[gdm] (98 commits) Non-fast-forward update to branch wip/laney/systemd-user-switch

[Iain Lane <iainl src gnome org>]

The branch 'wip/laney/systemd-user-switch' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  c5f590c... manager: Find user's current graphical session, not session
  6743359... Pass the autostart directory via the environment
  d5a4211... Add systemd units
  e8b484d... Start gnome-session-systemd by default

Commits added to the branch:

  f44dbef... session-worker: set PWD for user session (*)
  79a7360... Merge branch 'wip/pwd-fix' into 'master' (*)
  feb1cf5... display-factory: avoid removing a display from store while  (*)
  ec2f5a8... Merge branch 'lr/store-purge' into 'master' (*)
  b0d1ca9... session-worker: unblock SIGUSR1 before PAM (*)
  47d6a70... Merge branch 'wip/rstrode/unblock-sigusr1' into 'master' (*)
  3797636... Update README, use Markdown. (*)
  ee10daa... Merge branch 'wip/nielsg/readme' into 'master' (*)
  1c2c5c2... autogoo: update Makefile to deal with recent docs changes (*)
  97f94ba... autogoo: add foreign to AC_INIT (*)
  acbc04e... local-display-factory: Add gdm_local_display_factory_use_wa (*)
  039b03c... local-display-factory: Use correct session-type for new tra (*)
  77c791a... Merge branch 'wip/use-wayland-when-user-switching' into 'ma (*)
  2352143... manager: make get_login_window_session_id fail if no login  (*)
  0e9f09d... common: dedupe gdm_get_login_window_session_id (*)
  6574b4f... common: dedupe activate_session_id (*)
  5e737a5... daemon: try harder to get to a login screen at logout (*)
  c221451... Merge branch 'wip/try-harder-to-get-a-login-screen' into 'm (*)
  9c33d11... local-display-factory: ensure non-seat0 codepath doesn't af (*)
  c0188a7... daemon: kill and restart greeter on demand under wayland (*)
  904b254... Merge branch 'wip/reap-greeter-on-login' into 'master' (*)
  b27df79... NEWS: update for release (*)
  e8dad15... configure: bump to 3.29.90 (*)
  ca14628... Add CI to GDM. (*)
  8b163aa... Merge branch 'wip/nielsdg/add-ci' into 'master' (*)
  3bd4407... local-display-factory: add more debug messages to new vt ha (*)
  e163389... local-display-factory: don't start two greeters at startup (*)
  8169cd4... session-worker: don't switch VTs if we're already on the ri (*)
  846ea87... Merge branch 'wip/fix-double-greeters' into 'master' (*)
  4efc034... session-worker: don't set PAM_TTY to bogus value on failure (*)
  11fe198... Merge branch 'wip/fix-pam-group' into 'master' (*)
  cf8d918... local-display-factory: don't jump to failed display (*)
  4c790bf... local-display-factory: add some more debug statements (*)
  0e92e2c... Merge branch 'wip/fix-xorg-fallback' into 'master' (*)
  1ac1697... display-store: Pass the display object rather than the id i (*)
  59149d1... display: tie skeleton handlers to object lifetime (*)
  8ce95db... Merge branch 'wip/CVE-2018-14424-use-after-free' into 'mast (*)
  841a217... NEWS: update for release (*)
  0d64be3... configure: bump to 3.29.91 (*)
  d868eb3... local-display-factory: ignore spurios SeatNew signal at sta (*)
  21867af... Merge branch 'wip/hopefully-fix-startup-problem' into 'mast (*)
  285bb54... data: Makefile.am (*)
  68e764b... Merge branch 'master' into 'master' (*)
  385b9c2... Search sessions in XDG_DATA_DIRS (*)
  efd50c0... Merge branch 'xdg-session-dirs' into 'master' (*)
  d80a8a3... session: make sure conversation is closed before its freed (*)
  64e1e9c... Merge branch 'wip/fix-dbus-leak' into 'master' (*)
  e7c1087... data: 61-gdm.rules.in (*)
  4d53ac0... Merge branch 'disable-wayland-huawei-hi1710' into 'master' (*)
  7f8c798... manager: plug leak (*)
  8d4ee62... common: get rid of some tabs that snuck in (*)
  c0c62e4... common: remove unnecessary free (*)
  591bf8f... Merge branch 'wip/misc-fixes' into 'master' (*)
  83666d6... common: don't bail if session disappears out from under us (*)
  923a778... manager: better logind handling (*)
  5883b17... session-worker: clear VT before jumping to it (*)
  a6f5373... session-worker: fix current vt detection short-circuit logi (*)
  80b46e2... manager: don't set ran_once after running initial-setup (*)
  2f3065c... manager: start initial setup right away (*)
  9f7fc71... Merge branch 'wip/fix-initial-setup' into 'master' (*)
  7086187... gdm-wayland-session,gdm-x-session: register after delay (*)
  74ee777... local-display-factory: defer killing greeter until new sess (*)
  c274ef8... Merge branch 'wip/flicker-fix' into 'master' (*)
  365c58c... launch-environment: use wayland for initial-setup (*)
  49433d8... manager: don't kill initial-setup before starting user sess (*)
  1525c3c... Merge branch 'wip/initial-setup-flicker-fix' into 'master' (*)
  937283e... NEWS: update for release (*)
  92784a8... configure: bump to 3.29.92 (*)
  e8f1181... manager: fix build with --without-plymouth (*)
  d86a80e... local-display-factory: fix build with --disable-user-displa (*)
  cb16727... Merge branch 'BUILD-FIXES-EEK' into 'master' (*)
  239007c... NEWS: update for release (*)
  a82bb31... configure: bump to 3.30.0 (*)
  519220d... Update Belarusian translation (*)
  ef231c2... autogoo: make udev rules dir configurable (*)
  5cd7860... data: disable wayland for proprietary nvidia machines (*)
  839c950... Merge branch 'no-wayland-for-nvidia' into 'master' (*)
  cda8de2... daemon: Move the waiting the session to have taken over the (*)
  5db19c5... Merge branch 'stop-greeter-fix' into 'master' (*)
  7d1faca... local-display-factory: don't autoreap initial-setup (*)
  c5c5bf1... manager: rework how autologin is figured out (*)
  39fb4ff... manager: don't run autologin display on tty1 (*)
  c71bc5d... local-display-factory: Remove initial VT is in use check (*)
  4176921... local-display-factory: Remove same VT so don't switch check (*)
  2882e80... local-display-factory: handle reviving displays that are wa (*)
  f40c940... Merge branch 'wip/gdm-vt-switch-fixes' into 'master' (*)
  e9ae09e... NEWS: update for release (*)
  9e532ea... configure: bump to 3.30.1 (*)
  a3904bf... manager: correct display confusion (*)
  b569c1e... Merge branch 'wip/fix-autologin' into 'master' (*)
  36fe0a1... manager: do initial-setup post work in manager code (*)
  6376d3d... Merge branch 'initial-setup-fix' into 'master' (*)
  119b8e4... Update Esperanto translation (*)
  9c70130... Update Malayalam translation (*)
  7bb3cb3... manager: Find user's current graphical session, not session (*)
  ea2d2c7... Pass the autostart directory via the environment (*)
  783f216... Add systemd units (*)
  825535f... Start gnome-session-systemd by default

(*) This commit already existed in another branch; no separate mail sent