Re: .gitignore and svn:ignore [WAS: git-svn and submodules]

[Chris Shoemaker <c.shoemaker@cox.net>]

On Tue, Oct 16, 2007 at 12:58:27AM -0700, Eric Wong wrote:
> Chris Shoemaker <c.shoemaker@cox.net> wrote:
> > On Mon, Oct 15, 2007 at 04:45:13PM +0200, Karl Hasselström wrote:
> > > On 2007-10-15 09:07:21 +0200, Benoit SIGOURE wrote:
> > > 
> > > >   - git svn create-ignore (to create one .gitignore per directory
> > > > from the svn:ignore properties. This has the disadvantage of
> > > > committing the .gitignore during the next dcommit,
> > > 
> > > I built ignore support for git-svnignore a long time ago. It converts
> > > the per-directory svn:ignore to per-directory .gitignore at commit
> > > import time, which is very handy:
> > > 
> > > -I <ignorefile_name>::
> > >         Import the svn:ignore directory property to files with this
> > >         name in each directory. (The Subversion and GIT ignore
> > >         syntaxes are similar enough that using the Subversion patterns
> > >         directly with "-I .gitignore" will almost always just work.)
> > > 
> > > The only downside with that is that svn ignore patterns are
> > > non-recursive, while git ignore patterns are recursive. This could be
> > > solved by prefixing them with a "/".
> > 
> > Has anyone put any thought into mapping the other direction? 
> > i.e. .gitignore  ->  svn:ignore
> 
> If we support .gitignore <-> svn:ignore in git-svn; bidirectional,
> transparent mapping is the only way I want to go.
> 
> 
> This means that *all* .gitignore files will be translated to svn:ignore
> files and vice versa; and the .gitignore files will be NOT be committed
> to SVN itself, but present in the git-svn created mirrors.  Recursive
> .gitignore definitions will be mapped to svn:ignore recursively on the
> client side; and non-recursive ones will only map to one directory.
> 
> Sound good?
> 
> I may be sleepy at the moment, but the thought of implementing this is
> sounding complicated now...
> 

OTOH, a general propset solution would probably be good enough that I
wouldn't even miss any transparent .gitignore -> svn:ignore mapping.

I would just accept that I'd have to explicitly specify the
svn:ignores.

> Since externals/submodules don't operate recursively in either
> system like .gitignore; supporting svn:externals <=> submodules
> will be much easier and done first[1] :)
> 
> [1] - I've personally rarely bothered with putting svn:ignores in the
> repository and have been very much spoiled by .git/info/exclude;
> whereas externals support I have semi-immediate use for.

That's great.   I'm eager to see/test the svn:externals support.  Thanks.

-chris