class Riffer::Rig::Tools::Bash::Output

# File lib/riffer/rig/tools/bash/output.rb, line 17
def call(context:, job_id:)
  jobs = context&.[](:jobs) #: Riffer::Rig::Runtime::Jobs?
  return error('no background job registry in the context', type: :command_failed) unless jobs

  # Read past the cut, so truncate marks the output it drops.
  output = jobs.read(job_id, 2 * Riffer::Rig::Tools::Bash::MAX_OUTPUT_BYTES)&.last
  return error("No background job #{job_id}", type: :not_found) unless output

  # A read starts at a byte offset and stops at a byte limit, either of which
  # can split a multibyte character. Stripping first could shrink a read back
  # under the limit and lose the marker for the output skipped behind it.
  output = truncate(output.scrub).rstrip
  text(output.empty? ? '(no new output)' : output)
end