#!/bin/bash

# This line check if you run with privileges.
if [[ $EUID -ne 0 ]]; then
    echo "The script must be executed with the sudo command or as root user"
    exit 1
else
    
    # Declaring variables
    UBUNTU_DESKTOP="
[Desktop Entry]\n
Name=Ubuntu\n
Comment=This session logs you into Unity\n
Exec=gnome-session --session=ubuntu\n
TryExec=unity\n
Icon=\n
Type=Application\n
X-LightDM-DesktopName=Unity\n
X-Ubuntu-Gettext-Domain=gnome-session-3.0\n"
    
    UBUNTU_SESSION="
[GNOME Session]\n
Name=Ubuntu\n
RequiredComponents=unity-settings-daemon;compiz;\n
DesktopName=Unity\n"
    
    
    # Creating the file for the desktop entry
    touch /usr/share/xsessions/ubuntu.desktop
    echo -e $UBUNTU_DESKTOP > /usr/share/xsessions/ubuntu.desktop
    
    # Creating the file for the session entry
    touch /usr/share/gnome-session/sessions/ubuntu.session
    echo -e $UBUNTU_SESSION > /usr/share/gnome-session/sessions/ubuntu.session
    
fi
exit 1