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Re: [PATCH] command line options to use external command to compress

From: Senthil Kumaran S <senthil_at_collab.net>
Date: Mon, 19 Oct 2009 17:27:19 +0530

Hi,

masaru tsuchiyama wrote:
> Hi.
>
> I added the feature to use external command instead of
> python bzip2 or gzip module.
>
> [[[
> add two command line options, --bzip2-cmd and --gzip-cmd
> to svn-backup-dumps.py
>
> if --bzip2-cmd option is specified, the script use bzip2 command to
> compress the dump stream instead of python bzip2 module.
>
> if --gzip-cmd option is specified, the script use gzip command to
> compress the dump stream instead of python gzip module.
>
> * tools/server-side/svn-backup-dumps.py
> (SvnBackupOutputCommand): add new class to launch external command to
> compress.
> (SvnBackup.__init__): add two member variables, __bzip2_path and
> __gzip_path to hold command line parameters
> (SvnBackup.create_dump): create instance of SvnBackupOutputCommand
> when __bzip2_path or __gzip_path is valid
> ]]]

I reviewed your patch which looks good. But before committing I want to have
some changes,

1) In the usage message we have
     -b compress the dump using bzip2.
     --bzip2-path=BZIP2_PATH
                           compress the dump using bzip2 command

which is confusing. May be we can say 'compress the dump using python bzip2
     library' for the former and 'compress the dump using bzip2 custom command'
for the later?

2) Same thing applies for gzip command too.

3) May be we can detect usage of -b and --bzip2-path together and say they are
mutually exclusive? This is because, with the current patch if we give both,
only --bzip2-path works and -b is silently ignored, which may confuse users.

Thank You.

-- 
Senthil Kumaran S
http://www.stylesen.org/
------------------------------------------------------
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Received on 2009-10-19 13:57:42 CEST

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