#!/bin/sh hg init echo a > a hg add a hg commit -m "1" -d "0 0" hg status cp a b hg copy a b hg status hg --debug commit -m "2" -d "0 0" hg history hg log a md5sum .hg/data/b.d hg cat b > bsum md5sum bsum hg cat a > asum md5sum asum hg verify