add --config global option. allows to set hgrc option on command line. syntax: --config section.name=value also add new test-globalopts to test all global options in one place.

#!/bin/sh

mkdir t
cd t
hg init
echo a > a
hg add a
hg commit -m "test" -d "1000000 0"
hg verify
hg parents
hg status
hg rollback
hg verify
hg parents
hg status