tmux install script

tmux_local_install.sh

#!/bin/bash

# Script for installing tmux on systems where you don't have root access.
# tmux will be installed in $INSTALL_PREFIX/bin.
# It's assumed that wget and a C/C++ compiler are installed.

# exit on error
set -e

TMUX_VERSION=2.2
BUILD_NCURSES=true
LIBEVENT_VERSION=2.0.22-stable

echo "Installing tmux to ${INSTALL_PREFIX:=$HOME/local}"

# Check if ncurses is already installed
if ldconfig -p | fgrep -q libncurses; then
  BUILD_NCURSES=false
fi

# create our directories
mkdir -p $INSTALL_PREFIX $HOME/tmux_tmp
cd $HOME/tmux_tmp

WGET="wget --no-check-certificate"

function download_file {
  $WGET -O $2 $1/$2
}

# download source files for tmux, libevent, and ncurses
download_file https://github.com/tmux/tmux/releases/download/${TMUX_VERSION} tmux-${TMUX_VERSION}.tar.gz
download_file https://github.com/libevent/libevent/releases/download/release-${LIBEVENT_VERSION} libevent-${LIBEVENT_VERSION}.tar.gz
$BUILD_NCURSES && download_file ftp://ftp.gnu.org/gnu/ncurses ncurses-5.9.tar.gz

# extract files, configure, and compile

############
# libevent #
############
tar xvzf libevent-${LIBEVENT_VERSION}.tar.gz
cd libevent-${LIBEVENT_VERSION}
./configure --prefix=$INSTALL_PREFIX --disable-shared
make
make install
cd ..

############
# ncurses  #
############
if $BUILD_NCURSES; then
tar xvzf ncurses-5.9.tar.gz
cd ncurses-5.9
./configure --prefix=$INSTALL_PREFIX
make
make install
cd ..
fi

############
# tmux     #
############
tar xvzf tmux-${TMUX_VERSION}.tar.gz
cd tmux-${TMUX_VERSION}
./configure CFLAGS="-I$INSTALL_PREFIX/include -I$INSTALL_PREFIX/include/ncurses" LDFLAGS="-L$INSTALL_PREFIX/lib -L$INSTALL_PREFIX/include/ncurses -L$INSTALL_PREFIX/include"
CPPFLAGS="-I$INSTALL_PREFIX/include -I$INSTALL_PREFIX/include/ncurses" LDFLAGS="-static -L$INSTALL_PREFIX/include -L$INSTALL_PREFIX/include/ncurses -L$INSTALL_PREFIX/lib" make
cp tmux $INSTALL_PREFIX/bin
cd ..

###########################
# CREATE TMUX CONFIG FILE #
###########################
 
TMUX_CONF=$HOME/.tmux.conf
if ! [ -e $TMUX_CONF ]; then
  echo "unbind C-b" >> $TMUX_CONF
  echo "set -g prefix C-a" >> $TMUX_CONF
  echo "bind-key a send-prefix" >> $TMUX_CONF
  echo "bind-key C-a last-window" >> $TMUX_CONF
fi

# cleanup
rm -rf $HOME/tmux_tmp

echo "$INSTALL_PREFIX/bin/tmux is now available. You can optionally add $INSTALL_PREFIX/bin to your PATH."