[MacPorts] #34567: Add /opt/local/lib/postgresql91/bin to $PATH on install and remove it on uninstall

[MacPorts]

#34567: Add /opt/local/lib/postgresql91/bin to $PATH on install and remove it on
uninstall
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 Reporter:  sam.kuper@…            |       Owner:  macports-tickets@…                   
     Type:  request                |      Status:  new                                  
 Priority:  Normal                 |   Milestone:                                       
Component:  ports                  |     Version:  2.1.1                                
 Keywords:                         |        Port:  postgresql91                         
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 It would be helpful if upon installing the postgresql91 port, the
 following directory was added to the $PATH environment variable:

 /opt/local/lib/postgresql91/bin

 and if the same directory was removed from the $PATH environment variable
 upon uninstalling the same port.

 This would be helpful for the following reason: it would allow the "pg"
 Ruby gem to be installed simply by specifying it in a Gemfile and then
 running "bundle install", because it would make pg_config visible on the
 $PATH.

 Quite a lot of people seem to encounter this problem.

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Ticket URL: <https://trac.macports.org/ticket/34567>
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