#
# Worktemux: tmux session wrapper
# https://robots.thoughtbot.com/a-tmux-crash-course
#

# Default options.
opts=""

# Session selection.
if [ ! -z "$1" ]; then
  if tmux list-sessions 2> /dev/null | grep -q "^$1:"; then
    tmux attach -t $1
    exit $?
  else
    session="new -s $1"
  fi

  if [ "$1" == "root" ]; then
    sudo tmux attach
    exit
  elif [ -f "$HOME/.tmux/$1" ]; then
    opts="-f $HOME/.tmux/$1"
  elif [ -f "$HOME/.tmux/base" ]; then
    opts="-f $HOME/.tmux/base"
  else
    opts=""
  fi
fi

# Start session.
tmux $opts $session