ci: add shell check

.drone.yml

@@ -82,6 +82,12 @@ steps:
   commands:
     - ./tools/ci/static_analysis/clang_tidy.sh
 
+- name: shell check
+  image: ci:latest
+  pull: if-not-exists
+  commands:
+    - ./tools/ci/static_analysis/shell_check.sh
+
 - name: clang format
   image: ci:latest
   pull: if-not-exists

tools/ci/static_analysis/shell_check.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -euo pipefail
+cd "$(git rev-parse --show-toplevel)/"
+
+has_shellcheck_issues=0
+while IFS= read -r -d '' file; do
+    echo "Checking shell script $file"
+
+    if ! shellcheck "$file"; then
+        echo "❌ Shellcheck issue detected in $file"
+        has_shellcheck_issues=1
+    fi
+done < <(find ./modules ./tools -name '*.sh' -print0)
+
+if [ "$has_shellcheck_issues" -eq 0 ]; then
+    echo "✅ All files are properly shellchecked! Well done! ^~^"
+fi
+exit ${has_shellcheck_issues}