phase: put retractboundary out of the loop in advanceboundary
It seems that we were calling retractboundary for each phases to process.
Putting the retractboundary out of the loop reduce the number of calls,
helping tracking the phases changes.
Mercurial
=========
Mercurial is a fast, easy to use, distributed revision control tool
for software developers.
Basic install:
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
Running without installing:
$ make local # build for inplace usage
$ ./hg --version # should show the latest version
See https://mercurial-scm.org/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.