From 3e5388ce6ea2be58b8b002d2a96cb04ef74bc6aa Mon Sep 17 00:00:00 2001
From: coredevorg <73153008+coredevorg@users.noreply.github.com>
Date: Tue, 22 Apr 2025 15:36:03 +0200
Subject: [PATCH] feature: repomap cache directory configuration setting

---
 aider/args.py              | 12 +++++++++++-
 aider/coders/base_coder.py |  6 +++++-
 aider/main.py              |  1 +
 aider/repomap.py           | 17 +++++++++++------
 4 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/aider/args.py b/aider/args.py
index 6df19778b..5f7f73645 100644
--- a/aider/args.py
+++ b/aider/args.py
@@ -247,6 +247,16 @@ def get_parser(default_config_files, git_root):
         default=2,
         help="Multiplier for map tokens when no files are specified (default: 2)",
     )
+    group.add_argument(
+        "--map-cache-dir",
+        metavar="MAP_CACHE_DIR",
+        dest="map_cache_dir",
+        default=".",
+        help=(
+            "Directory for the repository map cache .aider.tags.cache.v3"
+            " (default: current directory)"
+        ),
+    )
 
     ##########
     group = parser.add_argument_group("History Files")
@@ -522,7 +532,7 @@ def get_parser(default_config_files, git_root):
         help="Run tests, fix problems found and then exit",
         default=False,
     )
-
+    
     ##########
     group = parser.add_argument_group("Analytics")
     group.add_argument(
diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index 675570c60..e04b60558 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -323,7 +323,11 @@ class Coder:
         file_watcher=None,
         auto_copy_context=False,
         auto_accept_architect=True,
+        map_cache_dir='.',
     ):
+        # initialize from args.map_cache_dir
+        self.map_cache_dir = map_cache_dir
+        
         # Fill in a dummy Analytics if needed, but it is never .enable()'d
         self.analytics = analytics if analytics is not None else Analytics()
 
@@ -475,7 +479,7 @@ class Coder:
         if use_repo_map and self.repo and has_map_prompt:
             self.repo_map = RepoMap(
                 map_tokens,
-                self.root,
+                self.map_cache_dir,
                 self.main_model,
                 io,
                 self.gpt_prompts.repo_content_prefix,
diff --git a/aider/main.py b/aider/main.py
index 89286e1de..5fa4ffc3a 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -988,6 +988,7 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
             detect_urls=args.detect_urls,
             auto_copy_context=args.copy_paste,
             auto_accept_architect=args.auto_accept_architect,
+            map_cache_dir=args.map_cache_dir,
         )
     except UnknownEditFormat as err:
         io.tool_error(str(err))
diff --git a/aider/repomap.py b/aider/repomap.py
index 598770d18..a28d0bd3a 100644
--- a/aider/repomap.py
+++ b/aider/repomap.py
@@ -44,7 +44,7 @@ class RepoMap:
     def __init__(
         self,
         map_tokens=1024,
-        root=None,
+        map_cache_dir='.',
         main_model=None,
         io=None,
         repo_content_prefix=None,
@@ -57,9 +57,8 @@ class RepoMap:
         self.verbose = verbose
         self.refresh = refresh
 
-        if not root:
-            root = os.getcwd()
-        self.root = root
+        self.map_cache_dir = map_cache_dir
+        self.root = os.getcwd()
 
         self.load_tags_cache()
         self.cache_threshold = 0.95
@@ -82,6 +81,12 @@ class RepoMap:
             self.io.tool_output(
                 f"RepoMap initialized with map_mul_no_files: {self.map_mul_no_files}"
             )
+            self.io.tool_output(
+                f"RepoMap initialized with map_cache_dir: {self.map_cache_dir}"
+            )
+            self.io.tool_output(
+                f"RepoMap assumes repo root is: {self.root}"
+            )
 
     def token_count(self, text):
         len_text = len(text)
@@ -180,7 +185,7 @@ class RepoMap:
         if isinstance(getattr(self, "TAGS_CACHE", None), dict):
             return
 
-        path = Path(self.root) / self.TAGS_CACHE_DIR
+        path = Path(self.map_cache_dir) / self.TAGS_CACHE_DIR
 
         # Try to recreate the cache
         try:
@@ -212,7 +217,7 @@ class RepoMap:
         self.TAGS_CACHE = dict()
 
     def load_tags_cache(self):
-        path = Path(self.root) / self.TAGS_CACHE_DIR
+        path = Path(self.map_cache_dir) / self.TAGS_CACHE_DIR
         try:
             self.TAGS_CACHE = Cache(path)
         except SQLITE_ERRORS as e: