Avoid trying to source non-script files

Author: TheAssassin

ldnp/abstractpackager.py

@@ -169,6 +169,10 @@ def create_binary_script(script_path: str | os.PathLike, target_binary: str | os
                             f'script_dir="$APPDIR/apprun-hooks"',
                             f'if [ -d "$script_dir" ]; then',
                             '    for script in "$script_dir"/*; do',
+                            "        # some plugins put non-script files in the directory"
+                            "        # we do our best to avoid running them by accident",
+                            '        [[ ! -f "$script" ]] && continue',
+                            "",
                             "        # shellcheck disable=SC1090",
                             '        . "$script"',
                             "    done",