Re: git alias and --help

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Miles Bader <miles@xxxxxxx> writes:
> Junio C Hamano <gitster@xxxxxxxxx> writes:

> > > > git branch --help
> > >
> > > How about "git help branch"?
> >
> > The reason why we do not do what you seem to be suggesting is because
> > giving the same behaviour to "git b --help" as "git branch --help" is
> > wrong.
> 
> I agree with Gelonida's followup:  although what you say makes sense,
> it's still pretty annoying behavior for the very common case of a
> simple renaming alias...
> 
> E.g., I have "co" aliased to "checkout", and so my fingers are very
> very inclined to say "co" when I mean checkout... including when
> asking for help.  I actually end up typing "git co --help", grumbling,
> and retyping with the full command name, quite reguarly.
> 
> What I've often wished is that git's help system would output
> something like:
> 
>    $ git help co
>    `git co' is aliased to `checkout'
> 
>    Here's the help entry for `checkout':
> 
>    GIT-CHECKOUT(1)                   Git Manual                   GIT-CHECKOUT(1)

Wouldn't it be more useful to say something like this:

  $ git co --help
  `git co' is aliased to `checkout'
 
  You can see help entry for `checkout' with "git checkout --help"

Then help is only copy'n'paste away.  

(This helping text probably should be controlled by some advice.*
config variable).


P.S. I wonder if allowing to run command if you specify unambiguous
prefix would be a good replacement for such aliases?

-- 
Jakub Narębski
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