AM/templates/AM-SAMPLE-Unified

#!/bin/sh
# UNIFIED TEMPLATE FOR APPIMAGE/TAR/ZIP ARCHIVES

APP=SAMPLE
site="REPLACETHIS"
url="CHECKTHEURL"
version="CHECKTHEVERSION"

# CREATE THE FOLDER
mkdir /opt/$APP
cd /opt/$APP

# ADD THE REMOVER
echo '#!/bin/sh' >> /opt/$APP/remove
echo "rm -R -f /usr/share/applications/AM-$APP.desktop /opt/$APP /usr/local/bin/$APP" >> /opt/$APP/remove
chmod a+x /opt/$APP/remove

# FUNCTIONS
mkdir tmp
cd ./tmp

_appimage(){
	wget "$url" -O $APP.AppImage; cd ..; mv --backup=t ./tmp/*mage ./$APP 2> /dev/null; chmod a+x /opt/$APP/$APP	
}

_tar(){
	wget "$url"; cd .. tar xf ./tmp/*tar.xz -C ./tmp/ && mv --backup=t ./tmp/*/* . 2> /dev/null
}

_zip(){
	wget "$url"; unzip ./*.zip; rm ./*.zip; cd ..; mv --backup=t ./tmp/* ./ 2> /dev/null
}

#_appimage
#_tar
#_zip

rm -R -f ./version
rm -R -f ./tmp
echo "$version" >> ./version

# LINK (be sure that it redirects to the correct binary in case of tar/zip packages)
ln -s /opt/$APP/$APP /usr/local/bin/$APP

# SCRIPT TO UPDATE THE PROGRAM
cat >> /opt/$APP/AM-updater << 'EOF'
#!/usr/bin/env bash
APP=SAMPLE
version0=$(cat /opt/$APP/version)
version="CHECKTHEVERSION"
URL="CHECKTHEURL"
if [ $version = $version0 ]; then
	echo "Update not needed!"
else
	notify-send "A new version of $APP is available, please wait"
	mkdir /opt/$APP/tmp
	cd /opt/$APP/tmp
	
	_appimage(){
		wget "$url" -O $APP.AppImage; cd ..; mv --backup=t ./tmp/*mage ./$APP 2> /dev/null; chmod a+x /opt/$APP/$APP	
	}

	_tar(){
		wget "$url"; cd .. tar xf ./tmp/*tar.xz -C ./tmp/ && mv --backup=t ./tmp/*/* . 2> /dev/null
	}

	_zip(){
		wget "$url"; unzip ./*.zip; rm ./*.zip; cd ..; mv --backup=t ./tmp/* ./ 2> /dev/null
	}

	#_appimage
	#_tar
	#_zip
  		
  	rm ./version	
  	echo "$version" >> /opt/$APP/version
  	rm -R -f ./tmp ./*~
  	notify-send "$APP is updated!"
fi
EOF
chmod a+x /opt/$APP/AM-updater

# LAUNCHER
app=$(echo $APP | cut -c -3)
cd /opt/$APP

# IF THE APP IS AN APPIMAGE, USE THIS FUNCTION
_appimage_launcher(){
	./$APP --appimage-extract *.desktop 1>/dev/null
	./$APP --appimage-extract share/applications/*.desktop 1>/dev/null
	./$APP --appimage-extract usr/share/applications/*.desktop 1>/dev/null
	mv squashfs-root/*.desktop ./$APP.desktop 2>/dev/null
	mv squashfs-root/share/applications/*.desktop ./$APP.desktop 2>/dev/null
	mv squashfs-root/usr/share/applications/*.desktop ./$APP.desktop 2>/dev/null
	if [ ! -e ./$APP.desktop ]; then 
		rm ./$APP.desktop; ./$APP --appimage-extract usr/share/applications/*$app*.desktop 
		mv squashfs-root/usr/share/applications/*.desktop ./$APP.desktop 2>/dev/null
	fi
	if [ ! -e ./$APP.desktop ]; then 
		rm ./$APP.desktop; ./$APP --appimage-extract share/applications/*$app*.desktop 1>/dev/null
		mv squashfs-root/share/applications/*.desktop ./$APP.desktop 2>/dev/null
	fi
	rm -R -f /opt/$APP/squashfs-root
}

#_appimage_launcher

# IF THE APP IS ANOTHER KIND OF APP, USE THIS SPACE TO DOWNLOAD OR CREATE THE LAUNCHER
#wget DESKTOPFILE -O $APP.desktop 2> /dev/null

# PACH THE LAUNCHER
CHANGEEXEC=$(cat ./$APP.desktop | grep Exec= | tr ' ' '\n' | tr '=' '\n' | tr '/' '\n' | grep $app | head -1)
sed -i "s#$CHANGEEXEC#$APP#g" ./$APP.desktop 2>/dev/null
sed -i "s#AppRun#$APP#g" ./$APP.desktop 2>/dev/null
sed -i "s#Exec=/bin/#Exec=#g" ./$APP.desktop 2>/dev/null
sed -i "s#Exec=/usr/bin/#Exec=#g" ./$APP.desktop 2>/dev/null
CHANGEICON=$(cat ./$APP.desktop | grep Icon= | head -1)
sed -i "s#$CHANGEICON#Icon=/opt/$APP/icons/$APP#g" ./$APP.desktop 2>/dev/null

mv ./$APP.desktop /usr/share/applications/AM-$APP.desktop 2>/dev/null

# ICON
mkdir icons
wget https://portable-linux-apps.github.io/icons/$APP.png -O ./icons/$APP 2>/dev/null

# CHANGE THE PERMISSIONS
currentuser=$(who | awk '{print $1}')
chown -R $currentuser /opt/$APP

# MESSAGE
echo "
 $APP is provided by $site
"