fix: make generate.sh more robust

argo/kustomize-helm-with-rewrite/generate.sh

@@ -11,8 +11,10 @@ if [ -d chart ]; then
     CHART=chart
 elif [ -f chart -a "$PARAM_CHART" = "." ]; then
     CHART=$(cat chart)
-else
+elif [ -n "$PARAM_CHART" ]; then
     CHART=$PARAM_CHART
+else
+    CHART="."
 fi
 
 [ -f chart/values.yaml ] && VALUES="-f chart/values.yaml"
@@ -21,6 +23,7 @@ fi
 VALUES="$VALUES -f parameters.yaml"
 
 mkdir -p base
+echo "helm template $PARAM_FLAGS $VALUES $ARGOCD_APP_NAME $CHART" > /tmp/$ARGOCD_APP_NAME-helm.sh
 helm template $PARAM_FLAGS $VALUES $ARGOCD_APP_NAME $CHART > ./base/_manifest.yaml
 
 sed -i "$PARAM_REWRITE" ./base/_manifest.yaml