Add home manager standalone config for macos

Refactor pkgs into groups, reuse in both home manager and system configs
Port across some more dotfiles stuff into home.nix

home.nix

@@ -1,27 +1,52 @@
 { config, pkgs, ... }:
 
-{
-  home.stateVersion = "21.11";
-
+let mypkgs = (import ./modules/pkgs.nix { inherit pkgs; });
+in {
+  home.packages = mypkgs.all;
   programs = {
     home-manager.enable = true;
     git = {
       enable = true;
       userName = "Sam Willcocks";
       userEmail = "sam@wlcx.cc";
+
+      delta = { # Better diffs
+        enable = true;
+        options = { line-numbers = true; };
+      };
+
       aliases = {
-        st = "status";
-        co = "checkout";
-        d = "diff";
-        cim = "commit -m";
         a = "add";
         ap = "add -p";
+        c = "commit";
+        can = "commit --amend --no-edit";
+        cm = "commit -m";
+        co = "checkout";
+        d = "diff";
+        dc = "diff --cached";
+        r = "rebase --autostash";
+        ri = "rebase --autostash --interactive";
+        st = "status";
+
+        gone = ''
+          ! "git fetch -p && git for-each-ref --format '%(refname:short) %(upstream:track)' | a
+                 │ wk '$2 == \"[gone]\" {print $1}' | xargs -r git branch -D"'';
+      };
+      extraConfig = {
+        branch.sort = "-committerdate";
+        log.showSignature = true;
+        push.default = "current";
+        include.path = "~/.gitconfig.local";
       };
     };
     fzf.enable = true;
     zsh = {
       enable = true;
-      shellAliases = { g = "git"; };
+      shellAliases = {
+        g = "git";
+        cat = "bat";
+        hmswitch = ''home-manager switch --flake ".#$(hostname -s)"'';
+      };
       prezto = {
         enable = true;
         prompt.theme = "giddie";