[PATCH 0 of 2] Retrieve tag from build using archives

[Gilles Moris]

This is a concept of adding a line in .hg_archival.txt to store the tags.
This enables to get the version tag from an archive.

 mercurial/archival.py |  13 ++++++++++---
 setup.py              |   5 +++--
 2 files changed, 13 insertions(+), 5 deletions(-)