add git config

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

users/alice/home.nix

@@ -5,6 +5,7 @@
     ./home/zsh.nix
     ./home/doom
     ./home/gammastep.nix
+    ./home/git.nix
   ];
 
   home = {

users/alice/home/git.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  programs.git = {
+    enable = true;
+    signing = {
+      key = "F63832C3080D6E1AC77EECF80B4245FFE305BC82";
+      signByDefault = true;
+    };
+    userEmail = "aliceghuston@gmail.com";
+    userName = "ahuston-0";
+    includes.config.contents = {
+      alias = {
+        gone =
+          !"git fetch -p && git for-each-ref --format '%(refname:short) %(upstream:track)' | awk '$2 == \"[gone]\" {print $1}' | xargs -r git branch -D";
+      };
+      push.autosetupremote = true;
+      pull.rebase = true;
+      color.ui = true;
+    };
+  };
+}