feat: create shared git config

home/git.nix

@@ -0,0 +1,38 @@
+{ lib, pkgs, config, ... }:
+
+with lib;
+let
+  cfg = config.programs.git.custom;
+in
+{
+  options.programs.git.custom = {
+    userName = mkOption {
+      type    = types.str;
+      default = "Felix Tenley";
+    };
+    userEmail = mkOption {
+      type    = types.str;
+      default = "dev@felschr.com";
+    };
+    signingKey = mkOption {
+      type = types.str;
+    };
+  };
+
+  config = {
+    programs.git = {
+      enable = true;
+      userName = cfg.userName;
+      userEmail = cfg.userEmail;
+      ignores = [".direnv"];
+      signing = {
+        key = cfg.signingKey;
+        signByDefault = true;
+      };
+      extraConfig = {
+        pull = { rebase = true; };
+        rebase = { autoStash = true; };
+      };
+    };
+  };
+}