RESOLVED #32 regression, always transferring full snapshots

UPDATED readme, version

Author: masc3d

btrfs_sxbackup/__init__.py

@@ -5,7 +5,7 @@
 # Software Foundation; either version 2 of the License, or (at your option)
 # any later version.
 
-__version__ = '0.6.8'
+__version__ = '0.6.9'
 __author__ = 'Marco Schindler'
 __email__ = '[email protected]'
 __maintainer__ = '[email protected]'

btrfs_sxbackup/core.py

@@ -966,6 +966,9 @@ def run(self):
         # btrfs send command/subprocess
         source_parent_path = None
         if len(self.source.snapshots) > 0:
+            # Indicates if an incremental snapshot can/should be performed
+            incremental = False
+
             # Latest source and destination snapshot timestamp has to match for incremental transfer
             if self.destination is not None:
                 if len(self.destination.snapshots) > 0:
@@ -974,10 +977,16 @@ def run(self):
                             ('Latest timestamps of source [%s] and destination [%s] do not match. A full snapshot will '
                              'be transferred')
                             % (self.source.snapshots[0].name.timestamp, self.destination.snapshots[0].name.timestamp))
+                    else:
+                        incremental = True
                 else:
                     _logger.warn('Destination has no snapshots, a full snapshot will be transferred')
 
             else:
+                incremental = True
+
+            # Set source parent path in case incremental transfer is applicable
+            if incremental:
                 source_parent_path = os.path.join(self.source.container_subvolume_path,
                                                   str(self.source.snapshots[0].name))