local utils = require 'utils'

-- dirconfig

local function not_installed(program)
  return utils.which(program) == nil
end

local function needs(config, program, glob)
  if not_installed(program) then
    table.insert(config.exclude, glob)
  end
end

local function enhanced_dircfg(config)
  setmetatable(config, { __index = { needs = needs } })
  return config
end


return {
  not_installed = not_installed,
  needs = needs,
  enhance_dircfg = enhanced_dircfg,
}