443                 # If the action has been marked with a preserve attribute, and

   443                 # If the action has been marked with a preserve attribute, and

   444                 # the file exists and has a content hash different from what the

   444                 # the file exists and has a content hash different from what the

   445                 # system expected it to be, then we preserve the original file

   445                 # system expected it to be, then we preserve the original file

   446                 # in some way, depending on the value of preserve.  If the

   446                 # in some way, depending on the value of preserve.  If the

   447                 # action is an overlay, then we always overwrite.

   447                 # action is an overlay, then we always overwrite.

   449                 if is_file and not overlay:

   449                 if is_file and not overlay:

   450                         chash, cdata = misc.get_data_digest(final_path)

   450                         chash, cdata = misc.get_data_digest(final_path)

   451                         if not orig or chash != orig.hash:

   451                         if not orig or chash != orig.hash:

   452                                 if pres_type in ("renameold", "renamenew"):

   452                                 if pres_type in ("renameold", "renamenew"):

   453                                         return pres_type

   453                                         return pres_type