class RSpec::Core::Bisect::ShellRunner

def self.name
  :shell
end

def self.start(shell_command, _spec_runner)
  Server.run do |server|
    yield new(server, shell_command)
  end
end

def initialize(server, shell_command)
  @server        = server
  @shell_command = shell_command
end

def original_results
  @original_results ||= run_locations(@shell_command.original_locations)
end

def run(locations)
  run_locations(locations, original_results.failed_example_ids)
end

def run_command(cmd)
  Open3.capture2e(@shell_command.bisect_environment_hash, cmd).first
end

def run_command(cmd)
  out = err = nil
  original_spec_opts = ENV['SPEC_OPTS']
  ENV['SPEC_OPTS'] = @shell_command.spec_opts_without_bisect
  Open3.popen3(cmd) do |_, stdout, stderr|
    # Reading the streams blocks until the process is complete
    out = stdout.read
    err = stderr.read
  end
  "Stdout:\n#{out}\n\nStderr:\n#{err}"
ensure
  ENV['SPEC_OPTS'] = original_spec_opts
end

def run_locations(*capture_args)
  @server.capture_run_results(*capture_args) do
    run_command @shell_command.command_for([], @server)
  end
end