dune

(vendored_dirs vendors)
(dirs :standard \ node_modules)

(rule
 (alias init)
 (enabled_if (and (not %{env:FROZEN_LOCKFILE=false}) (not %{env:PURE_LOCKFILE=false})))
 (targets (dir node_modules))
 (deps package.json yarn.lock)
 (action
  (progn
  (no-infer (copy yarn.lock yarn.lock.old))
  (run chmod +w yarn.lock)
  (run yarn install)
  (no-infer (copy yarn.lock yarn.lock.gen))
  (no-infer (copy yarn.lock.old yarn.lock))
  (no-infer (diff yarn.lock yarn.lock.gen)))))
(rule
 (alias init)
 (enabled_if (and %{env:FROZEN_LOCKFILE=false} (not %{env:PURE_LOCKFILE=false})))
 (targets (dir node_modules))
 (deps package.json yarn.lock)
 (action (run yarn install --frozen-lockfile)))
(rule
 (alias init)
 (enabled_if %{env:PURE_LOCKFILE=false})
 (targets (dir node_modules))
 (deps package.json yarn.lock)
 (action (run yarn install --pure-lockfile)))

(rule (alias clean) (action (echo "running - dune build @clean\n")))