/usr/share/tripleo-image-elements/os-refresh-config/install.d/99-os-refresh-config-install-scripts is in python-tripleo-image-elements 0.7.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | #!/bin/bash
set -eux
SCRIPT_BASE=$(os-refresh-config --print-base)
SCRIPT_SOURCE=$(dirname $0)/../os-refresh-config
rsync -r $SCRIPT_SOURCE/ $SCRIPT_BASE/
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