fix: convert relative symlinks in test_module_repo to absolute#2350
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meteorcloudy merged 1 commit intobazelbuild:masterfrom Aug 14, 2025
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jjmaestro
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Wyverald,
fweikert and
meteorcloudy
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@meteorcloudy (or other reviewers) could you please have a look at this? Thanks! |
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Sorry for another ping, but I'd really love if this PR landed, I think it fixes a whole set of problems on Windows that do affect Bazel modules like mine in bazelbuild/bazel-central-registry#5205 :) Could any of you have a look? It's a pretty straight-forward change. Thanks!! |
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cc @Wyverald as BCR expert |
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@Wyverald I'd love if you could have a look and review the PR! 🙏 Thanks!! |
mbland
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Aug 11, 2025
Resolves the Windows symlink breakage from bazelbuild/bazel-central-registry#5490 by replacing examples/crossbuild/protobuf.patch with a full copy. Bumps rules_python to 1.5.2 for both Bzlmod and legacy WORKSPACE builds. --- This is hopefully a temporary measure to unblock the next `rules_scala` release. This will probably require creating a v7.1.1 tag to trigger a new .bcr/presubmit.yml workflow. See bazelbuild/bazel-central-registry#5506 for details about the breakage. If and when bazelbuild/continuous-integration#2350 lands and makes its way to the BCR presubmit build, we could restore the symlink. Better yet, if protocolbuffers/protobuf#19679 ever lands, we could remove this symlink and all the others. Bumped `rules_python` to 1.5.2 for legacy `WORKSPACE` builds because it contains bazel-contrib/rules_python#3134, which fixes bazel-contrib/rules_python#3119.
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meteorcloudy
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Aug 12, 2025
Although relative links are valid in Windows, it seems that they fail under some circumstances. For example, see bazelbuild/bazel-central-registry#5205
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simuons
pushed a commit
to bazel-contrib/rules_scala
that referenced
this pull request
Aug 14, 2025
Resolves the Windows symlink breakage from bazelbuild/bazel-central-registry#5490 by replacing examples/crossbuild/protobuf.patch with a full copy. Bumps rules_python to 1.5.2 for both Bzlmod and legacy WORKSPACE builds. --- This is hopefully a temporary measure to unblock the next `rules_scala` release. This will probably require creating a v7.1.1 tag to trigger a new .bcr/presubmit.yml workflow. See bazelbuild/bazel-central-registry#5506 for details about the breakage. If and when bazelbuild/continuous-integration#2350 lands and makes its way to the BCR presubmit build, we could restore the symlink. Better yet, if protocolbuffers/protobuf#19679 ever lands, we could remove this symlink and all the others. Bumped `rules_python` to 1.5.2 for legacy `WORKSPACE` builds because it contains bazel-contrib/rules_python#3134, which fixes bazel-contrib/rules_python#3119.
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|
Merging this right now, let's monitor the BCR presubmit closely in case of any breakage. |
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@meteorcloudy once it's merged and deployed, you can "test it in prod" by re-launching the checks for bazelbuild/bazel-central-registry#5205 :D With this fix, it should all be green (I hope!) |
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Hmm, looks like we still have the same issue: https://buildkite.com/bazel/bcr-presubmit/builds/18095#0198a912-4555-4d0b-8685-25cd781dc75f |
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|
Oh, I didn't actually merge this one.. 🤦🏻♂️ |
mbland
added a commit
to mbland/rules_scala
that referenced
this pull request
Aug 15, 2025
Fixes the runfiles problems with Windows builds for Bazel 8 and later seen in bazelbuild/bazel-central-registry#5490. Bumps a number of dependencies, and bumps the `rules_scala` version in `MODULE.bazel` from `7.1.0` to `7.1.1`. Dependency version bumps include: - Go: 1.24.5 => 1.25.0 - `golang.org/x/tools`: v0.35.0 => v0.36.0 - `jline`: 3.30.4 => 3.30.5 - `protobuf-java`: 4.31.1 => 4.32.0 - `protobuf`: v31.1 => v32.0 - `rules_java`: 8.15.0 => 8.15.1 - `rules_python`: 1.5.2 => 1.5.3 Also: - Restores `examples/crossbuild/protobuf.patch` to a symlink, undoing the change from bazel-contrib#1760. - Fixes precompiled Windows protoc selection on ARM64 in `protoc/private/protoc_toolchains.bzl`. - Removes `RULES_SCALA_MAIN_WS_NAME` from the ScalaTest runner implementation. - Removes `rules_jvm_external` from `scala/latest_deps.bzl`. --- bazelbuild/continuous-integration#2350 resolved the Windows symlink problem, fixing the bazelbuild/bazel-central-registry#5490 Bazel 7 Windows build. This enables the restoration of the original `examples/crossbuild/protobuf.patch` symlink, effectively closing bazelbuild/bazel-central-registry#5506. The `src/java/io/bazel/rulesscala/exe/LauncherFileWriter.java` changes fix the remaining bazelbuild/bazel-central-registry#5490 breakages. Specifically, adding the `.exe` suffix only when necessary under Bazel 7 fixes the Windows builds for Bazel 8 and later. However, we'll have to close that pull request and push the v7.1.1 tag to begin a new release. The updates to use `@AutoBazelRepository` and `Runfiles.preload()`, etc. are from the `com.google.devtools.build.Runfiles` docstring: - https://github.com/bazelbuild/rules_java/blob/8.15.1/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java#L31-L134 `RULES_SCALA_MAIN_WS_NAME` is no longer necessary given proper runfiles library usage, and technically became obsolete in commit f758956. Instantiating `rules_jvm_external` ourselves is no longer necessary because `protobuf` v32.0 contains protocolbuffers/protobuf#22225, which closed protocolbuffers/protobuf#19129. I've tested this change using my personal Windows 11 ARM64 virtual machine, hence the updates to `protoc/private/protoc_toolchains.bzl`. Previously, the `exec_compatible_with` attribute of the toolchain target contained `@platforms//cpu:x86_64` instead of `@platforms//cpu:aarch64`. This caused `@protobuf//bazel/private:proto_toolchain_type` to resolve to `@protobuf//bazel/private/toolchains:protoc_sources`, triggering recompilation. I also had to use `python.single_version_platform_override` and to fix `@bazel_tools//tools/jdk:proguard_whitelister` on Windows ARM64. This is because the latest `rules_python` 1.5.3 doesn't contain any entries for `aarch64-pc-windows-msvc` in `//python:versions.bzl`. However, it appears such entries are coming in the next `rules_python` release, which will eliminate the need for such a workaround. For that reason, I haven't tried to include it in this change. - https://github.com/bazelbuild/bazel/blob/7.6.1/tools/jdk/BUILD.tools#L133-L138 - https://github.com/bazel-contrib/rules_python/blob/1.5.3/python/versions.bzl - https://github.com/astral-sh/python-build-standalone/releases/ - https://rules-python.readthedocs.io/en/latest/api/rules_python/python/extensions/python.html#python.single_version_platform_override - bazel-contrib/rules_python#2276 - bazel-contrib/rules_python#3062 - bazel-contrib/rules_python#3074 - bazel-contrib/rules_python#3116 A couple of interesting new facts I learned about `protobuf` in the process of producing this change: - v32.0 officially drops support for Bazel 6: https://github.com/protocolbuffers/protobuf/releases/tag/v32.0 protocolbuffers/protobuf@da0077e - v34 isn't dropping MSVC support after all: https://protobuf.dev/news/2025-07-16/ protocolbuffers/protobuf#20085 protocolbuffers/protobuf#20085 (comment)
mbland
added a commit
to mbland/rules_scala
that referenced
this pull request
Aug 15, 2025
Fixes the runfiles problems with Windows builds for Bazel 8 and later seen in bazelbuild/bazel-central-registry#5490. Bumps a number of dependencies, and bumps the `rules_scala` version in `MODULE.bazel` from `7.1.0` to `7.1.1`. Dependency version bumps include: - Go: 1.24.5 => 1.25.0 - `golang.org/x/tools`: v0.35.0 => v0.36.0 - `jline`: 3.30.4 => 3.30.5 - `protobuf-java`: 4.31.1 => 4.32.0 - `protobuf`: v31.1 => v32.0 - `rules_java`: 8.15.0 => 8.15.1 - `rules_python`: 1.5.2 => 1.5.3 Also: - Restores `examples/crossbuild/protobuf.patch` to a symlink, undoing the change from bazel-contrib#1760. - Fixes precompiled Windows protoc selection on ARM64 in `protoc/private/protoc_toolchains.bzl`. - Removes `RULES_SCALA_MAIN_WS_NAME` from the ScalaTest runner implementation. - Removes `rules_jvm_external` from `scala/latest_deps.bzl`. --- bazelbuild/continuous-integration#2350 resolved the Windows symlink problem, fixing the bazelbuild/bazel-central-registry#5490 Bazel 7 Windows build. This enables the restoration of the original `examples/crossbuild/protobuf.patch` symlink, effectively closing bazelbuild/bazel-central-registry#5506. The `src/java/io/bazel/rulesscala/exe/LauncherFileWriter.java` changes fix the remaining bazelbuild/bazel-central-registry#5490 breakages. Specifically, adding the `.exe` suffix only when necessary under Bazel 7 fixes the Windows builds for Bazel 8 and later. However, we'll have to close that pull request and push the v7.1.1 tag to begin a new release. The updates to use `@AutoBazelRepository` and `Runfiles.preload()`, etc. are from the `com.google.devtools.build.Runfiles` docstring: - https://github.com/bazelbuild/rules_java/blob/8.15.1/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java#L31-L134 `RULES_SCALA_MAIN_WS_NAME` is no longer necessary given proper runfiles library usage, and technically became obsolete in commit f758956. Instantiating `rules_jvm_external` ourselves is no longer necessary because `protobuf` v32.0 contains protocolbuffers/protobuf#22225, which closed protocolbuffers/protobuf#19129. I've tested this change using my personal Windows 11 ARM64 virtual machine, hence the updates to `protoc/private/protoc_toolchains.bzl`. Previously, the `exec_compatible_with` attribute of the toolchain target contained `@platforms//cpu:x86_64` instead of `@platforms//cpu:aarch64`. This caused `@protobuf//bazel/private:proto_toolchain_type` to resolve to `@protobuf//bazel/private/toolchains:protoc_sources`, triggering recompilation. I also had to use `python.single_version_platform_override` and to fix `@bazel_tools//tools/jdk:proguard_whitelister` on Windows ARM64. This is because the latest `rules_python` 1.5.3 doesn't contain any entries for `aarch64-pc-windows-msvc` in `//python:versions.bzl`. However, it appears such entries are coming in the next `rules_python` release, which will eliminate the need for such a workaround. For that reason, I haven't tried to include it in this change. - https://github.com/bazelbuild/bazel/blob/7.6.1/tools/jdk/BUILD.tools#L133-L138 - https://github.com/bazel-contrib/rules_python/blob/1.5.3/python/versions.bzl - https://github.com/astral-sh/python-build-standalone/releases/ - https://rules-python.readthedocs.io/en/latest/api/rules_python/python/extensions/python.html#python.single_version_platform_override - bazel-contrib/rules_python#2276 - bazel-contrib/rules_python#3062 - bazel-contrib/rules_python#3074 - bazel-contrib/rules_python#3116 A couple of interesting new facts I learned about `protobuf` in the process of producing this change: - v32.0 officially drops support for Bazel 6: https://github.com/protocolbuffers/protobuf/releases/tag/v32.0 protocolbuffers/protobuf@da0077e - v34 isn't dropping MSVC support after all: https://protobuf.dev/news/2025-07-16/ protocolbuffers/protobuf#20085 protocolbuffers/protobuf#20085 (comment)
mbland
added a commit
to mbland/rules_scala
that referenced
this pull request
Aug 15, 2025
Fixes the runfiles problems with Windows builds for Bazel 8 and later seen in bazelbuild/bazel-central-registry#5490. Bumps a number of dependencies, and bumps the `rules_scala` version in `MODULE.bazel` from `7.1.0` to `7.1.1`. Dependency version bumps include: - Go: 1.24.5 => 1.25.0 - `golang.org/x/tools`: v0.35.0 => v0.36.0 - `jline`: 3.30.4 => 3.30.5 - `protobuf-java`: 4.31.1 => 4.32.0 - `protobuf`: v31.1 => v32.0 - `rules_java`: 8.15.0 => 8.15.1 - `rules_python`: 1.5.2 => 1.5.3 Also: - Restores `examples/crossbuild/protobuf.patch` to a symlink, undoing the change from bazel-contrib#1760. - Fixes precompiled Windows protoc selection on ARM64 in `protoc/private/protoc_toolchains.bzl`. - Removes `RULES_SCALA_MAIN_WS_NAME` from the ScalaTest runner implementation. - Removes `rules_jvm_external` from `scala/latest_deps.bzl`. --- bazelbuild/continuous-integration#2350 resolved the Windows symlink problem, fixing the bazelbuild/bazel-central-registry#5490 Bazel 7 Windows build. This enables the restoration of the original `examples/crossbuild/protobuf.patch` symlink, effectively closing bazelbuild/bazel-central-registry#5506. The `src/java/io/bazel/rulesscala/exe/LauncherFileWriter.java` changes fix the remaining bazelbuild/bazel-central-registry#5490 breakages. Specifically, adding the `.exe` suffix only when necessary under Bazel 7 fixes the Windows builds for Bazel 8 and later. However, we'll have to close that pull request and push the v7.1.1 tag to begin a new release. The updates to use `@AutoBazelRepository` and `Runfiles.preload()`, etc. are from the `com.google.devtools.build.Runfiles` docstring: - https://github.com/bazelbuild/rules_java/blob/8.15.1/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java#L31-L134 `RULES_SCALA_MAIN_WS_NAME` is no longer necessary given proper runfiles library usage, and technically became obsolete in commit f758956. Instantiating `rules_jvm_external` ourselves is no longer necessary because `protobuf` v32.0 contains protocolbuffers/protobuf#22225, which closed protocolbuffers/protobuf#19129. I've tested this change using my personal Windows 11 ARM64 virtual machine, hence the updates to `protoc/private/protoc_toolchains.bzl`. Previously, the `exec_compatible_with` attribute of the toolchain target contained `@platforms//cpu:x86_64` instead of `@platforms//cpu:aarch64`. This caused `@protobuf//bazel/private:proto_toolchain_type` to resolve to `@protobuf//bazel/private/toolchains:protoc_sources`, triggering recompilation. I also had to use `python.single_version_platform_override` and to fix `@bazel_tools//tools/jdk:proguard_whitelister` on Windows ARM64. This is because the latest `rules_python` 1.5.3 doesn't contain any entries for `aarch64-pc-windows-msvc` in `//python:versions.bzl`. However, it appears such entries are coming in the next `rules_python` release, which will eliminate the need for such a workaround. For that reason, I haven't tried to include it in this change. - https://github.com/bazelbuild/bazel/blob/7.6.1/tools/jdk/BUILD.tools#L133-L138 - https://github.com/bazel-contrib/rules_python/blob/1.5.3/python/versions.bzl - https://github.com/astral-sh/python-build-standalone/releases/ - https://rules-python.readthedocs.io/en/latest/api/rules_python/python/extensions/python.html#python.single_version_platform_override - bazel-contrib/rules_python#2276 - bazel-contrib/rules_python#3062 - bazel-contrib/rules_python#3074 - bazel-contrib/rules_python#3116 A couple of interesting new facts I learned about `protobuf` in the process of producing this change: - v32.0 officially drops support for Bazel 6: https://github.com/protocolbuffers/protobuf/releases/tag/v32.0 protocolbuffers/protobuf@da0077e - v34 isn't dropping MSVC support after all: https://protobuf.dev/news/2025-07-16/ protocolbuffers/protobuf#20085 protocolbuffers/protobuf#20085 (comment)
mbland
added a commit
to mbland/rules_scala
that referenced
this pull request
Aug 15, 2025
Fixes the runfiles problems with Windows builds for Bazel 8 and later seen in bazelbuild/bazel-central-registry#5490. Bumps a number of dependencies, and bumps the `rules_scala` version in `MODULE.bazel` from `7.1.0` to `7.1.1`. Dependency version bumps include: - Go: 1.24.5 => 1.25.0 - `golang.org/x/tools`: v0.35.0 => v0.36.0 - `jline`: 3.30.4 => 3.30.5 - `protobuf-java`: 4.31.1 => 4.32.0 - `protobuf`: v31.1 => v32.0 - `rules_java`: 8.15.0 => 8.15.1 - `rules_python`: 1.5.2 => 1.5.3 Also: - Restores `examples/crossbuild/protobuf.patch` to a symlink, undoing the change from bazel-contrib#1760. - Fixes precompiled Windows protoc selection on ARM64 in `protoc/private/protoc_toolchains.bzl`. - Removes `RULES_SCALA_MAIN_WS_NAME` from the ScalaTest runner implementation. - Removes `rules_jvm_external` from `scala/latest_deps.bzl`. --- bazelbuild/continuous-integration#2350 resolved the Windows symlink problem, fixing the bazelbuild/bazel-central-registry#5490 Bazel 7 Windows build. This enables the restoration of the original `examples/crossbuild/protobuf.patch` symlink, effectively closing bazelbuild/bazel-central-registry#5506. The `src/java/io/bazel/rulesscala/exe/LauncherFileWriter.java` changes fix the remaining bazelbuild/bazel-central-registry#5490 breakages. Specifically, adding the `.exe` suffix only when necessary under Bazel 7 fixes the Windows builds for Bazel 8 and later. However, we'll have to close that pull request and push the v7.1.1 tag to begin a new release. The updates to use `@AutoBazelRepository` and `Runfiles.preload()`, etc. are from the `com.google.devtools.build.Runfiles` docstring: - https://github.com/bazelbuild/rules_java/blob/8.15.1/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java#L31-L134 `RULES_SCALA_MAIN_WS_NAME` is no longer necessary given proper runfiles library usage, and technically became obsolete in commit f758956. Instantiating `rules_jvm_external` ourselves is no longer necessary because `protobuf` v32.0 contains protocolbuffers/protobuf#22225, which closed protocolbuffers/protobuf#19129. I've tested this change using my personal Windows 11 ARM64 virtual machine, hence the updates to `protoc/private/protoc_toolchains.bzl`. Previously, the `exec_compatible_with` attribute of the toolchain target contained `@platforms//cpu:x86_64` instead of `@platforms//cpu:aarch64`. This caused `@protobuf//bazel/private:proto_toolchain_type` to resolve to `@protobuf//bazel/private/toolchains:protoc_sources`, triggering recompilation. I also had to use `python.single_version_platform_override` and to fix `@bazel_tools//tools/jdk:proguard_whitelister` on Windows ARM64. This is because the latest `rules_python` 1.5.3 doesn't contain any entries for `aarch64-pc-windows-msvc` in `//python:versions.bzl`. However, it appears such entries are coming in the next `rules_python` release, which will eliminate the need for such a workaround. For that reason, I haven't tried to include it in this change. - https://github.com/bazelbuild/bazel/blob/7.6.1/tools/jdk/BUILD.tools#L133-L138 - https://github.com/bazel-contrib/rules_python/blob/1.5.3/python/versions.bzl - https://github.com/astral-sh/python-build-standalone/releases/ - https://rules-python.readthedocs.io/en/latest/api/rules_python/python/extensions/python.html#python.single_version_platform_override - bazel-contrib/rules_python#2276 - bazel-contrib/rules_python#3062 - bazel-contrib/rules_python#3074 - bazel-contrib/rules_python#3116 A couple of interesting new facts I learned about `protobuf` in the process of producing this change: - v32.0 officially drops support for Bazel 6: https://github.com/protocolbuffers/protobuf/releases/tag/v32.0 protocolbuffers/protobuf@da0077e - v34 isn't dropping MSVC support after all: https://protobuf.dev/news/2025-07-16/ protocolbuffers/protobuf#20085 protocolbuffers/protobuf#20085 (comment)
mbland
added a commit
to mbland/rules_scala
that referenced
this pull request
Aug 15, 2025
Fixes the runfiles problems with Windows builds for Bazel 8 and later seen in bazelbuild/bazel-central-registry#5490. Bumps a number of dependencies, and bumps the `rules_scala` version in `MODULE.bazel` from `7.1.0` to `7.1.1`. Dependency version bumps include: - Go: 1.24.5 => 1.25.0 - `golang.org/x/tools`: v0.35.0 => v0.36.0 - `jline`: 3.30.4 => 3.30.5 - `protobuf-java`: 4.31.1 => 4.32.0 - `protobuf`: v31.1 => v32.0 - `rules_java`: 8.15.0 => 8.15.1 - `rules_python`: 1.5.2 => 1.5.3 Also: - Restores `examples/crossbuild/protobuf.patch` to a symlink, undoing the change from bazel-contrib#1760. - Fixes precompiled Windows protoc selection on ARM64 in `protoc/private/protoc_toolchains.bzl`. - Removes `RULES_SCALA_MAIN_WS_NAME` from the ScalaTest runner implementation. - Removes `rules_jvm_external` from `scala/latest_deps.bzl`. --- bazelbuild/continuous-integration#2350 resolved the Windows symlink problem, fixing the bazelbuild/bazel-central-registry#5490 Bazel 7 Windows build. This enables the restoration of the original `examples/crossbuild/protobuf.patch` symlink, effectively closing bazelbuild/bazel-central-registry#5506. The `src/java/io/bazel/rulesscala/exe/LauncherFileWriter.java` changes fix the remaining bazelbuild/bazel-central-registry#5490 breakages. Specifically, adding the `.exe` suffix only when necessary under Bazel 7 fixes the Windows builds for Bazel 8 and later. However, we'll have to close that pull request and push the v7.1.1 tag to begin a new release. The updates to use `@AutoBazelRepository` and `Runfiles.preload()`, etc. are from the `com.google.devtools.build.Runfiles` docstring: - https://github.com/bazelbuild/rules_java/blob/8.15.1/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java#L31-L134 `RULES_SCALA_MAIN_WS_NAME` is no longer necessary given proper runfiles library usage, and technically became obsolete in commit f758956. Instantiating `rules_jvm_external` ourselves is no longer necessary because `protobuf` v32.0 contains protocolbuffers/protobuf#22225, which closed protocolbuffers/protobuf#19129. I've tested this change using my personal Windows 11 ARM64 virtual machine, hence the updates to `protoc/private/protoc_toolchains.bzl`. Previously, the `exec_compatible_with` attribute of the toolchain target contained `@platforms//cpu:x86_64` instead of `@platforms//cpu:aarch64`. This caused `@protobuf//bazel/private:proto_toolchain_type` to resolve to `@protobuf//bazel/private/toolchains:protoc_sources`, triggering recompilation. I also had to use `python.single_version_platform_override` and to fix `@bazel_tools//tools/jdk:proguard_whitelister` on Windows ARM64. This is because the latest `rules_python` 1.5.3 doesn't contain any entries for `aarch64-pc-windows-msvc` in `//python:versions.bzl`. However, it appears such entries are coming in the next `rules_python` release, which will eliminate the need for such a workaround. For that reason, I haven't tried to include it in this change. - https://github.com/bazelbuild/bazel/blob/7.6.1/tools/jdk/BUILD.tools#L133-L138 - https://github.com/bazel-contrib/rules_python/blob/1.5.3/python/versions.bzl - https://github.com/astral-sh/python-build-standalone/releases/ - https://rules-python.readthedocs.io/en/latest/api/rules_python/python/extensions/python.html#python.single_version_platform_override - bazel-contrib/rules_python#2276 - bazel-contrib/rules_python#3062 - bazel-contrib/rules_python#3074 - bazel-contrib/rules_python#3116 A couple of interesting new facts I learned about `protobuf` in the process of producing this change: - v32.0 officially drops support for Bazel 6: https://github.com/protocolbuffers/protobuf/releases/tag/v32.0 protocolbuffers/protobuf@da0077e - v34 isn't dropping MSVC support after all: https://protobuf.dev/news/2025-07-16/ protocolbuffers/protobuf#20085 protocolbuffers/protobuf#20085 (comment)
simuons
pushed a commit
to bazel-contrib/rules_scala
that referenced
this pull request
Aug 18, 2025
Fixes the runfiles problems with Windows builds for Bazel 8 and later seen in bazelbuild/bazel-central-registry#5490. Bumps a number of dependencies, and bumps the `rules_scala` version in `MODULE.bazel` from `7.1.0` to `7.1.1`. Dependency version bumps include: - Go: 1.24.5 => 1.25.0 - `golang.org/x/tools`: v0.35.0 => v0.36.0 - `jline`: 3.30.4 => 3.30.5 - `protobuf-java`: 4.31.1 => 4.32.0 - `protobuf`: v31.1 => v32.0 - `rules_java`: 8.15.0 => 8.15.1 - `rules_python`: 1.5.2 => 1.5.3 Also: - Restores `examples/crossbuild/protobuf.patch` to a symlink, undoing the change from #1760. - Fixes precompiled Windows protoc selection on ARM64 in `protoc/private/protoc_toolchains.bzl`. - Removes `RULES_SCALA_MAIN_WS_NAME` from the ScalaTest runner implementation. - Removes `rules_jvm_external` from `scala/latest_deps.bzl`. --- bazelbuild/continuous-integration#2350 resolved the Windows symlink problem, fixing the bazelbuild/bazel-central-registry#5490 Bazel 7 Windows build. This enables the restoration of the original `examples/crossbuild/protobuf.patch` symlink, effectively closing bazelbuild/bazel-central-registry#5506. The `src/java/io/bazel/rulesscala/exe/LauncherFileWriter.java` changes fix the remaining bazelbuild/bazel-central-registry#5490 breakages. Specifically, adding the `.exe` suffix only when necessary under Bazel 7 fixes the Windows builds for Bazel 8 and later. However, we'll have to close that pull request and push the v7.1.1 tag to begin a new release. The updates to use `@AutoBazelRepository` and `Runfiles.preload()`, etc. are from the `com.google.devtools.build.Runfiles` docstring: - https://github.com/bazelbuild/rules_java/blob/8.15.1/java/runfiles/src/main/java/com/google/devtools/build/runfiles/Runfiles.java#L31-L134 `RULES_SCALA_MAIN_WS_NAME` is no longer necessary given proper runfiles library usage, and technically became obsolete in commit f758956. Instantiating `rules_jvm_external` ourselves is no longer necessary because `protobuf` v32.0 contains protocolbuffers/protobuf#22225, which closed protocolbuffers/protobuf#19129. I've tested this change using my personal Windows 11 ARM64 virtual machine, hence the updates to `protoc/private/protoc_toolchains.bzl`. Previously, the `exec_compatible_with` attribute of the toolchain target contained `@platforms//cpu:x86_64` instead of `@platforms//cpu:aarch64`. This caused `@protobuf//bazel/private:proto_toolchain_type` to resolve to `@protobuf//bazel/private/toolchains:protoc_sources`, triggering recompilation. I also had to use `python.single_version_platform_override` and to fix `@bazel_tools//tools/jdk:proguard_whitelister` on Windows ARM64. This is because the latest `rules_python` 1.5.3 doesn't contain any entries for `aarch64-pc-windows-msvc` in `//python:versions.bzl`. However, it appears such entries are coming in the next `rules_python` release, which will eliminate the need for such a workaround. For that reason, I haven't tried to include it in this change. - https://github.com/bazelbuild/bazel/blob/7.6.1/tools/jdk/BUILD.tools#L133-L138 - https://github.com/bazel-contrib/rules_python/blob/1.5.3/python/versions.bzl - https://github.com/astral-sh/python-build-standalone/releases/ - https://rules-python.readthedocs.io/en/latest/api/rules_python/python/extensions/python.html#python.single_version_platform_override - bazel-contrib/rules_python#2276 - bazel-contrib/rules_python#3062 - bazel-contrib/rules_python#3074 - bazel-contrib/rules_python#3116 A couple of interesting new facts I learned about `protobuf` in the process of producing this change: - v32.0 officially drops support for Bazel 6: https://github.com/protocolbuffers/protobuf/releases/tag/v32.0 protocolbuffers/protobuf@da0077e - v34 isn't dropping MSVC support after all: https://protobuf.dev/news/2025-07-16/ protocolbuffers/protobuf#20085 protocolbuffers/protobuf#20085 (comment)
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Although relative links are valid in Windows, it seems that they fail under some circumstances. For example, see
bazelbuild/bazel-central-registry#5205