dirstate: fix rebuild; add a test If rebuild calls invalidate, it will just queue a (re)read of the dirstate file, while what we really want is to empty the current state.

#!/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