Hg (b0.B0_vcs_repo.Hg)

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

get_cmd () looks for hg with B0_std.Os.Cmd.get.

val find : ?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).