#!/bin/bash
echo "Welcome to Watto's compile/install MythTV script for Knoppmyth."

# Fatal Error function.
fatal_error () {
echo 1>&2 "Fatal error - $*, exiting."
exit 1
}

# Nice make function.
make_nice () {
/usr/bin/nice -n17 /usr/bin/make "$@"
}

# Athlon64 Compile Fix.
grep 'Athlon(tm) 64' /proc/cpuinfo >/dev/null && EXTRA_OPTS="--arch=athlon"

# User input.
TARGET=branches/release-0-21-fixes # Default to trunk
WAIT_FOR_USER=false
while [ -n "$1" ] ; do
case "$1" in
head)
TARGET=trunk
;;
fixes)
TARGET=branches/release-0-21-fixes
;;
pause)
WAIT_FOR_USER=true
;;
*)
echo
echo "Unknown command line parameter. Usage: mythsvn.sh [head|fixes] [pause]"
echo " Selecting head will compile from the SVN head,"
echo " Selecting fixes will compile the fixes branch,"
echo " Selecting pause will pause before installation."
exit 1
;;
esac
shift
done

# Download SVN.
/usr/bin/svn co http://svn.mythtv.org/svn/$TARGET/mythtv
/usr/bin/svn co http://svn.mythtv.org/svn/$TARGET/mythplugins
/usr/bin/svn co http://svn.mythtv.org/svn/$TARGET/myththemes

# we already have the source, so just update it
#cd /usr/src/mythtv
#svn update
#cd /usr/src/mythplugins
#svn update
#cd /usr/src/myththemes
#svn update
#cd /usr/src

# Backup custom menu.
/bin/cp -f /usr/share/mythtv/mainmenu.xml ./
/bin/cp -f /usr/share/mythtv/optical_menu.xml ./
/bin/cp -f /usr/share/mythtv/library.xml ./
/bin/cp -f /usr/share/mythtv/util_menu.xml ./

# Configure/make MythTV.
cd mythtv
./configure --disable-distcc --prefix=/usr --enable-proc-opt --enable-dvb --enable-xvmc --enable-xvmc-opengl --enable-opengl-vsync --enable-libdts $EXTRA_OPTS
export QTDIR=/usr/share/qt3
/usr/bin/qmake mythtv.pro
make_nice || fatal_error "The build failed!"

# Backup Knoppmyth and MythTV.
grep /usr/share/mythtv /myth/backup/backup.list >/dev/null ||
echo ./usr/share/mythtv >> /myth/backup/backup.list
sed -si~ -e 's:^/:./:' /myth/backup/backup.list
/usr/local/bin/mythbackup

# Pause before installation (optional)
[ "$WAIT_FOR_USER" = "true" ] && read -p "Please hit 'Any Key' to continue..."

# Stop all effected programs.
/etc/init.d/lirc stop
/etc/init.d/mythtv-backend stop
/etc/init.d/mysql stop

# Install MythTV and restore custom menus.
make_nice install || fatal_error "failed to install MythTV"
/bin/cp -f ../mainmenu.xml /usr/share/mythtv/
/bin/cp -f ../optical_menu.xml /usr/share/mythtv/
/bin/cp -f ../library.xml /usr/share/mythtv/
/bin/cp -f ../util_menu.xml /usr/share/mythtv/

# Configure and Install MythThemes.
cd ../myththemes/
./configure --prefix=/usr $EXTRA_OPTS
/usr/bin/qmake myththemes.pro
make_nice || fatal_error "failed to make MythThemes"
make_nice install || fatal_error "failed to install MythThemes"

# Restart everything.
/etc/init.d/mysql start
/etc/init.d/mythtv-backend start
/etc/init.d/lirc start
(sleep 5 ; /usr/bin/irexec -d /home/mythtv/.lircrc) &

# Configure, make, and install MythPlugins.
cd ../mythplugins/
./configure --prefix=/usr --enable-all $EXTRA_OPTS
/usr/bin/qmake mythplugins.pro
make_nice || fatal_error "failed to build MythPlugins"
make_nice install || fatal_error "failed to install MythPlugins"

# Configure and install MythStream
cd ../mythstream-0.18_1
/usr/bin/qmake mythstream.pro
make_nice || fatal_error "failed to build MythStream"
make_nice install || fatal_error "failed to install MythStream"

# Restart frontend to load plugins and update MythWeb.
cd ../mythplugins
/bin/cp -R -f mythweb/* /var/www/mythweb
/usr/share/mythtv/mythweb/modules/_shared/lang/build_translation.pl

# All done!
shutdown -r now
exit 0