Re: [Sugar-devel] SoaS font scaling issue

2009-12-22 Thread James Cameron
On Tue, Dec 22, 2009 at 10:04:37PM -0500, Walter Bender wrote:
> Seems we need to look in two places (the first for the XO 1.5 and the
> second for the XO 1.0):
> 
> if os.path.exists('/etc/olpc-release') or \
>os.path.exists('/sys/power/olpc-pm'):

You'll get /etc/olpc-release on any hardware running that operating
system build.  At least /etc/olpc-release is also available in 802.

It seems adequate.

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Re: [Sugar-devel] SoaS font scaling issue

2009-12-22 Thread James Cameron
On Tue, Dec 22, 2009 at 09:53:39PM -0500, Art Hunkins wrote:
> Any sure-fire (and hopefully simple) way to recognize the XO-1.5?

I don't know when it began to be available, but there are several
OpenFirmware filesystem entries that can be read by an activity; they
contain text without terminating line break.

- /ofw/architecture contains OLPC,

- /ofw/model contains B1, B2, B3, B4, C2 for the XO-1, and D1 onwards
  for the XO-1.5,

- /ofw/banner-name contains /ofw/architecture, a blank space, then
  /ofw/model.

Works for me on XO-1 build 802 and XO-1.5 build os64.

I don't know if there is any other recommended way.

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Re: [Sugar-devel] SoaS font scaling issue

2009-12-22 Thread Walter Bender
Seems we need to look in two places (the first for the XO 1.5 and the
second for the XO 1.0):

if os.path.exists('/etc/olpc-release') or \
   os.path.exists('/sys/power/olpc-pm'):

-walter

On Tue, Dec 22, 2009 at 9:53 PM, Art Hunkins  wrote:
> Oh, my. (Another glitch to work around.)
>
> Assuming fonts work in 1.5 as is 1.0, I need to find a way to leave XO-1.5
> alone as well.
>
> Any sure-fire (and hopefully simple) way to recognize the XO-1.5?
>
> (Walter suggested the 1.0 code - thanks, Walter.)
>
> Art Hunkins
>
> - Original Message -
> From: "James Cameron" 
> To: "Art Hunkins" 
> Cc: "Daniel Drake" ; 
> Sent: Tuesday, December 22, 2009 9:40 PM
> Subject: Re: [Sugar-devel] SoaS font scaling issue
>
>
>> On Tue, Dec 22, 2009 at 09:21:54PM -0500, Art Hunkins wrote:
>>>     def scale_font(self, widget):
>>>       if not os.path.exists("/sys/power/olpc-pm"):
>>
>> (Interesting.  XO-1.5 does not have this path.  XO-1 does.)
>>
>> --
>> James Cameron
>> http://quozl.linux.org.au/
>
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[Sugar-devel] Fw: SoaS font scaling issue

2009-12-22 Thread Art Hunkins
Sorry, communication with my website is acting up.

To look at my entire OurMusic.activity (.xo), download the link, but add the 
gtk.rc_parse line (below) anywhere near the beginning of ourmusic.py. (I.e., 
do it with and without; activity text-size will not change.)

Art Hunkins

- Original Message - 
From: "Art Hunkins" 
To: "Daniel Drake" 
Cc: 
Sent: Tuesday, December 22, 2009 9:21 PM
Subject: Re: SoaS font scaling issue


> Here is the issue:
>
> All text passes through the code below, which uses pango only - no 
> reference to default font-size. It nicely sizes text to fit appropriately 
> on all (landscape) screens.
>
>def scale_font(self, widget):
>  if not os.path.exists("/sys/power/olpc-pm"):
>font = widget.get_pango_context().get_font_description()
>width = gtk.gdk.screen_width()
>size = (width * .00067)
>if (os.path.exists("/etc/fedora-release")):
>  if not open("/etc/fedora-release").read().find("Strawberry") 
> == -1:
>size = (width * .00105)
>font.set_size(int(font.get_size() * pango.SCALE_LARGE * size))
>widget.modify_font(font)
>
> To test whether with changed default font-size, my text will comparably 
> resize, I insert the following line near the beginning of my activity:
>
> gtk.rc_parse_string(''' style "default" { font_name = "Sans 30" } ''')
>
> This makes the menu-bar text nice and big, but leaves my activity text 
> unchanged. I want the activity text to change as well. (I'm also currently 
> looking to vary the default font-size by working with GConf - so far 
> unsuccessfully.)
>
> An .xo bundle of the activity with these features is available at 
> http://www.arthunkins.com/OurMusic-2.xo. The added rc_parse line is near 
> the beginning of ourmusic.py - commented out. Try with and without 
> (activity text remains the same).
>
> The scale_font routine is toward the beginning of csndsugui.py.
>
> Thanks so much for your suggestions.
>
> Art Hunkins
>
> - Original Message - 
> From: "Daniel Drake" 
> To: "Art Hunkins" 
> Sent: Tuesday, December 22, 2009 5:57 PM
> Subject: Re: SoaS font scaling
>
>
>> On Sun, 2009-12-20 at 22:15 -0500, Art Hunkins wrote:
>>> To simulate such changes, I added the following line toward the 
>>> beginning of
>>> my activities:
>>> gtk.rc_parse_string (''' style "default" { font_name = "Sans 30" } ''')
>>>
>>> This nicely enlarges the font of text in the menu bar at screen top, but 
>>> it
>>> leaves unchanged the font size within my activity! I had expected that
>>> changes such as made by the string above would be reflected in Pango
>>> automatically, and hence rescale everything.
>>
>> I don't know what's happening, sorry. You should ask on the mailing
>> lists, including a link to your code.
>>
>> Daniel
>>
>>
> 

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Re: [Sugar-devel] SoaS font scaling issue

2009-12-22 Thread Art Hunkins
Oh, my. (Another glitch to work around.)

Assuming fonts work in 1.5 as is 1.0, I need to find a way to leave XO-1.5 
alone as well.

Any sure-fire (and hopefully simple) way to recognize the XO-1.5?

(Walter suggested the 1.0 code - thanks, Walter.)

Art Hunkins

- Original Message - 
From: "James Cameron" 
To: "Art Hunkins" 
Cc: "Daniel Drake" ; 
Sent: Tuesday, December 22, 2009 9:40 PM
Subject: Re: [Sugar-devel] SoaS font scaling issue


> On Tue, Dec 22, 2009 at 09:21:54PM -0500, Art Hunkins wrote:
>> def scale_font(self, widget):
>>   if not os.path.exists("/sys/power/olpc-pm"):
>
> (Interesting.  XO-1.5 does not have this path.  XO-1 does.)
>
> -- 
> James Cameron
> http://quozl.linux.org.au/ 

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Re: [Sugar-devel] SoaS font scaling issue

2009-12-22 Thread James Cameron
On Tue, Dec 22, 2009 at 09:21:54PM -0500, Art Hunkins wrote:
> def scale_font(self, widget):
>   if not os.path.exists("/sys/power/olpc-pm"):

(Interesting.  XO-1.5 does not have this path.  XO-1 does.)

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Re: [Sugar-devel] SoaS font scaling issue

2009-12-22 Thread Art Hunkins
Here is the issue:

All text passes through the code below, which uses pango only - no reference 
to default font-size. It nicely sizes text to fit appropriately on all 
(landscape) screens.

def scale_font(self, widget):
  if not os.path.exists("/sys/power/olpc-pm"):
font = widget.get_pango_context().get_font_description()
width = gtk.gdk.screen_width()
size = (width * .00067)
if (os.path.exists("/etc/fedora-release")):
  if not open("/etc/fedora-release").read().find("Strawberry") 
== -1:
size = (width * .00105)
font.set_size(int(font.get_size() * pango.SCALE_LARGE * size))
widget.modify_font(font)

To test whether with changed default font-size, my text will comparably 
resize, I insert the following line near the beginning of my activity:

gtk.rc_parse_string(''' style "default" { font_name = "Sans 30" } ''')

This makes the menu-bar text nice and big, but leaves my activity text 
unchanged. I want the activity text to change as well. (I'm also currently 
looking to vary the default font-size by working with GConf - so far 
unsuccessfully.)

An .xo bundle of the activity with these features is available at 
http://www.arthunkins.com/OurMusic-2.xo. The added rc_parse line is near the 
beginning of ourmusic.py - commented out. Try with and without (activity 
text remains the same).

The scale_font routine is toward the beginning of csndsugui.py.

Thanks so much for your suggestions.

Art Hunkins

- Original Message - 
From: "Daniel Drake" 
To: "Art Hunkins" 
Sent: Tuesday, December 22, 2009 5:57 PM
Subject: Re: SoaS font scaling


> On Sun, 2009-12-20 at 22:15 -0500, Art Hunkins wrote:
>> To simulate such changes, I added the following line toward the beginning 
>> of
>> my activities:
>> gtk.rc_parse_string (''' style "default" { font_name = "Sans 30" } ''')
>>
>> This nicely enlarges the font of text in the menu bar at screen top, but 
>> it
>> leaves unchanged the font size within my activity! I had expected that
>> changes such as made by the string above would be reflected in Pango
>> automatically, and hence rescale everything.
>
> I don't know what's happening, sorry. You should ask on the mailing
> lists, including a link to your code.
>
> Daniel
>
> 

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Re: [Sugar-devel] GConf

2009-12-22 Thread Art Hunkins
Thanks, Walter. I see it now.

I note that whereas ~/.gconf doesn't have a %gconf.xml file, all the several 
layers of subdirectories do. However, all are empty except two, and they 
have nothing to do with fonts.

Can you suggest which %gconf.xml to manually add a (temporary) entry to, for 
font-testing purposes? (I.e., to set a font size other than 10.) Also, the 
format for that code?

I've tried the "normal" method for specifying font size ("gtk-font-name" and 
gtk.Settings). This results in varied size menu-bar text, but no change in 
my Pango-based text size. My conclusion: either this old method is 
deprecated, or I haven't yet found the proper mechanism to connect 
Pango-based font sizing with system defaults.

I'm lost, and would appreciate further guidance from you experts.

Art Hunkins

- Original Message - 
From: "Walter Bender" 
To: "Art Hunkins" 
Cc: 
Sent: Tuesday, December 22, 2009 3:29 PM
Subject: Re: [Sugar-devel] GConf


> It is a directory, not a file. ~/.gconf
>
> -walter
>
> On Tue, Dec 22, 2009 at 2:12 PM, Art Hunkins  wrote:
>> Where does the GConf file live?
>>
>> I've built a font-resizing routine that works well on different format
>> screens and that utilizes only Pango, not system defaults.
>>
>> I'm eager to know that it functions well with different GConf settings.
>>
>> If it's not obvious how to change the default font_size in GConf (for
>> testing purposes), I'd appreciate a suggestion here as well.
>>
>> Art Hunkins
>>
>> ___
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>>
>
>
>
> -- 
> Walter Bender
> Sugar Labs
> http://www.sugarlabs.org 

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Re: [Sugar-devel] GConf

2009-12-22 Thread Walter Bender
It is a directory, not a file. ~/.gconf

-walter

On Tue, Dec 22, 2009 at 2:12 PM, Art Hunkins  wrote:
> Where does the GConf file live?
>
> I've built a font-resizing routine that works well on different format
> screens and that utilizes only Pango, not system defaults.
>
> I'm eager to know that it functions well with different GConf settings.
>
> If it's not obvious how to change the default font_size in GConf (for
> testing purposes), I'd appreciate a suggestion here as well.
>
> Art Hunkins
>
> ___
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> Sugar-devel@lists.sugarlabs.org
> http://lists.sugarlabs.org/listinfo/sugar-devel
>



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[Sugar-devel] GConf

2009-12-22 Thread Art Hunkins
Where does the GConf file live?

I've built a font-resizing routine that works well on different format 
screens and that utilizes only Pango, not system defaults.

I'm eager to know that it functions well with different GConf settings.

If it's not obvious how to change the default font_size in GConf (for 
testing purposes), I'd appreciate a suggestion here as well.

Art Hunkins 

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[Sugar-devel] Fwd: Call for Proposals Now Open

2009-12-22 Thread Sameer Verma
Is anyone proposing sessions at OSCON 2010?

Sameer

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From: O'Reilly Open Source Convention 
Date: Tue, Dec 22, 2009 at 9:06 AM
Subject: Call for Proposals Now Open
To: sve...@sfsu.edu


OSCON, the O'Reilly Open Source Convention
July 19 - 23, 2010
Oregon Convention Center
Portland, OR
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Faster, Freer, Smarter: Whatever your Goal, Make It Happen with Open Source

More than 2,500 experts, developers, sys admins, and hackers will meet up at
OSCON 2010 to explore the tools, services, and platforms that make up the
vibrant open source ecosystem. Join us!

The OSCON Call for Participation is now open. If you have winning
techniques, favorite lifesavers, war stories, productivity tips, or other
ideas to share, we want to hear from you. We're especially on the look-out
for ways to do more with less, design and usability best practices, mobile
device innovations, cloud computing, parallelization, open standards and
data, open source in government, business models, and beyond.

Speak up about the freedom--and opportunity--of open source at OSCON 2010.
Submit your proposal by February 1, 2010 at:
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[Sugar-devel] Sugar Digest 2009-12-22

2009-12-22 Thread Walter Bender
=== Sugar Digest ===

1. Tomeu Vizoso blogged [http://blog.tomeuvizoso.net/] about his trip
to Uruguay. He attended the First International Event on Experiences
about the Ceibal Plan [http://www.ceibal09.com.uy/]. As well he spent
time at LATU [http://www.latu.org.uy/] (Laboratorio Tecnológico del
Uruguay), the organization managing the technical aspects of the
Sugar/OLPC deployment in Uruguay. While it was a great opportunity for
Tomeu to see Sugar in action and meet local teachers and
technologists, perhaps the most important aspect of the trip was that
he had the opportunity to lead the .uy community closer to the
mainline Sugar community.

"The concrete issue they found when developing on their own was that
every time that their upstream (OLPC) produced a new image build, in
order to benefit from the improvements in that release they had to
apply the customizations made locally, solve any conflicts and retest
everything. If they had contributed those modifications to Sugar, OLPC
images would have come with them and no further work would be needed.
Reaching the point in which they can directly use the OLPC images
as-is is still a bit far away, but every bit that they integrate
upstream is a step in the right direction and reduces their
development and support costs. Also, when their employees work within
the communities that maintain their software, they work directly with
the most qualified engineers in those technologies, increasing local
capacity."

You can read first-hand reports from Uruguay here
[http://olpc-ceibal.blogspot.com/].

2. John Markoff of the ''New York Times'' wrote about a new book by
Jim Gray, ''A Deluge of Data Shapes a New Era in Computing''
[http://www.nytimes.com/2009/12/15/science/15books.html]. According to
Markoff, Gray, who works for Microsoft, describes an "era in which an
“exaflood” of observational data was threatening to overwhelm
scientists. The only way to cope with it, he argued, was a new
generation of scientific computing tools to manage, visualize and
analyze the data flood." He argues for government support for "cheaper
clusters of computers to manage and process all this[sic] data." The
goal is "to have a world in which all of the science literature is
online, all of the science data is online, and they interoperate with
each other." Alas, there is no mention of Free Software in the
article. It is not clear to me how a proprietary system would solve
any of the problems Gray is describing. Sigh.

3. I have been working through a number of logistical and
administrative issues with the Software Freedom Conservancy with the
goal of streamlining our interactions with them. (Like Sugar Labs,
they are a volunteer organization—the extent to which we can smooth
out any mismatches in expectation or practice will well serve both
organizations. While we benefit from the numerous services provided by
the conservancy, we are also under an obligation to abide by its
mission--promoting FOSS projects--and work within its administrative
structure. With input from Karen and Bradley, I've written up some
administrative procedures for handling transactions
[http://wiki.suagrlabs.org/go/Sugar_Labs/Governance/Transactions]
regarding requests for payment, project proposal approvals, and
license requests in the wiki. Feedback is most welcome.

=== From the community ===

4. Raúl Gutiérrez Segalés and the Sugar/OLPC team in Paraguay have
developed an inventory and tracking system for helping to manage
deployment logistics. There tool lets you:
* import list of children and their document IDs; and upload
information about schools, teachers, geographic coordinates, etc.;
* keep track of laptops given to children;
* report tickets (screen broken, OS reinstall needed); do follow-ups;
and close tickets;
* use an embedded Google-maps widget to track access points and
servers and their availability;
* generate reports: laptops delivered; open tickets; network status;
network availability over time; laptops spread among schools; etc.;
* report stolen laptops (so they won't get more leases);
* automatize generation of leases (based on the status of laptops:
activated, stolen, etc.)

The manual (in Spanish) is available here
[http://wiki.paraguayeduca.org/index.php/Inventario_manual]. An
English-language manual is in the works.

To install the package, you'll need to add their repository:
Create the file /etc/yum.repos.d/pyeduca.repo with the following content:
[pyeduca-base]
name=Packages used by Paraguay Educa
baseurl=http://repo.paraguayeduca.org/yum/base
enabled=1
gpgcheck=0

Then:
yum install inventario

5. Jim Simmons is writing a FLOSSmanual guide to writing Sugar
Activities for beginners (See
[http://en.flossmanuals.net/bin/view/ActivitiesGuideSugar/WebHome]).

=== Help Wanted ===

6. Tomeu has created a new page in the wiki
[http://wiki.suagrlabs.org/go/Vacants] for describing "vacancies" in
our community.

=== Tech Talk ===

7. Chris Ball announce Build OS64 as the "final" release build f

[Sugar-devel] [ASLO] Release Visual Match-12

2009-12-22 Thread Sugar Labs Activities
Activity Homepage:
http://activities.sugarlabs.org/addon/4246

Sugar Platform:
0.82 - 0.86

Download Now:
http://activities.sugarlabs.org/downloads/file/26528/visual_match-12.xo

Release notes:
* reverting to 3 colors to simplify game play
* experimenting with different styles of number games
* adding bold, italic to word cards
* refactoring of sprites library


Sugar Labs Activities
http://activities.sugarlabs.org

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Re: [Sugar-devel] Using XO - Camera through the XO Emulator

2009-12-22 Thread Sascha Silbe

On Tue, Dec 22, 2009 at 12:50:55PM -0200, Gonzalo Jorge wrote:

I am planning on creating avtivities using the XO camera, that's why I 
was

wondering if anyone got the XO Emulator to properly handle the camera.
If you're talking about sugar-emulator: All it does is letting Sugar run 
in a window while another "desktop" (or just a window manager) is 
already running. The "emulator" part is the name is misleading, we don't 
emulate any hardware. Sugar will behave exactly like it would when run 
as a regular desktop on the current machine.
In your case that means it should access any connected (or built-in) 
webcam quite fine.


If sugar-emulator is not what you're using, I'd be interested in what it 
is and where you got it from.


CU Sascha

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Re: [Sugar-devel] Using XO - Camera through the XO Emulator

2009-12-22 Thread Peter Robinson
On Tue, Dec 22, 2009 at 2:50 PM, Gonzalo Jorge  wrote:
> Hi everyone,
>
> I am planning on creating avtivities using the XO camera, that's why I was
> wondering if anyone got the XO Emulator to properly handle the camera.
> I know that there are limitations regarding using specialized hardwar,
> that's why I wanted to know which would be the best way to approach this
> scenario.

Not sure about through an emulator but you can use any standard camera
that is supported by video 4 linux 2. For example you could install
the Fedora 12 with the sugar desktop environment on any device with a
supported camera for testing your app, or even use a Sugar on a Stick
LiveCD on a device for testing.

Peter
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Re: [Sugar-devel] Using XO - Camera through the XO Emulator

2009-12-22 Thread Rafael Enrique Ortiz Guerrero
In your case it would be better to use SOAS or TOAST on a webcam
capable computer, and do the tests and modifications there.

having an .xo bundle you can ask for feedback on it's performance in an XO.



Rafael Ortiz



On Tue, Dec 22, 2009 at 9:50 AM, Gonzalo Jorge  wrote:
> Hi everyone,
>
> I am planning on creating avtivities using the XO camera, that's why I was
> wondering if anyone got the XO Emulator to properly handle the camera.
> I know that there are limitations regarding using specialized hardwar,
> that's why I wanted to know which would be the best way to approach this
> scenario.
>
> Thanks!
> Gonzalo Jorge
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[Sugar-devel] Using XO - Camera through the XO Emulator

2009-12-22 Thread Gonzalo Jorge
Hi everyone,

I am planning on creating avtivities using the XO camera, that's why I was
wondering if anyone got the XO Emulator to properly handle the camera.
I know that there are limitations regarding using specialized hardwar,
that's why I wanted to know which would be the best way to approach this
scenario.

Thanks!
Gonzalo Jorge
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Re: [Sugar-devel] Carrier database support for GSM modem feature

2009-12-22 Thread Daniel Castelo
Great. Is very usefull!!!

On Mon, Dec 21, 2009 at 2:51 PM, Andrés Ambrois wrote:

> Hello,
>
> I have created http://dev.sugarlabs.org/ticket/1630 and added a patch with
> a
> first implementation of this feature. This depends on tch's patches [0], so
> I
> will need to update it if they change.
>
> Daniel, I just found out you were planning to work on this, does this patch
> adjust to your requirements?
>
> Cheers!
> --
>  -Andrés
>
> [0] http://dev.sugarlabs.org/ticket/1622
>
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Re: [Sugar-devel] ANN: rainbow-0.8.6 release.

2009-12-22 Thread Bert Freudenberg
On 22.12.2009, at 06:06, Michael Stone wrote:
> 
> Friends,
> 
> I am pleased to announce the release of rainbow-0.8.6. Rainbow implements
> portions of the isolation shell described in the Bitfrost threat model and
> security architecture.
> 
> The key differences between this release and its predecessor include support
> for garbage collection of uids, ui sugar for resuming uids, bug fixes to the
> resume logic, and a simplified singly-linked list library.
> 
> This release was made possible by encouragement and suggestions from Sascha
> Silbe, Bernie Innocenti, and Benjamin Mako Hill. It has been (minimally) 
> tested
> on Debian Sid, Ubuntu Karmic, and Fedora Rawhide and has been packaged in
> Fedora Rawhide for your convenience.
> 
> Interesting links for this release include:
> 
> git:git://dev.laptop.org/users/mstone/security
> tar:
> http://dev.laptop.org/~mstone/releases/SOURCES/rainbow-0.8.6.tar.bz2
> browse: 
> http://dev.laptop.org/git/users/mstone/security/tree/?id=rainbow-0.8.6
> setup:  http://wiki.laptop.org/go/Rainbow/Installation_Instructions
> tests:  http://wiki.laptop.org/go/Rainbow/Testing
> 
> The shortlog from rainbow-0.8.5..rainbow-0.8.6 is:
> 
> Bernie Innocenti (1):
>   Capture XAUTHORITY.
> 
> Michael Stone (19):
>   Remove unused flexibility from the spool option parsing code.
>   First pass at updated rainbow-gc.
>   Clean up group membership.
>   Protect sticky uids from garbage collection.
>   Clean up some per-uid Xephyr data.
>   Improve spool detection checks.
>   Install rainbow-gc.
>   Add some logging to rainbow-gc.
>   Make xephyr usage resumable.
>   Teach rainbow to resume uids with more auxiliary groups.
>   Add a simple resume subcommand.
>   Add INIT() and COPY() operators from dnshash.
>   Add a novel singly-linked list implementation.
>   Add test_endgrent script.
>   Simplify list traversal logic.
>   Fix Karmic sudo segfault.
>   Tweak warnings and link flags.
>   Set default spool location in rainbow-gc.
>   rainbow-0.8.6.
> 
> Kind regards,
> 
> Michael 

Yay!

- Bert -


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