Robert LeBlanc
Sent from a mobile device please excuse any typos.
On Mar 26, 2015 12:41 AM, "Robert LeBlanc" <rob...@leblancnet.us> wrote:
>
>
>
> On Thu, Mar 26, 2015 at 12:31 AM, Robert LeBlanc <rob...@leblancnet.us>
wrote:
>>
>>
>>
>> On Thu, Mar 26, 2015 at 12:13 AM, Benoit Pierre <benoit.pie...@gmail.com>
wrote:
>>>
>>> On Thu, Mar 26, 2015 at 6:53 AM, Robert LeBlanc <rob...@leblancnet.us>
wrote:
>>> > I'm trying to make my .tmux.conf work for both 1.8 and 1.9 while
>>> > depreciating the old syntax. I can't get 1.9 (from Debian) or 1.9a
(compiled
>>> > from source) to work properly. I open a new tmux session and run:
>>> >
>>> > if-shell "[[ `/usr/bin/tmux -V` = *1.9* ]]" "display-message 'Yes'"
>>> > "display-message 'No'"
>>> >
>>> > I always get "No". If I open up tmux on CentOS7 with 1.8 and adjust
the line
>>> > to test for 1.8, I get "Yes" as expected. I get "No" if I change it
to 1.9.
>>> > So it is working just fine in 1.8.
>>>
>>> Are you sure it's not due to different shells and the use of "[[ ]]"
>>> instead of "[ ]" ?
>>>
>>> > dash -c '[[ "`tmux -V`" = *2.0* ]]'; echo $?
>>> dash: 1: [[: not found
>>> 127
>>> > bash -c '[[ "`tmux -V`" = *2.0* ]]'; echo $?
>>> 0
>>>
>>> Also, note the additional double quotes for the call to `tmux -V`.
>>>
>>> Cheers,
>>>
>>
>> My shell is bash, but I'm not sure if tmux executes in my shell or it's
own. I can't get dash to pass, and I don't see a need for the extra double
quotes in bash.
>>
>> rdleblanc@rdleblanc-laptop:/tmp$ tmux -V
>> tmux 1.9
>> rdleblanc@rdleblanc-laptop:/tmp$ dash -c '[ "`tmux -V`" = *1.9* ]'; echo
$?
>> 1
>> rdleblanc@rdleblanc-laptop:/tmp$ bash -c '[[ "`tmux -V`" = *1.9* ]]';
echo $?
>> 0
>> rdleblanc@rdleblanc-laptop:/tmp$ bash -c '[[ `tmux -V` = *1.9* ]]'; echo
$?
>> 0
>>
>> I'm really at a loss. The CentOS box doesn't have dash, so if tmux is
specifically using that, then I can see it as being the problem, but I
would expect that it would us my shell.
>>
>> Thanks,
>> Robert LeBlanc
>>
>
>
> OK, looks like tmux is using dash:
>
> rdleblanc@rdleblanc-laptop:/tmp$ dash -c '[ "`tmux -V`" = "tmux 1.9" ]';
echo $?
> 0
>
> if-shell '[ "`tmux -V`" = "tmux 1.9" ]' 'display-message "Yes"'
'display-message "No"'
>
> works. Now the question shifts to how can I tell tmux to use a certain
shell? I guess I could provide multiple stanzas, one for bash and one for
dash, but that seems like a bad approach and can get unwieldy very quickly.
>
> Any suggestions?
>
> Thanks,
> Robert LeBlanc
It's too late here. The above syntax is POSIX so it should work in bash
just fine. Duh.
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