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[8.6.0] Enable --experimental_retain_test_configuration_across_testonly#28115

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iancha1992 merged 1 commit intobazelbuild:release-8.6.0from
bazel-io:cp28056-8.6.0
Jan 5, 2026
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[8.6.0] Enable --experimental_retain_test_configuration_across_testonly#28115
iancha1992 merged 1 commit intobazelbuild:release-8.6.0from
bazel-io:cp28056-8.6.0

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This avoids action conflicts when testonly non-test targets depend on test targets.

Until --incompatible_check_testonly_for_output_files is flipped, it is still possible to get action conflicts when a non-testonly target depends on an output file of a test. Since this can be fixed by adding the missing testonly annotation, this is only a minor concern.

Fixes #28056

Closes #28073.

PiperOrigin-RevId: 847892897
Change-Id: I60e908a22b51c307306760aa054b3968cfbebac2

Commit bcd8bcb

This avoids action conflicts when `testonly` non-test targets depend on test targets.

Until `--incompatible_check_testonly_for_output_files` is flipped, it is still possible to get action conflicts when a non-`testonly` target depends on an output file of a test. Since this can be fixed by adding the missing `testonly` annotation, this is only a minor concern.

Fixes bazelbuild#28056

Closes bazelbuild#28073.

PiperOrigin-RevId: 847892897
Change-Id: I60e908a22b51c307306760aa054b3968cfbebac2
@bazel-io bazel-io added the team-Configurability platforms, toolchains, cquery, select(), config transitions label Dec 29, 2025
@bazel-io bazel-io requested a review from a team as a code owner December 29, 2025 16:38
@bazel-io bazel-io added team-ExternalDeps External dependency handling, remote repositiories, WORKSPACE file. awaiting-review PR is awaiting review from an assigned reviewer team-Configurability platforms, toolchains, cquery, select(), config transitions labels Dec 29, 2025
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Code Review

This pull request changes the default value of the experimental_retain_test_configuration_across_testonly flag to true. This is intended to mitigate action conflicts when testonly non-test targets depend on test targets. The change is straightforward and seems appropriate for an experimental flag that is moving towards being enabled by default. The provided tests appear to cover the behavior with the new default.

@iancha1992 iancha1992 enabled auto-merge December 29, 2025 16:43
@gregestren gregestren added awaiting-PR-merge PR has been approved by a reviewer and is ready to be merge internally and removed awaiting-review PR is awaiting review from an assigned reviewer labels Jan 5, 2026
@iancha1992 iancha1992 removed the awaiting-PR-merge PR has been approved by a reviewer and is ready to be merge internally label Jan 5, 2026
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@gregestren Could you please approve?

@iancha1992 iancha1992 added this pull request to the merge queue Jan 5, 2026
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Jan 5, 2026
@iancha1992 iancha1992 added this pull request to the merge queue Jan 5, 2026
Merged via the queue into bazelbuild:release-8.6.0 with commit cc8f2fe Jan 5, 2026
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rdesgroppes added a commit to DataDog/datadog-agent that referenced this pull request Feb 27, 2026
### What does this PR do?
Bump `.bazelversion` from 8.5.1 to 8.6.0.

### Motivation
Selected changes between 8.5.1 and 8.6.0:
- Fix visibility for implicit deps of parent rules (bazelbuild/bazel#28722)
- Force rctx.{download_and,}extract to create user-readable files (bazelbuild/bazel#28551)
- Fix disk cache failures on concurrent read-write access on Windows (bazelbuild/bazel#28529)
- Add a target_type argument to ctx.actions.symlink (bazelbuild/bazel#28538)
- Compensate for Windows filesystems lacking junction support (bazelbuild/bazel#28367)
  (our fix)
- Add short_uncached and detailed_uncached options to --test_summary (bazelbuild/bazel#28343)
- Add --experimental_strict_repo_env option (bazelbuild/bazel#28189)
- Make overlaid files executable in http_archive (bazelbuild/bazel#28277)
- Add bazel mod show_repo --all_repos and --all_visible_repos (bazelbuild/bazel#28012)
- Enable --experimental_retain_test_configuration_across_testonly (bazelbuild/bazel#28115)
- Add option to continue with local execution if remote cache is unavailable (bazelbuild/bazel#28001)
rdesgroppes added a commit to DataDog/datadog-agent that referenced this pull request Feb 27, 2026
### What does this PR do?
Bump `.bazelversion` from 8.5.1 to 8.6.0.

### Motivation
Selected changes between 8.5.1 and 8.6.0:
- Fix visibility for implicit deps of parent rules (bazelbuild/bazel#28722)
- Force rctx.{download_and,}extract to create user-readable files (bazelbuild/bazel#28551)
- Fix disk cache failures on concurrent read-write access on Windows (bazelbuild/bazel#28529)
- Add a target_type argument to ctx.actions.symlink (bazelbuild/bazel#28538)
- Compensate for Windows filesystems lacking junction support (bazelbuild/bazel#28367)
  (our fix)
- Add short_uncached and detailed_uncached options to --test_summary (bazelbuild/bazel#28343)
- Add --experimental_strict_repo_env option (bazelbuild/bazel#28189)
- Make overlaid files executable in http_archive (bazelbuild/bazel#28277)
- Add bazel mod show_repo --all_repos and --all_visible_repos (bazelbuild/bazel#28012)
- Enable --experimental_retain_test_configuration_across_testonly (bazelbuild/bazel#28115)
- Add option to continue with local execution if remote cache is unavailable (bazelbuild/bazel#28001)
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4 participants