destupdate: include the 'check' logic
After moving logic from 'merge.update' into 'destutil.destupdate', we are now
moving logic from 'command.update' in 'destutil.destupdate'. This will make the
function actually useful in predicting (and altering) the update behavior.
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.