Fixes issue24

src/extension.ts

@@ -321,12 +321,36 @@ class GitBackupSync {
 			return false;
 		}
 
+		let backupBranchName: string;
+		let branchInfo = await this._branchInfo.get(this._config.branchInfoPath, currentBranchName);
+		if (branchInfo === undefined) {
+			///ask user if they want to loadBackup by giving a backup Branch name
+			let branchName = await vscode.window.showInputBox({
+				placeHolder: 'No backup branch found.Type a Branch Name, or press Esc to cancel',
+				ignoreFocusOut: true, // 光标移开也不会消失
+				prompt: "Load Backup Branch",
+			});
+
+			if (branchName === undefined) {
+				this.showErrorMessage(`Load Backup failed: No backup branch found for "${currentBranchName}"`);
+				return false;
+			}
+
+			backupBranchName = branchName;
+		}
+		else {
+			backupBranchName = branchInfo.backupBranchName;
+		}
+
+
+		/*
 		let branchInfo = await this._branchInfo.get(this._config.branchInfoPath, currentBranchName);
 		if (branchInfo === undefined) {
 			this.showErrorMessage(`Load Backup failed: No backup branch found for "${currentBranchName}"`);
 			return false;
 		}
 		let backupBranchName: string = branchInfo.backupBranchName;
+		*/
 		// stashes the current changes. Normally this shouldn't do anything since you wouldn't want to load backup with local changes
 		console.log(await this._git.stash());
 		console.log(await this._git.checkout(backupBranchName));