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Re: [PATCH] Fix overwritten remote ref on with fast-import.

From
Florian Achleitner <florian.achleitner.2.6.31@gmail.com>
Date
Jul 17, 2012, 22:25 UTC
Message-ID
<1827416.SEfKlye8mW@flobuntu>
In-Reply-To
<20120717210212.GB15624@burratino>
On Tuesday 17 July 2012 16:02:12 Jonathan Nieder wrote:
Show 11 quoted lines
> Hi,
> 
> Florian Achleitner wrote:
> > So we want the transport-helper to touch only private refs, i.e. some
> > subdir of refs/, ok.
> > On the other hand I thought we expect git-fetch to update the RHS of the
> > passed refspec (or the default one ). How?
> 
> Now I am getting confused by terminology.  By "the transport-helper"
> do you mean the remote helper (e.g., git-remote-svn) or
> transport-helper.c?
I was confused too. It should say remote-helper.
Show 5 quoted lines
> 
> By the "default" refspec do you mean the one specified in .git/config
> or some default when none is specified there?  "git fetch" updates
> refs according to the specified fetch refspec in
> builtin/fetch.c::store_updated_refs().

.. and I didn't realize that the two different refspecs involved here can be different and shall be different because they get post-processed accordingly. I thought the remote-helper has to import according to the fetch refspec.

Show 25 quoted lines
> 
> > Btw, whats FETCH_HEAD for?
> 
> "grep FETCH_HEAD Documentation/*.txt" gives some hints.  Most notably:
> 
> 	git-fetch(1)
> 	------------
> 	The ref names and their object names of fetched refs are stored
> 	in ".git/FETCH_HEAD".  This information is left for a later merge
> 	operation done by 'git merge'.
> 
> 	gittutorial(7)
> 	--------------
> 	Alice can peek at what Bob did without merging first, using the "fetch"
> 	command; this allows Alice to inspect what Bob did, using a special
> 	symbol "FETCH_HEAD", in order to determine if he has anything worth
> 	pulling, like this:
> 
> 	------------------------------------------------
> 	alice$ git fetch /home/bob/myrepo master
> 	alice$ git log -p HEAD..FETCH_HEAD
> 	------------------------------------------------
> 
> Hope that helps,
> Jonathan

Thanks, Florian

Previous: Jonathan NiederNext: Florian Achleitner
Message 18 of 20 in “GSOC remote-svn”
  1. 0/4 GSOC remote-svnFlorian Achleitner, Jul 11, 2012
  2. 1/4 vcs-svn: add fast_export_note to create notesFlorian Achleitner, Jul 11, 2012
  3. 2/4 Allow reading svn dumps from files via file:// urls.Florian Achleitner, Jul 11, 2012
  4. 3/4 Create a note for every imported commit containing svn metadata.Florian Achleitner, Jul 11, 2012
  5. 4/4 When debug==1, start fast-import with "--stats" instead of "--quiet".Florian Achleitner, Jul 11, 2012
  6. Dmitry IvankovJul 11, 2012
  7. Junio C HamanoJul 11, 2012
  8. Stephen BashJul 11, 2012
  9. Fix overwritten remote ref on with fast-import.Florian Achleitner, Jul 15, 2012
  10. Jonathan NiederJul 16, 2012
  11. Junio C HamanoJul 16, 2012
  12. Florian AchleitnerJul 16, 2012
  13. Jonathan NiederJul 17, 2012
  14. Florian AchleitnerJul 17, 2012
  15. Jonathan NiederJul 17, 2012
  16. Florian AchleitnerJul 17, 2012
  17. Jonathan NiederJul 17, 2012
  18. Florian AchleitnerJul 17, 2012
  19. Add explanatory comment for transport-helpers refs mapping.Florian Achleitner, Jul 17, 2012
  20. Jonathan NiederJul 17, 2012

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