install-eclipse

#!/bin/bash -e

function die {
  echo $@
  exit 3
}

if [ -z "$1" ] ; then
    die "usage: install-eclipse eclpise-x-x-x-x86_64.tar.gz"
elif [ "$EUID" != "0" ] ; then
    die "You must run this as root"
fi

echo "Installing dependencies"
if ! apt-get -y install junit4 libhamcrest-java ; then
    die "Failed to install dependencies"
fi

echo "Uncompressing to /opt"
if ! sudo tar xf "$1" -C "/opt" ; then
    die "Error: Failed to uncompress properly"
elif [ ! -d /opt/eclipse ] ; then
    die "Could not find /opt/eclipse"
elif ! chmod -R +r /opt/eclipse ; then
    die "Could not make all of the files universally readable"
fi

if [ ! -f /usr/bin/eclipse ] ; then 
    echo "Creating eclipse startup file"
    cat > /usr/bin/eclipse <<EOF
export ECLIPSE_HOME="/opt/eclipse"
\$ECLIPSE_HOME/eclipse \$*
EOF
    chmod 755 /usr/bin/eclipse
fi

if [ ! -f /usr/share/applications/eclipse.desktop ] ; then
    echo "Creating the desktop menu item"
    cat > /usr/share/applications/eclipse.desktop <<EOF
[Desktop Entry]
Encoding=UTF-8
Name=Eclipse
Comment=Eclipse IDE
Exec=eclipse
Icon=/opt/eclipse/icon.xpm
Terminal=false
Type=Application
Categories=GNOME;Application;Development;
StartupNotify=true
EOF
fi