Class: MiniMagick::Shell

Inherits:
Object
  • Object
show all
Defined in:
lib/mini_magick/shell.rb

Overview

Sends commands to the shell (more precisely, it sends commands directly to the operating system).

Instance Method Summary collapse

Instance Method Details

#execute(command, stdin: "", timeout: MiniMagick.timeout) ⇒ Object 



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# File 'lib/mini_magick/shell.rb', line 29

def execute(command, stdin: "", timeout: MiniMagick.timeout)
  stdout, stderr, status = log(command.join(" ")) do
    Open3.capture3({ "MAGICK_TIME_LIMIT" => timeout&.to_s }, *command, stdin_data: stdin)
  end

  [stdout, stderr, status&.exitstatus]
rescue Errno::ENOENT, IOError
  ["", "executable not found: \"#{command.first}\"", 127]
end

#run(command, errors: MiniMagick.errors, warnings: MiniMagick.warnings, **options) ⇒ Object 



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# File 'lib/mini_magick/shell.rb', line 13

def run(command, errors: MiniMagick.errors, warnings: MiniMagick.warnings, **options)
  stdout, stderr, status = execute(command, **options)

  if status != 0
    if stderr.include?("time limit exceeded")
      fail MiniMagick::TimeoutError, "`#{command.join(" ")}` has timed out"
    elsif errors
      fail MiniMagick::Error, "`#{command.join(" ")}` failed with status: #{status.inspect} and error:\n#{stderr}"
    end
  end

  $stderr.print(stderr) if warnings

  [stdout, stderr, status]
end