base: Finally, some emacs on darwin (and some other stuff I guess)

modules/shared/base/tmux/default.nix

@@ -0,0 +1,29 @@
+{ config, lib, ... }:
+
+let
+  username = config.chvp.username;
+  base = {
+    programs.tmux = {
+      enable = true;
+      clock24 = true;
+      extraConfig = ''
+        bind q kill-session
+        bind v run-shell "tmux setw main-pane-width $(($(tmux display -p '#{window_width}') * 70 / 100)); tmux select-layout main-vertical"
+        bind h run-shell "tmux setw main-pane-height $(($(tmux display -p '#{window_height}') * 70 / 100)); tmux select-layout main-horizontal"
+
+        set -g default-terminal "screen-256color"
+        set -sg escape-time 10
+      '';
+      keyMode = "vi";
+    };
+  };
+in
+{
+  options.chvp.base.tmux.usersToConfigure = lib.mkOption {
+    default = [ username ];
+  };
+
+  config.home-manager.users = builtins.foldl' (a: b: a // b) { } (
+    builtins.map (name: { "${name}" = base; }) config.chvp.base.tmux.usersToConfigure
+  );
+}