automatic merging of "set of lines" text files with a specific git merge driver (union?)

[seanh]

On Tue, Feb 22, 2011 at 02:39:24PM +0100, Dieter Plaetinck wrote:
> On Tue, 22 Feb 2011 13:33:44 +0000
> seanh <snhmnd at gmail.com> wrote:
> 
> > On Mon, Feb 21, 2011 at 09:24:16PM +0100, Dieter Plaetinck wrote:
> > > hmm according to `man git`, it supports patience diff as option for
> > > the recursive strategy (which is default for 3-way merges) in other
> > > words: `git merge -X patience` should work.
> > > or branch.recursive.mergeoptions=patience
> > > I'll experiment a bit more..
> > 
> > Really? I don't see that it man git. That would be great though.
> 
> maybe you need to upgrade:
> 
> 14:37:00 dieter at Gi ~ git --version
> git version 1.7.4.1
> 14:37:44 dieter at Gi ~ man git-merge | grep -C 1 patience
> 
>            patience
>                With this option, merge-recursive spends a little extra time to avoid mismerges that sometimes occur due to unimportant matching lines (e.g., braces from distinct functions). Use this when
>                the branches to be merged have diverged wildly. See also git-diff(1) --patience.

Yeah, I'm on 1.7.3. I did check the release notes and they don't seem to
mention this change. This is great news!