Part 1 of the Implementation for new 'subpackages()` built-in helper function.

Design proposal: https://docs.google.com/document/d/13UOT0GoQofxDW40ILzH2sWpUOmuYy6QZ7CUmhej9vgk/edit#

This CL modifies the globber infrastructure to support an additional mode of listing sub-directories.

* Add new Globber Operation enum allowing, Globber implementations to
  discriminate between glob, glob w/directories and the future sub-packages
  use-case.

* Modify UnixGlob to replace Predicate and bools with UnixGlobPathDiscriminator interface for:
  a) Determining whether to traverse a sub-directory (previously was lambda)
  b) function for determing what entries to include in the List<Path> produced by UnixGlob.globAsync.

  These allow relatively simple re-use of the same logic for both subpackages and glob

4) Add a few tests for UnixGlob to ensure both cases continue to work as expected.

PiperOrigin-RevId: 421125424
28 files changed
tree: 30f7221cb395d07a08b1aa23d134809b911a6707
  1. .bazelci/
  2. examples/
  3. scripts/
  4. site/
  5. src/
  6. third_party/
  7. tools/
  8. .bazelrc
  9. .gitattributes
  10. .gitignore
  11. AUTHORS
  12. BUILD
  13. CHANGELOG.md
  14. CODE_OF_CONDUCT.md
  15. CODEBASE.md
  16. CODEOWNERS
  17. combine_distfiles.py
  18. combine_distfiles_to_tar.sh
  19. compile.sh
  20. CONTRIBUTING.md
  21. CONTRIBUTORS
  22. distdir.bzl
  23. distdir_deps.bzl
  24. ISSUE_TEMPLATE.md
  25. LICENSE
  26. MODULE.bazel
  27. README.md
  28. SECURITY.md
  29. WORKSPACE
  30. WORKSPACE.bzlmod
README.md

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