Add vim-tmux-navigator for seamless pane navigation

config/tmux/tmux.conf

@@ -29,6 +29,25 @@ bind -n C-M-S-Down resize-pane -D 5
 bind -n C-M-S-Up resize-pane -U 5
 bind -n C-M-S-Right resize-pane -R 5
 
+# Smart pane switching with awareness of Vim splits.
+# See: https://github.com/christoomey/vim-tmux-navigator
+is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
+    | grep -iqE '^[^TXZ ]+ +(\\S+/)?g?\\.?(view|l?n?vim?x?|fzf)(diff)?(-wrapped)?$'"
+bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
+bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
+bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
+bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
+if-shell -b '[ "$(echo "$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p") < 3.0" | bc)" = 1 ]' \
+    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
+if-shell -b '[ "$(echo "$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p") >= 3.0" | bc)" = 1 ]' \
+    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"
+
+bind-key -T copy-mode-vi 'C-h' select-pane -L
+bind-key -T copy-mode-vi 'C-j' select-pane -D
+bind-key -T copy-mode-vi 'C-k' select-pane -U
+bind-key -T copy-mode-vi 'C-l' select-pane -R
+bind-key -T copy-mode-vi 'C-\' select-pane -l
+
 # Window navigation
 bind r command-prompt -I "#W" "rename-window -- '%%'"
 bind c new-window -c "#{pane_current_path}"

migrations/1771386669.sh

@@ -0,0 +1,24 @@
+echo "Add vim-tmux-navigator plugin for seamless tmux/nvim navigation"
+
+mkdir -p ~/.config/nvim/lua/plugins
+
+cat > ~/.config/nvim/lua/plugins/tmux-navigator.lua << 'EOF'
+return {
+  "christoomey/vim-tmux-navigator",
+  cmd = {
+    "TmuxNavigateLeft",
+    "TmuxNavigateDown",
+    "TmuxNavigateUp",
+    "TmuxNavigateRight",
+    "TmuxNavigatePrevious",
+    "TmuxNavigatorProcessList",
+  },
+  keys = {
+    { "<c-h>", "<cmd><C-U>TmuxNavigateLeft<cr>" },
+    { "<c-j>", "<cmd><C-U>TmuxNavigateDown<cr>" },
+    { "<c-k>", "<cmd><C-U>TmuxNavigateUp<cr>" },
+    { "<c-l>", "<cmd><C-U>TmuxNavigateRight<cr>" },
+    { "<c-\\>", "<cmd><C-U>TmuxNavigatePrevious<cr>" },
+  },
+}
+EOF