bundlerepo: apply phase data stored in the bundle instead of assuming `draft`
The phase information contained in the changegroup part and the explicit
`phase-heads` part are now taken in account.
Initial changes and test by Matt Harbison, code rework by Pierre-Yves David.
#require clang-format test-repo
$ . "$TESTDIR/helpers-testrepo.sh"
$ cd "$TESTDIR"/..
$ for f in `testrepohg files 'set:(**.c or **.cc or **.h) and not "listfile:contrib/clang-format-ignorelist"'` ; do
> clang-format --style file $f > $f.formatted
> cmp $f $f.formatted || diff -u $f $f.formatted
> rm $f.formatted
> done