root:
             version = v1
             creates   file:./
             creates   file:/
             creates   file:plan.py
             creates   step:./plan.py

file:plan.py
                path = plan.py
               state = STATIC
          created by   root:
            consumes   file:./
            supplies   step:./plan.py

file:./
                path = ./
               state = STATIC
          created by   root:
            supplies   file:plan.py
            supplies   step:./plan.py

step:./plan.py
             workdir = ./
             command = ./plan.py
               state = SUCCEEDED
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:/usr/
             creates   file:/usr/bin/
             creates   file:/usr/bin/env

file:/usr/
                path = /usr/
               state = STATIC
          created by   step:./plan.py
            consumes   file:/
            supplies   file:/usr/bin/

file:/
                path = /
               state = STATIC
          created by   root:
            supplies   file:/usr/

file:/usr/bin/
                path = /usr/bin/
               state = STATIC
          created by   step:./plan.py
            consumes   file:/usr/
            supplies   file:/usr/bin/env

file:/usr/bin/env
                path = /usr/bin/env
               state = STATIC
          created by   step:./plan.py
            consumes   file:/usr/bin/
