Fix bash-completion

Author: dashohoxha

bash-completion.sh

@@ -1,7 +1,5 @@
 # bash completions for the command `ds restore`
 _ds_restore() {
-    local cur=${COMP_WORDS[COMP_CWORD]}     ## $1
-    if [[ $COMP_CWORD -eq 2 ]]; then
-        COMPREPLY=( $(compgen -f -X "!*.tgz" -- $cur) )
-    fi
+    local files_tgz=$(ls $(_ds_container_dir) | grep '\.tgz$')
+    COMPREPLY=( $(compgen -W "$files_tgz" -- $1) )
 }