support quoted arguments

Signed-off-by: Evangelos Lamprou <vagos@lamprou.xyz>

Author: vagos

try

@@ -293,7 +293,13 @@ cd "$START_DIR" &&
 OLDPWD=$OLDPWD . "$script_to_execute"
 EOF
 
-    echo "$@" >"$script_to_execute"
+    {
+       printf '#!/bin/sh\nexec'
+       for arg in "$@"; do
+         printf ' %s' "'$(printf %s "$arg" | sed "s/'/'\"'\"'/g")'"
+       done
+       printf '\n'
+    } >"$script_to_execute"
 
     # `$script_to_execute` need not be +x to be sourced
     chmod +x "$mount_and_execute" "$chroot_executable"