D2792: hgweb: port archive command to modern response API

[yuja (Yuya Nishihara)]

yuja added inline comments.

INLINE COMMENTS

> webcommands.py:1220
> +    web.res.setbodywillwrite()
> +    assert list(web.res.sendresponse()) == []
> +

`assert` may be deleted by `-O`, but this one is important.

Can you send a followup?

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2792

To: indygreg, #hg-reviewers, durin42
Cc: yuja, mercurial-devel