Untouch Extension  Save or restore modification times of files.
1. Status  This extension is not distributed with Mercurial.
Author: Michael Platings  Repository:
http://bitbucket.org/mplatings/hg-untouch/  2. Overview  For
users of languages such as C++ that can have long compilation
times, a fairly major irritation of Mercurial is the following
scenario:  The untouch extension remedies this problem by saving
and restoring file modification times.  This extension can be
used in 3 ways:    1. When running hg pull with the --rebase
option and without any resulting conflicts. The extension will
automatically restore file modified times without any user
input.        hg pull --rebase   2. To explicitly save file
modified times and later restore them.      Running
hg untouch --save will record the modified times of files in the
working directory whose status is "added" or "modified" as well
as files that are modified by ancestor changesets whose phase is
"draft" or "secret".      Running hg untouch will restore