Add commit.gpgsign = true to git config

Run `man nix.conf` for more information on the `substituters` configuration option.
Run `man nix.conf` for more information on the `substituters` configuration option.
unpacking 'https://flakehub.com/f/DeterminateSystems/determinate/%2A' into the Git cache...
unpacking 'github:NixOS/nixpkgs/f9a7fdd6101319fb1220d0905909aea54e5d8999' into the Git cache...
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/09eb77e94fa25202af8f3e81ddc7353d9970ac1b?narHash=sha256-mSD5Ob7a%2BT2RNjvPvOA1dkJHGVrNVl8ZOrAwBjKBDQo%3D' (2025-12-09)
  → 'github:NixOS/nixpkgs/28bb483c11a1214a73f9fd2d9928a6e2ea86ec71?narHash=sha256-9Wx53UK0z8Di5iesJID0tS1dRKwGxI4i7tsSanOHhF0%3D' (2025-12-13)
• Updated input 'nixpkgs-master':
    'github:NixOS/nixpkgs/2e0977107afca75db2966c059105370da3c71da5?narHash=sha256-FHgcKgFONNW2epilU72fWou1D/P%2BDgRSDvswAlua9tg%3D' (2025-12-13)
  → 'github:NixOS/nixpkgs/f9a7fdd6101319fb1220d0905909aea54e5d8999?narHash=sha256-0VT36Ig9Z5rgXtQ4dgVgrDPS1UrASffWC/r4O9zFUaE%3D' (2025-12-14)
• Updated input 'nixvim':
    'github:nix-community/nixvim/844cb1c1b72cda6baec95fd9f18c2937f8f6463c?narHash=sha256-2FVFinUhMwp2Z3OldK%2BWjlABf6jgaxhsx%2BcAJfH3OSY%3D' (2025-12-13)
  → 'github:nix-community/nixvim/f0b0cc7cae2cf5d76608c9164ab8824a2387e146?narHash=sha256-CdaiOfpBiS4kw/DR0Ut%2B02fpFnjM8hNZMZ53a1pavak%3D' (2025-12-13)

common-packages.nix

@@ -24,6 +24,7 @@
     fd
     github-cli
     hadolint
+    lazygit
     progress
     ripgrep
     shellcheck

flake.lock

@@ -298,11 +298,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1765639711,
-        "narHash": "sha256-FHgcKgFONNW2epilU72fWou1D/P+DgRSDvswAlua9tg=",
+        "lastModified": 1765719588,
+        "narHash": "sha256-0VT36Ig9Z5rgXtQ4dgVgrDPS1UrASffWC/r4O9zFUaE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2e0977107afca75db2966c059105370da3c71da5",
+        "rev": "f9a7fdd6101319fb1220d0905909aea54e5d8999",
         "type": "github"
       },
       "original": {
@@ -376,11 +376,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1765311797,
-        "narHash": "sha256-mSD5Ob7a+T2RNjvPvOA1dkJHGVrNVl8ZOrAwBjKBDQo=",
+        "lastModified": 1765608474,
+        "narHash": "sha256-9Wx53UK0z8Di5iesJID0tS1dRKwGxI4i7tsSanOHhF0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "09eb77e94fa25202af8f3e81ddc7353d9970ac1b",
+        "rev": "28bb483c11a1214a73f9fd2d9928a6e2ea86ec71",
         "type": "github"
       },
       "original": {
@@ -416,11 +416,11 @@
         "systems": "systems_2"
       },
       "locked": {
-        "lastModified": 1765632205,
-        "narHash": "sha256-2FVFinUhMwp2Z3OldK+WjlABf6jgaxhsx+cAJfH3OSY=",
+        "lastModified": 1765647805,
+        "narHash": "sha256-CdaiOfpBiS4kw/DR0Ut+02fpFnjM8hNZMZ53a1pavak=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "844cb1c1b72cda6baec95fd9f18c2937f8f6463c",
+        "rev": "f0b0cc7cae2cf5d76608c9164ab8824a2387e146",
         "type": "github"
       },
       "original": {

home.nix

@@ -42,13 +42,16 @@ in
 
       settings = {
         user.name = "Dave Gallant";
+        user.signingkey = "5A548984C7377E4D";
+        commit.gpgsign = true;
+        tag.gpgsign = true;
         alias = {
           aa = "add -A .";
           br = "branch";
-          c = "commit -S";
-          cm = "commit -S -m";
-          ca = "commit -S --amend";
-          cane = "commit -S --amend --no-edit";
+          c = "commit";
+          cm = "commit -m";
+          ca = "commit --amend";
+          cane = "commit --amend --no-edit";
           cb = "checkout -b";
           co = "checkout";
           cmp = "! git checkout main && git pl";
@@ -388,13 +391,11 @@ in
         "make"
         "material-icon-theme"
         "nix"
-        "tokyo-night"
         "toml"
         "vue"
       ];
       userSettings = {
         icon_theme = "Material Icon Theme";
-        theme = lib.mkForce "Tokyo Night";
         features = {
           edit_prediction_provider = "copilot";
         };
@@ -404,8 +405,8 @@ in
         };
         autosave = "on_focus_change";
         format_on_save = "off";
-        ui_font_size = lib.mkForce 20;
-        buffer_font_size = lib.mkForce 18;
+        ui_font_size = lib.mkForce 18;
+        buffer_font_size = lib.mkForce 16;
       };
       userKeymaps = [
         {