--- a/check_ldap_repl.pl	Tue Apr 19 15:50:36 2016 +0200
+++ b/check_ldap_repl.pl	Tue Apr 19 15:53:09 2016 +0200
@@ -35,11 +35,11 @@
 use if $ENV{DEBUG} => "Smart::Comments";
 
 my %ERRORS = (
-	OK        => 0,
-	WARNING   => 1,
-	CRITICAL  => 2,
-	UNKNOWN   => 3,
-	DEPENDENT => 4
+    OK        => 0,
+    WARNING   => 1,
+    CRITICAL  => 2,
+    UNKNOWN   => 3,
+    DEPENDENT => 4
 );
 
 my $ME      = basename $0;
@@ -66,7 +66,8 @@
 sub stamp {
     my ($u, $dn, $attr) = @_;
 
-    my $l = ref $u eq 'Net::LDAP' ? $u : Net::LDAP->new($u, onerror => 'die') or die "$@";
+    my $l = ref $u eq 'Net::LDAP' ? $u : Net::LDAP->new($u, onerror => 'die')
+      or die "$@";
     my $r = $l->search(base => $dn, scope => 'base', filter => '(objectClass=*)');
     die "unexpected result count: ", $r->count unless $r->count == 1;
     my @v = $r->entry(0)->get_value($attr);
@@ -76,9 +77,9 @@
 }
 
 sub version {
-	my ( $progname, $version ) = @_;
-	
-	print <<_VERSION;
+    my ($progname, $version) = @_;
+
+    print <<_VERSION;
 $progname version $version
 Copyright (C) 2012 by Christian Arnold and Schlittermann internet & unix support.
 Copyright (C) 2016 by Matthias Förste and Schlittermann internet & unix support.
@@ -91,31 +92,42 @@
 
 MAIN: {
 
-    my $c = AppConfig->new( { CASE => 1 },
-        map { $_, { ref $defaults->{$_} eq 'CODE' ? 'ACTION' : 'DEFAULT' => $defaults->{$_} } } keys %{$defaults}
+    my $c = AppConfig->new(
+        { CASE => 1 },
+        map {
+            $_,
+              { ref $defaults->{$_} eq 'CODE'
+                ? 'ACTION'
+                : 'DEFAULT' => $defaults->{$_} }
+        } keys %{$defaults}
     ) or die "Can't initialize";
 
     my $cf = $c->get('config');
+
     # ignore default configuration file if it does not exist
     $c->file($cf) if -e $cf;
 
     # read configuration file if passed on command line
     $c->getopt(qw(no_ignore_case));
     $c->file($cf) if $cf ne ($cf = $c->get('config'));
+
     # make sure that command line options override any config file options
     $c->getopt;
 
     my %o = $c->varlist('.');
     my $t = time();
 
-    my $p = Net::LDAP->new($o{provider}, onerror => 'die' ) or die $@;
+    my $p = Net::LDAP->new($o{provider}, onerror => 'die') or die $@;
     $p->bind($o{binddn}, password => $o{password});
     $p->modify($o{dn}, replace => { $o{attribute} => $t });
 
     my $tp = stamp($p, $o{dn}, $o{attribute});
     die "Provider update failed for unknown reason\n" unless $tp == $t;
     sleep $o{wait};
-    for (@{$o{consumer}}) { critical "'$_' out of sync\n" unless $tp == stamp($_, $o{dn}, $o{attribute}); }
+    for (@{ $o{consumer} }) {
+        critical "'$_' out of sync\n"
+          unless $tp == stamp($_, $o{dn}, $o{attribute});
+    }
 
     print "$NAME OK: servers are in sync\n";
     exit $ERRORS{OK};