diff --git a/nix/packages/default.nix b/nix/packages/default.nix
index 6261bded..646d5138 100644
--- a/nix/packages/default.nix
+++ b/nix/packages/default.nix
@@ -1,99 +1,3 @@
-{
-  sources ? import ../sources.nix,
-  pkgs ? import sources.nixpkgs {},
-  ...
-}: let
-  inherit (pkgs) lib;
+args:
 
-  mkHaskellPackage = {
-    src,
-    name,
-    apply ? lib.id,
-  }: let
-    drv = pkgs.haskellPackages.callCabal2nix name src {};
-  in
-    lib.pipe drv [
-      apply
-      pkgs.haskell.lib.dontHaddock
-      pkgs.haskell.lib.justStaticExecutables
-    ];
-
-  infuse-lib = import sources.infuse {
-    inherit lib;
-    sugars = infuse-lib.v1.default-sugars;
-  };
-
-  infuse = lib.flip infuse-lib.v1.infuse;
-
-  iosevka-pin = import sources.pin-iosevka {};
-  mkNerdFont = iosevka-pin.callPackage ../lib/mkNerdFont.nix {};
-in rec {
-  # fonts
-  altiosevka = iosevka-pin.callPackage ./altiosevka {};
-  altiosevka-nerd-font-mono = mkNerdFont {
-    font = altiosevka;
-    extraArgs = [
-      "--name {/.}-NFM"
-      "--use-single-width-glyphs"
-    ];
-  };
-  # static version of noto-fonts cjk serif
-  noto-fonts-cjk-serif' = pkgs.callPackage ./noto-fonts-cjk-serif.nix {};
-
-  necrolib = pkgs.callPackage ./necrolib.nix {};
-
-  maeel = pkgs.callPackage ./maeel.nix {};
-  tokei = pkgs.callPackage ./tokei {}; # alpha tokei with typst, skel, hledger
-  typst-mutilate = pkgs.callPackage ./typst-mutilate.nix {};
-  webtoon_downloader = pkgs.callPackage ./webtoon_downloader.nix {};
-
-  xbrightness = pkgs.callPackage ./xbrightness.nix {};
-  ffgun = pkgs.callPackage ./ffgun.nix {};
-  easyscan = pkgs.callPackage ./easyscan.nix {};
-
-  baguette-sharp = pkgs.callPackage ./baguette-sharp.nix {};
-
-  # TODO: remove when channel update
-  ltex-ls-plus = pkgs.callPackage ./ltex-ls-plus.nix {};
-
-  # my repositories
-  hbrainfuck = mkHaskellPackage {
-    name = "hbrainfuck";
-    src = sources.hbrainfuck;
-    apply = infuse {
-      __output.nativeBuildInputs.__append = [pkgs.installShellFiles];
-      __output.postInstall.__append = ''
-        installShellCompletion --cmd hbrainfuck \
-        --bash <("$out/bin/hbrainfuck" --bash-completion-script "$out/bin/hbrainfuck") \
-        --fish <("$out/bin/hbrainfuck" --fish-completion-script "$out/bin/hbrainfuck") \
-        --zsh  <("$out/bin/hbrainfuck" --zsh-completion-script  "$out/bin/hbrainfuck")
-      '';
-    };
-  };
-
-  prop-solveur = mkHaskellPackage {
-    name = "prop-solveur";
-    src = sources.prop_solveur;
-    apply = infuse {
-      __output.nativeBuildInputs.__append = [pkgs.installShellFiles];
-      __output.postInstall.__append = ''
-        installShellCompletion --cmd prop-solveur \
-            --bash <("$out/bin/prop-solveur" --bash-completion-script "$out/bin/prop-solveur") \
-            --fish <("$out/bin/prop-solveur" --fish-completion-script "$out/bin/prop-solveur") \
-            --zsh  <("$out/bin/prop-solveur" --zsh-completion-script  "$out/bin/prop-solveur")
-      '';
-    };
-  };
-
-  hutils = mkHaskellPackage {
-    name = "hutils";
-    src = sources.hutils;
-  };
-
-  audio-lint = pkgs.rustPlatform.buildRustPackage rec {
-    pname = "audio-lint";
-    version = lib.substring 0 8 sources.audio-lint.rev;
-    src = sources.audio-lint;
-    cargoLock.lockFile = "${src}/Cargo.lock";
-  };
-}
+import ./top-level.nix args
diff --git a/nix/packages/top-level.nix b/nix/packages/top-level.nix
new file mode 100644
index 00000000..6261bded
--- /dev/null
+++ b/nix/packages/top-level.nix
@@ -0,0 +1,99 @@
+{
+  sources ? import ../sources.nix,
+  pkgs ? import sources.nixpkgs {},
+  ...
+}: let
+  inherit (pkgs) lib;
+
+  mkHaskellPackage = {
+    src,
+    name,
+    apply ? lib.id,
+  }: let
+    drv = pkgs.haskellPackages.callCabal2nix name src {};
+  in
+    lib.pipe drv [
+      apply
+      pkgs.haskell.lib.dontHaddock
+      pkgs.haskell.lib.justStaticExecutables
+    ];
+
+  infuse-lib = import sources.infuse {
+    inherit lib;
+    sugars = infuse-lib.v1.default-sugars;
+  };
+
+  infuse = lib.flip infuse-lib.v1.infuse;
+
+  iosevka-pin = import sources.pin-iosevka {};
+  mkNerdFont = iosevka-pin.callPackage ../lib/mkNerdFont.nix {};
+in rec {
+  # fonts
+  altiosevka = iosevka-pin.callPackage ./altiosevka {};
+  altiosevka-nerd-font-mono = mkNerdFont {
+    font = altiosevka;
+    extraArgs = [
+      "--name {/.}-NFM"
+      "--use-single-width-glyphs"
+    ];
+  };
+  # static version of noto-fonts cjk serif
+  noto-fonts-cjk-serif' = pkgs.callPackage ./noto-fonts-cjk-serif.nix {};
+
+  necrolib = pkgs.callPackage ./necrolib.nix {};
+
+  maeel = pkgs.callPackage ./maeel.nix {};
+  tokei = pkgs.callPackage ./tokei {}; # alpha tokei with typst, skel, hledger
+  typst-mutilate = pkgs.callPackage ./typst-mutilate.nix {};
+  webtoon_downloader = pkgs.callPackage ./webtoon_downloader.nix {};
+
+  xbrightness = pkgs.callPackage ./xbrightness.nix {};
+  ffgun = pkgs.callPackage ./ffgun.nix {};
+  easyscan = pkgs.callPackage ./easyscan.nix {};
+
+  baguette-sharp = pkgs.callPackage ./baguette-sharp.nix {};
+
+  # TODO: remove when channel update
+  ltex-ls-plus = pkgs.callPackage ./ltex-ls-plus.nix {};
+
+  # my repositories
+  hbrainfuck = mkHaskellPackage {
+    name = "hbrainfuck";
+    src = sources.hbrainfuck;
+    apply = infuse {
+      __output.nativeBuildInputs.__append = [pkgs.installShellFiles];
+      __output.postInstall.__append = ''
+        installShellCompletion --cmd hbrainfuck \
+        --bash <("$out/bin/hbrainfuck" --bash-completion-script "$out/bin/hbrainfuck") \
+        --fish <("$out/bin/hbrainfuck" --fish-completion-script "$out/bin/hbrainfuck") \
+        --zsh  <("$out/bin/hbrainfuck" --zsh-completion-script  "$out/bin/hbrainfuck")
+      '';
+    };
+  };
+
+  prop-solveur = mkHaskellPackage {
+    name = "prop-solveur";
+    src = sources.prop_solveur;
+    apply = infuse {
+      __output.nativeBuildInputs.__append = [pkgs.installShellFiles];
+      __output.postInstall.__append = ''
+        installShellCompletion --cmd prop-solveur \
+            --bash <("$out/bin/prop-solveur" --bash-completion-script "$out/bin/prop-solveur") \
+            --fish <("$out/bin/prop-solveur" --fish-completion-script "$out/bin/prop-solveur") \
+            --zsh  <("$out/bin/prop-solveur" --zsh-completion-script  "$out/bin/prop-solveur")
+      '';
+    };
+  };
+
+  hutils = mkHaskellPackage {
+    name = "hutils";
+    src = sources.hutils;
+  };
+
+  audio-lint = pkgs.rustPlatform.buildRustPackage rec {
+    pname = "audio-lint";
+    version = lib.substring 0 8 sources.audio-lint.rev;
+    src = sources.audio-lint;
+    cargoLock.lockFile = "${src}/Cargo.lock";
+  };
+}