use full path for current_file I think its more meaningful, and also extra optimisation - if same md5 hash, dont redo thumbnail

pa_job_manager.py

@@ -568,7 +568,7 @@ def JobsForPaths( parent_job, paths, ptype ):
 # and then add a log to say we have processed this file
 ##############################################################################
 def ProcessFileForJob(job, message, current_file):
-    job.current_file=os.path.basename(current_file)
+    job.current_file=current_file
     if job.num_files:
         job.current_file_num=job.current_file_num+1
     AddLogForJob(job, message )
@@ -1314,7 +1314,13 @@ def GenHashAndThumb(job, e):
         job.current_file_num+=1
         return
 
-    e.file_details.hash = md5( job, e.FullPathOnFS() )
+    new_hash = md5( job, e.FullPathOnFS() )
+    if new_hash == e.file_details.hash:
+        if DEBUG:
+            print(f"OPTIM: GenHashAndThumb {e.name} md5 is same - likely a mv on filesystem so skip md5/thumb")
+        job.current_file_num+=1
+        return
+    e.file_details.hash = new_hash
     if e.type.name == 'Image':
         e.file_details.thumbnail = GenImageThumbnail( job, e.FullPathOnFS() )
     elif e.type.name == 'Video':