archey4-pkgbuild/archey4.install

post_install() {
	# Creates a symbolic link providing `archey4` command alias.
	ln -s -f /usr/bin/archey /usr/bin/archey4
}

post_upgrade() {
	post_install
}

pre_remove() {
	# Removes symbolic link created by `post_install`.
	if [ -L /usr/bin/archey4 ]; then
		rm /usr/bin/archey4
	fi
}