chore: refactor presubmits so they are easier to run locally

.github/workflows/main.yml

@@ -19,15 +19,9 @@ jobs:
 
       - uses: actions/checkout@v2
 
-      - name: verify goimports
-        run: |
-          files=$(go run golang.org/x/tools/cmd/goimports -format-only -l .)
-          # Sadly goimports doesn't use exit codes
-          if [[ -n "${files}" ]]; then
-            echo "::error ::goimports should be run on these files:"
-            echo "${files}"
-            exit 1
-          fi
+      - name: verify-goimports
+        run: dev/ci/presubmits/verify-goimports
+
 
   verify-gomod:
     runs-on: ubuntu-latest
@@ -40,17 +34,8 @@ jobs:
 
       - uses: actions/checkout@v2
 
-      - run: dev/format-gomod
-
-      - run: |
-          changes=$(git status --porcelain)
-          if [[ -n "${changes}" ]]; then
-            echo "::error Changes detected from dev/format-gomod:"
-            echo "::error (You may need to run go clean -cache -modcache)"
-            git diff | head -n60
-            echo "${changes}"
-            exit 1
-          fi
+      - name: verify-gomod
+        run: dev/ci/presubmits/verify-gomod
 
   kind-e2e:
     name: Test with a Kind cluster

dev/ci/presubmits/verify-goimports

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Copyright 2025 The Kubernetes 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.
+
+
+# CI script to keep all files formatted with goimporrts
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# cd to the repo root
+REPO_ROOT=$(git rev-parse --show-toplevel)
+cd "${REPO_ROOT}"
+
+files=$(go run golang.org/x/tools/cmd/goimports -format-only -l .)
+# Sadly goimports doesn't use exit codes
+if [[ -n "${files}" ]]; then
+    echo "::error ::goimports should be run on these files:"
+    echo "${files}"
+    exit 1
+fi

dev/ci/presubmits/verify-gomod

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Copyright 2025 The Kubernetes 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.
+
+
+# CI script to keep all our go.mod/go.sum updated
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# cd to the repo root
+REPO_ROOT=$(git rev-parse --show-toplevel)
+cd "${REPO_ROOT}"
+
+dev/format-gomod
+
+changes=$(git status --porcelain)
+if [[ -n "${changes}" ]]; then
+    echo "::error Changes detected from dev/format-gomod:"
+    echo "::error (You may need to run go clean -cache -modcache)"
+    git diff | head -n60
+    echo "${changes}"
+    exit 1
+fi