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Re: [Duplicity-talk] [PATCH 0/2] consume a chain of sigtar files in rdif
From: |
T. Prost |
Subject: |
Re: [Duplicity-talk] [PATCH 0/2] consume a chain of sigtar files in rdiffdir delta mode |
Date: |
Tue, 05 Feb 2013 12:05:45 +0100 |
I just notice that rdiffdir is already on my system, although I never
installed it intentionally. Thus I assumed dependencies - however could
not find packages which are actually using rdiffdir ???:-|
But how are the actual dependencies really between the packages
discussed here and rdiffdir ?
--
Greetz
Thomas
Am Montag, den 31.12.2012, 16:35 +0100 schrieb Laszlo Ersek:
> As blurb, I'm pasting here the proposed modified / new manual sections,
> formatted as plain text:
>
> SYNOPSIS
>
> rdiffdir [options] delta full_sigtar {incr_sigtar} new_dir delta_file
>
> DESCRIPTION
>
> Regarding the delta command, the full_sigtar operand is a signa-
> ture_file written by an earlier signature or tar command (the latter
> using the --write-sig-to option). The optional incr_sigtar operands are
> signature files written by earlier delta commands using the --write-
> sig-to option. This way the Nth invocation of the delta command can
> parse (and extend) the signature chain that has been founded by the
> first signature or tar command with a full signature, and then extended
> by the subsequent N-1 delta invocations with incremental signatures. It
> is the responsibility of the user to specify the sigtar operands in
> logical increment order.
>
> I gave the patches some light testing on an example directory with two
> small files: one full backup and two increments. I looked into each
> delta and sigtar file produced, and then restored and verified each
> stage.
>
> These patches enable me to use rdiffdir as an independent, recursive
> rdiff primitive, in combination with lbzip2 (parallel bzip2 compression)
> and custom (UDPv4 based) uploading of deltas and incremental sigtars.
>
> The use case has been raised before:
> https://answers.launchpad.net/duplicity/+question/103229
>
> Thanks for considering.
>
> Laszlo Ersek (2):
> rdiffdir: allow lower-bounds-only for action operands
> rdiffdir delta: support incremental sigtar files
>
> bin/rdiffdir | 14 +++++++-------
> bin/rdiffdir.1 | 34 +++++++++++++++++++++++++++++++++-
> 2 files changed, 40 insertions(+), 8 deletions(-)
>
>
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- Re: [Duplicity-talk] [PATCH 0/2] consume a chain of sigtar files in rdiffdir delta mode,
T. Prost <=