emacs with prisma and treesitter

flake.lock

@@ -16,6 +16,28 @@
         "type": "gitlab"
       }
     },
+    "emacs-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1692125006,
+        "narHash": "sha256-D3UuE9aiKBFmNuzRfZLmNUlwujXDFeD8/ZSSaNwAuAs=",
+        "owner": "nix-community",
+        "repo": "emacs-overlay",
+        "rev": "ff4dba8979ddc3bfa40867d4f256cc7f0e635d75",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "emacs-overlay",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -32,6 +54,24 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -97,6 +137,22 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1692025715,
+        "narHash": "sha256-tsRiiopGT7HA8d/cuk5xYBRXgdnnvD+JhUGUe3x7vmY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "09a137528c3aea3780720d19f99cd706f52c3823",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1670751203,
@@ -114,6 +170,7 @@
     },
     "root": {
       "inputs": {
+        "emacs-overlay": "emacs-overlay",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
         "simple-nixos-mailserver": "simple-nixos-mailserver"
@@ -142,6 +199,21 @@
         "type": "gitlab"
       }
     },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "utils": {
       "locked": {
         "lastModified": 1605370193,

flake.nix

@@ -7,29 +7,37 @@
     };
     simple-nixos-mailserver.url =
       "gitlab:simple-nixos-mailserver/nixos-mailserver";
+    emacs-overlay = {
+      url = "github:nix-community/emacs-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { self, nixpkgs, home-manager, simple-nixos-mailserver, ... }: {
-    nixosConfigurations = {
-      laptop = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = [ ./sys/laptop ];
+  outputs = { self, nixpkgs, home-manager, simple-nixos-mailserver
+    , emacs-overlay, ... }: {
+      nixosConfigurations = {
+        laptop = nixpkgs.lib.nixosSystem {
+          system = "x86_64-linux";
+          modules = [ ./sys/laptop ];
+        };
+        mailserver = nixpkgs.lib.nixosSystem {
+          system = "x86_64-linux";
+          modules = [
+            (nixpkgs
+              + "/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix")
+            ./sys/mailserver
+            simple-nixos-mailserver.nixosModule
+          ];
+        };
       };
-      mailserver = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = [
-          (nixpkgs
-            + "/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix")
-          ./sys/mailserver
-          simple-nixos-mailserver.nixosModule
-        ];
+      homeConfigurations = {
+        ivand = home-manager.lib.homeManagerConfiguration {
+          modules = [ ./home/laptop ];
+          pkgs = import nixpkgs {
+            system = "x86_64-linux";
+            overlays = [ emacs-overlay.overlay ];
+          };
+        };
       };
     };
-    homeConfigurations = {
-      ivand = home-manager.lib.homeManagerConfiguration {
-        modules = [ ./home/laptop ];
-        pkgs = import nixpkgs { system = "x86_64-linux"; };
-      };
-    };
-  };
 }

home/laptop/programs/emacs/default.nix

@@ -10,6 +10,18 @@
 
   programs.emacs = {
     enable = true;
-    package = pkgs.emacs29-pgtk;
+    package = with pkgs;
+      (emacsPackagesFor emacs-unstable).emacsWithPackages (epkgs:
+        with epkgs; [
+          treesit-grammars.with-all-grammars
+          treesit-auto
+          prisma-mode
+        ]);
+    extraConfig = ''
+      (use-package treesit-auto
+        :config
+        (global-treesit-auto-mode))
+      (use-package prisma-mode)
+    '';
   };
 }