add bzlmod

.bazelrc

@@ -9,7 +9,4 @@ build:release -c opt --stamp --workspace_status_command="$PWD/status.py"
 # file should be able to overwrite flags from the root configuration.
 try-import %workspace%/.bazelrc.user
 
-# TODO: migrate all dependencies from WORKSPACE to MODULE.bazel
-# https://github.com/bazelbuild/buildtools/issues/1204
-common --noenable_bzlmod
-
+common --enable_bzlmod --lockfile_mode=off

MODULE.bazel

@@ -1,2 +1,40 @@
-# TODO: migrate all dependencies from WORKSPACE to MODULE.bazel
-# https://github.com/bazelbuild/buildtools/issues/1204
+"""buildtools"""
+
+module(
+    name = "buildtools",
+    repo_name = "com_github_bazelbuild_buildtools",
+)
+
+bazel_dep(name = "rules_go", version = "0.45.1", repo_name = "io_bazel_rules_go")
+
+go_sdk = use_extension("@io_bazel_rules_go//go:extension.bzl", "go_sdk")
+go_sdk.download(version = "1.20.3")
+
+bazel_dep(name = "gazelle", version = "0.30.0", repo_name = "bazel_gazelle")
+
+# cannot use from_file method in go_deps due to go 1.15 in go.mod
+go_deps = use_extension("@bazel_gazelle//:extensions.bzl", "go_deps")
+go_deps.module(
+    path = "github.com/golang/protobuf",
+    version = "v1.4.3",
+)
+go_deps.module(
+    path = "go.starlark.net",
+    sum = "h1:Qoe+9POtDT51UBQ8XEnS9QKeHDQzEl2QRh3eok9R4aw=",
+    version = "v0.0.0-20210223155950-e043a3d3c984",
+)
+go_deps.module(
+    path = "google.golang.org/protobuf",
+    sum = "h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=",
+    version = "v1.25.0",
+)
+use_repo(
+    go_deps,
+    "com_github_golang_protobuf",
+    "net_starlark_go",
+    "org_golang_google_protobuf",
+)
+
+# protobuf 24.4 is not in BCR
+bazel_dep(name = "protobuf", version = "21.7", repo_name = "com_google_protobuf")
+bazel_dep(name = "rules_proto", version = "6.0.0-rc1")

buildozer/buildozer_test.sh

@@ -31,7 +31,7 @@ die () {
 [[ "$1" =~ external/* ]] && buildozer="${{1#external/}}" || buildozer="$TEST_WORKSPACE/$1"
 buildozer="$(rlocation "$buildozer")"
 
-source $TEST_SRCDIR/buildtools/buildozer/test_common.sh
+source $(rlocation "$TEST_WORKSPACE/buildozer/test_common.sh")
 
 ## TEST INPUTS