[QGIS-Developer] Is the apps\qgis folder cleared before installing a new QGIS version in osgeo4w?

[delazj at gmail.com]

Hi, 
Le 28 févr. 2018 00:17, Nyall Dawson <nyall.dawson at gmail.com> a écrit :
>
> Hi all, (but specifically Jürgen!)
>
> I'm wondering if the existing content of the apps\qgis folder is
> removed before a new QGIS version is install via osgeo4w?
>
> My suspicion is that it is not -- at least on a desktop which
> previously had 2.18 installed via the qgis package and which was just
> upgraded to 3.0 I see some old content present. Specifically, the
> fTools and GdalTools folder is left in apps\qgis\python\plugins.
>

See issue report at https://issues.qgis.org/issues/16138

Regards, 
Harrissou 

> This report leads me to believe I'm not seeing an isolated issue:
> https://gis.stackexchange.com/questions/272679/gdaltools-core-plugin-missing-metadata-file/272682#272682
>
> Does osgeo4w have support for preinstall scripts which we could use to
> wipe the python/plugins folder prior to an install?
>
> Nyall
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