post_install() { echo "Symlink has been installed for /usr/bin/neon-wallet" ln -s /opt/Neon/neon /usr/bin/neon-wallet } post_upgrade() { if [ ! -e /usr/bin/neon-wallet ]; then echo "Symlink has been installed for /usr/bin/neon-wallet" ln -s /opt/Neon/neon /usr/bin/neon-wallet else echo "Symlink already present, not reinstalling" fi } post_remove() { echo "Symlink to /usr/bin/neon-wallet has been removed" rm -f /usr/bin/neon-wallet }