[Live-demo] [OSGeo] #1776: Install libgdal-grass metapackage instead of version specific library package

[OSGeo]

#1776: Install libgdal-grass metapackage instead of version specific library
package
-------------------------+---------------------------
 Reporter:  sebastic     |      Owner:  live-demo@…
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  OSGeoLive10.5
Component:  LiveDVD      |   Keywords:
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 Starting from `libgdal-grass (2.1.1-1~exp1)` the `libgdal-grass` source
 package provides the `libgdal-grass` metapackage which depends on the
 version specific library package (e.g. `libgdal20-2.1.1-grass`).

 The metapackage is intended to ease installation and upgrade of the
 version specific library package, and is suggested by the `gdal-bin`
 package (not recommended to avoid a circular dependency that would
 complicate upgrades).

 Once the GDAL packages in OSGeo-Live are upgraded to version 2.1.1 or
 later attachment:install_grass.patch can be applied to install the
 metapackage instead of the version specific library package, removing the
 need to change the version in the install script every time the GDAL
 version changes.

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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/1776>
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