add support for custom data directory

scripts/_common.sh

@@ -8,6 +8,16 @@ pkg_dependencies="imagemagick acl tar smbclient at"
 YNH_PHP_VERSION="7.3"
 extra_php_dependencies="php${YNH_PHP_VERSION}-bz2 php${YNH_PHP_VERSION}-imap php${YNH_PHP_VERSION}-smbclient php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-apcu php${YNH_PHP_VERSION}-redis php${YNH_PHP_VERSION}-ldap php${YNH_PHP_VERSION}-imagick php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-igbinary php${YNH_PHP_VERSION}-bcmath"
 
+
+set_datadir() {
+  if [[ -f $final_path/config/config.php ]]; then
+    datadir=$(grep datadirectory < $final_path/config/config.php | sed "s/.*=>.'\([^']*\)'.*/\1/")
+  else
+    datadir="/home/yunohost.app/$app/data"
+  fi
+}
+
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================

scripts/backup

@@ -84,7 +84,9 @@ ynh_backup --src_path="/etc/cron.d/$app"
 #=================================================
 ynh_print_info --message="Backing up data directory..."
 
-ynh_backup --src_path="/home/yunohost.app/${app}/data" --is_big
+set_datadir
+
+ynh_backup --src_path="$datadir" --is_big
 
 #=================================================
 # END OF SCRIPT

scripts/restore

@@ -121,7 +121,7 @@ ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 #=================================================
 ynh_script_progression --message="Restoring data directory..." --weight=2
 
-datadir="/home/yunohost.app/$app/data"
+set_datadir
 
 # Use --not_mandatory for the data directory, because if the backup has been made with BACKUP_CORE_ONLY, there's no data into the backup.
 ynh_restore_file --origin_path="$datadir" --not_mandatory

scripts/upgrade

@@ -202,8 +202,8 @@ local mount_id=$(exec_occ files_external:create --output=json \
     && ynh_print_warn --message="Unable to create external storage" \
     || exec_occ files_external:option "$mount_id" enable_sharing true
 }
-# Define app's data directory
-datadir="/home/yunohost.app/$app/data"
+# Define app's data directory (defined in _common.sh)
+set_datadir
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then