feat: Add git_ignored_file method to check files against gitignore

aider/coders/base_coder.py

@@ -355,6 +355,9 @@ class Coder:
 
         for fname in fnames:
             fname = Path(fname)
+            if self.repo and self.repo.git_ignored_file(fname):
+                self.io.tool_warning(f"Skipping {fname} that matches gitignore spec.")
+
             if self.repo and self.repo.ignored_file(fname):
                 self.io.tool_warning(f"Skipping {fname} that matches aiderignore spec.")
                 continue
@@ -1779,6 +1782,10 @@ class Coder:
             self.check_for_dirty_commit(path)
             return True
 
+        if self.repo and self.repo.git_ignored_file(path):
+            self.io.tool_warning(f"Skipping edits to {path} that matches gitignore spec.")
+            return
+
         if not Path(full_path).exists():
             if not self.io.confirm_ask("Create new file?", subject=path):
                 self.io.tool_output(f"Skipping edits to {path}")

aider/commands.py

@@ -737,6 +737,10 @@ class Commands:
         for matched_file in sorted(all_matched_files):
             abs_file_path = self.coder.abs_root_path(matched_file)
 
+            if self.coder.repo.git_ignored_file(matched_file):
+                self.io.tool_error(f"Can't add {matched_file} which is in gitignore")
+                continue
+
             if not abs_file_path.startswith(self.coder.root) and not is_image_file(matched_file):
                 self.io.tool_error(
                     f"Can not add {abs_file_path}, which is not within {self.coder.root}"

aider/repo.py

@@ -331,6 +331,12 @@ class GitRepo:
                 lines,
             )
 
+    def git_ignored_file(self, path):
+        if not self.repo:
+            return
+        if self.repo.ignored(path):
+            return True
+
     def ignored_file(self, fname):
         self.refresh_aider_ignore()