Circle CI status in vim-airline

vim-airline-circle-ci-status

let g:circle_last_update = localtime()
let g:circle_update_frequencey_in_seconds = 30

function! UpdateCirlceStatus()
  let output = system('circle status')
  if v:shell_error
    let g:circle_last_status = 'fail'
  else
    let g:circle_last_status = 'pass'
  endif
  return g:circle_last_status
endfunction

let g:circle_last_status = UpdateCirlceStatus()

function! CircleStatus()
  let current_time = localtime()
  if current_time - g:circle_last_update > g:circle_update_frequencey_in_seconds
    let g:circle_last_update = current_time
    echo "Checking CI"
    call UpdateCirlceStatus()
  endif
  return g:circle_last_status
endfunction

let g:airline_section_b = "%{CircleStatus()}"

depends upon: https://github.com/aesnyder/circle-cli