#!/bin/bash

# this is the script for installation of tmux.

# On ubuntu, there are some tools have to install first.

# 1. sudo apt-get install automake

# 2. sudo apt-get install libtool

# new tmux version is based on libevent and ncurses packages.

# install libevent and ncurses first.

set -e

TMP_DIR=$HOME/tmp_tmux

mkdir $TMP_DIR

cd $TMP_DIR

#==================

# install libevent

#==================

git clone https://github.com/libevent/libevent.git

cd libevent

sh autogen.sh

./configure --prefix=$HOME/bin --disable-shared

make

make install

cd $TMP_DIR

#==================

# install ncurses

#==================

wget http://invisible-island.net/datafiles/release/ncurses.tar.gz

tar zxvf ncurses.tar.gz

NCURSES_VER=`find . -maxdepth 1 -type d | grep ncurses | cut -b 3-`

cd $NCURSES_VER

./configure --prefix=$HOME/bin

make

make install

cd $TMP_DIR

#==================

# install tmux

#==================

wget https://github.com/tmux/tmux/releases/download/2.1/tmux-2.1.tar.gz

tar zxvf tmux-2.1.tar.gz

TMUX_VER=`find . -maxdepth 1 -type d | grep tmux | cut -b 3-`

cd $TMUX_VER

./configure --prefix=$HOME/bin CFLAGS="-I$HOME/bin/include -I$HOME/bin/include/ncurses" LDFLAGS="-L$HOME/bin/lib -L$HOME/bin/include/ncurses -L$HOME/bin/include"CPPFLAGS="-I$HOME/bin/include -I$HOME/bin/include/ncurses" LDFLAGS="-static -L$HOME/bin/include -L$HOME/bin/include/ncurses -L$HOME/bin/lib"

make

make install

cd $TMP_DIR

# clean up

rm -rf ~/tmp_tmux

echo "============================================================================"

echo "============================================================================"

echo "============================================================================"

echo "tmux is ready for use. Add $HOME/bin into your \$PATH"

echo "'which tmux' is to check which tmux you are using."

echo "'tmux -V' is to check the version you are using."