tmux.conf

set -g base-index 1
set -g pane-base-index 1
set -g status-right ''
set -g mode-keys vi

# Looks like this is no longer needed now that I'm on macOS Big Sur
# set-option -g default-command "reattach-to-user-namespace -l bash"

set-option -g set-titles on
set-option -g set-titles-string "#{session_name}"

bind q kill-session

# Text selection in vi mode.
bind-key -T copy-mode-vi v send-keys -X begin-selection

# True Color
set-option -sa terminal-overrides ',alacritty:RGB'

# 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|n?vim?x?)(diff)?$'"
# https://github.com/christoomey/vim-tmux-navigator/issues/417
is_vim="ps -o tty= -o state= -o comm= | \
    grep -iqE '^#{s|/dev/||:pane_tty} +[^TXZ ]+ +(\\S+\\/)?g?(view|l?n?vim?x?|fzf)(diff)?$'"
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"
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

# Tmux Plugin Manager
# List of plugins
set -g @plugin 'tmux-plugins/tmux-open'
set -g @plugin 'tmux-plugins/tmux-pain-control'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tpm'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'