ref_resolver index makes entries for import: and include:

schema_salad/ref_resolver.py

@@ -414,6 +414,7 @@ def resolve_ref(
         lref = ref
         obj = None  # type: Optional[CommentedMap]
         resolved_obj = None  # type: ResolveType
+        imp = False
         inc = False
         mixin = None  # type: Optional[MutableMapping[str, str]]
 
@@ -426,6 +427,7 @@ def resolve_ref(
             if "$import" in obj:
                 if len(obj) == 1:
                     lref = obj["$import"]
+                    imp = True
                     obj = None
                 else:
                     raise ValidationException(
@@ -506,6 +508,8 @@ def resolve_ref(
 
         # "$include" directive means load raw text
         if inc:
+            # Make a note in the index that this was an included string
+            self.idx["include:" + url] = url
             return self.fetch_text(url), CommentedMap()
 
         doc = None
@@ -528,6 +532,10 @@ def resolve_ref(
                 doc_url, inject_ids=(not mixin), content_types=content_types
             )
 
+        if imp:
+            # Make a note in the index that this was an imported fragment
+            self.idx["import:" + url] = url
+
         # Recursively expand urls and resolve directives
         if bool(mixin):
             doc = copy.deepcopy(doc)

schema_salad/tests/test_ref_resolver.py

@@ -179,6 +179,10 @@ def test_import_list() -> None:
 
     assert {"foo": ["bar", "baz"]} == ra
 
+    importfile = "import:%slist.json" % basedir
+
+    assert importfile in loader.idx
+
 
 def test_fetch_inject_id() -> None:
     path = get_data("tests/inject-id1.yml")