[MacPorts] #33629: port -e, environment mode

[MacPorts]

#33629: port -e, environment mode
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 Reporter:  pixilla@…             |       Owner:  macports-tickets@…                   
     Type:  enhancement           |      Status:  new                                  
 Priority:  Normal                |   Milestone:                                       
Component:  base                  |     Version:  2.0.4                                
 Keywords:  haspatch              |        Port:                                       
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 Add a new port short arg "e" to print env info useful for support.

 {{{
 $ port -e version
 prefix: /opt/local
 portdbpath: /opt/local/var/macports
 applications_dir: /Applications/MacPorts
 frameworks_dir: /opt/local/Library/Frameworks
 sources_conf: /opt/local/etc/macports/sources.conf
 variants_conf: /opt/local/etc/macports/variants.conf
 universal_archs: x86_64 i386
 sources_conf: file:///Users/foo/misc/bitbucket/bar/macports/dports nosync
 sources_conf: file:///Users/foo/misc/macports/users/bar/dports nosync
 sources_conf:
 file:///opt/local/var/macports/sources/svn.macports.org/trunk/dports
 default
 variants_conf: +bash_completion
 PATH:
 /opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
 Version: 2.0.99
 }}}

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Ticket URL: <https://trac.macports.org/ticket/33629>
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