Remove any existing xmpp install before starting new one

src/freedombone-app-xmpp

@@ -508,10 +508,10 @@ function remove_xmpp {
     remove_onion_service xmpp 5222 5223 5269
 
     apt-get -yq remove --purge prosody
-    if [ ! -f $INSTALL_DIR/$prosody_modules_filename ]; then
+    if [ -f $INSTALL_DIR/$prosody_modules_filename ]; then
         rm $INSTALL_DIR/$prosody_modules_filename
     fi
-    if [ ! -d $INSTALL_DIR/prosody-modules ]; then
+    if [ -d $INSTALL_DIR/prosody-modules ]; then
         rm -rf $INSTALL_DIR/prosody-modules
     fi
     if [ -d /etc/prosody ]; then
@@ -793,6 +793,18 @@ function install_xmpp_nightly {
 }
 
 function install_xmpp {
+    if [ ! -d $INSTALL_DIR ]; then
+        mkdir -p $INSTALL_DIR
+    fi
+
+    # remove any existing install attempt
+    if [ -f $INSTALL_DIR/$prosody_modules_filename ]; then
+        rm $INSTALL_DIR/$prosody_modules_filename
+    fi
+    if [ -d $INSTALL_DIR/prosody-modules ]; then
+        rm -rf $INSTALL_DIR/prosody-modules
+    fi
+
     update_prosody_modules
 
     if [[ $ONION_ONLY == 'no' ]]; then