refactor: use git extension API for worktree creation instead of shell execution

Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

Author: Copilot

src/api/api.d.ts

@@ -209,6 +209,9 @@ export interface Repository {
 	add(paths: string[]): Promise<void>;
 	merge(ref: string): Promise<void>;
 	mergeAbort(): Promise<void>;
+
+	createWorktree?(options?: { path?: string; commitish?: string; branch?: string }): Promise<string>;
+	deleteWorktree?(path: string, options?: { force?: boolean }): Promise<void>;
 }
 
 /**

src/commands.ts

@@ -896,50 +896,22 @@ export function registerCommands(
 
 					const worktreePath = worktreeUri.fsPath;
 
-					// Create the worktree using a VS Code task
+					// Create the worktree using the git extension API
 					progress.report({ message: vscode.l10n.t('Creating worktree at {0}...', worktreePath) });
 
 					const trackedBranchName = `${remoteName}/${branchName}`;
-					const localBranchName = branchName;
 
 					try {
-						// Create a VS Code task to execute the git worktree command
-						const taskDefinition: vscode.TaskDefinition = {
-							type: 'shell'
-						};
-
-						const shellExecution = new vscode.ShellExecution('git', [
-							'worktree', 'add',
-							'-b', { value: localBranchName, quoting: vscode.ShellQuoting.Strong },
-							{ value: worktreePath, quoting: vscode.ShellQuoting.Strong },
-							{ value: trackedBranchName, quoting: vscode.ShellQuoting.Strong }
-						], {
-							cwd: repoRootPath
-						});
-
-						const task = new vscode.Task(
-							taskDefinition,
-							vscode.TaskScope.Workspace,
-							vscode.l10n.t('Create Worktree for Pull Request #{0}', pullRequestModel.number),
-							'git',
-							shellExecution
-						);
+						// Check if the createWorktree API is available
+						if (!repositoryToUse.createWorktree) {
+							throw new Error(vscode.l10n.t('Git worktree API is not available. Please update VS Code to the latest version.'));
+						}
 
-						// Execute the task and wait for completion
-						const taskExecution = await vscode.tasks.executeTask(task);
-
-						// Wait for task to complete
-						await new Promise<void>((resolve, reject) => {
-							const disposable = vscode.tasks.onDidEndTaskProcess(e => {
-								if (e.execution === taskExecution) {
-									disposable.dispose();
-									if (e.exitCode === 0) {
-										resolve();
-									} else {
-										reject(new Error(vscode.l10n.t('Git worktree command failed with exit code {0}', e.exitCode?.toString() ?? 'unknown')));
-									}
-								}
-							});
+						// Use the git extension's createWorktree API
+						await repositoryToUse.createWorktree({
+							path: worktreePath,
+							commitish: trackedBranchName,
+							branch: branchName
 						});
 
 						// Ask user if they want to open the worktree