Migrate config from dotfiles

modules/shell/git/default.nix

@@ -0,0 +1,38 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+let cfg = config.modules.shell.git;
+in {
+  options.modules.shell.git = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+    home.programs.git = {
+      enable = true;
+      aliases = {
+        amend = "commit --amend";
+        lg = "log --color --graph --abbrev-commit --";
+        ls = "ls-files";
+        unadd = "reset HEAD";
+        undo-commit = "reset --soft \"HEAD^\"";
+      };
+      userEmail = "jordan@vimium.com";
+      userName = "Jordan Holt";
+      signing = {
+        key = "B8CFFF61F1CCF520";
+        signByDefault = true;
+      };
+      extraConfig = {
+        rebase.autosquash = true;
+        push.default = "current";
+        pull.rebase = true;
+      };
+    };
+
+    home.configFile = {
+      "git/ignore".source = ./ignore;
+    };
+  };
+}