Add check actuality of go.mod and go.sum

.github/workflows/go.yml

@@ -38,6 +38,32 @@ jobs:
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
+  # Check actuality of go.mod and go.sum
+  #
+  # See https://xorcare.ru/s/8dd13
+  check-go-modules:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22.0'
+
+      - name: Check actuality of go.mod and go.sum
+        run: |
+          go mod tidy
+          git diff --exit-code && exit 0 || true  
+          echo '######################################################################'
+          echo
+          echo "ERROR: go.mod or go.sum is different from the committed version"
+          echo "Try using 'go mod tidy' to fix the go.mod and go.sum files"
+          echo "Also, don't forget to commit and push changes"
+          echo
+          echo '######################################################################'
+          exit 1
+
   golangci:
     name: lint
     runs-on: ubuntu-latest

.gitlab-ci.yml

@@ -47,3 +47,22 @@ test:
   coverage: '/^total:\s+\(statements\)\s+(\d+(?:\.\d+)?%)/'
   only:
     - branches
+
+# Check actuality of go.mod and go.sum
+#
+# See https://xorcare.ru/s/8dd13
+check-go-modules:
+  stage: test
+  script:
+    - go mod tidy
+    - |
+      git diff --exit-code && exit 0 || true    
+      echo -e "\033[0;31m"    
+      echo '######################################################################'    
+      echo    
+      echo "ERROR: go.mod or go.sum is different from the committed version"    
+      echo "Try using 'go mod tidy' to fix the go.mod and go.sum files"    
+      echo "Also, don't forget to commit and push changes"    
+      echo    
+      echo '######################################################################'    
+      exit 1