test input with jq, if ok then show input, otherwise exit with non 0 exit code

if_jq.sh

#!/bin/sh

# test input with jq, if ok then show input, otherwise exit with non 0 exit code
# echo '{"success": true}' | jq -e '.success | select(. == true)' # => {"success": true}
# echo '{"success": false}' | jq -e '.success | select(. == true)' # => exit code non 0

input=`cat`;

if echo "$input" | jq -e "$1" > /dev/null ; then
  echo "$input"
else
  exit $?
fi