#!/usr/bin/env bash

# This script reliably compares the differences between two YAML files
# even with differeing nested values (useful for Helm values files
# comparisons and more). Note that the resulting diff CANNOT be reliably
# used as a patch against the YAML file since the comments are stripped
# during the comparison.

[[ -z $(command -v yq) ]] && echo "missing yq command" && exit 1
exec diff <(yq 'sort_keys(..) | ... comments=""' -P "$1") <(yq 'sort_keys(..) | ... comments=""' -P "$2")