can't read "env(COLUMNS)": no such variable

[Kevin Layer]

Clemens Lang wrote:

>> Hi,
>> 
>> > On a 10.6.8 machine without Macports I installed 2.3.0 and get the
>> > following.
>> > 
>> > Any ideas?  Thanks.
>> > 
>> > […]
>> > curl progress callback failed: can't read "env(COLUMNS)": no such variable
>> 
>> Yes, I know why this happens. What I don't understand is why your environment
>> doesn't contain the columns variable. Which shell do you use? My bash exports
>> both the COLUMNS and the LINES variables.

Using bash in emacs.  I'll set them to see what happens.  Thanks!

>> 
>> Do you redirect MacPorts' output in some way? To trigger this condition your
>> setup must fulfill the following conditions, and the combination of them is
>> very unlikely:
>>  - The $COLUMNS and $LINES variables must be unset
>>  - Your stdout must be a tty (because the progress output would have been
>>    disabled if it wasn't)
>>  - ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) must fail.
>> 
>> 
>> As a temporary workaround you can
>>  - Use verbose mode: port -v
>>  - Use quiet mode: port -q
>>  - Redirect the output of port into a pipe: port … | cat
>> 
>> -- 
>> Clemens Lang