ref: 361febde1cb39a9df4ff8955d35b4bcccb5e1a8d
dir: /sys/src/cmd/hg/README/
Basic install: $ make # see install targets $ make install # do a system-wide install $ hg debuginstall # sanity-check setup $ hg # see help See http://mercurial.selenic.com/ for detailed installation instructions, platform-specific notes, and Mercurial user information.