%.result: %.urls Statistics
	grep -E '^http://' $< | ./Statistics > $@

Statistics: Statistics.hs stack.yaml
	stack build https-everywhere-rules
	stack build foldl
	stack exec -- ghc $< -o $@

arch-extra.urls: arch-extra extract-sources.sh
	find $< -name PKGBUILD | ./extract-sources.sh | grep -E '^https?://' | tee $@

mirrors.json: nixpkgs
	nix-instantiate --eval --json --strict -E 'import ./$</pkgs/build-support/fetchurl/mirrors.nix' | tee $@

expand-mirrors.py: mirrors.json

nixpkgs.urls: nixpkgs expand-mirrors.py
	nix-instantiate --eval --json --strict -E '(let pkgs = import ./$< { config.allowBroken = true; config.allowUnfree = true; }; in with pkgs.lib; flatten (mapAttrsToList (_: v: (builtins.tryEval v.src.url or []).value) pkgs))' | jq -r .[] | ./expand-mirrors.py | grep -E '^https?://' | tee $@

arch-extra:
	git clone https://git.archlinux.org/svntogit/packages.git $@

nixpkgs:
	git clone https://github.com/nixos/nixpkgs