root:
             version = v1
             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:another.txt
            supplies   file:copy.txt
            supplies   file:original.txt
            supplies   file:plan.py
            supplies   step:./plan.py
            supplies   step:cp copy.txt another.txt
            supplies   step:cp original.txt copy.txt

step:./plan.py
             workdir = ./
             command = ./plan.py
               state = SUCCEEDED
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:original.txt
             creates   step:cp copy.txt another.txt
             creates   step:cp original.txt copy.txt

step:cp copy.txt another.txt
             workdir = ./
             command = cp copy.txt another.txt
               state = SUCCEEDED
          created by   step:./plan.py
            consumes   file:./
            consumes   file:copy.txt
             creates   file:another.txt
            supplies   file:another.txt

file:copy.txt
                path = copy.txt
               state = BUILT
          created by   step:cp original.txt copy.txt
            consumes   file:./
            consumes   step:cp original.txt copy.txt
            supplies   step:cp copy.txt another.txt

file:another.txt
                path = another.txt
               state = BUILT
          created by   step:cp copy.txt another.txt
            consumes   file:./
            consumes   step:cp copy.txt another.txt

step:cp original.txt copy.txt
             workdir = ./
             command = cp original.txt copy.txt
               state = SUCCEEDED
          created by   step:./plan.py
            consumes   file:./
            consumes   file:original.txt
             creates   file:copy.txt
            supplies   file:copy.txt

file:original.txt
                path = original.txt
               state = STATIC
          created by   step:./plan.py
            consumes   file:./
            supplies   step:cp original.txt copy.txt
