[Ubuntu] Fwd: Stable update

Tue May 3 11:17:31 PDT 2016

Hello,

I found this blog post about debian packaging. I hope it can help some, at
least for me it is very clear and focused :)

https://www.leaseweb.com/labs/2013/06/creating-custom-debian-packages/

2016-04-29 18:37 GMT+01:00 Randal Hale <rjhale at northrivergeographic.com>:

> Bas - if we ever meet I owe you a beer or 10 for that explanation.
>
> I will also be doing a lot of reading and figuring out how I can fit into
> this process.
>
> On 04/29/2016 01:33 PM, Worth Lutz wrote:
>
> WOW! That is a very complete explanation!
>
> It explains why I'm seeing PostgreSql updates and not MapServer.
>
> I hope I'll be able to figure out how to help. It looks like I'll be doing
> a lot of reading this weekend.
>
> Thanks,
> *Worth Lutz*
>
>
> On 4/29/2016 12:56 PM, Sebastiaan Couwenberg wrote:
>
> On 04/29/2016 04:33 PM, Worth Lutz wrote:
>
> You mention dealing with the version in Ubuntu and the version in
> UbuntuGIS. This is always something I have not understood.
>
> I've never understood the policies of how the versions come downstream
> from Debian to Ubuntu. What updates get made by DebianGIS? Do these flow
> down to Ubuntu? Or are Debian and Ubuntu stuck at a certain revision and
> a ppa like UbuntuGIS is used to provide updated packages?
>
> The Debian GIS team updates the packaging as soon as possible after a
> new upstream release is made. These packages are uploaded to Debian
> unstable most often, or to experimental in case of pre-releases or new
> releases that break the ABI and need a transition. Packages migrate from
> the Debian unstable repository to the testing repositories after 5 to 10
> days if the version is not affected by a Release Critical bug. After
> about two years of development the package versions in the testing
> repository get frozen in preparation of the new stable release, the
> remaining release critical bugs get fixed after which the release is
> published (installer images generated, documentation updates, etc).
> Package revisions in the stable release remain frozen as they were in
> the testing suite in preparation of the release. Only security fixes and
> other important bugfixes are made to the packages in stable, this rules
> out upgrading to new upstream releases. Some exceptions exists like
> postgresql, mysql whose release engineering matches the Debian QA
> requirements.
>
> Ubuntu syncs new packages from Debian unstable as part of their
> development cycle. For the unstable suite this is a mostly automatic
> process. In preparation of a new release the development repository is
> frozen and a similar process as for Debian releases follows. After
> release only targeted fixes are included in packages.
>
> The general flow of a new upstream releases into Debian and Ubuntu
> releases is as follows:
>
>  Upstream release
>   ↳ Debian unstable → testing → stable
>      ↳ Ubuntu development → release
>
> The Debian GIS team maintains source packages for most of the packages
> that are used in the UbuntuGIS PPA. Generally the process to update a
> package in the UbuntuGIS PPA is to checkout the latest revision from the
> Debian GIS git repository and create a no-change rebuild for the Ubuntu
> LTS release in question. This is not an automatic process, it requires
> some one involved in the UbuntuGIS team to prepare the builds for
> Ubuntu. Because updates to packages in the UbuntuGIS PPA are not
> governed by the strict rules for Ubuntu releases newer upstream versions
> can be provided, the popularity of the PPA proves the need for newer
> versions of the GIS packages than included in the Ubuntu releases.
>
> Backports for the Debian stable releases provide in a similar need for
> Debian stable users. Package revisions that have migrated to the testing
> repository and meet other requirements are eligible for backporting. The
> core libraries (gdal, geos, etc) are not good candidates for backports,
> because all packages that depend on any of the libraries need to be
> rebuilt for SONAME bumps and may need additional changes as well. Such
> updates are included in UbuntuGIS increasing the burden for its
> contributors because they need to manage those transitions themselves too.
>
> Kind Regards,
>
> Bas
>
>
>
>
>
> _______________________________________________
> UbuntuGIS mailing listUbuntu at lists.osgeo.orghttp://lists.osgeo.org/mailman/listinfo/ubuntuhttp://trac.osgeo.org/ubuntugis/wiki
>
>
> --
> -----------------
> Randal Hale
> North River Geographic Systems, Inchttp://www.northrivergeographic.com
> 423.653.3611 rjhale at northrivergeographic.com
> twitter:rjhale     http://about.me/rjhalehttp://www.northrivergeographic.com/introduction-to-quantum-gishttps://www.facebook.com/NRGSInc
>
>
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>

-- 
Regards,
Marco Afonso
http://goo.gl/ZDtQjm

-- 
Regards,
Marco Afonso
http://goo.gl/ZDtQjm
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