(rule
 (alias graphs)
 (deps
  ../scripts/gen_graphs.py
  ../scripts/extract_metadata.py
  (source_tree ../theory))
 (targets
  theorems.json
  dependency.dot
  dependency.svg
  dependency.png
  rules.dot
  rules.svg
  rules.png
  reduction.dot
  reduction.svg
  reduction.png)
 (mode promote)
 (action
  (run python3 ../scripts/gen_graphs.py
       --outdir .
       --meta theorems.json
       --theory ../theory)))