[PATCH] config: add extension point for extracting all included files

[Yuya Nishihara]

On Tue, 7 Feb 2017 15:31:02 +0000, De Mare, Mathias (Nokia - BE) wrote:
> > > On Feb 3, 2017, at 09:56, Mathias De Maré <mathias.demare at gmail.com>
> > wrote:
> > >
> > > # HG changeset patch
> > > # User Mathias De Mare <mathias.de_mare at nokia.com> # Date
> > 1486132049
> > > -3600
> > > #      Fri Feb 03 15:27:29 2017 +0100
> > > # Node ID ea2e95febfeff39377c878fa05cc853832bc3b2a
> > > # Parent  eb78ec9e97b70310e2944f72c29463bedfc21442
> > > config: add extension point for extracting all included files
> > 
> > Hmm... for those of us who haven't been paying close attention, can you say
> > more about why this is desirable? Generally we don't add an extension point
> > unless at least an in-tree extension uses it. (It's possible there are historical
> > exceptions to this.)
> 
> Pierre-Yves and myself spent some time working on an extension that would allow users to share their configuration with a server and allow a server to send configuration suggestions to a client. The work so far is available at https://bitbucket.org/Mathiasdm/hg-configexpress/overview
> One of the possible suggestions to clients would be to add specific includes, and this extension point allows checking if these includes are present.

Can it be done by using/extending config._source dict?

I don't think hooking config method is a good idea because config object
may be used to parse template maps, .hgsub, etc.