Unfortunately I'm not aware of any commonly agreed method to detect 24-bit
color support. See https://gist.github.com/XVilka/8346728 and
https://lists.gnu.org/archive/html/bug-ncurses/2013-10/msg00007.html for
some details.


2016-08-31 0:03 GMT+03:00 Daniel Colascione <dancol@dancol.org>:

>
>
> On 08/30/2016 01:55 PM, Rami Ylimäki wrote:
>
>> From: Rami Ylimäki <rjy@iki.fi>
>>
>> Based on previous work by Rüdiger Sonderfeld, Christian Hopps and
>> Charles Strahan.
>>
>> Currently it's not possible to detect whether terminal supports 24-bit
>> colors.
>>
>
> Why did we decide to stop using terminfo as intended? Why did we stop
> supporting terminal capability inspection via control codes? We solved this
> problem in the god damn 1980s. Why are we back to specifying terminal
> characteristics manually?
>