microsoft/vscode · error · Error

Failed to push base branch to remote. Please push the branch

Error message

Failed to push base branch to remote. Please push the branch manually and try again.

What it means

Error "Failed to push base branch to remote. Please push the branch manually and try again." thrown in microsoft/vscode.

Source

Thrown at extensions/copilot/src/extension/chatSessions/vscode-node/copilotCloudGitOperationsManager.ts:69

			remoteName: repo.state.HEAD?.upstream?.remote ?? currentRepository.upstreamRemote ?? repo.state.remotes?.[0]?.name ?? 'origin',
			baseRef: currentRepository.headBranchName ?? 'main'
		};
	}

	/**
	 * Pushes the current ref to the remote
	 * @returns The name of the pushed branch
	 */
	async pushBaseRefToRemote(): Promise<string> {
		try {
			const { repository, remoteName, baseRef } = await this.repoInfo();
			const expectedRemoteBranch = `${remoteName}/${baseRef}`;
			this.logService.warn(`Base branch '${expectedRemoteBranch}' not found on remote. Pushing...`);
			await repository.push(remoteName, baseRef, true);
			return baseRef;
		} catch (error) {
			this.logService.error(`Failed to push base ref to remote: ${error instanceof Error ? error.message : String(error)}`);
			throw new Error(vscode.l10n.t('Failed to push base branch to remote. Please push the branch manually and try again.'));
		}
	}

	async checkIfRemoteHasRef(repository: Repository, remoteName: string, baseRef: string): Promise<boolean> {
		const remoteBranches =
			(await repository.getBranches({ remote: true }))
				.filter(b => b.remote); // Has an associated remote
		const expectedRemoteBranch = `${remoteName}/${baseRef}`;
		const alternateNames = new Set<string>([
			expectedRemoteBranch,
			`refs/remotes/${expectedRemoteBranch}`,
			baseRef
		]);
		const hasRemoteBranch = remoteBranches.some(branch => {
			if (!branch.name) {
				return false;
			}
			if (branch.remote && branch.remote !== remoteName) {

View on GitHub (pinned to a94b963a32)

When it happens

Trigger: Thrown at extensions/copilot/src/extension/chatSessions/vscode-node/copilotCloudGitOperationsManager.ts:69 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/vscode@a94b963a32 (2026-08-12). Data as JSON: /api/errors/167323303b734c4c. Report an issue: GitHub.