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.log
            supplies   file:bar.txt
            supplies   file:foo.txt
            supplies   file:plan.py
            supplies   step:./plan.py
            supplies   step:./step.py

step:./plan.py
             workdir = ./
             command = ./plan.py
               state = SUCCEEDED
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:foo.txt
             creates   step:./step.py

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

step:./step.py
             workdir = ./
             command = ./step.py
               state = SUCCEEDED
  consumes (amended) = file:foo.txt
  supplies (amended) = file:bar.log
                     = file:bar.txt
   env_var (amended) = INP_VAR_TEST_STEPUP_BAR
                     = INP_VAR_TEST_STEPUP_FOO
          created by   step:./plan.py
            consumes   file:./
            consumes   file:foo.txt
             creates   file:bar.log
             creates   file:bar.txt
            supplies   file:bar.log
            supplies   file:bar.txt

file:bar.txt
                path = bar.txt
               state = BUILT
          created by   step:./step.py
            consumes   file:./
            consumes   step:./step.py

file:bar.log
                path = bar.log
               state = VOLATILE
          created by   step:./step.py
            consumes   file:./
            consumes   step:./step.py
