[macports-base] branch master updated (8a8715359 -> 4504942d2)

[Joshua Root]

Joshua Root (jmroot) pushed a change to branch master
in repository macports-base.

    from 8a8715359 portlint.test: prefer lsearch -glob
     new 45c1f2373 Add fs_clone_capable command
     new 4504942d2 Use clonefile for port images, and detect hardlinks

The 2 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:
 configure                         |  18 ++++
 configure.ac                      |   7 +-
 doc/macports.conf.in              |  19 +++-
 src/config.h.in                   |   9 ++
 src/images_to_archives.tcl.in     |   3 +-
 src/macports1.0/macports.tcl      |  26 +++++-
 src/pextlib1.0/Pextlib.c          |  85 +++++++++++++++++
 src/port1.0/portinstall.tcl       |  43 +++++++--
 src/registry2.0/portimage.tcl     | 191 ++++++++++++++++++++++++++------------
 src/registry2.0/portuninstall.tcl |  26 +++++-
 10 files changed, 350 insertions(+), 77 deletions(-)