petalius: add neovim nightly

flake.lock

@@ -1,5 +1,43 @@
 {
   "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1610051610,
+        "narHash": "sha256-U9rPz/usA1/Aohhk7Cmc2gBrEEKRzcW4nwPWMPwja4Y=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3982c9903e93927c2164caa727cd3f6a0e6d14cc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "neovim-flake": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "dir": "contrib",
+        "lastModified": 1621700283,
+        "narHash": "sha256-jU1SPAm9W86RcQ89MASKKA9K8wvVV+pkxX9X0RH0I+w=",
+        "owner": "neovim",
+        "repo": "neovim",
+        "rev": "5b2be75256b638275900be0b36ee02ef1730f999",
+        "type": "github"
+      },
+      "original": {
+        "dir": "contrib",
+        "owner": "neovim",
+        "repo": "neovim",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1621552131,
@@ -10,12 +48,15 @@
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
+        "owner": "nixos",
-        "type": "indirect"
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "root": {
       "inputs": {
+        "neovim-flake": "neovim-flake",
         "nixpkgs": "nixpkgs"
       }
     }

flake.nix

@@ -1,8 +1,18 @@
 {
-  outputs = { self, nixpkgs }: {
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+    neovim-flake.url = "github:neovim/neovim?dir=contrib";
+    neovim-flake.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, neovim-flake, ... }:
+  let
+    neovimOverlay = { pkgs, ... }: { nixpkgs.overlays = [ neovim-flake.overlay ]; };
+  in {
     nixosConfigurations.petalius = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
-       modules = [ ./petalius.nix ];
+      modules = [ ./petalius.nix neovimOverlay ];
     };
   };
 }