Added --update-all-with-notifications command for easier cron invocation

lib/git/repo_index.sh

@@ -60,6 +60,9 @@ function git_index() {
       _rebuild_git_index
     elif [ "$1" = "--update-all" ]; then
       _git_index_update_all
+    elif [ "$1" = "--update-all-with-notifications" ]; then
+      NOTIFY=true
+      _git_index_update_all
     elif [ "$1" = "--batch-cmd" ]; then
       _git_index_batch_cmd "${@:2:$(($#-1))}" # Pass all args except $1
     elif [ "$1" = "--list" ] || [ "$1" = "-l" ]; then