[macports-base] branch master updated (6b8b5ca3b -> f745b4543)

[Clemens Lang]

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

    from 6b8b5ca3b snapshot: Handle errors with unknown snapshot IDs
     new f92ba30f9 port: Use stderr for progress bars
     new 4d9e8a125 snapshot: Add JSON export functionality
     new f745b4543 snapshot: Add JSON import functionality

The 3 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.


Summary of changes:
 src/macports1.0/snapshot.tcl | 280 ++++++++++++++++++++++++++++++++++++++++++-
 src/port/port.tcl            |  24 ++--
 2 files changed, 290 insertions(+), 14 deletions(-)