#!/bin/sh
set -e

# Version 1.0d, 2007-09-19
#
# - Updated 2007-09-19 by Chris Shymanik (chris@chipsncheese.com)
#   - Minor revision 1.0d to fix an end-of-install bug.
#
# - Initial Release on 2007-07-20 by Chris Shymanik (chris@chipsncheese.com)
#
#### User Configuration Options
# Temporary source directory
SRCDIR=${HOME}/source
# Download temporary DIST files to which directory?
DISTDIR=${HOME}/dist
# Delete contents of DISTDIR after installation? (Default: Yes)
DISTDEL="Yes"
# Install eAccelerator to which directory?
# Note: This *MUST* be set to your PHP5 installation directory!
INSTALLDIR=${HOME}/php5
# Nice Level for Processes. (Depreciated)
# Higher is nicer, lower is less nice and could get your install process killed!
NICE=19

## Program Version Configuration
# Don't touch unless you know what you're doing!
AUTOCONF="autoconf-2.61"
AUTOMAKE="automake-1.10"
EAC="eaccelerator-0.9.5.1"
# What features do you want enabled?
EACFEATURES="--prefix=${INSTALLDIR} \
--enable-eaccelerator=shared \
--with-eaccelerator-info \
--with-php-config=${INSTALLDIR}/bin/php-config \
--with-eaccelerator-content-caching"

#### END User Configuration Options

########## DO NOT MODIFY BELOW ##########

echo "Installation commencing..." `date +%r`
echo ""
sleep 1s

# Push the install dir's bin directory into the path
export PATH=${INSTALLDIR}/bin:$PATH

# Clear and/or create the source directory.
if [ -d ${SRCDIR} ]; then
		  echo "Source directory already exists! Cleaning it..."
		  rm -rf $SRCDIR/*
else
		  echo "Creating source directory..."
		  mkdir -p ${SRCDIR}
fi
# Create the dist files directory if it doesn't exist
# optionally cleaning it if it does exist already.
if [ -d ${DISTDIR} ]; then
	echo ""; echo "Distribution directory already exists!"; echo "Clean it?"
	if [ ${DISTDEL} == "Yes" ]
	then
		echo ""; echo "Yes!"; echo "Cleaning now..."; echo ""
		rm -rf $DISTDIR/*
	else
		echo ""; echo "No!"; echo "Leaving the distribution directory intact."; echo ""
	fi
else
		  echo "Creating distribution directory..."
		  mkdir -p ${DISTDIR}
fi
# Make sure the extensions directory exists.
if [ -d ${INSTALLDIR}/lib/php/extensions ]; then
		  echo "lib/php/extensions folder already exists! Doing nothing..."
else
		  mkdir -p ${INSTALLDIR}/lib/php/extensions
fi

# Detect how many processors the system has (for more optimal compliation).
cores=2   # the number of cores/procs to use when building
if [ $cores -a $cores -gt 1 ]; then
		  j="-j$cores "
fi
		  OS=`uname -s`
if [ "Darwin" = $OS ]; then
		  sed=gnused
		  makefile=makefile.macosx
else
		  makefile=makefile.linux_x86_ppc_alpha
		  sed=sed
fi

for i in $sed wget; do
		  $i --version >/dev/null 2>&1
done

## Check if packages already exist and get packages the ones that don't.
cd ${DISTDIR}
# Do not abort on errors.
set +e
# Wget options
WGETOPT="-t1 -T10 -w5 -q -c"

# Do some of our own error checking here too.
if [ -a ${DISTDIR}/${AUTOCONF}.tar.gz ]; then
		  echo "Skipping wget of ${AUTOCONF}.tar.gz"
else
		  wget $WGETOPT ftp://ftp.ucsb.edu/pub/mirrors/linux/gentoo/distfiles/${AUTOCONF}.tar.gz
		  # If primary mirror fails, use the alternative mirror.
		  if [ -a ${DISTDIR}/${AUTOCONF}.tar.gz ]; then
			echo "Got ${AUTOCONF}.tar.gz"
		  else
				wget $WGETOPT ftp://ftp.gnu.org/gnu/autoconf/${AUTOCONF}.tar.gz
				# Check to make sure the alternative mirror worked.
				if [ -a ${DISTDIR}/${AUTOCONF}.tar.gz ]; then
					echo "Got ${AUTOCONF}.tar.gz"
				else
					echo "Failed to get ${AUTOCONF}.tar.gz. Aborting install!"
					exit 0
				fi
		  fi
fi
if [ -a ${DISTDIR}/${AUTOMAKE}.tar.bz2 ]; then
		  echo "Skipping wget of ${AUTOMAKE}.tar.bz2"
else
		  wget $WGETOPT ftp://ftp.ucsb.edu/pub/mirrors/linux/gentoo/distfiles/${AUTOMAKE}.tar.bz2
		  # If primary mirror fails, use the alternative mirror.
		  if [ -a ${DISTDIR}/${AUTOMAKE}.tar.bz2 ]; then
			echo "Got ${AUTOMAKE}.tar.bz2"
		  else
				wget $WGETOPT ftp://ftp.gnu.org/gnu/automake/${AUTOMAKE}.tar.bz2
				# Check to make sure the alternative mirror worked.
				if [ -a ${DISTDIR}/${AUTOMAKE}.tar.bz2 ]; then
					echo "Got ${AUTOMAKE}.tar.bz2"
				else
					echo "Failed to get ${AUTOMAKE}.tar.bz2. Aborting install!"
					exit 0
				fi
		  fi
fi

if [ -a ${DISTDIR}/${EAC}.tar.bz2 ]; then
		  echo "Skipping wget of ${EAC}.tar.bz2"
else
		  ftp://ftp.ussg.iu.edu/pub/array2/linux/gentoo/distfiles/${EAC}.tar.bz2
		  # If primary mirror fails, use the alternative mirror.
		  if [ -a ${DISTDIR}/${EAC}.tar.bz2 ]; then
		  	echo "Got ${EAC}.tar.bz2"
		  else
				wget -c http://bart.eaccelerator.net/source/0.9.5.1/${EAC}.tar.bz2
				# Check to make sure the alternative mirror worked.
				if [ -a ${DISTDIR}/${EAC}.tar.bz2 ]; then
					echo "Got ${EAC}.tar.bz2"
				else
					echo "Failed to get ${EAC}.tar.bz2. Aborting install!"
					exit 0
				fi
		  fi
fi

set -e

# Extract the source files into the source directory.
cd ${SRCDIR}
echo "Extracting ${AUTOCONF}..."
tar xzf ${DISTDIR}/${AUTOCONF}.tar.gz > /dev/null
echo "Done."
echo "Extracting ${AUTOMAKE}..."
tar xjf ${DISTDIR}/${AUTOMAKE}.tar.bz2 > /dev/null
echo "Done."
echo "Extracting ${EAC}..."
tar xjf ${DISTDIR}/${EAC}.tar.bz2 > /dev/null
echo "Done."

# Required exports
export PATH=${SRCDIR}/bin:$PATH
export PHP_PREFIX=${INSTALLDIR}/bin

## Compile deps and install eAccelerator
#AUTOCONF
cd ${SRCDIR}/${AUTOCONF}
./configure --prefix=${SRCDIR}
# make clean
nice -n ${NICE} make
make install

#AUTOMAKE
cd ${SRCDIR}/${AUTOMAKE}
./configure --prefix=${SRCDIR}
# make clean
nice -n ${NICE} make
make install

#EAC
cd ${SRCDIR}/${EAC}
${INSTALLDIR}/bin/phpize
./configure ${EACFEATURES}
# make clean
nice -n ${NICE} make

## Install eAccelerator now by copying the lib file over to the PHP extension dir.
cp modules/eaccelerator.so ${INSTALLDIR}/lib/php/extensions/eaccelerator.so

# Create temp directory for cache (check if exists first!)
if [ -d ${HOME}/tmp/eaccelerator ]; then
		  echo "Re-creating eAccelerator temp cache directory..."
		  rm -rf ${HOME}/tmp/eaccelerator
		  mkdir -p ${HOME}/tmp/eaccelerator
		  echo "Done."
else
		  echo "Creating eAccelerator temp cache directory..."
		  mkdir -p ${HOME}/tmp/eaccelerator
		  echo "Done."
fi

# Post install clean-up.
sleep 2s
cd ${HOME} && clear

rm -rf $SRCDIR
if [ ${DISTDEL} == "Yes" ]; then
	rm -rf $DISTDIR
elif [ ${DISTDEL} == "No" ]; then
	echo "Your DISTDIR will not be cleaned."
else
	echo "Unknown DISTDEL option! Cleaning your DISTDIR by default."
fi

## End of Install
echo "Installation completed!" `date +%r`

#EOF