#!/bin/bash
#####################################################################
####### This script downloads svn repo and generates a debian package
####### Autor: Fredy <aluque@soleta.eu>      2018 Q1
####### First attempt just launches the opengnsys_installer
#####################################################################

# Needs root priviledges
if [ "$(whoami)" != 'root' ]; then
        echo "ERROR: this program must run under root privileges!!"
        exit 1
fi

VERSION="1.1"
SVNURL=https://opengnsys.es/svn/branches/version$VERSION
PKG_GEN_PATH=/root/debian-pkg
#DESTDIR=$ROOTDIR/opt/opengnsys
TMPDIR=/tmp/opengnsys_installer

function help()
{
read -r -d '' HELP <<- EOM
########################################################################
#  This script creates debian ".deb" packages for the great            #
#           Opengnsys Deployment Software                              #
#  - Select which type of package you would like to generate           #
#  - You will find your ".deb" file inside /root/debian-pkg folder     #
#  - Send the ".deb" file to your destination machine and install it:  #
#  - apt install ./opengnsys-*.deb   (use apt instead apt-get or dpkg) #
#  The script has been tested on Ubuntu Xenial 16.04 LTS               #
########################################################################
EOM
echo "$HELP"
}

function createControlFile()
{
cat > $ROOTDIR/DEBIAN/control << EOF
Package: $PKG_NAME
Priority: optional
Section: misc
Maintainer: info@opengnsys.es
Architecture: all
Version: $VERSION
$DEPENDS
Description: Opengnsys Deploy Generator
Homepage: https://opengnsys.es
EOF
}

function createFullPackage()
{
PKG_NAME="opengnsys-full"
ROOTDIR=$PKG_GEN_PATH/$PKG_NAME
mkdir -p $DESTDIR $TMPDIR $ROOTDIR
svn export --force $SVNURL $TMPDIR
mkdir -p $ROOTDIR/DEBIAN $ROOTDIR/tmp
ln -s $TMPDIR/ $TMPDIR/opengnsys
DEPENDS="Depends: subversion, apache2, php, php-ldap, libapache2-mod-php, isc-dhcp-server, bittorrent, tftp-hpa, tftpd-hpa, xinetd, build-essential, g++-multilib, libmysqlclient-dev, wget, curl, doxygen, graphviz, bittornado, ctorrent, samba, rsync, unzip, netpipes, debootstrap, schroot, squashfs-tools, btrfs-tools, procps, arp-scan, realpath, php-curl, gettext ,moreutils, jq, wakeonlan, mysql-server, php-mysql, udpcast"
createControlFile
# Copy installer to postinst
cp $TMPDIR/installer/opengnsys_installer.sh $ROOTDIR/DEBIAN/postinst

# Ejemplo de modificacion del postinst al vuelo
# sed -i 's/wget --spider -q/wget --spider -q --no-check-certificate/g' $ROOTDIR/DEBIAN/postinst

# deactivate svn function
sed -i '/function svnExportCode/{N;s/$/\nreturn 0/}' $ROOTDIR/DEBIAN/postinst

# copy svn repo structure inside .deb package
cp -a $TMPDIR $ROOTDIR/tmp

# Finally Generate package
cd $PKG_GEN_PATH
dpkg --build $PKG_NAME .
}

function createClientPackage()
{
PKG_NAME="opengnsys-client"
ROOTDIR=$PKG_GEN_PATH/$PKG_NAME
mkdir -p $TMPDIR/opengnsys/client/
mkdir -p $ROOTDIR/tmp/client
svn checkout $SVNURL/client $TMPDIR/opengnsys/client/
mkdir -p $ROOTDIR/DEBIAN
DEPENDS="Depends: debootstrap, subversion, schroot, squashfs-tools, syslinux, genisoimage, ipxe, qemu, lsof"
createControlFile
# Copy installer to postinst
cp $TMPDIR/opengnsys/client/boot-tools/boottoolsgenerator.sh $ROOTDIR/DEBIAN/postinst
# Modify installer
sed -i 's/apt-get -y --force-yes install/#apt-get -y --force-yes install/g' $ROOTDIR/DEBIAN/postinst
# Copy repo to package
cp -a $TMPDIR $ROOTDIR/tmp
# Generate package
cd $PKG_GEN_PATH
dpkg --build $PKG_NAME .
}

# Start the Menu
echo "Main Menu"

# Define the choices to present to the user.
choices=( 'help' "Create full package" "Client package (testing)" 'exit')

while [ "$menu" != 1 ]; do
# Present the choices.
# The user chooses by entering the *number* before the desired choice.
	select choice in "${choices[@]}"; do

		# Examine the choice.
		case $choice in
		help)
		  echo "Generate Package Help"
		  help

		  ;;
		"Create full package")
			echo "Creating new full package..."
			createFullPackage
			exit 0
		  ;;
		"Client package (testing)")
			echo "Creating Client package..."
			createClientPackage
			exit 0
		  ;;		  
		exit)
		  echo "Exiting. "
		  exit 0
		  ;;
		*)
		  echo "Wrong choice!"
		  exit 1
		esac
		break

	done
done

echo "End of the script"
exit