command line templates: add formatnode filter This will print a full hash node with --debug and a short one otherwise. Use it with some default templates and in map-cmdline.default to print the parents. This should fix issue538.

#!/bin/sh

mkdir t
cd t
hg init
echo a > a
hg add a
hg commit -m test -d "1000000 0"
hg history
hg manifest --debug
hg cat a
hg verify