packages: removed nix files

Makefile

@@ -78,6 +78,18 @@ docs-cleanup:
 web-build:
 	NODE_PATH=$(NODE_PATH) $(GRUNT)
 
+	# check required files
+	STATIC_CHECK="/robots.txt /502.html \
+				  /js/scripts.min.js /js/rhodecode-components.js \
+				  /css/style.css /css/style-polymer.css /css/style-ipython.css"
+
+	for file in $STATIC_CHECK;
+	do
+		if [ ! -f rhodecode/public/$file ]; then
+		  echo "Missing $file expected after web-build"
+		  exit 1
+		fi
+	done
 
 .PHONY: pip-packages
 ## show outdated packages