So it seems that the problem is not that xorg doesn't set
DESKTOP_SESSION correctly, it's that SDDM uses an absolute path for this
instead of just the base name like every other window manager.
I'll fix it in Ubuntu; meanwhile, a bug is filed upstream. Linked here.
** Also affects: sddm (Ubuntu)
Importance: Undecided
Status: New
** Changed in: xorg (Ubuntu Bionic)
Status: Confirmed => Invalid
** Changed in: xorg (Ubuntu Bionic)
Importance: High => Wishlist
** Changed in: xorg (Ubuntu Bionic)
Assignee: Simon Quigley (tsimonq2) => (unassigned)
** Changed in: sddm (Ubuntu Bionic)
Status: New => In Progress
** Changed in: sddm (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: sddm (Ubuntu Bionic)
Assignee: (unassigned) => Simon Quigley (tsimonq2)
** Also affects: sddm via
https://github.com/sddm/sddm/issues/852
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/1668722
Title:
60x11-common_xdg_path uses $DESKTOP_SESSION which needs a sanity check
Status in SDDM:
Unknown
Status in sddm package in Ubuntu:
In Progress
Status in xorg package in Ubuntu:
Invalid
Status in sddm source package in Bionic:
In Progress
Status in xorg source package in Bionic:
Invalid
Bug description:
This file:
/etc/X11/Xsession.d/60x11-common_xdg_path
contains references to $DESKTOP_SESSION variable.
On one of my Ubuntu installs this variable contains: "plasma",
on the other it contains: "/usr/share/xsessions/plasma".
I don't know where either example comes from, but the upshot is that
paths are added to XDG_DATA_DIRS and XDG_CONFIG_DIRS that don't exist.
MANDATORY_PATH is also affected I believe, maybe others.
Surely a sanity check of the generated paths is in order. Seems
pointless to add non-existent ones.
$XDG_SESSION_DESKTOP looks like a replacement for $DESKTOP_SESSION,
but is that true?
Cheers!
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