Re: "svn info" good return code on bad URL

Ph. Marek wrote:
>
> Please note that the return code is normally correlated to the system error
> that caused the error, ie.
[...]
> 2 == ENOENT == File not found

No; that approach only works for very low-level tools that don't do much
besides make a few system calls. Most errors in higher-level programs like
Subversion are unrelated to particular system calls.

> I believe that as much information as possible should be returned - so the
> caller can decide what to do.

That approach doesn't scale. Subversion has too many different possible
individual errors to fit in an exit code byte, let alone trying to report
chains of errors. See, for example, the advice on exit codes in The GNU C
Library documentation: <http://www.delorie.com/gnu/docs/glibc/libc_559.html>.

- Julian

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Received on Tue Oct 11 18:40:58 2005