diff -r fd87c1e3b451 -r d4942418a9ea SI/system.pm
--- a/SI/system.pm	Tue Jan 19 23:45:54 2010 +0100
+++ b/SI/system.pm	Tue Jan 19 23:48:10 2010 +0100
@@ -9,31 +9,36 @@
 $ENV{LC_ALL} = "C";
 
 sub id() {
+
     # hope it's eth* or wlan*
     local $_ = (sort grep { /^(eth|wlan)/ } `ifconfig -a`)[0];
     /^(?<dev>\S+)\s.*HWaddr\s+(?<mac>[\da-f:]+)\s*$/i
-    	and return $+{mac};
+      and return $+{mac};
     die "ERR: Can't get system identification (MAC address)\n";
 }
 
 sub hostname(\%) {
-	my $devs = shift;
-	my $mnt = tempdir(CLEANUP => 1);
-	my $r;
+    my $devs = shift;
+    my $mnt = tempdir(CLEANUP => 1);
+    my $r;
 
-	foreach my $fs (grep { $devs->{volume}{$_}{type} =~ /^ext/i } 
-		grep { exists $devs->{volume}{$_}{type} }
-		keys %{$devs->{volume}}) {
-		run("mount -r $fs $mnt");
-		if (-f "$mnt/etc/hostname") {
-			die "ERR: found 2nd hostname" if defined $r;
-			chomp($r = cat("$mnt/etc/hostname"));
-		}
-		run("umount $mnt");
-	}
+    foreach my $fs (
+        grep { $devs->{volume}{$_}{type} =~ /^ext/i }
+        grep { exists $devs->{volume}{$_}{type} }
+        keys %{ $devs->{volume} }
+      )
+    {
+        run("mount -r $fs $mnt");
+        if (-f "$mnt/etc/hostname") {
+            die "ERR: found 2nd hostname" if defined $r;
+            chomp($r = cat("$mnt/etc/hostname"));
+        }
+        run("umount $mnt");
+    }
 
-	return $r;
+    return $r;
 }
 
 1;
+
 # vim:sts=4 sw=4 aw ai si: