From 7ebe1d33475e8e2459574f2abfefd7fedb01dbcf Mon Sep 17 00:00:00 2001
From: Patrick Stevens <3138005+Smaug123@users.noreply.github.com>
Date: Wed, 16 Jul 2025 20:49:53 +0100
Subject: [PATCH] Tmux copy-paste (#122)

---
 home-manager/modules/tmux.nix | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/home-manager/modules/tmux.nix b/home-manager/modules/tmux.nix
index c585cb9..a2d8849 100644
--- a/home-manager/modules/tmux.nix
+++ b/home-manager/modules/tmux.nix
@@ -14,6 +14,26 @@
     extraConfig = ''
       set-option -sa terminal-features ',xterm-256color:RGB'
       set -g default-command "exec ${pkgs.zsh}/bin/zsh"
+
+      # Vi mode
+      set-window-option -g mode-keys vi
+
+      # Use v to begin selection in copy mode
+      bind-key -T copy-mode-vi v send-keys -X begin-selection
+
+      # Use Shift+V to select line
+      bind-key -T copy-mode-vi V send-keys -X select-line
+
+      # Use y to yank to clipboard
+      ${
+        if pkgs.stdenv.isDarwin
+        then ''
+          bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
+        ''
+        else ''
+          bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "${pkgs.wl-clipboard}/bin/wl-copy"
+        ''
+      }
     '';
   };
 }