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Re: [PATCH 7/7] svn-fe: Use the --report-fd feature

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Oct 12, 2010, 23:36 UTC
Message-ID
<20101012233612.GI15587@burratino>
In-Reply-To
<AANLkTikoSedLFD7pnMvzWYLxCTURhc=1h=73s4uj+fcM@mail.gmail.com>
Sverre Rabbelier wrote:
> On Wed, Oct 13, 2010 at 01:03, Jonathan Nieder <jrnieder@gmail.com> wrote:
Show 6 quoted lines
>> The caller has to take care of backflow of data.  Even if the
>> "cat" command were never used, at least 3>/dev/null would be
>> necessary to avoid fast-import waiting forever for the frontend
>> to read from it.
>
> Why is that? If we disable the auto-printing of sha's

Right, if we disable the auto-printing of sha's then that aspect goes away.

>> One way to work around this would be for svn-fe to launch fast-import
>> itself.
>
> What would the pipeline look like then? In particular for git-remote-svn?
Probably something like:

svnrdump dump uri -r <lower>:<upper> | svn-fe --fastimport='svn-filter-root ...'

Doesn't the transport helper take care of launching fast-import itself?

Previous: Sverre RabbelierNext: Jonathan Nieder
Message 26 of 28 in “Add support for subversion dump format v3”
  1. Add support for subversion dump format v3David Barr, Oct 12, 2010
  2. 1/7 Teach fast-import to print the id of each imported commitDavid Barr, Oct 12, 2010
  3. Sverre RabbelierOct 12, 2010
  4. Jonathan NiederOct 12, 2010
  5. Sverre RabbelierOct 12, 2010
  6. Jonathan NiederOct 12, 2010
  7. Jonathan NiederOct 12, 2010
  8. Sverre RabbelierOct 12, 2010
  9. 2/7 fast-import: Let importers retrieve the objects being writtenDavid Barr, Oct 12, 2010
  10. Jonathan NiederOct 12, 2010
  11. Sverre RabbelierOct 12, 2010
  12. Jonathan NiederOct 13, 2010
  13. Sverre RabbelierOct 13, 2010
  14. 3/7 fast-import: Allow cat command with empty pathDavid Barr, Oct 12, 2010
  15. Jonathan NiederOct 12, 2010
  16. 4/7 fast-import: Allow cat requests at arbitrary points in streamDavid Barr, Oct 12, 2010
  17. Jonathan NiederOct 12, 2010
  18. 5/7 vcs-svn: extend svndump to parse version 3 formatDavid Barr, Oct 12, 2010
  19. Jonathan NiederOct 12, 2010
  20. 6/7 vcs-svn: implement prop-delta handling.David Barr, Oct 12, 2010
  21. Jonathan NiederOct 12, 2010
  22. 7/7 svn-fe: Use the --report-fd featureDavid Barr, Oct 12, 2010
  23. Sverre RabbelierOct 12, 2010
  24. Jonathan NiederOct 12, 2010
  25. Sverre RabbelierOct 12, 2010
  26. Jonathan NiederOct 12, 2010
  27. Jonathan NiederOct 12, 2010
  28. Jonathan NiederOct 13, 2010

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