ci: add check for Go version consistency

Author: johnstcn

.github/workflows/release.yml

@@ -19,6 +19,9 @@ jobs:
     name: Run Integration Tests
     runs-on: ubuntu-latest
     steps:
+      - name: Check Go Versions
+        run: ./scripts/check_go_version.sh
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
@@ -77,6 +80,9 @@ jobs:
       - name: Unshallow
         run: git fetch --prune --unshallow
 
+      - name: Check Go Versions
+        run: ./scripts/check_go_version.sh
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:

.github/workflows/test.yml

@@ -19,6 +19,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
+      - name: Check Go Versions
+        run: ./scripts/check_go_version.sh
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
@@ -122,6 +125,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
+      - name: Check Go Versions
+        run: ./scripts/check_go_version.sh
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:

scripts/check_go_version.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+MOD_VERSION=$(go mod edit -json | jq -r .Go)
+echo "go.mod version: $MOD_VERSION"
+
+for wf in .github/workflows/*.yml; do
+    echo "Checking $wf ..."
+
+    WF_VERSIONS=$(yq -r '.jobs[].steps[] | select(.with["go-version"]) | .with["go-version"]' -o=tsv "$wf" | grep -v '^---$' || true)
+    if [ -z "$WF_VERSIONS" ]; then
+        echo "ℹ️ No go-version found in $wf (skipped)"
+        continue
+    fi
+
+    UNIQUE_WF_VERSIONS=$(echo "$WF_VERSIONS" | sort -u)
+    if [ "$(echo "$UNIQUE_WF_VERSIONS" | wc -l)" -ne 1 ]; then
+        echo "❌ Multiple Go versions found in $wf:"
+        echo "$UNIQUE_WF_VERSIONS"
+        exit 1
+    fi
+
+    # At this point there's only one unique Go version
+    if [ "$UNIQUE_WF_VERSIONS" != "$MOD_VERSION" ]; then
+        echo "❌ Mismatch in $wf: go.mod=$MOD_VERSION but workflow uses $UNIQUE_WF_VERSIONS"
+        exit 1
+    fi
+
+    echo "✅ $wf matches go.mod ($MOD_VERSION)"
+done
+
+echo "✅ All workflows consistent with go.mod ($MOD_VERSION)"