Re: org-mode export behavior change in 9.2?

["Berry, Charles" <ccberry@ucsd.edu>]

> On Jan 12, 2019, at 1:33 PM, Haider Rizvi <harizvi@gmail.com> wrote:
> 
> "Berry, Charles" <ccberry@ucsd.edu> writes:
> 
>>> On Jan 11, 2019, at 5:03 PM, Haider Rizvi <harizvi@gmail.com> wrote:
>>> 
>>> I've been using literate programming approach with org-babel for a
>>> while. I just noticed that with 9.2, when I try to export (c-c c-e h
>>> o) an org doc / section, any shell blocks with a named session are
>>> executed as it is exporting to html!
>>> 
>>> I don't think it was this way before?
>> 
>> 
>> AFAICS, nothing has changed in the way :session is handled for shell src blocks in a very
>> long time.
>> 
>> Perhaps, you had set `:eval never-export' previously, but not now. ??
>> 
>>> Is there a way to not have it
>>> execute each shell block when trying to export.
>> 
>> This seems to work as you would want:
>> 
>> #+begin_src shell :session sh-pcnw3 :eval never-export
>> /usr/bin/say something         # say it out loud!
>> #+end_src
>> 
>> 
>> If you can identify a release in which the behavior was as you said, it might be possible to
>> dig deeper.
> 
> Chuck, thanks for responding.
> 
> I've never had the never-export set. I'll try to go back and pinpoint
> when the change shows up if I can.
> 
> Is the difference between named session and without it expected? With
> the named session, the block is executed on export, and without it, it
> is not executed!


With the default `:exports code' (your case) or with `:exports none' the difference is expected. You can read `org-babel-exp-do-export' for details.

If I were you I wouldn't spend much time trying to run this down.  I'd just use `:eval never-export'.  It seems like that is the behavior you want.


Chuck