chart-updates

#!/usr/bin/env bash

cd "$(dirname "${BASH_SOURCE[0]}")/.."
. bin/util.sh

if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
  echo "Usage: $0 [-h|--help]"
  echo "List helm charts in the current repository that are outdated."
  exit
fi

check_command_exists helm version
check_command_exists helmfile
check_command_exists yq

# Add repository indexes
helmfile repos
index=$(helm search repo -o yaml | yq -r '.[]  as $item ireduce ({}; . * {($item.name): $item.version})')

ok=""
warn=""
err=""

while read chart
do
  name=$(echo "$chart" | cut -d $'\t' -f 1)
  version=$(echo "$chart" | cut -d $'\t' -f 2)
  listed_version=$(echo "$index" | yq ".\"$name\"")

  if [ "$listed_version" != "$version" ]; then
    if [[ "$name" == *"radar/"* ]]; then
      err+="$name ERROR $version $listed_version\n"
    else
      warn+="$name WARNING $version $listed_version\n"
    fi
  else
    ok+="$name OK $version $listed_version\n"
  fi
done < <(helmfile list --output json | yq ".[] | [.chart, .version] | @tsv")

printf "NAME STATUS VERSION LATEST\n$ok$warn$err" | column -t

exit $(printf "$err" | wc -l)