[macports-base] branch gsoc17-migrate updated (e743168 -> 973118a)

[Umesh Singla]

Umesh Singla (umeshksingla) pushed a change to branch gsoc17-migrate
in repository macports-base.

    from e743168  WIP: Sort ports before installing
     new 01c3b99  import migrate module to macports
     new 699e528  sorting ports finalized for installation and uninstallation
     new da3e5c4  remove unused VERSION variable
     new 288b104  fetching snapshot procedure in progress
     new 305873e  Add the required data structure for snapshot
     new 94f9ecc  Remove infrequently used sql indices
     new 973118a  Add SQL query for fetching a snapshot from a given id

The 7 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/cregistry/entry.c        |  59 +++++++++++++++++++++
 src/cregistry/entry.h        |  16 ++++++
 src/cregistry/sql.c          |  11 ----
 src/macports1.0/macports.tcl |  14 +++++
 src/macports1.0/migrate.tcl  | 121 ++++++++++++++++++++++++++++++++-----------
 src/macports1.0/snapshot.tcl |  12 +++--
 src/registry2.0/entry.c      |  32 ++++++++++--
 7 files changed, 216 insertions(+), 49 deletions(-)