feat: switched devshell to utilize devshell

flake.lock

@@ -91,6 +91,29 @@
         "type": "github"
       }
     },
+    "devshell": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "systems": [
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1683635384,
+        "narHash": "sha256-9goJTd05yOyD/McaMqZ4BUB8JW+mZMnZQJZ7VQ6C/Lw=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "5143ea68647c4cf5227e4ad2100db6671fc4c369",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -125,7 +148,9 @@
     },
     "flake-utils": {
       "inputs": {
-        "systems": "systems"
+        "systems": [
+          "systems"
+        ]
       },
       "locked": {
         "lastModified": 1681202837,
@@ -304,12 +329,14 @@
         "agenix": "agenix",
         "agenix-rekey": "agenix-rekey",
         "colmena": "colmena",
+        "devshell": "devshell",
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "hyprland": "hyprland",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks",
+        "systems": "systems",
         "templates": "templates"
       }
     },

flake.nix

@@ -4,6 +4,9 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
+    # to prevent multiple instances of systems
+    systems.url = "github:nix-systems/default";
+
     home-manager = {
       url = "github:nix-community/home-manager";
       # should use system nixpkgs instead of their own
@@ -22,7 +25,10 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    flake-utils.url = "github:numtide/flake-utils";
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs.systems.follows = "systems";
+    };
 
     pre-commit-hooks = {
       url = "github:cachix/pre-commit-hooks.nix";
@@ -47,6 +53,13 @@
       url = "github:hyprwm/Hyprland";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    devshell = {
+      url = "github:numtide/devshell";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.systems.follows = "systems";
+      inputs.flake-utils.follows = "flake-utils";
+    };
   };
 
   outputs = {
@@ -55,6 +68,7 @@
     flake-utils,
     colmena,
     agenix-rekey,
+    devshell,
     ...
   } @ inputs:
     {
@@ -86,7 +100,7 @@
       };
       apps = agenix-rekey.defineApps self pkgs self.nodes;
       checks = import ./nix/checks.nix inputs system;
-      devShells.default = import ./nix/dev-shell.nix inputs system;
+      devShell = import ./nix/dev-shell.nix inputs system;
       formatter = pkgs.alejandra;
     });
 }

nix/dev-shell.nix

@@ -1,12 +1,18 @@
 {
   self,
+  nixpkgs,
   colmena,
+  devshell,
   ...
-}: system:
-with self.pkgs.${system};
-  mkShell {
+}: system: let
+  pkgs = import nixpkgs {
+    inherit system;
+    overlays = [devshell.overlays.default];
+  };
+in
+  pkgs.devshell.mkShell {
     name = "nix-config";
-    packages = [
+    packages = with pkgs; [
       # Nix
       cachix
       colmena.packages.${system}.colmena
@@ -26,7 +32,5 @@ with self.pkgs.${system};
       rage
     ];
 
-    shellHook = ''
-      ${self.checks.${system}.pre-commit-check.shellHook}
-    '';
+    devshell.startup.pre-commit.text = self.checks.${system}.pre-commit-check.shellHook;
   }