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:bar.txt
            supplies   file:foo.txt
            supplies   file:plan.py
            supplies   step:./plan.py
            supplies   step:cp -aT foo.txt bar.txt
            supplies   step:echo test > foo.txt

step:./plan.py
             workdir = ./
             command = ./plan.py
               state = SUCCEEDED
       extended hash = yes
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   step:cp -aT foo.txt bar.txt
             creates   step:echo test > foo.txt

step:cp -aT foo.txt bar.txt
             workdir = ./
             command = cp -aT foo.txt bar.txt
               state = SUCCEEDED
       extended hash = yes
          created by   step:./plan.py
            consumes   file:./
            consumes   file:foo.txt
             creates   file:bar.txt
            supplies   file:bar.txt

file:foo.txt
                path = foo.txt
               state = BUILT
          created by   step:echo test > foo.txt
            consumes   file:./
            consumes   step:echo test > foo.txt
            supplies   step:cp -aT foo.txt bar.txt

file:bar.txt
                path = bar.txt
               state = BUILT
          created by   step:cp -aT foo.txt bar.txt
            consumes   file:./
            consumes   step:cp -aT foo.txt bar.txt

step:echo test > foo.txt
             workdir = ./
             command = echo test > foo.txt
               state = SUCCEEDED
       extended hash = yes
          created by   step:./plan.py
            consumes   file:./
             creates   file:foo.txt
            supplies   file:foo.txt
