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[WIP/PATCH 0/8] svn-fe: support for text deltas

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Nov 20, 2010, 19:21 UTC
Message-ID
<20101120192153.GA17823@burratino>
In-Reply-To
<20101120004525.GA17445@burratino>
Jonathan Nieder wrote:
> Jonathan Nieder wrote:
>> This mini-series is part of an effort to get David and Ram's svn
>> import work integrated into mainline git[1].

The next chapter. This adds handling of text deltas. I broke it in the process, though, as you can see with the attached test script:

	$ testme.sh http://svn.apache.org/repos/asf 100 asf.git
	[...]
	* Dumped revision 35.
	error: Preimage ends early
	fatal: cannot apply delta

Perhaps you can take this as a puzzle. Where does the patch series go wrong?

I like to think some of the cleanup will make this more maintainable in the future, even if it is broken now.

Builds on the db/fast-import-cat-blob[1] and jn/svndiff0[2] topics.
Thoughts, improvements, complaints welcome.
David Barr (2):
  vcs-svn: Let caller set up sliding window for delta preimage
  vcs-svn: Implement text-delta handling
Jonathan Nieder (6):
  svn-fe: Prepare for strbuf use
  vcs-svn: Internal fast_export_save_blob helper
  vcs-svn: Introduce repo_read_path to check the content at a path
  vcs-svn: Introduce fd_buffer library
  vcs-svn: Read delta preimage from file descriptor
  vcs-svn: Teach line_buffer about temporary files

[1] Doesn't seem to be available on gmane. The important part (patch 3) is, though: http://thread.gmane.org/gmane.comp.version-control.git/161730 Should I re-send?

[2] http://thread.gmane.org/gmane.comp.version-control.git/151086/focus=158913
Previous: Jonathan NiederNext: Jonathan Nieder
Message 26 of 40 in “svn-fe: recognize v3 dumps”
  1. 0/2 svn-fe: recognize v3 dumpsJonathan Nieder, Nov 18, 2010
  2. 1/2 vcs-svn: Error out for v3 dumpsJonathan Nieder, Nov 18, 2010
  3. 2/2 vcs-svn: Allow simple v3 dumps (no deltas yet)Jonathan Nieder, Nov 18, 2010
  4. 0/15 svn-fe: support for property deltas (but not text deltas yet)Jonathan Nieder, Nov 20, 2010
  5. 01/15 vcs-svn: Check for errors from open()Jonathan Nieder, Nov 20, 2010
  6. 02/15 vcs-svn: Eliminate node_ctx.srcRev globalJonathan Nieder, Nov 20, 2010
  7. 03/15 vcs-svn: Eliminate node_ctx.mark globalJonathan Nieder, Nov 20, 2010
  8. 04/15 vcs-svn: Unclutter handle_node by introducing have_props varJonathan Nieder, Nov 20, 2010
  9. 05/15 vcs-svn: Use mark to indicate nodes with included textJonathan Nieder, Nov 20, 2010
  10. 06/15 vcs-svn: handle_node: Handle deletion case earlyJonathan Nieder, Nov 20, 2010
  11. 07/15 vcs-svn: Replace = Delete + AddJonathan Nieder, Nov 20, 2010
  12. 08/15 vcs-svn: Combine repo_replace and repo_modify functionsJonathan Nieder, Nov 20, 2010
  13. 09/15 vcs-svn: Delay read of per-path propertiesJonathan Nieder, Nov 20, 2010
  14. 10/15 vcs-svn: Reject path nodes without Node-actionJonathan Nieder, Nov 20, 2010
  15. Jonathan NiederNov 20, 2010
  16. 11/15 vcs-svn: More dump format sanity checksJonathan Nieder, Nov 20, 2010
  17. Jonathan NiederNov 30, 2010
  18. 0/2 intermittent repo_tree corruptionJonathan Nieder, Dec 5, 2010
  19. 1/2 treap: make treap_insert return inserted nodeJonathan Nieder, Dec 5, 2010
  20. vcs-svn: Allow change nodes for root of tree (/)Jonathan Nieder, Dec 6, 2010
  21. Jonathan NiederDec 6, 2010
  22. 12/15 vcs-svn: Make source easier to read on small screensJonathan Nieder, Nov 20, 2010
  23. 13/15 vcs-svn: Split off function for handling of individual propertiesJonathan Nieder, Nov 20, 2010
  24. 14/15 vcs-svn: Sharpen parsing of property linesJonathan Nieder, Nov 20, 2010
  25. 15/15 vcs-svn: Implement Prop-delta handlingJonathan Nieder, Nov 20, 2010
  26. 0/8 svn-fe: support for text deltasJonathan Nieder, Nov 20, 2010
  27. 1/8 svn-fe: Prepare for strbuf useJonathan Nieder, Nov 20, 2010
  28. 2/8 vcs-svn: Internal fast_export_save_blob helperJonathan Nieder, Nov 20, 2010
  29. 3/8 vcs-svn: Introduce repo_read_path to check the content at a pathJonathan Nieder, Nov 20, 2010
  30. Jonathan NiederMar 6, 2011
  31. 4/8 vcs-svn: Introduce fd_buffer routinesJonathan Nieder, Nov 20, 2010
  32. 5/8 vcs-svn: Read delta preimage from file descriptorJonathan Nieder, Nov 20, 2010
  33. 6/8 vcs-svn: Let caller set up sliding window for delta preimageJonathan Nieder, Nov 20, 2010
  34. Jonathan NiederNov 20, 2010
  35. 7/8 vcs-svn: Teach line_buffer about temporary filesJonathan Nieder, Nov 20, 2010
  36. 8/8 vcs-svn: Implement text-delta handlingJonathan Nieder, Nov 20, 2010
  37. 10/8 vcs-svn: Consume whole preimage when applying deltasJonathan Nieder, Dec 4, 2010
  38. 9/8 svn-fe: Test script for handling of dumps with --deltasJonathan Nieder, Nov 20, 2010
  39. Jonathan NiederDec 4, 2010
  40. 2/2 vcs-svn: fix intermittent repo_tree corruptionJonathan Nieder, Dec 5, 2010

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