Motivation
The check that prevents source directories from being allowed to traverse into another package was affected by a bug that made it a no-op in almost all cases in Bazel 9, except for some false positives that were fixed in 9.2.0 (#29688). In order to keep this fix backwards compatible, the check was fully disabled for external repos in #30019. As crossing packages within a source directory can violate visibility constraints and create otherwise impossible combinations of inputs, it is now being enabled as an incompatible change.
Description
When enabled, a source directory in an external repository is no longer allowed to traverse a package boundary, i.e., it must not contain files that lie in a subpackage (a subdirectory with a BUILD file).
Incompatible Flag
--incompatible_check_external_repo_source_dir_package_boundary
Migration Guide
Restructure packages so that source directories do not traverse into subpackages.
In which Bazel LTS version will this incompatible change be enabled?
Bazel 10
Additional Context
No response
TODO List
No response
Motivation
The check that prevents source directories from being allowed to traverse into another package was affected by a bug that made it a no-op in almost all cases in Bazel 9, except for some false positives that were fixed in 9.2.0 (#29688). In order to keep this fix backwards compatible, the check was fully disabled for external repos in #30019. As crossing packages within a source directory can violate visibility constraints and create otherwise impossible combinations of inputs, it is now being enabled as an incompatible change.
Description
When enabled, a source directory in an external repository is no longer allowed to traverse a package boundary, i.e., it must not contain files that lie in a subpackage (a subdirectory with a BUILD file).
Incompatible Flag
--incompatible_check_external_repo_source_dir_package_boundary
Migration Guide
Restructure packages so that source directories do not traverse into subpackages.
In which Bazel LTS version will this incompatible change be enabled?
Bazel 10
Additional Context
No response
TODO List
No response