From: 徐迪 <xudifsd@gmail.com>
Date: Fri, 06 Jan 2012 08:18:23 GMT
Subject: Re: Why usage function exit with code 129?
Message-ID: <CAMocUqR5NtLJTzEDXN6Os=b0w1aP6BMb6uphNJgZWKFT0dJy-Q@mail.gmail.com>
In-Reply-To: <CACsJy8D8uKGhtg4zjbHsJCGmqjTwodzFmAZ5w=aUx9CdadVAfw@mail.gmail.com>

在 2012年1月6日 下午4:11，Nguyen Thai Ngoc Duy <pclouds@gmail.com> 写道：
> 2012/1/6 徐迪 <xudifsd@gmail.com>:
>>>> [1] http://tldp.org/LDP/abs/html/exitcodes.html
>>>
>>> No it does not mean terminated by signals.
>>> --
>> In that case, why not just use another code instead of the code that
>> leads misunderstanding? I mean, as far as I know, exit code between
>> 129 and 255 are used to indicate the program terminated by signal. So
>> that usage function can only exit with code between 1 and 127. Am I
>> wrong?
>
> Because that code has been there too long (since 2005) any probably
> all git commands, including plumbing ones, rely on it. Changing it now
> may break existing scripts.
> --
> Duy

Ok, that sounds logical.