Re: : Re: [Bug-tar] Incremental restore seems to first create then rename

[Martin Simmons]

>>>>> On Sun, 12 Sep 2004 21:31:01 +0200, Joerg Schilling <address@hidden> said:

  Jörg> Martin Simmons <address@hidden> wrote:

  >> >>>>> On Sun, 12 Sep 2004 20:23:03 +0200, "Felix E. Klee" <address@hidden> 
said:
  >> 
  Felix> Anyways, I'll look for a tool that does not backup entire directories,
  Felix> if they have only been moved since the last backup. Discovering such
  Felix> cases should be possible by looking at the inode number and the
  Felix> modification time: If the inode number and the modification time of a
  Felix> directory is identical to one stored in a previous backup, then those
  Felix> directories are identical. If the paths are different, then a move
  Felix> should take place upon restore.
  >> 
  >> I don't think that will work because inode numbers are not unique over 
time.
  >> E.g. dirs foo and bar below are not related.

  Jörg> It definitely does work. It is the way ufsdump/ufsrestore work since 
1981.

You are right, it will restore things correctly when used with the other
incremental-saving code for files.  It is just not quite right to say that it
accurately detects renamed directories.

__Martin