extensions/git/src/repository.ts/Repository/pullWithRebase
class Repository:	async pullWithRebase(head: Branch | undefined): Promise<void> {
		let remote: string | undefined;
		let branch: string | undefined;

		if (head && head.name && head.upstream) {
			remote = head.upstream.remote;
			branch = `${head.upstream.name}`;
		}

		return this.pullFrom(true, remote, branch);
	}