weston-launch: improve help text for -u and -t
authorPekka Paalanen <pekka.paalanen@collabora.co.uk>
Wed, 1 Nov 2017 10:20:24 +0000 (12:20 +0200)
committerPekka Paalanen <pekka.paalanen@collabora.co.uk>
Tue, 28 Nov 2017 07:18:08 +0000 (09:18 +0200)
commit1a2adfedea74ae264eca7d4b8cbe6d1f04e552bf
treef2cfdc5d15a9dea9bd3c10f2db24882eaa280b2e
parent625f56f06250aa70f74b9c99a9d47d6009dda76d
weston-launch: improve help text for -u and -t

Explain that -u requires root and -t requires -u. Most importantly,
document in what format does -t expect the tty to be given.

It has been confusing, because Weston's --tty option takes an integer,
weston-launch takes a full device path.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Acked-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
libweston/weston-launch.c