tmux.conf

# allow nested tmux sessions
bind b send-prefix

# use Ctrl-a like screen instead of default Ctrl-b
#unbind C-b
#set -g prefix C-a
#bind C-a last-window
#bind a send-prefix

# reload configuration on <prefix> r
bind r source-file ~/.tmux.conf \; display-message "configuration reloaded"

# allow esc to enter copy mode like screen
bind Escape copy-mode

# use vi-like navigation
setw -g mode-keys vi
set -g status-keys vi

set -g default-terminal screen-256color

set -g history-limit 10000
set -s escape-time 0

setw -g aggressive-resize on

# Enable mouse support as long as we aren't connected via SSH.
#set -g mouse on
if-shell 'test -z "${SSH_CONNECTION:-}"' 'set -g mouse on'

# Highlight color for copy-mode, mouse, etc.  Isn't set by theme
set -g mode-style "bg=#314f78"

# Don't do anything with mouse selection.  Copying selection to
# clipboard will require another step.
unbind-key -T copy-mode MouseDragEnd1Pane
unbind-key -T copy-mode-vi MouseDragEnd1Pane

# Add vi-like yank to copy mode
bind-key -T copy-mode-vi y send-keys -X copy-selection-and-cancel

# Allow use of ANSI escape codes from shell
# $'\ek...\e\\' - update tmux window title
set -g allow-rename on
# $'\ePtmux;...\a\e\\' - pass ANSI escape code to terminal
set -g allow-passthrough on

# Load theme config if it exists
if-shell "test -f ~/.tmux-theme.conf" "source ~/.tmux-theme.conf"

# Prime tmux's default PATH with possible homebrew locations.  This path
# will be overwritten by bash.d/99-tmux.sh.  This is necessary if tmux
# is installed via homebrew.
set-environment -g PATH "$HOME/opt/brew/bin:/opt/brew/bin:$HOME/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/bin:/usr/local/bin:/usr/bin:/bin"

# Load OS-specific tmux configuration
run-shell 'tmux set-environment -g OS "$(uname -s | tr "A-Z" "a-z")"'
if-shell 'test -f ~/.tmux-$OS.conf' 'source ~/.tmux-$OS.conf'