[QGIS-Developer] Qgis with ubuntgis dependancy broken

[Patrick Dunford]

I tested this last night on a VM running 2.18.13 on Ubuntu 16.04 x64.

I commented out the lines in sources.list for the PPA to the Ubuntugis 
archive and then issued the apt update command.

Checking the list, having excluded the Ubuntugis repository PPA, there 
was no GDAL in the list of packages available for upgrade.

With apt upgrade, the packages were installed then 2.18.14 works fine.

I would comment out the ubuntugis repository PPA lines in sources.list 
or its descendants (list files in sources.list.d) unless it actually 
tells you that a package isn't available, which will presumably happen 
with the next point release in about 10 days, if it has been built to 
use the new version of GDAL.


On 28/11/17 20:59, Walter Lorenzetti wrote:
>
> Hi Patrick,
>
> thanks for reply and suggestions.
>
> I compile from source the development edition, but for server and 
> desktop I use repository.
>
> I'll try your example if the issue continue for long time.
>
> W
>
>
> Il 27/11/2017 16:33, Patrick Dunford ha scritto:
>> There is no mandated requirement to use the Ubuntugis repository for 
>> 2.18. The latest edition of 2.18 is available from the non-ubuntugis 
>> Qgis repository for xenial.
>>
>> Do you have that option available to you?
>>
>> If you need the development edition (2.99) unfortunately the 
>> developers are not supporting this on Xenial because of a package 
>> dependency that is not supported by the Ubuntu repositories for 
>> Xenial, even though it should in theory be possible to get the 
>> required package(s) from another repository.
>>
>> If you have used apt upgrade to update all the packages in your 
>> system at once, including new ubuntugis packages, don't update all 
>> the packages this way. Just update qgis by itself, and it won't pull 
>> the new ubuntugis packages if it doesn't need them.
>>
>> The more technically astute might try commenting out the ubuntugis 
>> repository from apt's sources.list files or fragments before issuing 
>> the apt update command, or playing with Apt pinning settings to 
>> prioritise repositories.
>>
>> Example: I installed Debian buster/testing and then attempted to 
>> install Qgis 2.99 sid/unstable. This told me it needed a package from 
>> Debian sid/unstable repositories. I changed the master repository for 
>> debian to unstable and then apt update tells me there are hundreds of 
>> new packages from unstable I could install. I only want it to install 
>> the packages needed for qgis so instead of running apt upgrade, I 
>> just run apt install qgis etc to only pull the unstable packages it 
>> actually needs for this installation, and then change the Debian 
>> master repository back to buster.
>>
>> The above options may not suit every situation where ubuntugis has to 
>> be used, obviously it does not suit your particular requirement if 
>> you have to have the latest ubuntugis packages for other reasons, 
>> however it may resolve the situation for someone else.
>>
>> On 28/11/17 02:23, Walter Lorenzetti wrote:
>>>
>>> Thanks Patrick for replay, I user ubuntugis for other project in my 
>>> work ..
>>>
>>> W
>>>
>>>
>>
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> -- 
>
> Walter Lorenzetti phD
> email: lorenzetti at gis3w.it
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