high sierra compatibility

10.13_compat_homebrew.sh

echo "type in a brew package name and press enter"
echo "to end your queries, send EOF (Ctrl+D)"
echo "> "
while read -r package
do
  brew info $package | \
  awk '/^From:/{
    gsub(/github.com/,"raw.githubusercontent.com")
    gsub(/\/blob\//,"/")
    print $2
  }' | \
  xargs curl -s > tmp.txt
  grep -c 'bottle :unneeded' tmp.txt > /dev/null
  if [[ $? -eq 0 ]]
  then
    echo "bottle not needed";
  else
    grep -c ':high_sierra' tmp.txt > /dev/null
    if [[ $? -eq 0 ]]
    then
      echo "high sierra supported"
    else
      echo "high sierra NOT supported"
    fi
  fi
  echo "> "
done