#!/bin/sh
# (C) Raphael Langerhorst, August 2004
# see file LICENSE.BSD for the license

if [ -z $G_PREFIX ]
then
  G_PREFIX=/usr/local
fi

checkreturn()
{
retvalue=$1
if [ ! $retvalue -eq 0 ]
then
  echo ""
  echo "Operation failed with error code $retvalue,"
  echo "please take a look at the output to see what went wrong."
  echo ""
  echo "If this is a priviledge problem, be sure you have the"
  echo "required privilegdes to install into the desired prefix."
  echo ""
  echo "If you don't know what to do about the problem, please"
  echo "contact the developers. See http://www.g-system.at"
  echo "Using the bug mailing list is recommended."
  echo ""
  exit $retvalue
fi
}

echo ""
echo "Installing G System."
echo "Make sure that the source code is compiled before calling install!"
echo ""
echo "You can set a custom prefix with the environment varaible \"G_PREFIX\"."
echo ""
echo "Prefix is $G_PREFIX"
echo ""

echo "Checking for \"install\"".
which install
if [ $? -eq 0 ]
then
  echo "\"install\" found."
  echo ""
else
  echo "\"install\" was not found on your system,"
  echo "please make sure it is in your path!"
  exit 1
fi

sleep 1

mkdir -p $G_PREFIX

mkdir -p $G_PREFIX/lib
echo "Installing libraries into $G_PREFIX/lib"

current_dir=$PWD

cd ./lib
for i_file in ./*
do
  install -p $i_file $G_PREFIX/lib
  checkreturn $?
done
cd $current_dir

mkdir -p $G_PREFIX/include/G
echo "Installing headers into $G_PREFIX/include/G"

cd ./src
for i_dir in core worldengine basicelements clientengine
do
  last_dir=$PWD
  cd $i_dir
  for i_file in ./*.h
  do
    install -p $i_file $G_PREFIX/include/G
    checkreturn $?
  done
  cd $last_dir
done
cd $current_dir

mkdir -p $G_PREFIX/bin
echo "Installing binaries into $G_PREFIX/bin"

cd ./bin
for i_file in ./*
do
  install -p $i_file $G_PREFIX/bin
  checkreturn $?
done
cd $current_dir

if [ -z $G_NO_INST_DOCS ]
then

  echo "Installing documentation into $G_PREFIX/share/doc/gsystem"
  mkdir -p $G_PREFIX/share/doc/gsystem
  cp -r ./doc/gdocs/* $G_PREFIX/share/doc/gsystem

  checkreturn $?

else
  echo "Not installing documentation."
fi

username=`whoami`

if [ $username = "root" ]
then
  echo ""
  echo "Updating linker cache with \"ldconfig\""
  echo ""
  
  ldconfig
  checkreturn $?
else
  echo ""
  echo "Please run ldconfig manually to make sure the"
  echo "installed libraries are available."
  echo ""
fi

echo ""
echo "Installation completed successfully!"
echo "The G System is now installed in $G_PREFIX"
echo ""
echo "Please report bugs or comments to the mailing lists or forum."
echo ""
echo "Take a look at the README file to find out how to use the G System."
echo ""
echo "ENJOY!!"
echo ""

exit 0