Hg (b0.B0_vcs_repo.Hg)

val get_cmd : 
  ?search:B0_std.Cmd.tool_search ->
  ?cmd:B0_std.Cmd.t ->
  unit ->
  (B0_std.Cmd.t, string) Stdlib.result

get_cmd () looks for hg with Os.Cmd.get ?search.

val find : 
  ?search:B0_std.Cmd.tool_search ->
  ?dir:B0_std.Fpath.t ->
  unit ->
  (t option, string) Stdlib.result

find ~dir () finds, using VCS functionality, an hg repository starting in directory dir (if unspecified this is the cwd).