commands: inline definition of localrepo.parents() and drop the method (API)
localrepo.parents() has relatively few users, and most of those were
actually implicitly looking at the wctx, which is now made explicit
via repo[None].
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.