Re: [PATCH] help: show manpage for aliased command on git <alias> --help

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Am 3/5/2013 15:44, schrieb Ævar Arnfjörð Bjarmason:
> Change the semantics of "git <alias> --help" to show the help for the
> command <alias> is aliased to, instead of just saying:
> 
>     `git <alias>' is aliased to `<whatever>'
> 
> E.g. if you have "checkout" aliased to "co" you won't get:
> 
>     $ git co --help
>     `git co' is aliased to `checkout'
> 
> But will instead get the manpage for git-checkout.
...
>  	alias = alias_lookup(argv[0]);
>  	if (alias && !is_git_command(argv[0])) {
> -		printf_ln(_("`git %s' is aliased to `%s'"), argv[0], alias);
> -		return 0;
> +		show_help_for = alias;
> +	} else {
> +		show_help_for = argv[0];
>  	}

This needs a lot more scrutiny. The alias can be more than just a single
word, and it can even be a shell scriptlet, i.e., not a git command at all.

It may make sense to show the help of the aliased-to command if the alias
resolves to just a single word.

-- Hannes
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