#!/usr/bin/env bash

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

set -eux

retry() {
  local max_retries=$1
  shift
  local n=0
  until [ "$n" -ge "$max_retries" ]
  do
      "$@" && break
      n=$((n+1))
      if [ "$n" -eq "$max_retries" ]; then
          echo "failed to update after attempt $n / $max_retries, giving up"
          exit 1
      fi

      WAIT=$(python3 -c 'import random; print(random.randint(30, 200))')
      echo "failed to update $n / $max_retries, waiting $WAIT to try again"
      sleep "$WAIT"
  done
}
