Added a test case to fail if git posix paths are not turned into windows paths

aider/coders/base_coder.py

@@ -6,7 +6,7 @@ import os
 import sys
 import traceback
 from json.decoder import JSONDecodeError
-from pathlib import Path
+from pathlib import Path, PurePosixPath
 
 import backoff
 import git
@@ -248,17 +248,10 @@ class Coder:
         self.repo = git.Repo(repo_paths.pop(), odbt=git.GitDB)
 
         self.root = os.path.abspath(self.repo.working_tree_dir)
-        if self.verbose:
-            dump(self.repo)
-            dump(self.root)
-            dump(os.getcwd())
 
         new_files = []
         for fname in self.abs_fnames:
             relative_fname = self.get_rel_fname(fname)
-            if self.verbose:
-                dump(fname)
-                dump(relative_fname)
 
             tracked_files = set(self.get_tracked_files())
             if relative_fname not in tracked_files:
@@ -962,6 +955,7 @@ class Coder:
     def get_tracked_files(self):
         # convert to appropriate os.sep, since git always normalizes to /
         files = set(self.repo.git.ls_files().splitlines())
+        # return files
         if os.sep == "/":
             return files
         return set(path.replace("/", os.sep) for path in files)

tests/test_main.py

@@ -2,6 +2,7 @@ import os
 import shutil
 import subprocess
 import tempfile
+from pathlib import Path
 from unittest import TestCase
 from unittest.mock import patch
 
@@ -37,9 +38,25 @@ class TestMain(TestCase):
         subprocess.run(["git", "init"])
         subprocess.run(["git", "config", "user.email", "dummy@example.com"])
         subprocess.run(["git", "config", "user.name", "Dummy User"])
-        main(["--verbose", "--yes", "foo.txt"], input=DummyInput(), output=DummyOutput())
+        main(["--yes", "foo.txt"], input=DummyInput(), output=DummyOutput())
         self.assertTrue(os.path.exists("foo.txt"))
 
+    def test_main_with_empty_git_dir_new_subdir_file(self):
+        subprocess.run(["git", "init"])
+        subprocess.run(["git", "config", "user.email", "dummy@example.com"])
+        subprocess.run(["git", "config", "user.name", "Dummy User"])
+        subdir = Path("subdir")
+        subdir.mkdir()
+        fname = subdir / "foo.txt"
+        fname.touch()
+        subprocess.run(["git", "add", str(subdir)])
+        subprocess.run(["git", "commit", "-m", "added"])
+
+        # This will throw a git error on windows if get_tracked_files doesn't
+        # properly convert git/posix/paths to git\posix\paths.
+        # Because aider will try and `git add` a file that's already in the repo.
+        main(["--yes", "--verbose", str(fname)], input=DummyInput(), output=DummyOutput())
+
     def test_main_args(self):
         with patch("aider.main.Coder.create") as MockCoder:
             main(["--no-auto-commits"], input=DummyInput())