···11-{ pkgs }:
22-pkgs.writers.writeDashBin "nix-index-update" ''
33- set -efux
44- filename="index-$(uname -m)-$(uname | tr A-Z a-z)"
55- mkdir -p ~/.cache/nix-index && cd ~/.cache/nix-index
66- # -N will only download a new version if there is an update.
77- ${pkgs.wget}/bin/wget -q -N https://github.com/Mic92/nix-index-database/releases/latest/download/$filename
88- ln -f $filename files
99-''