append-sig-labels.sh

#!/usr/bin/env bash

set -e -o pipefail; [[ -n "$DEBUG" ]] && set -x

curl_opts=(--silent -L)
if [[ -n "$PAT" ]]; then
  curl_opts+=(-H "Authorization: token $PAT")
fi

cat | while read line; do
  pr_nums=($(echo "$line" | grep -o -e "#[0-9]\+" | cut -d"#" -f 2 ||:))
  if [[ "${#pr_nums[*]}" -eq 0 ]]; then
    echo "$line"
    continue
  fi

  sigs=()
  for pr_num in "${pr_nums[@]}"; do
    sigs+=( $(curl "${curl_opts[@]}" "https://api.github.com/repos/kubernetes/kubernetes/issues/${pr_num}/labels" | jq -r '.[] | select(.name | startswith("sig/")) | .name') )
  done

  if [[ "${#sigs[*]}" -eq 0 ]]; then
    echo "$line"
    continue
  fi
  echo "$line [$(IFS=","; echo "${sigs[*]}")]"
done
# vim: ai ts=2 sw=2 et sts=2 ft=sh