Install lnav from GitHub source

install-lnav.sh

#! /bin/bash

clone-lnav() {
        echo "Downloading lnav..."
        cd ~/Downloads
        hash git &> /dev/null
        if [ $? -eq 1 ]; then
                sudo apt-get install git
        fi
        if [ $? -eq 0 ]; then
                git clone https://github.com/tstack/lnav.git
        else
                echo 'Please install git'
                exit 1
        fi
}

install-dependencies() {
        echo "Installing lnav dependencies..."
        NEEDS='autoconf libpcre3-dev sqlite3 libsqlite3-dev libncurses5-dev libreadline-dev zlib1g-dev'
        sudo apt-get install --yes --force-yes $NEEDS
}

make-lnav() {
        echo "Compiling lnav..."
        cd ~/Downloads/lnav
        ./autogen.sh || { echo >&2 "Autogen failed."; exit 1; }
        ./configure || { echo >&2 "Configure failed."; exit 1; }
        cd ~/Downloads/lnav
        make || { echo >&2 "make failed."; exit 1; }
        sudo make install
}

config-lnav() {
        echo "Installing zreader.log config file for lnav."
        cd ~/zgateway
        lnav -i zreader_lnav_config.json
        cd ~/
}

clone-lnav
install-dependencies
make-lnav
config-lnav