Move to iTerm2

Mostly for tmux integration

modules/home/mac-portable.nix

@@ -9,8 +9,41 @@
   home.packages = with pkgs; [
     secretive
     vlc-bin
+
+    # Faster and more feature-rich than Terminal.
+    iterm2
   ];
 
+  targets.darwin.defaults."com.googlecode.iterm2" = {
+    # $ defaults read ~/Library/Preferences/com.googlecode.iterm2.plist
+
+    # Allow tmux (and others) to use OSC 52 to set clipboard.
+    AllowClipboardAccess = true;
+    # Allow programs to clear scrollback.
+    PreventEscapeSequenceFromClearingHistory = false;
+
+    TripleClickSelectsFullWrappedLines = true;
+    WordChars = "/-._~";
+    PromptOnQuit = false;
+  };
+  home.file."Library/Application Support/iTerm2/DynamicProfiles/nix-profile.json".text =
+    builtins.toJSON
+      {
+        Profiles = [
+          {
+            Name = "Nix-Managed";
+            Guid = "17DF2CCB-C7CD-4BCC-AC28-666DD6C8AF4A";
+            "Normal Font" = "Menlo-Regular 13";
+
+            Columns = 160;
+            Rows = 45;
+
+            # For tmux selection and moving borders.
+            "Mouse Reporting" = true;
+          }
+        ];
+      };
+
   programs.zsh.envExtra = ''
     # If Secretive doesn't recognize your Yubikey PIV, it's possible you
     # generated it using yubikey-agent and that did not update CHUID. Simply