Fixes restore script

Now makes sure dependencies are installed

scripts/functions.sh

@@ -2,6 +2,10 @@
 
 set -eu
 
+install_dependencies() {
+  sudo apt-get install --quiet --yes python-msgpack python-gevent
+}
+
 app_config_get() { 
   local app_config=$1
   local attribute=$2

scripts/install

@@ -6,10 +6,6 @@ set -eu
 source /usr/share/yunohost/helpers
 source functions.sh
 
-install_dependencies() {
-  sudo apt-get install --yes python-msgpack python-gevent
-}
-
 nginx_config_file() {
   local app=$1
   local domain=$2

scripts/restore

@@ -3,6 +3,14 @@ set -eu
 
 source /usr/share/yunohost/helpers
 
+# TODO: enable with fix of https://github.com/YunoHost/yunohost/pull/246
+# source .hfunctions
+
+# TODO: remove with fix of https://github.com/YunoHost/yunohost/pull/246
+install_dependencies() {
+  sudo apt-get install --quiet --yes python-msgpack python-gevent
+}
+
 main() {
   local app=$YNH_APP_INSTANCE_NAME
   local deploy_path=$(ynh_app_setting_get $app deploy_path)
@@ -15,6 +23,8 @@ main() {
 
   local url=$(ynh_app_setting_get $app url)
 
+  install_dependencies
+
   sudo yunohost app checkurl $url -a $app 
 
   sudo cp -a "./sources" $deploy_path