[7.0.0] Experimental extend rule and subrule functionality (#20429)

Following commits were cleanly cherry-picked:

e4c7cb6ecb ilist@google.com Support incoming configuration transition in
extended rules
faa2f3d6a1  ilist@google.com	 Support subrules in extended rules
d70d198e92 ilist@google.com Add an escape hatch for any type attributes
in the initializer
c00c272097 ilist@google.com Cleanup incoming configuration transitions
on Starlark rules
82a469ffc0 ilist@google.com Copy and lift labels in arguments of
initializers
6733c1844b  ilist@google.com	 Remove unused OBJECT_LIST type
e7a3dabfb6  ilist@google.com	 Remove unused FILESET_ENTRY label class
c95999046a ilist@google.com Implement type checks and label conversion
for Starlark values
c4f4073aa8 ilist@google.com Move convertFromBuildLangType into BuildType
class

Additional commit "Define function_transition_allowlist in
StarlarkRuleClassFunctionsTest" just fixes the mocking of the the tests.
19 files changed
tree: 4442b5a46ca0f07a853f47b7fe596e20cfd5989c
  1. .bazelci/
  2. .github/
  3. examples/
  4. scripts/
  5. site/
  6. src/
  7. third_party/
  8. tools/
  9. .bazelrc
  10. .bazelversion
  11. .gitattributes
  12. .gitignore
  13. AUTHORS
  14. bazel_downloader.cfg
  15. BUILD
  16. CHANGELOG.md
  17. CODE_OF_CONDUCT.md
  18. CODEOWNERS
  19. combine_distfiles.py
  20. combine_distfiles_to_tar.sh
  21. compile.sh
  22. CONTRIBUTING.md
  23. CONTRIBUTORS
  24. distdir.bzl
  25. distdir_deps.bzl
  26. extensions.bzl
  27. LICENSE
  28. maven_install.json
  29. MODULE.bazel
  30. MODULE.bazel.lock
  31. rbe_extension.bzl
  32. README.md
  33. repositories.bzl
  34. requirements.txt
  35. SECURITY.md
  36. WORKSPACE
  37. WORKSPACE.bzlmod
  38. workspace_deps.bzl
README.md

Bazel

{Fast, Correct} - Choose two

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