Re: [RFC/PATCH] handle_alias: provide GIT_CWD to !alias

[Nguyen Thai Ngoc Duy <pclouds@gmail.com>]

On Wed, Apr 13, 2011 at 8:16 PM, Michael J Gruber
<git@drmicha.warpmail.net> wrote:
> Nguyen Thai Ngoc Duy venit, vidit, dixit 13.04.2011 15:12:
>> On Wed, Apr 13, 2011 at 8:05 PM, Michael J Gruber
>> <git@drmicha.warpmail.net> wrote:
>>> -                       ret = run_command_v_opt(alias_argv, RUN_USING_SHELL);
>>> +                       strbuf_addstr(&sb, "GIT_CWD=");
>>> +                       if (subdir)
>>> +                               strbuf_addstr(&sb, subdir);
>>> +                       env[0] = sb.buf;
>>> +                       env[1] = NULL;
>>> +                       ret = run_command_v_opt_cd_env(alias_argv, RUN_USING_SHELL, NULL, env);
>>> +                       strbuf_release(&sb);
>>>                        if (ret >= 0)   /* normal exit */
>>>                                exit(ret);
>>
>> subdir can be NULL. I'm not sure if it can be empty string though. May
>
> I'm pretty sure that my "if (subdir)" would catch that...

Yes. I skimmed too quick and realized after sending my email.

>> need a check and set it to '.' so "cd $GIT_CWD" does not go back to
>> $HOME.
>
> Well, with the current implementation you get empty or the subdir so
> that you can easily "test -n $GIT_CWD". If you want to cd around you can
> do "cd ./$GIT_CWD" unconditionally. I think this is more useful than
> having a "." there.

In that case should the variable have a another name? CWD/PWD is
usually absolute path. "cd ./$GIT_CWD" looks odd to me. Or you can
getcwd() and set $OLDPWD.
-- 
Duy