WIP for upgrade

scripts/upgrade

@@ -9,21 +9,8 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-# Settings are automatically loaded as bash variables
-# in every app script context, therefore typically these will exist:
-# - $domain
-# - $path
-# - $language
-# - $install_dir
-# - $port
-# ...
-
 redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
 
-# In the context of upgrade,
-# - resources are automatically provisioned / updated / deleted (depending on existing resources)
-# - a safety backup is automatically created by the core and will be restored if the upgrade fails
-
 ### This helper will compare the version of the currently installed app and the version of the upstream package.
 ### $upgrade_type can have 2 different values
 ### - UPGRADE_APP if the upstream app version has changed
@@ -37,25 +24,6 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-#ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
-#
-# N.B. : the following setting migration snippets are provided as *EXAMPLES*
-# of what you may want to do in some cases (e.g. a setting was not defined on
-# some legacy installs and you therefore want to initiaze stuff during upgrade)
-#
-
-# If db_name doesn't exist, create it
-#if [ -z "$db_name" ]; then
-#	db_name=$(ynh_sanitize_dbid --db_name=$app)
-#	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
-#fi
-
-# If install_dir doesn't exist, create it
-#if [ -z "$install_dir" ]; then
-#	install_dir=/var/www/$app
-#	ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
-#fi
 
 #=================================================
 # STOP SYSTEMD SERVICE