diff --git a/flake.lock b/flake.lock
index 34f28ec..8b39c83 100644
--- a/flake.lock
+++ b/flake.lock
@@ -26,7 +26,9 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "systems": "systems"
+        "systems": [
+          "systems"
+        ]
       },
       "locked": {
         "lastModified": 1694435990,
@@ -42,6 +44,38 @@
         "type": "github"
       }
     },
+    "eza": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "naersk": [
+          "naersk"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-overlay": [
+          "rust-overlay"
+        ],
+        "treefmt-nix": [
+          "treefmt-nix"
+        ]
+      },
+      "locked": {
+        "lastModified": 1695708797,
+        "narHash": "sha256-XTlIx8Qmp9g2yOm+uONwUWYgeaxCY8xOVKqdcec0Z2w=",
+        "owner": "eza-community",
+        "repo": "eza",
+        "rev": "cdf22c57c58c234257176c3a0ec0d6423b787716",
+        "type": "github"
+      },
+      "original": {
+        "owner": "eza-community",
+        "repo": "eza",
+        "type": "github"
+      }
+    },
     "flake-registry": {
       "flake": false,
       "locked": {
@@ -60,7 +94,9 @@
     },
     "flake-utils": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": [
+          "systems"
+        ]
       },
       "locked": {
         "lastModified": 1694529238,
@@ -142,7 +178,9 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "rust-overlay": "rust-overlay"
+        "rust-overlay": [
+          "rust-overlay"
+        ]
       },
       "locked": {
         "lastModified": 1695053459,
@@ -158,6 +196,26 @@
         "type": "github"
       }
     },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1694081375,
+        "narHash": "sha256-vzJXOUnmkMCm3xw8yfPP5m8kypQ3BhAIRe4RRCWpzy8=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "3f976d822b7b37fc6fb8e6f157c2dd05e7e94e89",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixlib": {
       "locked": {
         "lastModified": 1693701915,
@@ -254,34 +312,37 @@
       "inputs": {
         "agenix": "agenix",
         "devshell": "devshell",
+        "eza": "eza",
         "flake-registry": "flake-registry",
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "homePage": "homePage",
         "jujutsu": "jujutsu",
+        "naersk": "naersk",
         "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
-        "recipemd": "recipemd"
+        "recipemd": "recipemd",
+        "rust-overlay": "rust-overlay",
+        "systems": "systems",
+        "treefmt-nix": "treefmt-nix"
       }
     },
     "rust-overlay": {
       "inputs": {
         "flake-utils": [
-          "jujutsu",
           "flake-utils"
         ],
         "nixpkgs": [
-          "jujutsu",
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1691719735,
-        "narHash": "sha256-GhPn5EIhGt7aFwgC6RELZJC7mUIol9O0k7Dsf2Hu0AM=",
+        "lastModified": 1695694299,
+        "narHash": "sha256-0CucEiOZzOVHwmGDJKNXLj7aDYOqbRtqChp9nbGrh18=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "ac9d8b2e9acc153145e6fa3c78f9ba458ae517bf",
+        "rev": "c89a55d2d91cf55234466934b25deeffa365188a",
         "type": "github"
       },
       "original": {
@@ -305,18 +366,23 @@
         "type": "github"
       }
     },
-    "systems_2": {
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
       "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "lastModified": 1695290086,
+        "narHash": "sha256-ol6licpIAzc9oMsEai/9YZhgSMcrnlnD/3ulMLGNKL0=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "e951529be2e7c669487de78f5aef8597bbae5fca",
         "type": "github"
       },
       "original": {
-        "owner": "nix-systems",
-        "repo": "default",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
         "type": "github"
       }
     }
diff --git a/flake.nix b/flake.nix
index 070c654..038f146 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,10 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
-    flake-utils.url = "github:numtide/flake-utils";
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs.systems.follows = "systems";
+    };
     home-manager = {
       url = "github:nix-community/home-manager/release-23.05";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -25,6 +28,7 @@
     devshell = {
       url = "github:numtide/devshell";
       inputs.nixpkgs.follows = "nixpkgs";
+      inputs.systems.follows = "systems";
     };
     nixos-generators = {
       url = "github:nix-community/nixos-generators";
@@ -34,10 +38,33 @@
       url = "github:NixOS/flake-registry";
       flake = false;
     };
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-utils.follows = "flake-utils";
+    };
+    naersk = {
+      url = "github:nix-community/naersk";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    eza = {
+      url = "github:eza-community/eza";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-utils.follows = "flake-utils";
+      inputs.rust-overlay.follows = "rust-overlay";
+      inputs.naersk.follows = "naersk";
+      inputs.treefmt-nix.follows = "treefmt-nix";
+    };
     jujutsu = {
       url = "github:martinvonz/jj";
       inputs.nixpkgs.follows = "nixpkgs";
       inputs.flake-utils.follows = "flake-utils";
+      inputs.rust-overlay.follows = "rust-overlay";
+    };
+    systems.url = "github:nix-systems/default";
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
diff --git a/nixos/configurations.nix b/nixos/configurations.nix
index d88868c..1e1fa1e 100644
--- a/nixos/configurations.nix
+++ b/nixos/configurations.nix
@@ -1,5 +1,6 @@
 { self
 , agenix
+, eza
 , nixpkgs
 , home-manager
 , homePage
@@ -10,6 +11,7 @@
 let
   more-packages = system: {
     more-packages = final: prev: {
+      exa = inputs.eza.packages.${system}.default;
       recipemd = inputs.recipemd.packages.${system}.recipemd;
       jujutsu = inputs.jujutsu.packages.${system}.jujutsu;
     };
diff --git a/outputs.nix b/outputs.nix
index 94979f0..4783575 100644
--- a/outputs.nix
+++ b/outputs.nix
@@ -10,6 +10,7 @@
 , agenix
 , devshell
 , jujutsu
+, eza
 , ...
 } @ inputs:
 (flake-utils.lib.eachDefaultSystem (system: