#!/usr/bin/env bash

set -o nounset
set -o errexit
#set -o xtrace

fail() {
  echo $1 >&2
  exit 1
}

# yq eval                                                                                                                                                                  
yaml_files=($(find . -name '*.yml' -print))
if [ ${#yaml_files[@]} -gt 0 ]; then
  # yq eval --exit-status evaluates files returns a non-zero exit status:
  # override that exit status so this entire script doesn't exit prematurely
  broken_files=()
  for f in ${yaml_files[@]}; do
    yq --exit-status 'tag == "!!map" or tag== "!!seq"' >/dev/null 2>&1 $f || broken_files+=($f)
  done 
  #echo "${broken_files[@]}"
  #output=$(printf '%s\n' ${broken_files[@]})
  #echo "$output"
  if [ ${#broken_files[@]} -gt 0 ]; then
    echo 'The following files appear to contain invalid yaml:' >&2
  	printf '%s\n' ${broken_files[@]} >&2
	  exit 1
  fi
fi