Filter output from sbt to reduce length of CI build log

travis-run-tests.sh

#!/usr/bin/env bash
# Licensed under the Apache License, Version 2.0
# Adapted from https://github.com/paulp/psp-std/blob/master/bin/test

runTests () {
  sbt test || exit 1
  echo "[info] $(date) - finished sbt test"
}

stripTerminalEscapeCodes () {
  sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[mGKM]//g"
}

mkRegex () { ( IFS="|" && echo "$*" ); }

filterOutput() {
  while read line; do
    if ! [[ $(echo $line | stripTerminalEscapeCodes) =~ $excludeRegex ]] ; then
      echo $line
    fi
  done
}

main() {
  # sbt output filter
  local excludeRegex=$(mkRegex \
    '\[info\] (Resolving|Loading|Updating|Packaging|Done updating)' \
    're[-]run with [-]unchecked for details' \
    'one warning found'
  )

  echo "[info] $(date) - starting sbt test"
  (set -o pipefail && runTests |& filterOutput)
}

main $@