class RubyCritic::SourceControlSystem::Mercurial

def self.supported?
  hg_verify = `hg verify 2>&1`
  hg_verify && $CHILD_STATUS.success?
end

def self.to_s
  'Mercurial'
end

def date_of_last_commit(path)
  `hg log #{path.shellescape} --template '{date|isodate}' --limit 1`.chomp
end

def revision?
  false
end

def revisions_count(path)
  `hg log #{path.shellescape} --template '1'`.size
end