port -e, environment mode

[pixilla (Bradley Giesbrecht)]

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