root:
             version = v1

(file:plan.py)
                path = plan.py
               state = STATIC
            consumes   (file:./)

(file:./)
                path = ./
               state = STATIC
            supplies   (file:plan.py)

(step:./plan.py)
             workdir = ./
             command = ./plan.py
               state = PENDING

(dg:'README.*')

(dg:'*.md')

(step:cat README.md)
             workdir = ./
             command = cat README.md
               state = PENDING
