flake.lock

 {
   "nodes": {
     "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1678901627,
-        "narHash": "sha256-U02riOqrKKzwjsxc/400XnElV+UtPUQWpANPlyazjH0=",
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "93a2b84fc4b70d9e089d029deacc3583435c2ed6",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
         "type": "github"
       },
       "original": {
@@ -19,35 +22,35 @@
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
-        ],
-        "utils": "utils"
+        ]
       },
       "locked": {
-        "lastModified": 1679265143,
-        "narHash": "sha256-5RDMW+O4owjdPz7t4K4YxH2fOHCNOcyVmSiKRUikiv0=",
+        "lastModified": 1694465129,
+        "narHash": "sha256-8BQiuobMrCfCbGM7w6Snx+OBYdtTIm0+cGVaKwQ5BFg=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "1b8bf5c3270386a1b6850bd77d79dbdbaf0d7a7c",
+        "rev": "9787dffff5d315c9593d3f9fb0f9bf2097e1b57b",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
+        "ref": "release-23.05",
         "repo": "home-manager",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1679224734,
-        "narHash": "sha256-1Ab3xY7Wgo1h1TNwRt6fp2XjV+KUo+hP1Bolh0KiDJs=",
+        "lastModified": 1694499547,
+        "narHash": "sha256-R7xMz1Iia6JthWRHDn36s/E248WB1/je62ovC/dUVKI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "eac7da7b519a5aefe92c33c90b4450a24ebe0ab3",
+        "rev": "e5f018cf150e29aac26c61dac0790ea023c46b24",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.11",
+        "ref": "nixos-23.05",
         "type": "indirect"
       }
     },
@@ -58,18 +61,18 @@
         "nixpkgs": "nixpkgs"
       }
     },
-    "utils": {
+    "systems": {
       "locked": {
-        "lastModified": 1676283394,
-        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
+        "owner": "nix-systems",
+        "repo": "default",
         "type": "github"
       }
     }

flake.nix

 {
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-22.11";
+    nixpkgs.url = "nixpkgs/nixos-23.05";
     flake-utils.url = "github:numtide/flake-utils";
     home-manager = {
-      url = "github:nix-community/home-manager";
+      url = "github:nix-community/home-manager/release-23.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };

src/lua/config/barbar.lua

@@ -2,6 +2,6 @@ return function()
   local bufferline = require('bufferline')
 
   bufferline.setup {
-    icons = true,
+    icons = { filetype = { enabled = true } },
   }
 end