[svn.haxx.se] · SVN Dev · SVN Users · SVN Org · TSVN Dev · TSVN Users · Subclipse Dev · Subclipse Users · this month's index

Re: svn commit: r1738021 - in /subversion/trunk: subversion/svnadmin/svnadmin.c subversion/tests/cmdline/svnadmin_tests.py tools/client-side/bash_completion

From: Branko Čibej <brane_at_apache.org>
Date: Thu, 7 Apr 2016 13:00:40 +0200

On 07.04.2016 12:31, Evgeny Kotkov wrote:
> Branko Čibej <brane_at_apache.org> writes:
>
>> PowerShell fiddles with redirected stdout? That's ... scary!
>>
>> Out of interest, do you know what it does with the data in the stream
>> and why?
> It assumes that commands output text, and automatically splits the output
> based on line endings:
>
> $out = svnadmin dump C:\Repositories\test
> $out.GetType() # Object[]
> $out.Length # 14
> $out[0].GetType() # String
> $out[0] # SVN-fs-dump-format-version: 2
>
> Redirection is implemented as pipelining the array of strings to the Out-File
> command. This command reconstitutes the text and translates it based on
> the current encoding, and that produces unreadable dumps.
>
> In case you're interested, there's an in depth explanation available in [1].
>
> I am not too sure about the "why" part, but maybe assuming everything as
> text has its benefits for the majority of commands and cmdlets. Or perhaps,
> this is just a side effect of making > work in a predictable way for both
> PowerShell commands and executables.

Thanks for the explanation. It's kind of painful ... Although adding
--file makes perfect sense in any case.

-- Brane
Received on 2016-04-07 13:00:44 CEST

This is an archived mail posted to the Subversion Dev mailing list.