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

file:./
               state = STATIC
          created by   root:
            supplies   file:FOO-stderr.txt
            supplies   file:FOO-stdout.txt
            supplies   file:FOO.txt
            supplies   file:plan.py
            supplies   step:runpy ./plan.py
            supplies   step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt

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

step:runpy ./plan.py
               state = SUCCEEDED
             env_var = ENV_VAR_TEST_STEPUP_PREFIX [amended]
                     = STEPUP_PATH_FILTER [amended]
           explained = yes
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:FOO.txt
             creates   step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt

file:FOO.txt
               state = STATIC
          created by   step:runpy ./plan.py
            consumes   file:./
            supplies   step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt

step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt
               state = SUCCEEDED
             env_var = ENV_VAR_TEST_STEPUP_PREFIX
           explained = yes
          created by   step:runpy ./plan.py
            consumes   file:./
            consumes   file:FOO.txt
             creates   file:FOO-stderr.txt
             creates   file:FOO-stdout.txt
            supplies   file:FOO-stderr.txt
            supplies   file:FOO-stdout.txt

file:FOO-stdout.txt
               state = BUILT
          created by   step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt
            consumes   file:./
            consumes   step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt

file:FOO-stderr.txt
               state = VOLATILE
          created by   step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt
            consumes   file:./
            consumes   step:runsh grep variable FOO.txt ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > FOO-stdout.txt 2> FOO-stderr.txt
