Re: [PATCH 1/2] tests: make test_must_fail more verbose
- From
Jonathan Nieder <jrnieder@gmail.com>
- Date
- Aug 31, 2010, 19:35 UTC
- Message-ID
- <20100831193515.GV2315@burratino>
- In-Reply-To
- <20100831180618.GB15020@sigill.intra.peff.net>
Jeff King wrote:
> On Tue, Aug 31, 2010 at 12:10:55PM -0500, Jonathan Nieder wrote:
>> Can the exit status (e.g. from a shell function) be negative? > > I don't believe so. Both bash and dash complain about "return -1" (and > POSIX says the number must be "an unsigned decimal integer").
Thanks for checking; missed that. It is clearer in POSIX that the exit status from an external command will be truncated to an 8-bit unsigned integer, which as you say is the most important thing.