init.lua

local obj = {}
obj.__index = obj

-- Metadata
obj.name = "TaskHelper"
obj.version = "0.0.1"
obj.author = "Jacob Williams <jacobaw@gmail.com>"
obj.license = "MIT - https://opensource.org/licenses/MIT"
obj.homepage = "https://github.com/brokensandals/motley-hammerspoons"

--- TaskHelper.logger
--- Variable
--- An instance of hs.logger
obj.logger = hs.logger.new('TaskHelper', 'info')

--- TaskHelper.run(title, path[, arguments[, options]])
--- Function
--- Runs the executable at the given path, with the given table of arguments.
--- If the exit code is nonzero, a failure notification will be shown.
--- Stdout and stderr are output with TaskHelper.logger at info and warning level respectively
--- Options:
---   notifyOnSuccess: if true, show a temporary success notification when the command completes successfully
function obj.run(title, path, arguments, options)
  options = options or {}
  function taskCallback(exitCode, stdOut, stdErr)
    logTitle = title .. " " .. path .. " " .. hs.inspect.inspect(arguments)
    exitMsg = "returned " .. exitCode
    logExitMsg = logTitle .. " " .. exitMsg
    notifMsg = path .. " " .. exitMsg
    if exitCode == 0 then
      obj.logger.i(logExitMsg)
      if options.notifyOnSuccess then
        hs.notify.show(title, 'Succeeded', notifMsg)
      end
    else
      obj.logger.w(logExitMsg)
      hs.notify.new({
        title = title,
        subTitle = "Failed",
        informativeText = notifMsg,
        autoWithdraw = false,
        withdrawAfter = 0
      }):send()
    end
    if stdOut and stdOut ~= '' then
      obj.logger.i('stdout for ' .. logTitle .. ':\n' .. stdOut)
    end
    if stdErr and stdErr ~= '' then
      obj.logger.w('stderr for ' .. logTitle .. ':\n' .. stdErr)
    end
  end
  hs.task.new(path, taskCallback, arguments):start()
end

return obj