Re: show merge info for git vc-log

[Dan Nicolaescu <dann@ics.uci.edu>]

Kevin Rodgers <kevin.d.rodgers@gmail.com> writes:

  > Dan Nicolaescu wrote:
  > > Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
  > >
  > >   > Dan Nicolaescu <dann@ics.uci.edu> writes:
  > >   >   > > Dmitry Dzhus <dima@sphinx.net.ru> writes:
  > >   > >
  > >   > >   > Mercurial can do the same with graphlog extension enabled (it's included
  > >   > >   > in Mercurial distribution now) if we add `-G` flag in
  > >   > >   > `vc-hg-log-switches`.
  > >   > >
  > >   > > Is there a way to force that flag to work?   > >
  > >   > > $ hg log -G
  > >   > > hg log: option -G not recognized
  > >   > > hg log [OPTION]... [FILE]
  > >   >   > Add this to your .hgrc
  > >
  > > That's not good.  To enable this by default, we need to be able to force
  > > this flag to work from the command line.
  > 
  > True, but you can enable it conditionally, depending on the exit
  > status of "grep '^hgext.graphlog *=' $HOME/.hgrc"

The regexps that do syntax highlighting need to change depending if
graphlog is used or not.   Adding two versions, or making the regexps
cope with too formats just adds complexity.  When hg is fixed to do this
thing is a less painful way we can update vc-hg.el to use it.