Method checkout

core/src/tools/builtin/git.rs:283–313

Checkout a branch or commit.

(
        &self,
        args: &serde_json::Value,
        git: &dyn WorkspaceGit,
    )

    /// Checkout a branch or commit.
    async fn checkout(
        &self,
        args: &serde_json::Value,
        git: &dyn WorkspaceGit,
    ) -> Result<ToolOutput> {
        let refspec = match args.get("ref").and_then(|v| v.as_str()) {
            Some(r) => r,
            None => return Ok(ToolOutput::error("ref parameter is required for checkout")),
        };

        let force = args.get("force").and_then(|v| v.as_bool()).unwrap_or(false);

        match git
            .checkout(WorkspaceGitCheckoutRequest {
                refspec: refspec.to_string(),
                force,
            })
            .await
        {
            Ok(output) => Ok(ToolOutput::success(format!(
                "Checked out: {}{}",
                refspec,
                if output.stdout.trim().is_empty() {
                    String::new()
                } else {
                    format!("\n{}", output.stdout)
                }
            ))),
            Err(e) => Ok(ToolOutput::error(format!("Failed to checkout: {e}"))),
        }
    }

    /// Show diff.
    async fn diff(&self, args: &serde_json::Value, git: &dyn WorkspaceGit) -> Result<ToolOutput> {