Update spotify with overrideAttrs

main/packages.nix

@@ -176,6 +176,7 @@
         # gnome
         gnome3.gnome-tweaks
         gnomeExtensions.appindicator
+        networkmanager-openvpn
 
         # overlays
         lpass

overlays/default.nix

@@ -5,4 +5,30 @@ final: prev: {
   srv = prev.callPackage ./srv { };
   vpngate = prev.callPackage ./vpngate { };
 
+  spotify-unwrapped =
+    # Get latest edge: 
+    # curl -H 'X-Ubuntu-Series: 16' 'https://api.snapcraft.io/api/v1/snaps/details/spotify?channel=edge' | jq '.download_url,.version,.last_updated'
+    prev.spotify-unwrapped.overrideAttrs (oldAttrs: {
+      version = "1.1.52.687.gf5565fe5";
+      src = prev.fetchurl {
+        url =
+          "https://api.snapcraft.io/api/v1/snaps/download/pOBIoZ2LrCB3rDohMxoYGnbN14EHOgD7_44.snap";
+        sha512 =
+          "sha512-HIN8n25n4gSlsZQBGr9N+qaIxhN3xh8+2AttTzeAT1DQTVDIhAZ4UclGDURpYVpY1zuCJPvHG7knUkJ4hukXGQ==";
+      };
+      unpackPhase = ''
+        runHook preUnpack
+        unsquashfs "$src" '/usr/share/spotify' '/usr/bin/spotify' '/meta/snap.yaml'
+        cd squashfs-root
+        if ! grep -q '${final.spotify-unwrapped.version}' meta/snap.yaml; then
+          echo "Package version differs from version found in snap metadata:"
+          grep 'version: ' meta/snap.yaml
+          echo "While the nix package specifies: ${final.spotify-unwrapped.version}."
+          echo "You probably chose the wrong revision or forgot to update the nix version."
+          exit 1
+        fi
+        runHook postUnpack
+      '';
+    });
+
 }