Clean up sandbox stashing directories on Bazel server shutdown.

When using --reuse_sandbox_directories, stashed sandbox directories cannot be reused across server instances and were previously left on disk indefinitely when the server shut down or when developers switched workspaces. This led to unbounded disk accumulation over time.

Fixes https://github.com/bazelbuild/bazel/issues/27626

RELNOTES: Clean up unused stashed sandbox directories when shutting down the Bazel server.
PiperOrigin-RevId: 972583325
Change-Id: I54268307ffa6f0d2bd8371477cd07d90ea959459
5 files changed
tree: d42f781576c04e24355f1129b6c40907825c92a2
  1. .bazelci/
  2. .devcontainer/
  3. .gemini/
  4. .github/
  5. docs/
  6. examples/
  7. scripts/
  8. site/
  9. src/
  10. third_party/
  11. tools/
  12. .bazelrc
  13. .bazelversion
  14. .gitattributes
  15. .gitignore
  16. AGENTS.md
  17. AUTHORS
  18. bazel_downloader.cfg
  19. BUILD
  20. CHANGELOG.md
  21. CODE_OF_CONDUCT.md
  22. CODEOWNERS
  23. combine_distfiles.py
  24. combine_distfiles_to_tar.sh
  25. compile.sh
  26. CONTRIBUTING.md
  27. CONTRIBUTORS
  28. distdir.bzl
  29. extensions.bzl
  30. LICENSE
  31. maven_install.json
  32. MODULE.bazel
  33. MODULE.bazel.lock
  34. oneversion_allowlist.csv
  35. oneversion_allowlist_for_tests.csv
  36. pyproject.toml
  37. README.md
  38. repositories.bzl
  39. requirements.txt
  40. SECURITY.md
README.md

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