[postgis-tickets] [PostGIS] #3789: Windows installer aborts with unhelpful message if the wrong PostgreSQL installation directory is selected

[PostGIS]

#3789: Windows installer aborts with unhelpful message if the wrong PostgreSQL
installation directory is selected
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 Reporter:  realityexists          |      Owner:  strk
     Type:  defect                 |     Status:  new
 Priority:  low                    |  Milestone:
Component:  build/upgrade/install  |    Version:  2.3.x
 Keywords:                         |
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 I ran the Windows installer downloaded from
 http://download.osgeo.org/postgis/windows/pg96/postgis-bundle-
 pg96x64-setup-2.3.2-1.exe

 When prompted for the PostgreSQL directory I accepted the default
 (C:\Program Files\PostgreSQL\9.6) and got an error:

 '''PostGIS has to be installed to the PostgreSQL folder.'''

 Problem 1: it's unclear what exactly "the PostgreSQL folder" is. I thought
 what I was selecting was "the PostgreSQL folder", because that's what I
 specified when I installed PostgreSQL. It turns out the installer wanted
 "C:\Program Files\PostgreSQL\9.6\pg96". (PostgreSQL was installed from the
 BigSQL installer, not the EnterpriseDB one.) The message should be more
 precise about what the installer is looking for to help the user find the
 right directory (and ideally find it automatically in the registry, but
 that's another story).

 Problem 2: the installer then aborts and I have to re-run it to try again.
 It should let the user choose a different folder.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3789>
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