inhibit: don't abort when directaccess is not enabled
When directaccess is not enabled, we should just print a warning and not set up
inhibit. We don't need to abort in that case. Example: if the user is running
hg showconfig, we don't want to crash as the command is unrelated to inhibit.
syntax: re
/figures/[^/]+\.png$
^docs/build/
^docs/html/
^html/
\.pyc$
~$
\.swp$
\.orig$
\.rej$
\.err$
^tests/easy_run.sh$
^build/
^MANIFEST$
^docs/tutorials/.*\.rst$
\.ico$