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
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