV{DEBUG} // '' eq 'dnsvi' => 'Smart::Comments';
 use File::Temp;
 use Getopt::Long;
 use Pod::Usage;
@@ -15,13 +15,13 @@
     my %o = (
         key    => undef,
         server => undef,
-	debug => undef,
+        debug  => undef,
     );
 
     GetOptions(
         'k|key=s'    => \$o{key},
         's|server=s' => \$o{server},
-	'd|debug!'  => \$o{debug},
+        'd|debug!'   => \$o{debug},
       )
       && @ARGV == 1
       or pod2usage();
@@ -46,28 +46,34 @@
     my @zone2 = parse(<$tmp>);
     my ($add, $del) = delta(\@zone1, \@zone2);
 
-    my $orig_soa = (grep { $_->{rrtype} eq 'SOA' } map { $_->{rrset} } @zone1)[0]; 
+    my $orig_soa =
+      (grep { $_->{rrtype} eq 'SOA' } map { $_->{rrset} } @zone1)[0];
 
     my @cmds = (
-	# 'prereq yxrrset {domain-name} [class] {type} {data…',
-	"prereq yxrrset @{$orig_soa}{qw{label rrtype data}}",
-	(map { "update add $_" } @$add),
-	(map { "update delete $_" } @$del));
+
+        # 'prereq yxrrset {domain-name} [class] {type} {data…',
+        "prereq yxrrset @{$orig_soa}{qw{label rrtype data}}",
+        (map { "update add $_" } @$add),
+        (map { "update delete $_" } @$del)
+    );
 
     print <<_EOF, join "\n" => @cmds, '';
 # The following commands are about to be sent via nsupdate
 # to the master server:
 _EOF
-print '# Please confirm (yes/no): ';
-return 1 if <STDIN> ne "yes\n";
+    print '# Please confirm (yes/no): ';
+    return 1 if <STDIN> ne "yes\n";
 
-    my @nsupdate = ('nsupdate', defined $o{debug} ? ('-d') : (), defined $o{key} ? (-k => $o{key}) : ());
+    my @nsupdate = (
+        'nsupdate',
+        defined $o{debug} ? ('-d') : (),
+        defined $o{key} ? (-k => $o{key}) : ()
+    );
     open(my $nsupdate, '|-') or do {
-	exec @nsupdate;
-	die "Can't exec @nsupdate: $!\n";
+        exec @nsupdate;
+        die "Can't exec @nsupdate: $!\n";
     };
-    say $nsupdate join "\n", @cmds, 
-	'show', 'send', 'answer';
+    say $nsupdate join "\n", @cmds, 'show', 'send', 'answer';
     close($nsupdate);
     say "nsupdate returned $?";
     return 0;