class MiniMagick::Shell
Sends commands to the shell (more precisely, it sends commands directly to the operating system).
@private
Public Instance Methods
Source
# File lib/mini_magick/shell.rb, line 28 def execute(command, stdin: "", timeout: MiniMagick.timeout) env = MiniMagick.restricted_env ? ENV.to_h.slice("HOME", "PATH", "LANG") : {} # Using #to_h for Ruby 2.5 compatibility. env.merge!(MiniMagick.cli_env) env["MAGICK_TIME_LIMIT"] = timeout.to_s if timeout stdout, stderr, status = log(command.join(" ")) do Open3.capture3(env, *command, stdin_data: stdin, unsetenv_others: MiniMagick.restricted_env) end [stdout, stderr, status&.exitstatus] rescue Errno::ENOENT, IOError ["", "executable not found: \"#{command.first}\"", 127] end
Source
# File lib/mini_magick/shell.rb, line 12 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
Private Instance Methods
Source
# File lib/mini_magick/shell.rb, line 44 def log(command, &block) time_start = Process.clock_gettime(Process::CLOCK_MONOTONIC) value = block.call duration = Process.clock_gettime(Process::CLOCK_MONOTONIC) - time_start MiniMagick.logger.debug "[%.2fs] %s" % [duration, command] value end