#!/bin/bash -e

# define local jenkins env
jenkins_url=https://localhost:8080
jenkins_home=/work/jenkins
jobs_dir=${jenkins_home}/jobs

# build dir date pattern
date_pat="^[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}_[0-9]{2}-[0-9]{2}-[0-9]{2}$"

# Check All jobs
for job_dir in ${jobs_dir}/*; do
    [ ! -d "${job_dir}" ] && continue
    job=$(basename "${job_dir}")
    echo "Checking $job..." >&2
    # check for invalid links
    for build_link in $(cd "${jobs_dir}/${job}/builds/" && find * -type l ! -name "last*" -prune); do
        build_link="${jobs_dir}/${job}/builds/${build_link}"
        [ -d "${build_link}" ] && continue
        if [[ "$1" == "-c" ]]; then
            echo "Removing build_link: ${build_link}"  
            unlink "${build_link}"
        else
            echo "Invalid build_link: ${build_link}"
            ls -lad "${build_link}"
        fi
    done
    # check for invalid build directories
    for build_dir in $(cd "${jobs_dir}/${job}/builds" && find * -type d -prune); do
        build_dir="${jobs_dir}/${job}/builds/${build_dir}"
        build_xml="${build_dir}/build.xml"
        # check for no build information file
        if [ ! -f "${build_dir}/build.xml" ]; then
            if [[ "$1" == "-c" ]]; then
                echo "Removing build_dir: ${build_dir}"  
                rm -rf "${build_dir}"
            else
                echo "Invalid build_dir: ${build_dir}"
                ls -la "${build_dir}"
            fi
            continue
        fi
        build_number=$(perl -n -e'/^  <number>(\d+)<\/number>$/ && print $1' "${build_xml}")
        build_link="${jobs_dir}/${job}/builds/${build_number}"
        build_date=$(basename "${build_dir}")
        # check non-existent symbolic link
        if [ ! -L "${build_link}" ]; then
            # check directories with unparseable dates (JENKINS-15587)
            if [[ ! "${build_date}" =~ ${date_pat} ]]; then
                if [[ "$1" == "-c" ]]; then
                    echo "Removing build_dir: ${build_dir}"  
                    rm -rf "${build_dir}"
                else
                    echo "Unparseable date from build_dir: ${build_dir}"
                    echo "     expected build_link: ${build_link}"
                fi
            elif [[ "$1" == "-c" ]]; then
                echo "Overriding build link in ${job} : ${build_number} -> ${build_date}"
                [ -d "${build_link}" ] && rm -rf "${build_link}"
                ln -s ${build_date} "${build_link}"
            else
                echo "Missing build link in ${job} : ${build_number} -> ${build_date}"
            fi
        fi
    done
done | tee "${jenkins_home}/userContent/invalid_builds.txt"
echo "List updated in $(date)" >> "${jenkins_home}/userContent/invalid_builds.txt"