[Bug 668846] Re: No obvious error when Software Centre can't install due to Synaptic being open

[Matthew Paul Thomas]

Sebastian, I'm reopening this for aptdaemon because I think it should be
handled in one place, rather than USC, the Dash, Software Updater, and
Software Sources all having to implement it individually.

So, I've designed an alert that should appear to let you know what's
going on, with a choice to keep waiting or to cancel the operation.
<https://wiki.ubuntu.com/SoftwarePackageOperations?action=diff&rev2=14&rev1=11>
Does that all look practical to you?

** Changed in: aptdaemon (Ubuntu)
       Status: Opinion => Triaged

** Description changed:

- Binary package hint: software-center
+ Ubuntu Software Center 3.0.5, Ubuntu 10.10
  
  If Synaptic is running and you attempt to install software from the
  Software Centre, it just sits there with the in progress icon turning
  (see attached image). It is only when you click on the icon that it
  says: 'Waiting for synaptic to exit'. A notification would make this
  more obvious for the user.
  
- ProblemType: Bug
- DistroRelease: Ubuntu 10.10
- Package: software-center 3.0.5
- ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
- Uname: Linux 2.6.35-22-generic i686
- NonfreeKernelModules: nvidia
- Architecture: i386
- Date: Sat Oct 30 19:40:13 2010
- InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
- PackageArchitecture: all
- ProcEnviron:
-  LANG=en_GB.UTF-8
-  SHELL=/bin/bash
- SourcePackage: software-center
+ <https://wiki.ubuntu.com/SoftwarePackageOperations#general>: "If apt
+ (/var/lib/apt/lists/lock) or dpkg (/var/lib/dpkg/lock) is locked by
+ something other than aptdaemon (STATUS_WAITING_LOCK) for more than 30
+ seconds, an alert should appear once, '{calling application} can’t
+ install or remove software until {locking program} exits.', with
+ 'Cancel' and 'Keep Waiting' buttons..."

** Changed in: software-center (Ubuntu)
     Assignee: Matthew Paul Thomas (mpt) => (unassigned)

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https://bugs.launchpad.net/bugs/668846

Title:
  No obvious error when Software Centre can't install due to Synaptic
  being open

Status in “aptdaemon” package in Ubuntu:
  Triaged
Status in “software-center” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu Software Center 3.0.5, Ubuntu 10.10

  If Synaptic is running and you attempt to install software from the
  Software Centre, it just sits there with the in progress icon turning
  (see attached image). It is only when you click on the icon that it
  says: 'Waiting for synaptic to exit'. A notification would make this
  more obvious for the user.

  <https://wiki.ubuntu.com/SoftwarePackageOperations#general>: "If apt
  (/var/lib/apt/lists/lock) or dpkg (/var/lib/dpkg/lock) is locked by
  something other than aptdaemon (STATUS_WAITING_LOCK) for more than 30
  seconds, an alert should appear once, '{calling application} can’t
  install or remove software until {locking program} exits.', with
  'Cancel' and 'Keep Waiting' buttons..."

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