capture!

in _support/run.rb [7:13]

• 6 lines of code
• 2 McCabe index (conditional complexity)

def capture!(cmd, chdir='.')
  GitlabPagesSupport.print_cmd(cmd)
  output = IO.popen(cmd, chdir: chdir) { |io| io.read }
  fail_cmd!(cmd) unless $?.success?
  output
end