[PATCH 0 of 2] mq: modify lookup to resolve mq patches, 'qtip' and 'qbase'

[Brendan Cully]

On Friday, 21 July 2006 at 11:18, Alexis S. L. Carvalho wrote:
> Thus spake Brendan Cully:
> > When mq is loaded, it will patch repo.lookup to search for applied mq
> > patches if regular lookup fails. The second patch resolves the
> > symbolic names 'qtip' and 'qbase' as well.
> 
> If you just change repo.lookup, these extra tags won't appear in the
> output of hg tags nor hg log, etc., making them a bit confusing and a
> bit different from regular tags and local tags.
> 
> Maybe it'd be better to add a tagfunctions list to localrepository and
> have mq append a function to this list?  Then repo.tags could call each
> function in the list to get the additional tags.  The function would
> take the repo as an argument and would either return a dict with the
> tag->node mapping or yield (tag, node) tuples.

it's easy enough to override repo.tags to add new mq tags. I think
this might make sense for qbase and qtip. Should all of the patches go
there though?

> Depending on where in repo.tags you call these functions, you can even
> make them able to override regular tags.

I don't really like the fact that tags and patches could have the same
names. Anyone have any thoughts on what the right policy would be
here?