Method resolveFreshWorkspaceSourceBase

src/node/runtime/SSHRuntime.ts:1573–1593

(
    baseRepoPathArg: string,
    trunkBranch: string,
    fetchedOrigin: boolean,
    fallbackRef: string | null,
    initLogger: InitLogger,
    abortSignal?: AbortSignal
  )

  }

  private async resolveFreshWorkspaceSourceBase(
    baseRepoPathArg: string,
    trunkBranch: string,
    fetchedOrigin: boolean,
    fallbackRef: string | null,
    initLogger: InitLogger,
    abortSignal?: AbortSignal
  ): Promise<string> {
    if (
      fetchedOrigin &&
      (await this.remoteTrackingBranchExists(baseRepoPathArg, trunkBranch, abortSignal))
    ) {
      return `origin/${trunkBranch}`;
    }

    const fallbackBase = fallbackRef ?? "HEAD";
    initLogger.logStderr(
      `Note: origin/${trunkBranch} was not available on the remote host; using local snapshot ${fallbackBase}`
    );
    return fallbackBase;
  }

  private async resolveLocalSyncRefManifest(projectPath: string): Promise<string | null> {
    try {