root:
             creates   file:./
             creates   file:plan.py
             creates   step:./plan.py

file:./
               state = STATIC
          created by   root:
            supplies   file:config.txt
            supplies   file:out_bar.txt
            supplies   file:out_foo.txt
            supplies   file:plan.py
            supplies   file:script.py
            supplies   step:./plan.py
            supplies   step:./script.py plan
            supplies   step:./script.py run -- bar
            supplies   step:./script.py run -- foo

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

step:./plan.py
               state = SUCCEEDED
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:config.txt
             creates   file:script.py
             creates   step:./script.py plan

file:config.txt
               state = STATIC
          created by   step:./plan.py
            consumes   file:./
            supplies   step:./script.py plan

file:script.py
               state = STATIC
          created by   step:./plan.py
            consumes   file:./
            supplies   step:./script.py plan
            supplies   step:./script.py run -- bar
            supplies   step:./script.py run -- foo

step:./script.py plan
               state = SUCCEEDED
          created by   step:./plan.py
            consumes   file:./
            consumes   file:config.txt
            consumes   file:script.py
             creates   step:./script.py run -- bar
             creates   step:./script.py run -- foo

step:./script.py run -- foo
               state = SUCCEEDED
          created by   step:./script.py plan
            consumes   file:./
            consumes   file:script.py
             creates   file:out_foo.txt
            supplies   file:out_foo.txt

file:out_foo.txt
               state = BUILT
          created by   step:./script.py run -- foo
            consumes   file:./
            consumes   step:./script.py run -- foo

step:./script.py run -- bar
               state = SUCCEEDED
          created by   step:./script.py plan
            consumes   file:./
            consumes   file:script.py
             creates   file:out_bar.txt
            supplies   file:out_bar.txt

file:out_bar.txt
               state = BUILT
          created by   step:./script.py run -- bar
            consumes   file:./
            consumes   step:./script.py run -- bar
