gem_gist.vim

function! gem_gist#upload(file, private, open, description, ...)
    if ! ( executable('gist') || executable('jist') )
        echoerr "This command requires gist gem. Please do `gem install gist.` or `gem install jist`"
        return
    endif

    if filereadable(a:file)
      if executable('gist')
        let cmd = join([
              \ 'gist',
              \ a:file,
              \ (a:private ? '--private' : '--no-private'),
              \ '--description', shellescape(a:description),
              \ (a:open ==# '!' ? '--open' : '--no-open')
              \ ], ' ')

      elseif executable('jist')
        let cmd = join([
              \ 'jist',
              \ a:file,
              \ (a:private ? '' : '--public'),
              \ '--description', shellescape(a:description),
              \ (a:open ==# '!' ? '--open' : '')
              \ ], ' ')
      endif
      let result = ''
      try
        let result = vimproc#system(cmd)
      catch
        let result = system(cmd)
      finally
        echo result
      endtry
    endif
  endfunction