get_merge_request_changes
Retrieve file changes and diff details from a GitLab merge request to review code modifications before merging.
Instructions
取得 Merge Request 的檔案變更（diff）
Args: project_id: 專案 ID 或路徑 mr_iid: MR 的 IID
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| project_id | Yes | ||
| mr_iid | Yes |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |
Implementation Reference
- src/gitlab_mcp/server.py:378-419 (handler)Handler function in the MCP server that registers the 'get_merge_request_changes' tool and calls the GitLab client.
def get_merge_request_changes(project_id: int | str, mr_iid: int) -> str: """取得 Merge Request 的檔案變更（diff） Args: project_id: 專案 ID 或路徑 mr_iid: MR 的 IID """ try: client = get_client() data = client.get_merge_request_changes(project_id, mr_iid) changes = data.get("changes", []) if not changes: return "此 MR 沒有檔案變更" lines = [f"MR !{mr_iid} 共有 {len(changes)} 個檔案變更：\n"] for c in changes: old_path = c.get("old_path", "") new_path = c.get("new_path", "") if c.get("new_file"): status = "新增" elif c.get("deleted_file"): status = "刪除" elif c.get("renamed_file"): status = f"重新命名: {old_path} → {new_path}" else: status = "修改" lines.append(f" [{status}] {new_path}") diff = c.get("diff", "") if diff: # 截斷過長的 diff if len(diff) > 2000: diff = diff[:2000] + "\n... (diff 已截斷)" lines.append(f"```diff\n{diff}\n```\n") return "\n".join(lines) except GitLabAPIError as e: return f"取得 MR 變更失敗: {str(e)}" - The underlying method in the GitLabClient class that performs the actual API call to GitLab for merge request changes.
def get_merge_request_changes(self, project_id: int | str, mr_iid: int) -> dict: """GET /projects/:id/merge_requests/:iid/changes""" pid = self._resolve_project_id(project_id) return self._get_json(f"/projects/{pid}/merge_requests/{mr_iid}/changes")