Work around mountconfig incorrectly handling LABEL tag

This resolves Bug 1545
Add ext4 support

mountconfig/MicroHAL.py

@@ -669,6 +669,10 @@ class MicroHAL(object):
                                 
                                 if u"volume.label" in parsed_hash:
                                     new_device.label = self._parseString(parsed_hash[u"volume.label"][0])
+                                    # If HAL returns label beginning with '#', it usually means that the
+                                    # actual label contains an Unix path. So we replace '#' with '/'.
+                                    if len(new_device.label) and new_device.label[0]=='%':
+                                        new_device.label = new_device.label.replace('%', '/')
                                 
                                 if u"volume.size" in parsed_hash:
                                     size = parsed_hash[u"volume.size"][0]

mountconfig/mountconfig.py

@@ -82,6 +82,7 @@ Supported filesystems
 nfs
 ext2
 ext3
+ext4
 reiserfs
 vfat
 ntfs
@@ -1047,6 +1048,7 @@ class MountEntry(object):
 
         'ext2' : (MountEntryExtCommonUnixLocal,i18n("Ext2 - Second Extended FS")),
         'ext3' : (MountEntryExtCommonUnixLocal,i18n("Ext3 - Third Extended FS")),
+        'ext4' : (MountEntryExtCommonUnixLocal,i18n("Ext4 - Fourth Extended FS")),
         'reiserfs' : (MountEntryExtCommonUnixLocal,i18n("ReiserFS")),
         'reiser4' : (MountEntryExtCommonUnixLocal,i18n("Reiser4")),
         'xfs' : (MountEntryExtCommonUnixLocal,i18n("XFS - SGI's journaling filesystem")),
@@ -2389,6 +2391,7 @@ class MountEntryDialog(KDialogBase):
     MountTypeEditorsDisk = {
         'ext2' : MountEntryDialogOptionsCommonUnix,
         'ext3' : MountEntryDialogOptionsCommonUnix,
+        'ext4' : MountEntryDialogOptionsCommonUnix,
         'reiserfs' : MountEntryDialogOptionsCommonUnix,
         'reiser4' : MountEntryDialogOptionsCommonUnix,
         'xfs' : MountEntryDialogOptionsCommonUnix,