Crawl jenkins project structure through the api to find all builds started after timestamp

recentBuilds.sh

#!/usr/bin/env bash

# To find all builds started within three hours of current time
# ./recentBuilds.sh "$(( $(date +%s) - ( 60 * 60 * 3) ))"

cutoff=$1

if [[ -z $cutoff ]]; then
  echo "Please provide a unix timestamp as a cutoff time"
  exit 1
fi

cutoff="${cutoff}000"

api_url='http://your.jenkins.com'
job_api_filter='/api/json?tree=duration,timestamp,building,url'
folder_api_filter='/api/json?tree=jobs\[url\]'
jq_get_job='if .building == "true" then "\(.url)" elif .duration + .timestamp >= '"$cutoff"' then "\(.url)" else "null" end'
jq_get_job_urls='.jobs | map(select(._class|test(".*Job")) | .url ) | .[]'
jq_get_folder_urls='.jobs | map ( select(._class|test("(Project$|Folder$)+")) | .url) | .[]'

check_job() {
  local job_url=$1
  #echo "Checking job ${job_url}/lastBuild${job_api_filter}"
  json_response=$(curl --fail -s "${job_url}/lastBuild${job_api_filter}")
  [[ $? -ne 0 ]] && return
  jq -r "$jq_get_job" <<< "$json_response" 2>/dev/null
}

check_folder() {
  local folder_url=$1

  #echo "checking folder ${folder_url}${folder_api_filter}"
  json_response=$(curl -s "${folder_url}${folder_api_filter}")
  while IFS= read -r job_url; do
    [[ -z "$job_url" ]] && continue
    check_job "$job_url"
  done <<< "$(jq -r "$jq_get_job_urls" <<< "$json_response" 2>/dev/null)" | grep -v "^null$"

  while IFS= read -r folder_url; do
    [[ -z "$folder_url" ]] && continue
    check_folder "$folder_url"
  done <<< "$(jq -r "$jq_get_folder_urls" <<< "$json_response" 2>/dev/null )"
}

check_folder "$api_url"