A PPA for the Unity2D fallback patch

[Haggai Eran]

I think I have an idea. I'd like to use you as a test subject before I
create a package, if that's okay :)

We can override the selected desktop in an Xsession script. Why don't you
try to create a file named /etc/X11/Xsession.d/50_unity_2d_rtl_fallback (as
root), with the following contents:

# This file is sourced by Xsession(5), not executed.
# Select the right session if we have already done
# an unity check, try to check it other

if [ "x$DESKTOP_SESSION" = "xubuntu" ] && [ -x /usr/bin/gettext ] && \
   [ "x`/usr/bin/gettext --domain=gtk30 default:LTR`" = "xdefault:RTL" ];
then
    # Using a right-to-left locale. Fallback to Unity2D.
    DESKTOP_SESSION="ubuntu-2d"
    GDMSESSION="ubuntu-2d"
    STARTUP="`echo $STARTUP | sed
's/--session=ubuntu\>/--session=ubuntu-2d/'`"
fi


This method also has an advantage over patching the unity_support_test
program, since it can be packaged independently of the nux packages.

Haggai

On 1 April 2012 00:15, Shahar Or <mightyiampresence at gmail.com> wrote:

>
> On Mar 31, 2012 10:54 PM, "Haggai Eran" <haggai.eran at gmail.com> wrote:
> >
> > I see. The existance of the file /tmp/unity_support_test.0 is causing
> the test to pass. I think it should have been deleted when you rebooted,
> but apparently it didn't... I'll try to think of a workaround that works
> even when this file exists.
>
> K I see the problem. This file is global. Because this test is global. Our
> test is per user.
>
> This has to be an additional mechanism that doesn't get overridden by the
> existence of this file.
>
> >
> > Haggai
> >
> > On 31 March 2012 22:44, Shahar Or <mightyiampresence at gmail.com> wrote:
> >>
> >>
> >>
> >> On 31 March 2012 22:23, Haggai Eran <haggai.eran at gmail.com> wrote:
> >>>
> >>> Okay,
> >>>
> >>> Would you mind running these two commands and writing the results?
> >>>>
> >>>> /usr/lib/nux/unity_support_test ; echo $?
> >>>> ls /tmp/unity_support_test*
> >>
> >> Script started on Sat 31 Mar 2012 10:41:27 PM IDT
> >> test at shahar-desktop:~$ /usr/lib/nux/unity_support_test ; echo $?
> >> 0
> >> test at shahar-desktop:~$ ls /tmp/unity_support_test*
> >> /tmp/unity_support_test.0  /tmp/unity_support_test.1
> >> test at shahar-desktop:~$ exit
> >>
> >> Script done on Sat 31 Mar 2012 10:42:20 PM IDT
> >>>
> >>>
> >>> Thanks,
> >>> Haggai
> >>>
> >>> On 31 March 2012 22:02, Shahar Or <mightyiampresence at gmail.com> wrote:
> >>>>
> >>>> On 31 March 2012 19:18, Haggai Eran <haggai.eran at gmail.com> wrote:
> >>>>>
> >>>>> It is independent. Please try running
> >>>>>>
> >>>>>> /usr/lib/nux/unity_support_test -p
> >>>>>
> >>>>> and tell me what the results are.
> >>>>
> >>>>
> >>>> The results are that while the user is logged in a Unity session and
> the desktop is Hebrew, the tests all show yes excluding the locale test
> which shows no and thus the final line is the Unity is no. But Unity still
> runs. Not Unity 2D.
> >>>>
> >>>>>
> >>>>>
> >>>>> Haggai
> >>>>>
> >>>>> On 31 March 2012 19:12, Shahar Or <mightyiampresence at gmail.com>
> wrote:
> >>>>>>
> >>>>>>
> >>>>>> On Mar 31, 2012 6:39 PM, "Haggai Eran" <haggai.eran at gmail.com>
> wrote:
> >>>>>> >
> >>>>>> > Yes, but I think /tmp files are cleaned every reboot.
> >>>>>> I did reboot. Not working. What could be different? Does our test
> depend on other tests or is it independent?
> >>>>>>
> >>>>>> >
> >>>>>> > Haggai
> >>>>>> >
> >>>>>> > בתאריך 2012 3 31 18:09, מאת "Shahar Or" <
> mightyiampresence at gmail.com>:
> >>>>>> >
> >>>>>> >> Wouldn't that be the case with any existing installation? That
> the file exists?
> >>>>>> >>
> >>>>>> >> On Mar 31, 2012 5:53 PM, "Haggai Eran" <haggai.eran at gmail.com>
> wrote:
> >>>>>> >>>
> >>>>>> >>> Hi Shahar,
> >>>>>> >>>
> >>>>>> >>> I tested the PPA package on my netbook. One thing I know that
> might prevent it from working is the cache that the test keeps in /tmp. If
> it found your system to be capable of running Unity (3D) it keeps a file in
> /tmp named /tmp/unity_support_test.0. If you ran the script before
> installing the package, then this file might cause the test to pass.
> >>>>>> >>>
> >>>>>> >>> Haggai
> >>>>>> >>>
> >>>>>> --
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> >>>>>
> >>>>>
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> >>
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