[Duplicity-talk] Option like rsync --fuzzy ?

[Vlada Macek]

Hello,

the main question:

    Is it planned to make duplicity able to handle renaming/moving? I
    tried to rename the group of extensions jpg->JPG and all files were
    stored again as an increment.


Background:

    Having pointed to this project by a friend, I'm investigating its
    usability for the backups of my servers. The feature list is
    interesting and goes beyond the capabilities of script tooling I
    created and use. There is one point I didn't find in documentation
    or source.

    The rsync utility offers interesting option --fuzzy: "It tells rsync
    that it should look for a basis file for any destination file that
    is missing. The current algorithm looks in the same directory as the
    destination file for either a file that has an identical size and
    modified-time, or a similarly-named file. If found, rsync uses the
    fuzzy basis file to try to speed up the transfer.".

    The --fuzzy shines when I rename lots of big photos, rsync fixes the
    destination relatively quickly. Although to be better for my
    purposes, I'd welcome 1) the same-mtime restriction to go away and
    2) all directories (not just the current one) to be searched for
    bases. I'm sure rsync would find bases more often, but probably at
    the cost of source CPU/disk load.

    Nevertheless, it seems that duplicity cannot work fuzzy.


Have a nice day,

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