[Bug 1035261] Re: Port compiz to gsettings and consequently remove unity-2d

[Sam Spilsbury]

** Changed in: compiz
       Status: Confirmed => Fix Committed

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https://bugs.launchpad.net/bugs/1035261

Title:
  Port compiz to gsettings and consequently remove unity-2d

Status in Compiz:
  Fix Committed
Status in “compiz” package in Ubuntu:
  Fix Released
Status in “gnome-control-center” package in Ubuntu:
  Fix Released
Status in “gnome-session” package in Ubuntu:
  Fix Released
Status in “gnome-settings-daemon” package in Ubuntu:
  Fix Released
Status in “lightdm” package in Ubuntu:
  Fix Released
Status in “metacity” package in Ubuntu:
  Fix Released
Status in “nux” package in Ubuntu:
  Fix Released
Status in “ubuntu-meta” package in Ubuntu:
  Fix Released
Status in “ubuntu-release-upgrader” package in Ubuntu:
  Fix Released
Status in “unity” package in Ubuntu:
  Fix Released
Status in “unity-2d” package in Ubuntu:
  Fix Released
Status in “unity-greeter” package in Ubuntu:
  Fix Released

Bug description:
  Porting compiz and so unity to gsettings has a lot of consequences:
  - compiz:
    * remove the conffile for 2nd (autologin) fallback mechanism
    * build with gsettings support
    * add migration scripts
    * add xml files for the g-c-c integration (we used the metacity ones before)
  - unity :
    * gconf -> gsettings patches (2)
    * rebuild with the new gsettings compiz
    * add transitional packages for all unity-2d packages
    * add migration scripts
  - nux:
    * remove the X11 Xsession.d detection script
  - gnome-control-center:
   * should be ported in both the keyboard part by reverting the gsettings revert patch
   * in the unity background configuration panels to support gsettings
   * in the display configuration panels to support gsettings
  - gnome-settings-daemon to drop the gsettings revert patch:
  - metacity should be updated to >> 2.34.2 (gsettings integration, shared with compiz). Sync back with debian, demote to universe -> this forces us to drop a lot of patches to make unity-2d running
  - consequently, dropping unity-2d because of metacity patches won't be ported, and unity-2d isn't maintained to port from gconf to gsettings:. Removal from the archive
  - lightdm to transition people from unity-2d to unity-3d session
  - unity-greeter to drop hardware detection capability for nux
  - gnome-session to drop the unity-2d session and recommends
  - release-upgrader in precise to detect if the card can't run unity-3d, and if so, show a warning to tell to stay on the LTS
  - ubuntu-desktop seed to remove dep on unity-2d

  People forcing the upgrade or installing on a machine without hardware
  acceleration will then use unity with llvmpipe.

  ---------------
  WHAT IS REMAINING:

  ubuntu-release-upgrade -> we will deal that with mvo later on.

  all above components that are fix commited (apart unity):
  - bzr pull the vcs, release and dput it
  - metacity to sync with debian

  Unity: Packaging branches lp:~didrocks/unity/gsettings-transition -> continued at lp:~timo-jyrinki/unity/gsettings-transition2
  - build with latest compiz, check compiz version for build-dep (already bumped, but check if not shipped in a new tarball)
  - check that I ship correctly the .convert script and bump if needed the dep from unityc-ommon to compiz-gnome (already bumped, but check if not shipped in a new tarball)

  Compiz: packaging branches lp:~timo-jyrinki/compiz/ubuntu_quantal_trunk (against trunk) -> pushed to lp:ubuntu/compiz now / lp:~timo-jyrinki/compiz/ubuntu_quantal (merged in all the branches not yet in trunk, and additional changes)
  - merge all the gsettings branches to lp:compiz

  MISC:
  - PPA including all of above: https://launchpad.net/~timo-jyrinki/+archive/prerelease

  TESTING THE MIGRATION:

  1. have the old g-c-c, change unity values in it (launcher size, hide mode…), change keybindings (a lot of them in different categories, launcher, navigation… like changing workspace keys)
  2. install new g-c-c (lp:~ubuntu-desktop/gnome-control-center/ubuntu), compiz, unity with all the settings migration
  3. logout/login
  4. check that the keys are transitionned to the new system: launcher size/hide mode are the changed values and corresponds and the values are shown in the new g-c-c. Same thing with the changed keybidings.

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