Revert push new heads logic This breaks push -r's new head detection but fixes the common case. For now we'll assume that someone doing push -r knows what they're doing.

#!/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 undo
hg verify
hg parents
hg status