CircleCI: Actually retry curl (capture error) (#772)

Author: Simran-B

.circleci/config.yml

@@ -88,17 +88,21 @@ jobs:
  mkdir -p .circleci && cd .circleci
  fetched=false
  for i in $(seq 1 6); do
- res=$(curl -fsS https://api.github.com/repos/arangodb/docs-hugo/contents/.circleci?ref=$CIRCLE_SHA1)
- status=$?
- if [[ "$status" -eq 0 ]]; then
- urls=$(echo "$res" | jq ".[].download_url")
- status=$?
- if [[ "$status" -eq 0 ]]; then
+ echo ""
+ res=$(curl -fsS https://api.github.com/repos/arangodb/docs-hugo/contents/.circleci?ref=$CIRCLE_SHA1) || curlStatus=$?
+ if [[ -z "${curlStatus:-}" ]]; then
+ urls=$(echo "$res" | jq ".[].download_url") || jqStatus=$?
+ if [[ -z "${jqStatus:-}" ]]; then
  fetched=true
  break
  fi
+ echo "jq failed with $jqStatus, input:"
+ echo "$res"
+ else
+ echo "curl failed with $curlStatus"
  fi
- echo "$res"
+ unset curlStatus
+ unset jqStatus
  sleep 10
  done
  if [[ "$fetched" = false ]]; then