hi what doe the

--check

commands do. following the CI tutorial and got the following output when running

./pants tailor --check update-build-files --check

[WARN] No arguments specified with `./pants tailor`, so the goal will do nothing.

Instead, you should provide arguments like this:

  * `./pants tailor ::` to run on everything
  * `./pants tailor dir::` to run on `dir` and subdirs
  * `./pants tailor dir` to run on `dir`
  * `./pants --changed-since=HEAD tailor` to only run on changed and new files
13:28:03.85 [WARN] No arguments specified with `./pants update-build-files`, so the goal will do nothing.

Instead, you should provide arguments like this:

  * `./pants update-build-files ::` to run on everything
  * `./pants update-build-files dir::` to run on `dir` and subdirs
  * `./pants update-build-files dir` to run on `dir`
  * `./pants update-build-files dir/BUILD` to run on that single BUILD file
  * `./pants --changed-since=HEAD update-build-files` to run only on changed BUILD files