windows,client: fix error reporting

Fix error reporting in the path conversion methods
of the Bazel client. Previously the error
reporting logic used GetLastErrorString in places
where it was not appropriate (i.e. it was not a
failed Windows API call that caused an error).

This cleanup prepares removing the concept of the
MSYS root from the Bazel client, since MSYS paths
are no longer supported and we want to cut Bazel's
dependency on Bash (thus MSYS) completely.

See https://github.com/bazelbuild/bazel/issues/4319

Change-Id: Ie50a20e0ee0c572592f637340a2f2948c7f53088

Closes #5072.

Change-Id: Ie50a20e0ee0c572592f637340a2f2948c7f53088
PiperOrigin-RevId: 194052665
7 files changed
tree: b49a3e7a314beca8b20f633ea11985f20ca83382
  1. .bazelci/
  2. examples/
  3. scripts/
  4. site/
  5. src/
  6. third_party/
  7. tools/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. BUILD
  12. CHANGELOG.md
  13. combine_distfiles.py
  14. combine_distfiles_to_tar.sh
  15. compile.sh
  16. CONTRIBUTING.md
  17. CONTRIBUTORS
  18. ISSUE_TEMPLATE.md
  19. LICENSE
  20. README.md
  21. WORKSPACE
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