Public bug reported:
upstart "owns" (dpkg -S) a file /etc/X11/Xsession.d/99upstart which
changes the STARTUP environment variable to "init --user". This makes
the actual X session startup in 99x11-common_start go through upstart.
Since the environment variables used in calling init do not get passed
through to the actual upstart job, this squashes the environment
customization done in Xsession.d and before. For instance, lightdm's
session wrapper processes /etc/profile; 40x11-common_xsessionrc
processes .xsessionrc, but these customizations do not make it into the
user environment. (This is a very easy test case: put TESTVAR=1 in
.xsessionrc, log out and back in, echo $TESTVAR. Should display 1,
instead displays empty.)
Note this bug is not "upstart doesn't pass through the environment in
general," but "upstart specifically interferes with Xsession startup
such that the environment is not passed through." It's essentially an
interaction between upstart and x11-common.
This seems to be the root of the recurrence of bug #794315 and I have to
wonder about bug #1259877.
Tested on Xubuntu 14.04.1 LTS (updates channel enabled), upstart
1.12.1-0ubuntu4.2, x11-common 1:7.7+1ubuntu8
** Affects: upstart (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1386760
Title:
Upstart quashes Xsession.d environment
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