chore: make zims separate packages

pkgs/default.nix

@@ -1,36 +1,37 @@
 {
   pkgs,
   system ? pkgs.stdenv.hostPlatform.system,
+  top,
   ...
 }:
 
 let
-  c = pkgs.callPackage;
+  c = pkgs.newScope packages;
+  packages = if system == "x86_64-linux" then (allSys // x86Linux) else allSys;
+  allSys = {
+    #default = iso;
+    #iso = top.self.nixosConfigurations.iso.config.system.build.isoImage;
+    #iso-beta = self.nixosConfigurations.iso-beta.config.system.build.isoImage;
+    aacs = c ./aacs.nix { };
+    adblock_update = c ./adblock_update.nix { };
+    brew = c ./homebrew.nix { };
+    create_ssl = c ./create_ssl.nix { };
+    gcc-tune = c ./gcc-tune.nix { };
+    #gen-build = c ./gen-build { };
+    hms = c ./hms { };
+    inject-darwin = c ./inject-darwin.nix { };
+    inject = c ./inject.nix { };
+    setup-ssh = c ./setup-ssh { };
+    upgrade-pg-cluster = c ./upgrade-pg-cluster.nix { };
+  };
+  x86Linux = {
+    qemu-hook = c ./qemu-hook.nix { };
+    vfio_startup = c ./vfio_startup.nix { };
+    vfio_shutdown = c ./vfio_shutdown.nix { };
+  }
+  // (import ./zim {
+    inherit (top.nixpkgs-lib) lib;
+    inherit pkgs;
+  });
 in
-{
-  #default = iso;
-  #iso = top.self.nixosConfigurations.iso.config.system.build.isoImage;
-  #iso-beta = self.nixosConfigurations.iso-beta.config.system.build.isoImage;
-  aacs = c ./aacs.nix { };
-  adblock_update = c ./adblock_update.nix { };
-  brew = c ./homebrew.nix { };
-  create_ssl = c ./create_ssl.nix { };
-  gcc-tune = c ./gcc-tune.nix { };
-  #gen-build = c ./gen-build { };
-  hms = c ./hms { };
-  inject-darwin = c ./inject-darwin.nix { };
-  inject = c ./inject.nix { };
-  setup-ssh = c ./setup-ssh { };
-  upgrade-pg-cluster = c ./upgrade-pg-cluster.nix { };
-}
-// (
-  if system == "x86_64-linux" then
-    {
-      qemu-hook = c ./qemu-hook.nix { };
-      vfio_startup = c ./vfio_startup.nix { };
-      vfio_shutdown = c ./vfio_shutdown.nix { };
-      zim = c ./zim.nix { };
-    }
-  else
-    { }
-)
+packages

pkgs/zim/blobs.json

@@ -1,71 +1,87 @@
 {
   "en": {
     "gutenberg": {
-      "name": "gutenberg_en_all_2023-08.zim",
+      "name": "gutenberg_en_all",
+      "version": "2023-08",
       "hash": "sha256-wWi0vTyMD/Es0w/jk9uyg4DN94080thPfT5uphEqbUc="
     },
     "phet": {
-      "name": "phet_en_all_2025-03.zim",
+      "name": "phet_en_all",
+      "version": "2025-03",
       "hash": "sha256-HT/gVNydkOitny6oUl2A+JvbFDGAIeb0h+xbMeQ2Rqs="
     },
     "wikibooks": {
-      "name": "wikibooks_en_all_maxi_2025-10.zim",
+      "name": "wikibooks_en_all_maxi",
+      "version": "2025-10",
       "hash": "sha256-zmcvrvGO+LEHt7x8/SoguBDODUyRXy9x5LUGAkS+fF8="
     },
     "wikipedia": {
-      "name": "wikipedia_en_all_maxi_2025-08.zim",
+      "name": "wikipedia_en_all_maxi",
+      "version": "2025-08",
       "hash": "sha256-r7Cd0vjEb84Ftw+EwZSlqb8qhqm8WA3LAPdHAav7wrg="
     },
     "wikisource": {
-      "name": "wikisource_en_all_maxi_2025-11.zim",
+      "name": "wikisource_en_all_maxi",
+      "version": "2025-11",
       "hash": "sha256-jPHh/C20PARN6K7aPNw3k9fFHhpwzsREi/1o1DIISS4="
     },
     "wikiversity": {
-      "name": "wikiversity_en_all_maxi_2025-11.zim",
+      "name": "wikiversity_en_all_maxi",
+      "version": "2025-11",
       "hash": "sha256-0DaE2EUdHvaX3XqD3f0lwurSAaDZ4hEKtrMEutL5xt0="
     },
     "wiktionary": {
-      "name": "wiktionary_en_all_nopic_2025-09.zim",
+      "name": "wiktionary_en_all_nopic",
+      "version": "2025-09",
       "hash": "sha256-EzrrruJQWY/3pP93WCTeCCfaPvpshqdkR0TFxVz7bEI="
     }
   },
   "fr": {
     "gutenberg": {
-      "name": "gutenberg_fr_all_2025-10.zim",
+      "name": "gutenberg_fr_all",
+      "version": "2025-10",
       "hash": "sha256-1gU7v//LYX/2LyIRjO02A1fWPQz9Y7Qt5ftgeazd3G8="
     },
     "phet": {
-      "name": "phet_fr_all_2025-03.zim",
+      "name": "phet_fr_all",
+      "version": "2025-03",
       "hash": "sha256-K56i55WPu5EMQHIrnnqhgJ32WozZ6oYD9X3IBytGA0A="
     },
     "wikibooks": {
-      "name": "wikibooks_fr_all_maxi_2025-09.zim",
+      "name": "wikibooks_fr_all_maxi",
+      "version": "2025-09",
       "hash": "sha256-PQSdPbBHwK3IfFPH5GsKaxkNGTlZVJNJEI8gNioBl1U="
     },
     "wikipedia": {
-      "name": "wikipedia_fr_all_maxi_2025-06.zim",
+      "name": "wikipedia_fr_all_maxi",
+      "version": "2025-06",
       "hash": "sha256-zzDhITMd1nRMYTUlvn56l4VBnpFuhiNrhhYMcrrBuOQ="
     },
     "wikisource": {
-      "name": "wikisource_fr_all_maxi_2025-09.zim",
+      "name": "wikisource_fr_all_maxi",
+      "version": "2025-09",
       "hash": "sha256-2gEY5nTBecrmg61VJerxO4/oV7dZJmRgzLkqrcocW/0="
     },
     "wikiversity": {
-      "name": "wikiversity_fr_all_maxi_2025-09.zim",
+      "name": "wikiversity_fr_all_maxi",
+      "version": "2025-09",
       "hash": "sha256-4vOxYiX3TYht7ARY+PeCJ0ArVZZn9TeGtwCieqn3xUw="
     },
     "wiktionary": {
-      "name": "wiktionary_fr_all_nopic_2025-11.zim",
+      "name": "wiktionary_fr_all_nopic",
+      "version": "2025-11",
       "hash": "sha256-oQS8DzKioceCER1p1oAvaS1gRooMLJLYnCqy1aLARi4="
     }
   },
   "ht": {
     "phet": {
-      "name": "phet_ht_all_2025-03.zim",
-      "hash": "sha256-UjC0REJ5d5wIKccutZADX74IxvZuF+CD/caVzZfHg9s="
+      "name": "phet_ht_all",
+      "version": "2025-03",
+      "hash": "sha256-bHrPzE8H7ptrP6r5wPlXSsXNlTiKxJ9KatABC4kwx+s="
     },
     "wikipedia": {
-      "name": "wikipedia_ht_all_maxi_2025-09.zim",
+      "name": "wikipedia_ht_all_maxi",
+      "version": "2025-09",
       "hash": "sha256-spT7EFXLnI0FWT9Vlvp7QEP0urntmQ2C+fQB5bVLoLE="
     }
   }

pkgs/zim/default.nix

@@ -0,0 +1,24 @@
+{ pkgs, lib, ... }:
+let
+  zimMetadata = builtins.fromJSON (builtins.readFile ./blobs.json);
+  oneZim =
+    sourceType: info:
+    pkgs.callPackage ./one_zim.nix {
+      inherit sourceType;
+      sourceName = info.name;
+      sourceHash = info.hash;
+      sourceVersion = info.version;
+    };
+  # Preserves structure in the blobs.json file, turning leaves into drvs
+  zimFileDrvs = builtins.mapAttrs (
+    _language: types: (builtins.mapAttrs (sourceType: info: oneZim sourceType info) types)
+  ) zimMetadata;
+  # Flattens leaf drvs into the structure that flake packages expects
+  zimFilePkgs = builtins.listToAttrs (
+    lib.mapAttrsToListRecursiveCond (_path: x: !(x ? "name")) (_path: drv: {
+      inherit (drv) name;
+      value = drv;
+    }) zimFileDrvs
+  );
+in
+zimFilePkgs

pkgs/zim/one_zim.nix

@@ -0,0 +1,32 @@
+{
+  sourceType,
+  sourceName,
+  sourceVersion,
+  sourceHash,
+
+  fetchurl,
+  stdenvNoCC,
+}:
+
+stdenvNoCC.mkDerivation (finalAttrs: {
+  name = "zim-${sourceType}-${sourceName}.zim";
+  version = sourceVersion;
+
+  src = (
+    fetchurl {
+      url = "https://download.kiwix.org/zim/${sourceType}/${sourceName}_${sourceVersion}.zim";
+      hash = sourceHash;
+    }
+    # fetchtorrent {
+    #   inherit (val) hash;
+    #   url = "https://download.kiwix.org/zim/${type}/${val.name}.torrent";
+    #   backend = "transmission";
+    #   postUnpack = "mkdir -p $downloadedDirectory/tmp; mv $downloadedDirectory/*.zim $downloadedDirectory/tmp";
+    # }
+  );
+  phases = [ "installPhase" ];
+  installPhase = ''
+    set -x
+    ln -s ${finalAttrs.src} $out
+  '';
+})