tmux.conf

# C-a should be the Tmux default prefix, really
set -g prefix C-a
set -g mode-keys vi

# enable mouse features for terminals that support it
set -g mode-mouse on
set -g mouse-resize-pane on
set -g mouse-select-pane on
set -g mouse-select-window on

# Act like vim in copy mode
setw -g mode-keys vi
bind-key -t vi-copy v begin-selection
bind-key -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"

# Update default binding of `Enter` to also use copy-pipe
unbind -t vi-copy Enter
bind-key -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"

# Make status bar not hideous
set -g status-bg '#383c40'
set -g status-fg '#aaaaaa'
set -g status-left ''
set -g status-right ''

# highlight currently selected tab/window
set-window-option -g window-status-current-bg black

# start window numbers at 1 to match keyboard order with tmux window order
set -g base-index 1
set-window-option -g pane-base-index 1

# renumber windows sequentially after closing any of them
set -g renumber-windows on

# Ensure renamed windows keep their names
set -g allow-rename off

# Clear scrollback history
bind-key k send-keys -R \; clear-history

# Smart pane switching with awareness of vim splits
# Uses the same pane-switching commands as vim
# This is from the vim-tmux-navigator plugin
is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'
bind -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
bind -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"

# List of plugins
# Supports `github_username/repo` or full git repo URLs
set -g @tpm_plugins '              \
  tmux-plugins/tpm                 \
  tmux-plugins/tmux-sensible       \
  tmux-plugins/tmux-pain-control   \
'
# Other examples:
# github_username/plugin_name    \
# git@github.com/user/plugin     \
# git@bitbucket.com/user/plugin  \

# Initializes TMUX plugin manager.
# Keep this line at the very bottom of tmux.conf.
run-shell '~/.tmux/plugins/tpm/tpm'