{ pkgs, lib, linkFarm, writeText, ... }: let inherit (builtins) split elemAt fetchurl toJSON hashString baseNameOf; inherit (lib) flatten mapAttrsToList importJSON; inherit (lib.strings) sanitizeDerivationName; # https://deno.land/std@0.118.0/fmt/colors.ts # # 0. "https" # 1. "deno.land" # 2. "/std@0.118.0/fmt/colors.ts" urlPart = url: elemAt (flatten (split "://([a-z0-9\.]*)" url)); # https://deno.land/std@0.118.0/fmt/colors.ts # # https/deno.land/ artifactPath = url: let up = urlPart url; in "${up 0}/${up 1}/${hashString "sha256" (up 2)}"; in { mkDepsLink = lockfile: ( linkFarm "deps" (flatten ( mapAttrsToList ( url: sha256: let in [ { name = artifactPath url; path = fetchurl { inherit url sha256; name = sanitizeDerivationName (baseNameOf url); }; } { name = artifactPath url + ".metadata.json"; path = writeText "metadata.json" (toJSON { inherit url; headers = {}; }); } ] ) (importJSON lockfile).remote )) ); }