#!/bin/bash

echo "##########"
echo "START PATCHING /srv/fai/nfsroot/usr/share/fai/setup-storage/Commands.pm"
echo ""
echo "SAVE Orinal File"
cp /srv/fai/nfsroot/usr/share/fai/setup-storage/Commands.pm /srv/fai/nfsroot/usr/share/fai/setup-storage/Commands.pm.orig

echo "CREATE Patchfile"
cat > /root/FAI_setup-storage_Commands.pm.patch <<'_EOF'
--- /srv/fai/nfsroot/usr/share/fai/setup-storage/Commands.pm.orig       2013-04-19 20:48:00.000000000 +0200
+++ /srv/fai/nfsroot/usr/share/fai/setup-storage/Commands.pm    2013-04-19 20:50:17.170737861 +0200
@@ -644,6 +644,8 @@

   if (0 == $clear_vg) {
     my $vg_setup_pre = "vgchange_a_n_VG_$vg";
+       &FAI::push_command( "vgchange -a y $vg",
+       "", "vg_enabled_for_destroy_$vg" );
     if (defined($FAI::configs{"VG_$vg"})) {
       $FAI::configs{"VG_$vg"}{exists} = 1;

@@ -664,12 +666,12 @@
           }
         }

-        &FAI::push_command( "wipefs -a $vg/$lv",
-          "vgchange_a_n_VG_$vg$pre_deps_cl",
+        &FAI::push_command( "wipefs -a /dev/$vg/$lv",
+          "vg_enabled_for_destroy_$vg$pre_deps_cl",
           "wipefs_$vg/$lv");
         &FAI::push_command( "lvremove -f $vg/$lv",
           "wipefs_$vg/$lv",
-          "lv_rm_$vg/$lv,self_cleared_/dev/$vg/$lv");
+          "lv_rm_$vg/$lv,self_cleared_$lv");
         $vg_setup_pre .= ",lv_rm_$vg/$lv";
       }
     } else {
@@ -683,18 +685,21 @@
   }

   my $vg_destroy_pre = "vgchange_a_n_VG_$vg";
+    &FAI::push_command( "vgchange -a y $vg",
+    "", "vg_enabled_for_destroy_$vg" );
+
   foreach my $lv (keys %{ $FAI::current_lvm_config{$vg}{volumes} }) {
     my $pre_deps_cl = "";
     $pre_deps_cl = ",self_cleared_" .
       join(",self_cleared_", @{ $FAI::current_dev_children{"/dev/$vg/$lv"} })
         if (defined($FAI::current_dev_children{"/dev/$vg/$lv"}) &&
           scalar(@{ $FAI::current_dev_children{"/dev/$vg/$lv"} }));
-    &FAI::push_command( "wipefs -a $vg/$lv",
-      "vgchange_a_n_VG_$vg$pre_deps_cl",
+      &FAI::push_command( "wipefs -a /dev/$vg/$lv",
+      "vg_enabled_for_destroy_$vg$pre_deps_cl",
       "wipefs_$vg/$lv");
     &FAI::push_command( "lvremove -f $vg/$lv",
       "wipefs_$vg/$lv",
-      "lv_rm_$vg/$lv,self_cleared_/dev/$vg/$lv");
++      "lv_rm_$vg/$lv,self_cleared_$lv");
     $vg_destroy_pre .= ",lv_rm_$vg/$lv";
   }
   &FAI::push_command( "vgremove $vg", "$vg_destroy_pre", "vg_removed_$vg");
_EOF

echo "EXECUTE PATCH"
patch -Np1 -i /root/FAI_setup-storage_Commands.pm.patch /srv/fai/nfsroot/usr/share/fai/setup-storage/Commands.pm

echo "END PATCHING /srv/fai/nfsroot/usr/share/fai/setup-storage/Commands.pm"
echo "##########"