[PostGIS] #1577: Add support for .zip input in shp2pgsql

[PostGIS]

#1577: Add support for .zip input in shp2pgsql
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  Reporter:  strk                 |      Owner:  mcayland
      Type:  enhancement          |     Status:  new
  Priority:  low                  |  Milestone:  PostGIS Fund Me
 Component:  utils/loader-dumper  |    Version:  master
Resolution:                       |   Keywords:
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Comment (by Darafei Praliaskouski <me@…>):

 In [changeset:"45c26068ef27de003a39e69c01532340063ecc13/git" 45c2606/git]:
 {{{#!CommitTicketReference repository="git"
 revision="45c26068ef27de003a39e69c01532340063ecc13"
 Clarify shp2pgsql zip archive input

 Report .zip archive input before the loader tries to open shapefile
 sidecar files, and document that shapefiles must be unpacked before
 loading.

 References #1577

 Closes https://github.com/postgis/postgis/pull/1109
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/1577#comment:2>
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