Re: [PATCH v2] allow TTY tests to run under recent Mac OS
Right, I missed that there was more going on above, thanks =)
On Fri, Nov 14, 2014 at 12:02 PM, Jeff King <peff@peff.net> wrote:
Show 33 quoted lines
> On Fri, Nov 14, 2014 at 11:48:36AM -0800, Michael Blume wrote:
>
>> My understanding is that && and || have equal precedence, and this
>> seems to be borne out in testing at my shell. If the if/then method is
>> clearer I'm happy to go with that.
>
> I think the problem is that there are earlier parts of the chain. It
> currently looks like:
>
> foo &&
> bar &&
> do_something
>
> but you are making it:
>
> foo &&
> bar || baz &&
> do_something
>
> which will do_something whether or not "foo" is true. You need to put
> your "||" at a lower precedence than the rest of the chain. The "if"
> that Johannes mentioned works, though I think
>
> test_have_prereq PERL &&
> {
> test "$(uname -s)" != Darwin ||
> test "$(uname -r | cut -d. -f1)" -ge 13
> } &&
> ...
>
> is more obvious to read (but that's subjective, of course).
>
> -Peff