enforce lowercase filenames

.github/workflows/ci.yml

@@ -140,6 +140,8 @@ jobs:
         run: |
           go generate pkg/integration/tests/tests.go && git diff --exit-code || (echo "Integration test list not up to date. Run 'go generate pkg/integration/tests/tests.go' locally and commit the changes" && exit 1)
         shell: bash # needed so that we get "-o pipefail"
+      - name: Check Filenames
+        run: scripts/check_filenames.sh
   lint:
     runs-on: ubuntu-latest
     env:

scripts/check_filenames.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# Find all Go files in the project directory and its subdirectories, except in the vendor directory
+for file in $(find . -name "*.go" -not -path "./vendor/*"); do
+
+  # Check if the file name contains uppercase letters
+  if [[ "$file" =~ [A-Z] ]]; then
+    echo "Error: $file contains uppercase letters. All Go files in the project (excluding vendor directory) must use snake_case"
+    exit 1
+  fi
+done
+
+echo "All Go files in the project (excluding vendor directory) use lowercase letters"
+exit 0