[PATCH 1 of 7 v2] import-checker: refactor source reading

[Yuya Nishihara]

On Fri, 15 Apr 2016 17:40:44 -0400, timeless wrote:
> Yuya Nishihara wrote:
> > Can you add warnings for unprocessed files, as a follow-up patch?  
> 
> Oh. I specifically did it this way so you could run import-checker on
> ** and have it not complain about random stuff.

Hmm, maybe I'm paranoid, but I prefer warnings so that I won't miss my
mistakes. e.g.

  $ ./contrib/import-checker.py hg hgweb.cgi