Bazel 8 + rules_java 8 compatibility updates

.bazelci/presubmit.yml

@@ -29,16 +29,17 @@ tasks:
     # Install xmllint
     - sudo apt update && sudo apt install --reinstall libxml2-utils -y
     - "./test_rules_scala.sh"
-  test_rules_scala_linux_latest:
-    name: "./test_rules_scala (latest Bazel)"
+  # Switch `last_rc` to `last_green` once Bzlmod lands.
+  # https://github.com/bazelbuild/rules_scala/issues/1482
+  test_rules_scala_linux_last_rc:
+    name: "./test_rules_scala (last_rc Bazel)"
     platform: ubuntu2004
-    # Restore `bazel: latest` once Bazel 8 compatibility lands (#1625, #1652).
-    bazel: 7.x
+    bazel: last_rc
     shell_commands:
     # Install xmllint
     - sudo apt update && sudo apt install --reinstall libxml2-utils -y
     - echo "build --enable_workspace" >> .bazelrc
-    - "./test_rules_scala.sh || buildkite-agent annotate --style 'warning' \"Optional build with latest Bazel version failed, [see here](${BUILDKITE_BUILD_URL}#${BUILDKITE_JOB_ID}) (It is not mandatory but worth checking)\""
+    - "./test_rules_scala.sh || buildkite-agent annotate --style 'warning' \"Optional build with last_rc Bazel version failed, [see here](${BUILDKITE_BUILD_URL}#${BUILDKITE_JOB_ID}) (It is not mandatory but worth checking)\""
   test_rules_scala_macos:
     name: "./test_rules_scala"
     platform: macos
@@ -53,16 +54,16 @@ tasks:
     - "set PATH=/usr/bin;%PATH%" #Make sure bash uses msys commands over windows commands. (i.e. find).
     - "bash -lc \"pacman --noconfirm --needed -S libxml2\"" #tests require xmllint
     - "bash test_rules_scala.sh"
-  test_coverage_linux_6_5_0:
+  test_coverage_linux_7_5_0:
     name: "./test_coverage"
     platform: ubuntu2004
-    bazel: 6.5.0
+    bazel: 7.5.0
     shell_commands:
       - "./test_coverage.sh"
-  test_coverage_macos_6.5.0:
+  test_coverage_macos_7.5.0:
     name: "./test_coverage"
     platform: macos
-    bazel: 6.5.0
+    bazel: 7.5.0
     shell_commands:
       - "./test_coverage.sh"
   test_reproducibility_linux:
@@ -93,13 +94,13 @@ tasks:
   examples_linux:
     name: "./test_examples"
     platform: ubuntu2004
-    bazel: 6.5.0
+    bazel: 7.5.0
     shell_commands:
       - "./test_examples.sh"
   cross_build_linux:
     name: "./test_cross_build"
     platform: ubuntu2004
-    bazel: 6.5.0
+    bazel: 7.5.0
     shell_commands:
       - "./test_cross_build.sh"
   lint_linux:

.bazelrc

@@ -1,9 +1,14 @@
+# Switch to --noenable_workspace when Bzlmod lands.
+# https://github.com/bazelbuild/rules_scala/issues/1482
+common --enable_workspace --noenable_bzlmod
+
+# Remove once proto toolchainization becomes the default
+# - https://bazel.build/reference/command-line-reference#flag--incompatible_enable_proto_toolchain_resolution
+# - https://docs.google.com/document/d/1CE6wJHNfKbUPBr7-mmk_0Yo3a4TaqcTPE0OWNuQkhPs/edit
+common --incompatible_enable_proto_toolchain_resolution
+
 build --enable_platform_specific_config
 
 #Windows needs --worker_quit_after_build due to workers not being shut down when the compiler tools need to be rebuilt (resulting in 'file in use' errors). See Bazel Issue#10498.
 
 build:windows --worker_quit_after_build --enable_runfiles 
-
-# Remove upon completing Bzlmod compatibility work.
-# - https://github.com/bazelbuild/rules_scala/issues/1482
-build --noenable_bzlmod

.bazelversion

@@ -1 +1 @@
-6.5.0
+7.5.0