add --kube-version opt to helm lint hook (#116)

Co-authored-by: James Kwon <96548424+hongil0316@users.noreply.github.com>

hooks/helmlint.sh

@@ -105,6 +105,30 @@ chart_path() {
 # An array to keep track of which charts we already linted
 seen_chart_paths=()
 
+# A variable to store helm lint opts
+helm_lint_opts=""
+
+# An array to store file names after flags have been processed
+files=()
+
+handle_options() {
+  while [ $# -gt 0 ]; do
+    case $1 in
+      --kube-version)
+        helm_lint_opts+="$1 $2"
+        shift
+        ;;
+      *)
+        files+=( "$1" )
+        ;;
+    esac
+    shift
+  done
+}
+
+handle_options "$@"
+debug "Passed args: $helm_lint_opts"
+
 for file in "$@"; do
   debug "Checking $file"
   file_chart_path=$(chart_path "$file")
@@ -123,11 +147,11 @@ for file in "$@"; do
     if contains_element "$file_chart_path" "${seen_chart_paths[@]}"; then
       debug "Already linted $file_chart_path"
     elif [[ -z "$linter_values_arg" ]]; then
-      helm lint "$file_chart_path"
+      helm lint $helm_lint_opts "$file_chart_path"
       seen_chart_paths+=( "$file_chart_path" )
     else
       # Combine both linter_values.yaml and values.yaml
-      helm lint -f "$file_chart_path/values.yaml" -f "$linter_values_arg" "$file_chart_path"
+      helm lint $helm_lint_opts -f "$file_chart_path/values.yaml" -f "$linter_values_arg" "$file_chart_path"
       seen_chart_paths+=( "$file_chart_path" )
     fi
   fi