[macports-base] branch migration created (now 980a1f6)

[Clemens Lang]

Clemens Lang (neverpanic) pushed a change to branch migration
in repository macports-base.

      at 980a1f6  Implement MacPorts migration

This branch includes the following new commits:

     new 980a1f6  Implement MacPorts migration

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.