#!/bin/bash
#===============================================================================
#
#          FILE:  install_safari_beta.sh
#
#         USAGE:  ./install_safari_beta.sh
#
#   DESCRIPTION: Installs a stand alone version of the Safari beta browser.
#
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  Credit http://vasi.dyndns.org:3128/svn/SafariBeta/HOWTO.txt
#        AUTHOR:  SpookyET, spookyet@gmail.com
#       COMPANY:  ---
#       VERSION:  1.0
#       CREATED:  2008-02-27 02:52 UTC
#      REVISION:  ---
#===============================================================================
DISK_IMAGE_MD5="150f262c68147d7efac77e9517efd115"
LAUNCHER_MD5="dee6b4dfcdf2179f264e950e7b0d60ad"
DISK_IMAGE_NAME="Safari4.0BetaLeo.dmg"
DISK_IMAGE_VOLUME_NAME="Safari 4 (Manual) (Leo)"
LAUNCHER_NAME="WebKitLauncher.zip"
DISK_IMAGE_DOWNLOAD_URL="http://appldnld.apple.com.edgesuite.net/content.info.apple.com/Safari4/061-4669.20090224.lpsaf/${DISK_IMAGE_NAME}"
LAUNCHER_DOWNLOAD_URL="http://vasi.dyndns.org:3128/svn/SafariBeta/${LAUNCHER_NAME}"
DISK_IMAGE_MOUNTED_PATH="/Volumes/Safari 4 (Manual) (Leo)"
PACKAGE_NAME="Safari4.0BetaLeo.pkg"
PACKAGE_PATH="${DISK_IMAGE_MOUNTED_PATH}/${PACKAGE_NAME}"

function cleanup()
{
	echo "Cleaning up..."
	rm -rf BetaFiles
	hdiutil detach "/Volumes/${DISK_IMAGE_VOLUME_NAME}" > /dev/null
	rm -rf $DISK_IMAGE_NAME
	rm -rf $LAUNCHER_NAME
	rm -rf $PACKAGE_NAME
	exit;
}

echo "Downloading Safari..."
curl -O ${DISK_IMAGE_DOWNLOAD_URL}

echo "Downloading WebKit Launcher..."
curl -O ${LAUNCHER_DOWNLOAD_URL}

echo "Checking downloaded files..."
LAUNCHER_MD5_RETURN=`md5 $LAUNCHER_NAME | sed -e 's/MD5 (WebKitLauncher.zip) = //g'`
DISK_IMAGE_MD5_RETURN=`md5 ${DISK_IMAGE_NAME} | sed -e 's/MD5 (Safari4.0BetaLeo.dmg) = //g'`

if [[ "$DISK_IMAGE_MD5" != "$DISK_IMAGE_MD5_RETURN" ]]
then
	echo "ERROR: The Safari disk image is corrupt."
	cleanup
fi

if [[ "$LAUNCHER_MD5" != "$LAUNCHER_MD5_RETURN" ]]
then
	echo "ERROR: The WebKit Launcher archive is corrupt."
	cleanup
fi

echo "Unzipping WebKit Launcher..."
unzip $LAUNCHER_NAME > /dev/null

echo "Mounting Safari disk image..."
hdiutil attach $DISK_IMAGE_NAME > /dev/null

if [[ -z "$PACKAGE_PATH" ]]
then
	echo "ERROR: Could not find the Safari package."
	cleanup
fi;

echo "Building Safari Beta..."
cp "/Volumes/${DISK_IMAGE_VOLUME_NAME}/${PACKAGE_NAME}" .
mkdir BetaFiles
cd BetaFiles
xar -xf ../Safari4.0BetaLeo.pkg
pax -rz -pp -f Safari4.0BetaLeo.pkg/Payload
cd ..

cp -R BetaFiles/Applications/* WebKitLauncher.app/Contents/Resources/
find BetaFiles -name \*.framework \
	| /usr/bin/xargs -J% cp -R % WebKitLauncher.app/Contents/Resources/
find WebKitLauncher.app/Contents/Resources/ -name Frameworks \
	| /usr/bin/xargs rm -r

touch WebKitLauncher.app

echo "Disabling plugins..."
defaults write SafariBeta 'NSUseCocoaInputServers' -bool false

echo "Installing in '/Applications/Safari 4 Beta.app'..."
mv WebKitLauncher.app "/Applications/Safari 4 Beta.app"

echo "To uninstall, simply drag 'Safari 4 Beta' to Trash."
cleanup