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-53,6 +57,7 @@ class GitTools(str, Enum): RESET = "git_reset" LOG = "git_log" CREATE_BRANCH = "git_create_branch" + CHECKOUT = "git_checkout" def git_status(repo: git.Repo) -> str: return repo.git.status() @@ -96,6 +101,10 @@ def git_create_branch(repo: git.Repo, branch_name: str, base_branch: str | None repo.create_head(branch_name, base) return f"Created branch '{branch_name}' from '{base.name}'" +def git_checkout(repo: git.Repo, branch_name: str) -> str: + repo.git.checkout(branch_name) + return f"Switched to branch '{branch_name}'" + async def serve(repository: Path | None) -> None: logger = logging.getLogger(__name__) @@ -152,6 +161,11 @@ async def serve(repository: Path | None) -> None: description="Creates a new branch from an optional base branch", inputSchema=GitCreateBranch.schema(), ), + Tool( + name=GitTools.CHECKOUT, + description="Switches branches", + inputSchema=GitCheckout.schema(), + ), ] async def list_repos() -> Sequence[str]: @@ -249,6 +263,13 @@ async def serve(repository: Path | None) -> None: text=result )] + case GitTools.CHECKOUT: + result = git_checkout(repo, arguments["branch_name"]) + return [TextContent( + type="text", + text=result + )] + case _: raise ValueError(f"Unknown tool: {name}") diff --git a/src/git/tests/test_server.py b/src/git/tests/test_server.py new file mode 100644 index 00000000..7d86f521 --- /dev/null +++ b/src/git/tests/test_server.py @@ -0,0 +1,24 @@ +import pytest +from pathlib import Path +import git +from mcp_server_git.server import git_checkout + +def test_git_checkout_existing_branch(tmp_path: Path): + # Setup test repo + repo = git.Repo.init(tmp_path) + Path(tmp_path / "test.txt").write_text("test") + repo.index.add(["test.txt"]) + repo.index.commit("initial commit") + + # Create and test branch + repo.git.branch("test-branch") + result = git_checkout(repo, "test-branch") + + assert "Switched to branch 'test-branch'" in result + assert repo.active_branch.name == "test-branch" + +def 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