ui: provide official way to reset internal state per command
This will allow us to clear in-memory password storage per runcommand().
I've updated commandserver to call resetstate() of both ui and repo.ui because
they may have different states in theory.
# this file holds the definitions that are used in various bzr tests
TERM=dumb; export TERM
echo '[extensions]' >> $HGRCPATH
echo 'convert = ' >> $HGRCPATH
glog()
{
hg log -G --template '{rev}@{branch} "{desc|firstline}" files: {files}\n' "$@"
}
manifest()
{
echo "% manifest of $2"
hg -R $1 manifest -v -r $2
}