On Mon, Aug 15, 2016 at 09:40:54PM +0100, Philip Oakley wrote:
> From: "Junio C Hamano" <gits...@pobox.com>
> > "Philip Oakley" <philipoak...@iee.org> writes:
> >> I'm still not sure this is enough. One of the problems back when I
> >> introduced the --guides option (65f9835 (builtin/help.c: add --guide
> >> option, 2013-04-02)) was that we had no easy way of determining what
> >> guides were available, especially given the *nix/Windows split where
> >> the help defaults are different (--man/--html).
> >> At the time we (I) punted on trying to determine which guides were
> >> actually installed, and just created a short list of the important
> >> guides, which I believe you now check. However the less common guides
> >> are still there (gitcvs-migration?), and others may be added locally.
> > I think we should do both; "git help cvs-migration" should keep the
> > same codeflow and behaviour as we have today (so that it would still
> > work), while "git cvs-migration --help" should say "'cvs-migration'
> > is not a git command". That would be a good clean-up anyway.
> > It obviously cannot be done if git.c::handle_builtin() does the same
> > "swap <word> --help to help <word>" hack, but we could improve that
> > part (e.g. rewrite it to "help --swapped <word>" to allow cmd_help()
> > to notice). When the user said "<word> --help", we don't do guides,
> > when we swapped the word order, we check with guides, too.
> The other option is to simply build a guide-list in exactly the same format
> as the command list (which if it works can be merged later). Re-use the
> existing code, etc.
One nice thing at the moment is that third-party Git commands can
install documentation and have "git help" work correctly (shameless plug
for git-integration which does this). I think Junio's suggestion
above keeps that working whereas having a hardcoded list of guides will
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