ref: b9eb7258bdb1b244af91dbe75595d55d3de810d4
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.