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devtools/commitgen/git.py

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+"""
+Git service for commit_gen tool.
+"""
+from typing import List, Optional
+from ..shared.git import GitService
+from ..shared.config import Config
+import os
+
+class CommitGenGitService(GitService):
+    """Git service for commit_gen tool."""
+    
+    def __init__(self, config: Config):
+        """Initialize commit_gen git service."""
+        super().__init__(os.getcwd())  # Use current directory as repo path
+        self.config = config
+        
+    def get_staged_changes(self, files: Optional[List[str]] = None) -> str:
+        """Get staged changes as a diff.
+        
+        Args:
+            files: Optional list of files to get changes for
+        """
+        diffs = self.get_all_diffs(staged=True)
+        if files:
+            diffs = {file: diff for file, diff in diffs.items() if file in files}
+        return "\n\n".join(f"Changes in {file}:\n{diff}" for file, diff in diffs.items())
+        
+    def get_unstaged_changes(self) -> str:
+        """Get unstaged changes as a diff."""
+        diffs = self.get_all_diffs(staged=False)
+        return "\n\n".join(f"Changes in {file}:\n{diff}" for file, diff in diffs.items())
+        
+    def commit_changes(self, message: str, sign: bool = False) -> None:
+        """Commit changes with the given message."""
+        if not self.commit(message, sign=sign):
+            raise Exception("Failed to commit changes")
+        
+    def get_recent_commits(self, limit: int = 10) -> List[str]:
+        """Get recent commit messages."""
+        commits = self.get_commit_history(limit=limit)
+        return [commit["message"] for commit in commits]