feat: start testing on Bazel 8

.bazelrc

@@ -7,6 +7,9 @@
 # https://bazelbuild.slack.com/archives/C014RARENH0/p1691158021917459?thread_ts=1691156601.420349&cid=C014RARENH0
 common --check_direct_dependencies=off
 
+# TODO: enable this flag after stardoc allows it
+common --noincompatible_disallow_empty_glob
+
 # Load any settings specific to the current user.
 # .bazelrc.user should appear in .gitignore so that settings are not shared with team members
 # This needs to be last statement in this

.github/workflows/ci.yaml

@@ -18,18 +18,13 @@ concurrency:
 
 jobs:
   bazel-test:
-    uses: bazel-contrib/.github/.github/workflows/bazel.yaml@v6
+    uses: bazel-contrib/.github/.github/workflows/bazel.yaml@v7
     with:
       folders: '[".", "example"]'
       # Don't try for Windows support yet.
       exclude_windows: true
-      # Root module is bzlmod-only and uses newer stardoc that requires Bazel 7.
-      # Example uses incompatible_enable_proto_toolchain_resolution
       exclude: |
-        [
-          {"bzlmodEnabled": false, "folder": "."},
-          {"bazelversion": "6.4.0"}
-        ]
+        [{"bzlmodEnabled": false, "folder": "."}]
 
   integration-test:
     runs-on: ubuntu-latest

MODULE.bazel

@@ -12,6 +12,7 @@ bazel_dep(name = "aspect_bazel_lib", version = "2.7.7")
 # Minimum version needs 'chore: bump bazel-lib to 2.0 by @alexeagle in #1311'
 # to allow users on bazel-lib 2.0
 bazel_dep(name = "aspect_rules_js", version = "1.40.0")
+bazel_dep(name = "bazel_features", version = "1.19.0")
 bazel_dep(name = "bazel_skylib", version = "1.4.2")
 bazel_dep(name = "platforms", version = "0.0.7")
 bazel_dep(name = "rules_multirun", version = "0.9.0")

docs/BUILD.bazel

@@ -1,6 +1,7 @@
 # This load statement must be in the docs/ package rather than anything users depend on
 # so that the dependency on stardoc doesn't leak to them.
 load("@aspect_bazel_lib//lib:docs.bzl", "stardoc_with_diff_test", "update_docs")
+load("@bazel_features//:features.bzl", "bazel_features")
 
 stardoc_with_diff_test(
     name = "lint_test",
@@ -35,6 +36,7 @@ stardoc_with_diff_test(
 stardoc_with_diff_test(
     name = "format",
     bzl_library_target = "//format:defs",
+    target_compatible_with = ["@platforms//:incompatible"] if bazel_features.docs.kwargs_name_with_double_star else [],
 )
 
 stardoc_with_diff_test(

example/MODULE.bazel

@@ -9,6 +9,7 @@ bazel_dep(name = "rules_buf", version = "0.3.0")
 bazel_dep(name = "bazel_skylib", version = "1.4.2")
 bazel_dep(name = "toolchains_llvm", version = "0.10.3")
 bazel_dep(name = "toolchains_protoc", version = "0.3.0")
+bazel_dep(name = "protobuf", version = "29.0-rc2")
 bazel_dep(name = "rules_java", version = "5.5.0")
 bazel_dep(name = "rules_jvm_external", version = "4.5")
 bazel_dep(name = "rules_go", version = "0.42.0", repo_name = "io_bazel_rules_go")
@@ -25,6 +26,18 @@ local_path_override(
     path = "..",
 )
 
+vale_dependencies = use_extension("@aspect_rules_lint//lint:vale.bzl", "vale_dependencies")
+use_repo(
+    vale_dependencies,
+    "vale_Google",
+    "vale_Linux_64-bit",
+    "vale_Linux_arm64",
+    "vale_Windows_64-bit",
+    "vale_macOS_64-bit",
+    "vale_macOS_arm64",
+    "vale_write-good",
+)
+
 rules_ts_ext = use_extension("@aspect_rules_ts//ts:extensions.bzl", "ext")
 rules_ts_ext.deps()
 use_repo(rules_ts_ext, "npm_typescript")
@@ -99,6 +112,24 @@ use_repo(
     "unpinned_maven",
 )
 
+jvm_format_dependencies = use_extension("@aspect_rules_lint//format:repositories.bzl", "jvm_dependencies")
+
+jvm_lint_dependencies = use_extension("@aspect_rules_lint//lint:extensions.bzl", "jvm_dependencies")
+
+# Only need to list the repositories actually being referenced
+use_repo(
+    jvm_format_dependencies,
+    "google-java-format",
+    "ktfmt",
+)
+
+use_repo(
+    jvm_lint_dependencies,
+    "com_github_pinterest_ktlint",
+    "com_puppycrawl_tools_checkstyle",
+    "net_sourceforge_pmd",
+)
+
 buf = use_extension("@rules_buf//buf:extensions.bzl", "buf")
 
 # see https://github.com/bufbuild/buf/releases
@@ -110,3 +141,6 @@ rust.toolchain(
     edition = "2021",
     versions = ["1.75.0"],
 )
+
+swift_dependencies = use_extension("@aspect_rules_lint//format:repositories.bzl", "swift_dependencies")
+use_repo(swift_dependencies, "swiftformat", "swiftformat_mac")

example/WORKSPACE.bzlmod

@@ -5,29 +5,7 @@
 # Needed until Bazel 7 allows MODULE.bazel to directly call repository rules
 load(
     "@aspect_rules_lint//format:repositories.bzl",
-    "fetch_java_format",
-    "fetch_ktfmt",
     "fetch_swiftformat",
 )
 
-fetch_java_format()
-
-fetch_ktfmt()
-
 fetch_swiftformat()
-
-load("@aspect_rules_lint//lint:pmd.bzl", "fetch_pmd")
-
-fetch_pmd()
-
-load("@aspect_rules_lint//lint:checkstyle.bzl", "fetch_checkstyle")
-
-fetch_checkstyle()
-
-load("@aspect_rules_lint//lint:vale.bzl", "fetch_vale")
-
-fetch_vale()
-
-load("@aspect_rules_lint//lint:ktlint.bzl", "fetch_ktlint")
-
-fetch_ktlint()

format/extensions.bzl

@@ -0,0 +1 @@
+"Adapt repository rule macros to bzlmod"

format/repositories.bzl

@@ -52,6 +52,14 @@ def fetch_ktfmt():
         url = "https://repo1.maven.org/maven2/com/facebook/ktfmt/0.46/ktfmt-0.46-jar-with-dependencies.jar",
     )
 
+def _jvm_dependencies_impl(_ctx):
+    fetch_ktfmt()
+    fetch_java_format()
+
+jvm_dependencies = module_extension(
+    implementation = _jvm_dependencies_impl,
+)
+
 def fetch_swiftformat():
     # TODO: after https://github.com/bazelbuild/rules_swift/issues/864 we should only fetch for host
     http_archive(
@@ -73,3 +81,10 @@ def fetch_swiftformat():
         sha256 = "978eaffdc3716bbc0859aecee0d83875cf3ab8d8725779448f0035309d9ad9f3",
         url = "https://github.com/nicklockwood/SwiftFormat/releases/download/0.49.17/swiftformat.zip",
     )
+
+def _swift_dependencies_impl(_ctx):
+    fetch_swiftformat()
+
+swift_dependencies = module_extension(
+    implementation = _swift_dependencies_impl,
+)

lint/extensions.bzl

@@ -0,0 +1,14 @@
+"Adapt repository rule macros to bzlmod"
+
+load("checkstyle.bzl", "fetch_checkstyle")
+load("ktlint.bzl", "fetch_ktlint")
+load("pmd.bzl", "fetch_pmd")
+
+def _jvm_dependencies_impl(_ctx):
+    fetch_checkstyle()
+    fetch_ktlint()
+    fetch_pmd()
+
+jvm_dependencies = module_extension(
+    implementation = _jvm_dependencies_impl,
+)

lint/vale.bzl

@@ -202,4 +202,11 @@ def fetch_vale(tag = VALE_VERSIONS.keys()[0]):
             build_file_content = """exports_files(["vale", "vale.exe"])""",
         )
 
-        fetch_styles()
+    fetch_styles()
+
+def _vale_dependencies_impl(_ctx):
+    fetch_vale()
+
+vale_dependencies = module_extension(
+    implementation = _vale_dependencies_impl,
+)