Move go mod tidying/verification to hack scripts

Signed-off-by: Andy Goldstein <[email protected]>

Makefile

@@ -371,15 +371,11 @@ verify-go-versions:
 
 .PHONY: modules
 modules: ## Run go mod tidy to ensure modules are up to date
-	go mod tidy
-	cd pkg/apis; go mod tidy
+	hack/update-go-modules.sh
 
 .PHONY: verify-modules
 verify-modules: modules  ## Verify go modules are up to date
-	@if !(git diff --quiet HEAD -- go.sum go.mod pkg/apis/go.mod pkg/apis/go.sum); then \
-		git diff; \
-		echo "go module files are out of date"; exit 1; \
-	fi
+	hack/verify-go-modules.sh
 
 .PHONY: clean
 clean:

hack/update-go-modules.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+# Copyright 2023 The KCP Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script tidies all go modules in the repository.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+REPO_ROOT=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
+
+mapfile -t DIRS < <(find "${REPO_ROOT}" -name go.mod -print0 | xargs -0 dirname)
+
+for dir in "${DIRS[@]}"; do
+  echo "Tidying ${dir}"
+  go mod tidy
+done

hack/verify-go-modules.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# Copyright 2023 The KCP Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script verifies all go modules in the repository.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+REPO_ROOT=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
+
+mapfile -t DIRS < <(find "${REPO_ROOT}" -name go.mod -print0 | xargs -0 dirname)
+
+for dir in "${DIRS[@]}"; do
+  (
+    cd "$dir"
+    echo "Verifying ${dir}"
+    if ! git diff --quiet HEAD -- go.mod go.sum; then
+      echo "go module files are out of date"
+      git diff HEAD -- go.mod go.sum
+      exit 1
+    fi
+  )
+done