Only extract function bodies for local crates,

unless the -Oextract_dependencies=true flag is supplied

rust/codeql-extractor.yml

@@ -13,4 +13,24 @@ file_types:
   - name: rust
     display_name: Rust files
     extensions:
-       - .rs
+      - .rs
+options:
+  trap:
+    title: Options pertaining to TRAP.
+    type: object
+    properties:
+      compression:
+        title: Controls compression for the TRAP files written by the extractor.
+        description: >
+          This option is only intended for use in debugging the extractor. Accepted
+          values are 'brotli' (the default, to write brotli-compressed TRAP), 'gzip', and 'none'
+          (to write uncompressed TRAP).
+        type: string
+        pattern: "^(none|gzip|brotli)$"
+  extract_dependencies:
+    title: Whether to extract dependencies.
+    description: >
+      Extract the source code of dependencies and the standard libraries in addition to 
+      normal source code.
+    type: string
+    pattern: "^(false|true)$"