[postgis-tickets] [PostGIS] #5092: Stop filling up the disk with upgrade scripts

[PostGIS]

#5092: Stop filling up the disk with upgrade scripts
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 Reporter:  strk                   |      Owner:  strk
     Type:  enhancement            |     Status:  new
 Priority:  medium                 |  Milestone:
Component:  build/upgrade/install  |    Version:
 Keywords:                         |
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 They are really too much:
 {{{
 [strk at c19:~] ls `pg_config --sharedir`/extension/postgis* | wc -l
 1922
 }}}

 And mine is a relatively new machine.

 This ticket is a placeholder to bring the idea of having a single, unique
 upgrade script (one per *target*) upstream to PostgreSQL.

 We're effectively having such single file upgrade since forever (before
 EXTENSION even existed).

 Starting with commit [cff01033637ddcf984d12edbbecc9f70b0e4de4e/git]
 (3.3.0dev) the `postgis_extensions_upgrade()` effectively makes the
 `ANY--<target>` extension file the ONLY file required for the upgrade.

 The `loader/postgis` script already did this as of commit
 [8ab82431e5b080ee0f65810afecd9028e2bc3744/git] (3.1).

 We started installing that file with commit
 [04e8d00d8b55df69705c316fb2feecce23a29bfc/git] (2.5)

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5092>
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