retroarch_ynh/scripts/upgrade

#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Downward Compatibility checks..." --weight=1

#move from /opt/yunohost to /var/www : symbolic link will be remade by multimedia dir
if ynh_compare_current_package_version --comparison lt --version 1.15.0~ynh3; then
	if [ -L /home/yunohost.multimedia/share/Game ]; then
		#ynh_secure_remove --file="/home/yunohost.multimedia/share/Game"
		rm /home/yunohost.multimedia/share/Game #ynh_secure_remove does not remove link
	fi
fi
#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=5

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir"
	#7z archive not handled by ynh and no way to strip component, have to move it manually
	7zr x $install_dir/main -o$install_dir
	#mv not working as target directory is not empty
	cp -R $install_dir/retroarch/* $install_dir/
	ynh_secure_remove --file="$install_dir/main"
	touch $install_dir/analytics.js #https://github.com/libretro/RetroArch/issues/4539#issuecomment-473345195
	#Get the indexer as exe so that folder w/ ROMs can be indexed
	chmod +x $install_dir/indexer
fi

# SETUP CRON FILE FOR INDEXER

#setup indexer bash script
ynh_add_config --template="../conf/indexer.sh" --destination="$install_dir/indexer.sh"
chown www-data: $install_dir/indexer.sh
chmod 744 $install_dir/indexer.sh
#setup cron file
cron_path="/etc/cron.d/$app"
ynh_add_config --template="../conf/retroarch.cron" --destination="$cron_path"
chown root: "$cron_path"
chmod 644 "$cron_path"

#=================================================
#SETTING MULTIMEDIA DIRECTORY
#=================================================
ynh_script_progression --message="Setting up Multimedia directory..." --weight=4

ynh_multimedia_build_main_dir
mkdir -p $install_dir/assets/cores/Game
ynh_multimedia_addfolder --source_dir="$install_dir/assets/cores/Game" --dest_dir="/share/Game"
ynh_add_config --template="../conf/README.GAME" --destination="$install_dir/assets/cores/Game/README"
chmod 666 $install_dir/assets/cores/Game/README

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=20

# Define and install dependencies
#Dependencies are not really required as this is just to unzip the 7z file
#However, npm IS required to run the coffeescript
ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_use_nodejs
ynh_npm install -g coffeescript

#=================================================
# SPECIFIC UPGRADE
#=================================================
# Set permissions on app files
#=================================================

chown -R www-data:multimedia $install_dir
# Requested so that multimedia group can see the Game folder : all parent folder should be readable by others 
chmod 750 $install_dir

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed" --last