tmux 3.0a installation script on ubuntu:16.04

installTmuxUbuntu.sh

#!/bin/bash
set -e

VERSION="3.0a"
wait_time=10
my_cfg="https://gist.githubusercontent.com/LplusKira/e6c44f54b79b04b5dba9198fec5a9acd/raw/f1fab270c7abcb91f19e07d3775639f5763f23d1/.tmux.conf"
echo "Enter your password: "
read -s password
echo "This will remove current tmux and replace it with ver: ${VERSION}"

echo "You have $wait_time secs to regret this decision ; )"
sleep $wait_time

# Credit the script bellow to http://witkowskibartosz.com/blog/update-your-tmux-to-latest-version.html#.Xt7GDjdKjCI
{
  # Purge old ver
  echo $password | sudo -S apt-get -y remove tmux
} && {
  # Dependencies
  echo $password | sudo -S apt-get -y install wget tar libevent-dev libncurses-dev xclip
} && {
  # Download new specific version
  wget https://github.com/tmux/tmux/releases/download/${VERSION}/tmux-${VERSION}.tar.gz
} && {
  # Check new-ver's package
  tar xf tmux-${VERSION}.tar.gz
  rm -f tmux-${VERSION}.tar.gz
} && {
  # Build it locally
  cd tmux-${VERSION}
  ./configure
  make
  echo $password | sudo make install
  cd -
} && {
  # Clean-up built dependencies
  echo $password | sudo rm -rf /usr/local/src/tmux-*
  echo $password | sudo mv tmux-${VERSION} /usr/local/src
}

# Install Tmux Plugin manager
## Overwrite manager
rm -rf ~/.tmux/plugins/tpm
git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm

# Get my tmux config
wget $my_cfg