push: include phase push in the unified bundle2 push
Phase push is now included in the same bundle2 push as changesets. We use
multiple pushkey parts to transmit the information. Note that phase moves are
still not part of the repository "transaction".
basic test for hg debugrebuildstate
$ hg init repo
$ cd repo
$ touch foo bar
$ hg ci -Am 'add foo bar'
adding bar
adding foo
$ touch baz
$ hg add baz
$ hg rm bar
$ hg debugrebuildstate
state dump after
$ hg debugstate --nodates | sort
n 644 -1 bar
n 644 -1 foo
status
$ hg st -A
! bar
? baz
C foo
$ cd ..