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Re: git config --help not functional on bad config




On Tue, Jul 11, 2017 at 12:05:01PM -0700, Stefan Beller wrote:

> > diff --git a/builtin/help.c b/builtin/help.c
> > index 334a8494a..c42dfc9e9 100644
> > --- a/builtin/help.c
> > +++ b/builtin/help.c
> > @@ -273,7 +273,7 @@ static int git_help_config(const char *var, const char *value, void *cb)
> >         if (starts_with(var, "man."))
> >                 return add_man_viewer_info(var, value);
> >
> > -       return git_default_config(var, value, cb);
> > +       return 0;
> 
> Instead of ignoring any default config, we could do
> 
>     git_default_config(var, value, cb);
>     /* ignore broken config, we may be the help call for config */
>     return 0;
> 
> I looked through git_default_config which seems to only die
> with useful error messages for compression related settings,
> but these we may want to convert to errors instead of dies,
> when going this way.

There are other die calls hidden deeper. For instance:

  $ git -c core.ignorecase=foo help config
  fatal: bad numeric config value 'foo' for 'core.ignorecase': invalid unit

Those ones are hard to fix without changing the call signature of
git_config_bool().

-Peff