Re: [PATCH 1/2] make show-index a builtin

[Jeff King <peff@peff.net>]

On Tue, May 29, 2018 at 12:31:53AM +0900, Junio C Hamano wrote:

> Jeff King <peff@peff.net> writes:
> 
> > diff --git a/show-index.c b/builtin/show-index.c
> > similarity index 96%
> > rename from show-index.c
> > rename to builtin/show-index.c
> > index 1ead41e211..65fa86dd08 100644
> > --- a/show-index.c
> > +++ b/builtin/show-index.c
> > @@ -4,7 +4,7 @@
> 
> I squashed
> 
> #include "builtin.h"
> 
> near the beginning of this file to squelch -DDEVELOPER extra
> warnings.  Otherwise looks obviously good.

Thanks. I'm still using my custom build options, and obviously I need to
add -Wmissing-prototypes.

> > diff --git a/git.c b/git.c
> > index 5771d62a32..c91e144d9a 100644
> > --- a/git.c
> > +++ b/git.c
> > @@ -470,6 +470,7 @@ static struct cmd_struct commands[] = {
> >  	{ "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER },
> >  	{ "show", cmd_show, RUN_SETUP },
> >  	{ "show-branch", cmd_show_branch, RUN_SETUP },
> > +	{ "show-index", cmd_show_index },
> 
> Hmph, this does not need SETUP?  Ah, of course, because its
> subcommand body used to do everything itself, and this patch just
> turns cmd_main() to cmd_show_index().

It is not even that it does the setup itself. It does not need the setup
at all, because it is purely a mechanical parsing of the stdin stream
to text output. No repo required, and it does not know or care if the
matching packfile even exists.

-Peff