Let Starlark executable rules specify their environment

The new RunEnvironmentInfo provider allows any executable or test
Starlark rule to specify the environment for when it is executed, either
as part of a test action or via the run command.

Refactors testing.TestEnvironment to construct a RunEnvironmentInfo and
adds a warning (but not an error) if the provider constructed in this
way is returned from a non-executable non-test rule. If a
RunEnvironmentInfo is constructed directly via the Starlark constructor,
this warning becomes an error.

Fixes #7364
Fixes #15224
Fixes #15225

Closes #15232.

PiperOrigin-RevId: 448185352
19 files changed
tree: 1b64e71ad643a241e55888d07fe83cd38d0b4ce8
  1. .bazelci/
  2. .github/
  3. examples/
  4. scripts/
  5. site/
  6. src/
  7. third_party/
  8. tools/
  9. .bazelrc
  10. .gitattributes
  11. .gitignore
  12. AUTHORS
  13. BUILD
  14. CHANGELOG.md
  15. CODE_OF_CONDUCT.md
  16. CODEBASE.md
  17. CODEOWNERS
  18. combine_distfiles.py
  19. combine_distfiles_to_tar.sh
  20. compile.sh
  21. CONTRIBUTING.md
  22. CONTRIBUTORS
  23. distdir.bzl
  24. distdir_deps.bzl
  25. LICENSE
  26. MODULE.bazel
  27. README.md
  28. SECURITY.md
  29. WORKSPACE
  30. WORKSPACE.bzlmod
README.md

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