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From: Carsten Dominik <carsten.dominik@gmail.com>
To: Andrea Crotti <andrea.crotti.0@gmail.com>
Cc: Brian Gough <bjg@network-theory.co.uk>,
	Org Mode List <emacs-orgmode@gnu.org>
Subject: Re: Git merge tool for Org files
Date: Sat, 20 Aug 2011 16:42:45 +0200	[thread overview]
Message-ID: <EB9E01F8-AA0E-40CB-9929-ACC7DB2BAF7F@gmail.com> (raw)
In-Reply-To: <4E4FC20F.7090101@gmail.com>


On 20.8.2011, at 16:17, Andrea Crotti wrote:

> On 08/18/2011 12:45 PM, Carsten Dominik wrote:
>> Hi,
>> 
>> I was wondering if anyone here has the skills and interest to write
>> a git merge driver for Org mode files, in the way
>> 
>>    http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/git-merge-changelog.c
>> 
>> does this for GNU style ChangeLog files?
>> 
>> One of the obstacle for using Org-mode for collaborative programs is that
>> many operations add or remove text from the beginning or end of a file,
>> or which add or remove a subnode from an outline tree.
>> These are operations that confuse the git merger, in particular
>> if two people have added something to a file, or removed/added
>> sequential sibling nodes.
>> 
>> I believe that this could be solved with a dedicated merge driver
>> that understands the integrity of an outline (sub)tree, and that
>> knows that the sequence of two new subtrees added by different people
>> does not matter.
>> 
>> The idea for this is actually (I believe) from Brian Gough who asked me
>> about it at FOSDEM.  I have now also run into this problem and would
>> really find it great if such a merge driver could be written.
>> Unfortunately, I do not have the skill for this.
>> 
>> - Carsten
> Does the merge driver need to be written in C?

I have no idea, but I would think that it could also be written in Perl,
for example.

> It looks quite a complex task considering that org-mode files
> are not so easy to parse...
> 
> Anyway a partly unrelated thing, with git attributes I'm able
> to see the diff of crypted org files very easily (maybe someone
> is interested), adding to .git/config:
> 
> [diff "gpg"]
>      textconv = gpg2 --decrypt
> 
> and to .gitattributes:
> *.gpg diff=gpg

interesting!

- Carsten

  reply	other threads:[~2011-08-20 14:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-18 10:45 Git merge tool for Org files Carsten Dominik
2011-08-20 14:17 ` Andrea Crotti
2011-08-20 14:42   ` Carsten Dominik [this message]
2011-08-20 14:56     ` Andrea Crotti
2011-08-20 16:04   ` Nick Dokos
2011-08-20 17:30     ` suvayu ali
2011-08-20 19:08 ` Achim Gratz

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