Tvheadend build script from git repo (debian-based)

build_tvheadend.sh

#!/bin/sh
#
# (c) 2016 francesco@bsod.eu
# Simple script for building tvheadend with the latest git repo and ffmpeg static bindings
# Used to build WEBM profile on Live TV Web Player
#
check_if_installed() {
	local PACKAGES="libavahi-client-dev zlib1g-dev libavcodec-dev libavutil-dev libavformat-dev libswscale-dev build-essential git pkg-config libssl-dev bzip2 wget debhelper libcurl4-gnutls-dev liburiparser-dev"
	for p in $PACKAGES; do
		STATUS=$(dpkg-query -W -f='${Status} ${Version}\n' $p | awk '{print $3}')
		if ! [ $STATUS = "installed" ]; then  
			apt-get install $p; 
		else
			echo " ==> $p is installed"
			echo
		fi
	done
}

check_if_installed 

cd /tmp
if [ -d tvheadend ]; then
	echo " ==> Updating TVHeadend git repository"
	cd /tmp/tvheadend
	git pull
else
	echo " ==> Cloning TVHeadend git repository"
	git clone https://github.com/tvheadend/tvheadend.git
fi

cd /tmp/tvheadend

./configure
AUTOBUILD_CONFIGURE_EXTRA=--enable-libffmpeg_static ./Autobuild.sh -t $(lsb_release -c -)-$(uname -i)

if [ $? = 0 ]; then
	echo
	echo " ==> tvheadend was succesfully built. Now you can install the following .deb file : "
	cd /tmp
	ls -1 *.deb
	echo
	echo " ==> By running: dpkg -i file.deb"
	echo
fi