revlog: preread revlog .i file
Smaller revlogs can be read with a single read, do it on open.
# this is hack to make sure no escape characters are inserted into the output
import os;
if 'TERM' in os.environ:
del os.environ['TERM']
import doctest
import mercurial.changelog
# test doctest from changelog
doctest.testmod(mercurial.changelog)
import mercurial.httprepo
doctest.testmod(mercurial.httprepo)
import mercurial.util
doctest.testmod(mercurial.util)
import hgext.convert.cvsps
doctest.testmod(hgext.convert.cvsps)