Add -w or --workdir to compose run to override workdir from commandline

Signed-off-by: Simon van der Veldt <simon.vanderveldt@gmail.com>

compose/cli/main.py

@@ -527,6 +527,7 @@ class TopLevelCommand(object):
                                   to the host.
             -T                    Disable pseudo-tty allocation. By default `docker-compose run`
                                   allocates a TTY.
+            -w, --workdir=""      Working directory inside the container
         """
         service = self.project.get_service(options['SERVICE'])
         detach = options['-d']
@@ -576,6 +577,9 @@ class TopLevelCommand(object):
         if options['--name']:
             container_options['name'] = options['--name']
 
+        if options['--workdir']:
+            container_options['working_dir'] = options['--workdir']
+
         run_one_off_container(container_options, self.project, service, options)
 
     def scale(self, options):