Use vol_id if available since the version of blkid in lenny does not support the output format we need (Closes: #576608)

svn path=/dists/sid/linux-2.6/; revision=15509

debian/changelog

@@ -14,6 +14,8 @@ linux-2.6 (2.6.32-12) UNRELEASED; urgency=low
       (Closes: #577047)
     - Check device IDs in mdadm.conf rather than assuming it needs manual
       conversion
+    - Use vol_id if available since the version of blkid in lenny does not
+      support the output format we need (Closes: #576608)
 
   [ maximilian attems]
   * Ignore ABI breakage due to libata switch.

debian/linux-base.postinst

@@ -1245,10 +1245,16 @@ sub add_tag {
 }
 
 sub scan_devices {
+    my $id_command;
+    if (-x '/sbin/vol_id') {
+	$id_command = '/sbin/vol_id';
+    } else {
+	$id_command = 'blkid -o udev -s LABEL -s UUID';
+    }
     for (`blkid -o device`) {
 	chomp;
 	my $bdev = $_;
-	for (`blkid -o udev -s LABEL -s UUID '$bdev'`) {
+	for (`$id_command '$bdev'`) {
 	    if (/^ID_FS_(LABEL|UUID)_ENC=(.+)\n$/) {
 		add_tag($bdev, $1, $2);
 	    }

debian/templates/control.main.in

@@ -79,7 +79,8 @@ Description: Support files for Linux @upstreamversion@
 
 Package: linux-base
 Architecture: all
-Depends: libapt-pkg-perl, libuuid-perl, ${misc:Depends}
+Depends: libapt-pkg-perl, libuuid-perl, ${misc:Depends},
+ util-linux (>= 2.16-1) | udev (<< 146-1)
 Description: Linux image base package
  This package contains files and support scripts for all Linux
  images.