get-ge

#!/bin/bash
# get-ge
# Installer for Google Earth
############################
# Description:
# This script downloads and installs Google Earth from Google.com.
# It also installs some needed dependencies, and creates a
# needed symlink if required.
############################
# Instructions:
# Save this file in your home folder as get-ge
# then
# $ chmod +x get-ge
# Then, in a terminal:-
# $ su
# # ./get-ge
#
# To uninstall use:-
# $ su
# # ./get-ge uninstall
############################
# Changelog:
# Sunday   07 Aug 2011  Moved download to after dependency check to save time and bandwidth
#                       in case a dependency install fails.
# Sunday   26 Jun 2011  Added re-trys and timeout.
# Saturday 25 Jun 2011  Changed download into safe temp dir.
#                       Added uninstall option, improved some error trapping.
# Thursday 23 Jun 2011  Added check for existing install and corrected typo.
# Thursday 23 Jun 2011  First pasted
#
############################
# Note: If the Google Earth version changes then these checksums will need to be edited
arch=$(uname -m)
if [[ $arch = x86_64 ]]; then
# md5sum for x86_64 version
     md5=037ef3ab6595064f9100a449439f2f3e
else
     arch=i386
# md5sum for i386 version
     md5=38d591fdc22fadad41d4e29427da7dca
fi
uninst()
{
if echo $1 | grep -q uninstall; then
urpme google-earth-stable
exit $?
fi
}
chksu()
{
if [[ $UID != 0 ]] || [[ $USER = "root" ]]; then
   echo "Sorry, you must run this as root. (Use su NOT su -)"
   exit 1
fi
}
chkdeps_ge()
{
echo "Checking dependencies for Google Earth"
deps=(fontconfig libX11-common lsb-lib libxrender1 libxext6 libsm6)
for dp in ${deps[@]}; do
      urpmi $dp || exit 1
done
}
gedown()
{
tmp_dir=$(mktemp -d)
[[ -d $tmp_dir ]] || { echo "Failed to create temporary directory"; exit 1; }
cd $tmp_dir || { echo "Error changing to temporary directory"; exit 1; }
wget --timeout=20 --tries=3 "https://dl-ssl.google.com/linux/direct/google-earth-stable_current_$arch.rpm"
[[ -f google-earth-stable_current_$arch.rpm ]] || { echo "Download failed"; rm -rf $tmp_dir; exit 1; }
md5chk=$(md5sum google-earth-stable_current_$arch.rpm | cut -d' ' -f1)
cd .. || { echo "Error changing directory"; exit 1; }
[[ $md5 = $md5chk ]] || { echo "Checksum Failed"; rm -rf $tmp_dir; exit 1; }
}
geinst()
{
[[ -f $tmp_dir/google-earth-stable_current_$arch.rpm ]] || exit 1
rpm -Uvh $tmp_dir/google-earth-stable_current_$arch.rpm 2> /dev/null
[[ $? = 0 ]] || { echo "There was an error during install"; rm -rf $tmp_dir; exit 1; }
}
chkinst()
{
if rpm -qa | grep -q google-earth; then
echo "Google Earth seems to be already installed - uninstall it before running this again"
exit 1
fi
}
chksu
uninst $1
chkinst
chkdeps_ge
gedown
geinst
[[ -h /lib/ld-lsb.so.3 ]] || ln -s /lib/ld-linux.so.2 /lib/ld-lsb.so.3
rm -rf $tmp_dir
echo "Google Earth was successfully installed"