overlays/atuin.nix

@@ -0,0 +1,43 @@
+final: prev:
+let
+  rustLatest = prev.rust-bin.stable.latest.default;
+  rustPlatform = prev.makeRustPlatform {
+    cargo = rustLatest;
+    rustc = rustLatest;
+  };
+in
+{
+  atuinLatest = (prev.atuin.override { inherit rustPlatform; }).overrideAttrs (oldAttrs: rec {
+    version = "18.19.0";
+
+    src = prev.fetchFromGitHub {
+      owner = "atuinsh";
+      repo = "atuin";
+      rev = "v${version}";
+      hash = "sha256-yAw+ty6FUnFbiRTdAe2QQHzj6uU24fZ/bEIXcHl/thg=";
+    };
+
+    cargoDeps = rustPlatform.fetchCargoVendor {
+      inherit src;
+      hash = "sha256-jirVe0+N5+UHZWioj8AipUhawMBameqEJJpa8HPTnfw=";
+    };
+
+    cargoBuildFeatures = [
+      "ai"
+      "client"
+      "clipboard"
+      "daemon"
+      "hex"
+      "sync"
+    ];
+    cargoCheckFeatures = cargoBuildFeatures;
+
+    preCheck = (oldAttrs.preCheck or "") + ''
+      export HOME="$TMPDIR"
+      export XDG_CONFIG_HOME="$TMPDIR/.config"
+      export XDG_DATA_HOME="$TMPDIR/.local/share"
+      export XDG_STATE_HOME="$TMPDIR/.local/state"
+      mkdir -p "$XDG_CONFIG_HOME" "$XDG_DATA_HOME" "$XDG_STATE_HOME"
+    '';
+  });
+}

overlays/container.nix

@@ -0,0 +1,10 @@
+final: prev: {
+  containerLatest = prev.container.overrideAttrs (oldAttrs: rec {
+    version = "1.3.1";
+
+    src = prev.fetchurl {
+      url = "https://github.com/apple/container/releases/download/${version}/container-${version}-installer-signed.pkg";
+      hash = "sha256-p8G515J9MIdfL2x70dDLBsLapspXzp6QpRROiY/fVKg=";
+    };
+  });
+}

overlays/default.nix

@@ -1,43 +1,5 @@
 final: prev:
-let
-  rustLatest = prev.rust-bin.stable.latest.default;
-  rustPlatform = prev.makeRustPlatform {
-    cargo = rustLatest;
-    rustc = rustLatest;
-  };
-in
-{
-  atuinLatest = (prev.atuin.override { inherit rustPlatform; }).overrideAttrs (oldAttrs: rec {
-    version = "18.19.0";
-
-    src = prev.fetchFromGitHub {
-      owner = "atuinsh";
-      repo = "atuin";
-      rev = "v${version}";
-      hash = "sha256-yAw+ty6FUnFbiRTdAe2QQHzj6uU24fZ/bEIXcHl/thg=";
-    };
-
-    cargoDeps = rustPlatform.fetchCargoVendor {
-      inherit src;
-      hash = "sha256-jirVe0+N5+UHZWioj8AipUhawMBameqEJJpa8HPTnfw=";
-    };
-
-    cargoBuildFeatures = [
-      "ai"
-      "client"
-      "clipboard"
-      "daemon"
-      "hex"
-      "sync"
-    ];
-    cargoCheckFeatures = cargoBuildFeatures;
-
-    preCheck = (oldAttrs.preCheck or "") + ''
-      export HOME="$TMPDIR"
-      export XDG_CONFIG_HOME="$TMPDIR/.config"
-      export XDG_DATA_HOME="$TMPDIR/.local/share"
-      export XDG_STATE_HOME="$TMPDIR/.local/state"
-      mkdir -p "$XDG_CONFIG_HOME" "$XDG_DATA_HOME" "$XDG_STATE_HOME"
-    '';
-  });
-}
+prev.lib.composeManyExtensions [
+  (import ./atuin.nix)
+  (import ./container.nix)
+] final prev

pkgs/default.nix

@@ -4,7 +4,10 @@
   caitsith ? null
 }:
 {
+  # any overlays we define here
   atuinLatest = pkgs.atuinLatest;
+  containerLatest = pkgs.containerLatest;
+
   # any packages that are added to pkgs and are inputs, we inherit them here
   inherit hildibrand;
   inherit caitsith;