[Backport 2.28-maintenance] Don't crash on flakerefs containing newlines#14494

internal-nix-ci[bot] merged 1 commit into2.28-maintenanceNixOS/nix:2.28-maintenancefrom

backport-14491-to-2.28-maintenanceNixOS/nix:backport-14491-to-2.28-maintenanceCopy head branch name to clipboard