grabbing module works now

scripts/shop.cm

@@ -78,8 +78,20 @@ function get_normalized_package(path, ctx)
 
 // taking the package into account, find the canonical name
 function get_normalized_module(mod, ctx) {
-  var deps = Shop.load_config(ctx);
-  return deps.dependencies[mod]
+  var cfg = Shop.load_config(ctx)
+
+  if (!cfg || !cfg.dependencies)
+    return null
+
+  var locator = cfg.dependencies[mod]
+  if (!locator)
+    return null
+
+  var parsed = Shop.parse_locator(locator)
+  if (!parsed)
+    return null
+
+  return parsed.path
 }
 
 function get_import_dl(name) {
@@ -512,7 +524,8 @@ function resolve_c_symbol(path, package_ctx)
 
 function mod_scriptor(name, script)
 {
-  return `(function setup_${name}_module($_){${script}})`
+  // TODO: need a safe name here
+  return `(function setup_module($_){${script}})`
 }
 
 function eval_mod(path, script, c_sym)