Finish migration to bzlmod

- bump bazel to 6.4.0
- bump rules_go, gazelle, platforms
- enable bzlmod
- clear WORKSPACE (cannot remove yet due to examples)
- remove `gofmt`, #136
- remove Go MacOS x86_64 tests, #10

.bazelrc

@@ -1,3 +1,5 @@
+common --enable_bzlmod
+
 test --sandbox_default_allow_network=false
 test --test_output=errors
 
@@ -7,4 +9,4 @@ build --worker_sandboxing
 build --experimental_reuse_sandbox_directories
 build --incompatible_enable_cc_toolchain_resolution
 build --action_env BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1
-build --experimental_output_directory_naming_scheme=diff_against_baseline
+build --experimental_output_directory_naming_scheme=diff_against_dynamic_baseline

.bazelversion

@@ -1 +1 @@
-6.3.0
+6.4.0

.buildkite/pipeline.yml

@@ -23,8 +23,6 @@ steps:
     command: ci/prepare_git && ci/test_example rules_cc override_repository
   - label: "Test bzlmod example"
     command: ci/prepare_git && ci/test_example bzlmod override_module
-  - label: "mod-tidy and update-repos"
-    command: tools/mod-tidy && git diff --exit-code
 agents:
     - "queue=init"
     - "docker=*"

BUILD

@@ -9,8 +9,3 @@ alias(
     name = "gazelle",
     actual = "//tools/gazelle:gazelle",
 )
-
-alias(
-    name = "gazelle-update-repos",
-    actual = "//tools/gazelle:gazelle-update-repos",
-)

MODULE.bazel

@@ -3,9 +3,9 @@ module(
     version = "2.1.3",
 )
 
-bazel_dep(name = "platforms", version = "0.0.6")
+bazel_dep(name = "platforms", version = "0.0.8")
 
-bazel_dep(name = "rules_go", version = "0.41.0", dev_dependency = True)
+bazel_dep(name = "rules_go", version = "0.43.0", dev_dependency = True)
 
 go_sdk = use_extension(
     "@rules_go//go:extensions.bzl",
@@ -14,7 +14,7 @@ go_sdk = use_extension(
 )
 use_repo(go_sdk, "go_default_sdk")
 
-bazel_dep(name = "gazelle", version = "0.32.0", dev_dependency = True)
+bazel_dep(name = "gazelle", version = "0.34.0", dev_dependency = True)
 
 go_deps = use_extension(
     "@gazelle//:extensions.bzl",
@@ -25,4 +25,27 @@ go_deps.from_file(go_mod = "//:go.mod")
 use_repo(
     go_deps,
     "com_github_bazelbuild_buildtools",
+    "com_github_stretchr_testify",
+)
+
+toolchains = use_extension("//toolchain:ext.bzl", "toolchains")
+use_repo(toolchains, "zig_sdk")
+
+register_toolchains(
+    # if no `--platform` is specified, these toolchains will be used for
+    # (linux,darwin,windows)x(amd64,arm64)
+    "@zig_sdk//toolchain:linux_amd64_gnu.2.28",
+    "@zig_sdk//toolchain:linux_arm64_gnu.2.28",
+    "@zig_sdk//toolchain:darwin_amd64",
+    "@zig_sdk//toolchain:darwin_arm64",
+    "@zig_sdk//toolchain:windows_amd64",
+    "@zig_sdk//toolchain:windows_arm64",
+
+    # amd64 toolchains for libc-aware platforms:
+    "@zig_sdk//libc_aware/toolchain:linux_amd64_gnu.2.28",
+    "@zig_sdk//libc_aware/toolchain:linux_amd64_gnu.2.31",
+    "@zig_sdk//libc_aware/toolchain:linux_amd64_musl",
+    # arm64 toolchains for libc-aware platforms:
+    "@zig_sdk//libc_aware/toolchain:linux_arm64_gnu.2.28",
+    "@zig_sdk//libc_aware/toolchain:linux_arm64_musl",
 )

WORKSPACE

@@ -1,86 +0,0 @@
-workspace(name = "hermetic_cc_toolchain")
-
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
-RULESGO_VERSION = "v0.39.1"
-
-http_archive(
-    name = "io_bazel_rules_go",
-    sha256 = "6dc2da7ab4cf5d7bfc7c949776b1b7c733f05e56edc4bcd9022bb249d2e2a996",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/{0}/rules_go-{0}.zip".format(RULESGO_VERSION),
-        "https://github.com/bazelbuild/rules_go/releases/download/{0}/rules_go-{0}.zip".format(RULESGO_VERSION),
-    ],
-)
-
-PROTOBUF_VERSION = "23.0"
-
-http_archive(
-    name = "com_google_protobuf",
-    sha256 = "b29fc5fc13926f347b7a8b676ae1e63f7ccdb92c2fc8ca326bc3a883dcc168ac",
-    strip_prefix = "protobuf-{}".format(PROTOBUF_VERSION),
-    urls = [
-        "https://github.com/protocolbuffers/protobuf/releases/download/v{0}/protobuf-{0}.tar.gz".format(PROTOBUF_VERSION),
-    ],
-)
-
-load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
-
-protobuf_deps()
-
-GAZELLE_VERSION = "v0.30.0"
-
-http_archive(
-    name = "bazel_gazelle",
-    sha256 = "727f3e4edd96ea20c29e8c2ca9e8d2af724d8c7778e7923a854b2c80952bc405",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/{0}/bazel-gazelle-{0}.tar.gz".format(GAZELLE_VERSION),
-        "https://github.com/bazelbuild/bazel-gazelle/releases/download/{0}/bazel-gazelle-{0}.tar.gz".format(GAZELLE_VERSION),
-    ],
-)
-
-load("@io_bazel_rules_go//go:deps.bzl", "go_download_sdk", "go_register_toolchains", "go_rules_dependencies")
-load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies")
-
-go_rules_dependencies()
-
-# use latest stable.
-go_download_sdk(
-    name = "go_sdk",
-    version = "1.20.4",
-)
-
-go_register_toolchains()
-
-load("//:repositories.bzl", "go_repositories")
-
-# gazelle:repository_macro repositories.bzl%go_repositories
-go_repositories()
-
-gazelle_dependencies(go_repository_default_config = "@//:WORKSPACE")
-
-load(
-    "//toolchain:defs.bzl",
-    zig_toolchains = "toolchains",
-)
-
-zig_toolchains()
-
-register_toolchains(
-    # if no `--platform` is specified, these toolchains will be used for
-    # (linux,darwin,windows)x(amd64,arm64)
-    "@zig_sdk//toolchain:linux_amd64_gnu.2.28",
-    "@zig_sdk//toolchain:linux_arm64_gnu.2.28",
-    "@zig_sdk//toolchain:darwin_amd64",
-    "@zig_sdk//toolchain:darwin_arm64",
-    "@zig_sdk//toolchain:windows_amd64",
-    "@zig_sdk//toolchain:windows_arm64",
-
-    # amd64 toolchains for libc-aware platforms:
-    "@zig_sdk//libc_aware/toolchain:linux_amd64_gnu.2.28",
-    "@zig_sdk//libc_aware/toolchain:linux_amd64_gnu.2.31",
-    "@zig_sdk//libc_aware/toolchain:linux_amd64_musl",
-    # arm64 toolchains for libc-aware platforms:
-    "@zig_sdk//libc_aware/toolchain:linux_arm64_gnu.2.28",
-    "@zig_sdk//libc_aware/toolchain:linux_arm64_musl",
-)

ci/lint

@@ -26,9 +26,12 @@ mapfile -t zigfiles < <(git ls-files '*.zig')
 >&2 echo "--- zig fmt ${zigfiles[*]}"
 $ZIG fmt "${zigfiles[@]}"
 
->&2 echo "--- go fmt :go:"
-mapfile -t gofiles < <(git ls-files '**/*.go')
-tools/bazel run @go_sdk//:bin/gofmt -- -w "${gofiles[@]}"
+# TODO
+# https://github.com/uber/hermetic_cc_toolchain/issues/136
+>&2 echo "--- Skipping go fmt :go:"
+#>&2 echo "--- go fmt :go:"
+#mapfile -t gofiles < <(git ls-files '**/*.go')
+#tools/bazel run @rules_go//go -- fmt -w "${gofiles[@]}"
 
 >&2 echo "--- buildifier :bazel:"
 tools/buildifier -r -mode fix "$PWD"