3 # Docker controlling module
40     DOCKER = 2  variable in EngineEnum
80     if USE_ENGINE in [EngineEnum.AUTO, EngineEnum.DOCKER]:
81         commands += [["docker"], ["sudo", "-n", "docker"]]
84             # docker version will return the client details in stdout
141     we don't need qemu in the docker path to run (due to persistent
204                       img_name + ".docker")
221 class Docker(object):  class
222     """ Running Docker commands """
226         if ("docker" in self._command and
314                                              dir=docker_dir, suffix=".docker")
402     """Invoke docker run and take care of cleaning up"""
412         return Docker().run(argv, args.keep, quiet=args.quiet,
417     """ Build docker image out of a dockerfile. Arg: <tag> <dockerfile>"""
430                             Docker image, fulfilling the ADD directive from the
436                             help="cache from docker registry")
446         dkr = Docker()
452             # Create a docker context directory for the build
476             # Copy any extra files into the Docker context. These can be
503     """ Fetch a docker image from the registry. Args: <tag> <registry>"""
510                             help="Docker registry")
513         dkr = Docker()
521     """ Update a docker image. Args: <tag> <actions>"""
539         # Create a Docker buildfile
591         dkr = Docker()
598     """Clean up docker instances"""
602         Docker().clean()
607     """Run "docker images" command"""
611         return Docker().command("images", argv, args.quiet)
615     """Probe if we can run docker automatically"""
620             docker = Docker()
621             if docker._command[0] == "docker":
622                 print("docker")
623             elif docker._command[0] == "sudo":
624                 print("sudo docker")
625             elif docker._command[0] == "podman":
639                             help="The docker image in which to run cc")
657         return Docker().run(cmd, False, quiet=args.quiet,
664     parser = argparse.ArgumentParser(description="A Docker helper",