post_install() {
	echo '>>> !!!MANUAL UPGRADE REQUIRED FOR EXISTING PROFILES!!!'
	echo '>>> ================================================================================='
	echo '>>> The latest version of Icedove-UXP now uses its own profile directory.'
	echo '>>> In order to use your existing mail profile, please rename "~/.mozilla/thunderbird"'
	echo '>>> to "~/.hyperbola/icedove-uxp". e.g.:'
	echo '>>> ---------------------------------------------------------------------------------'
	echo '>>> mkdir -p ~/.hyperbola/icedove-uxp'
	echo '>>> cp -a ~/.mozilla/thunderbird/* ~/.hyperbola/icedove-uxp'
	echo '>>> ---------------------------------------------------------------------------------'
	echo '>>> Once you have confirmed your profile is working in all installed application(s)'
	echo '>>> you may remove the ~/.mozilla directory.'
}

post_upgrade() {
	if (( $(vercmp $2 52.9.20190826-1) < 0 )); then
		echo '>>> !!!MANUAL UPGRADE REQUIRED FOR EXISTING PROFILES!!!'
		echo '>>> ================================================================================='
		echo '>>> The latest version of Icedove-UXP now uses its own profile directory.'
		echo '>>> In order to use your existing mail profile, please rename "~/.mozilla/thunderbird"'
		echo '>>> to "~/.hyperbola/icedove-uxp". e.g.:'
		echo '>>> ---------------------------------------------------------------------------------'
		echo '>>> mkdir -p ~/.hyperbola/icedove-uxp'
		echo '>>> cp -a ~/.mozilla/thunderbird/* ~/.hyperbola/icedove-uxp'
		echo '>>> ---------------------------------------------------------------------------------'
		echo '>>> Once you have confirmed your profile is working in all installed application(s)'
		echo '>>> you may remove the ~/.mozilla directory.'
	fi
}