Allow repo map to work with whole edit format, for weaker models with large context

aider/coders/base_coder.py

@@ -204,7 +204,7 @@ class Coder:
                 self.verbose,
             )
 
-        if map_tokens > 0:
+        if map_tokens > 0 and self.repo_map:
             self.io.tool_output(f"Repo-map: using {map_tokens} tokens")
             max_map_tokens = 2048
             if map_tokens > max_map_tokens:
@@ -212,8 +212,10 @@ class Coder:
                     f"Warning: map-tokens > {max_map_tokens} is not recommended as too much"
                     " irrelevant code can confuse GPT."
                 )
-        else:
+        elif not map_tokens:
             self.io.tool_output("Repo-map: disabled because map_tokens == 0")
+        else:
+            self.io.tool_output("Repo-map: disabled")
 
         for fname in self.get_inchat_relative_files():
             self.io.tool_output(f"Added {fname} to the chat.")

aider/coders/wholefile_prompts.py

@@ -41,3 +41,7 @@ Create a new file you MUST return a *file listing* which includes an appropriate
 
     # this coder is not able to handle repo content
     repo_content_prefix = None
+
+    repo_content_prefix = """Below here are summaries of files present in the user's git repository.
+Do not propose changes to these files, they are *read-only*.
+"""

aider/models.py

@@ -129,8 +129,8 @@ MODEL_SETTINGS = [
         "groq/llama3-70b-8192",
         "diff",
         weak_model_name="groq/llama3-8b-8192",
-        use_repo_map=True,
+        use_repo_map=False,
-        send_undo_reply=True,
+        send_undo_reply=False,
     ),
     # Gemini
     ModelSettings(