Pull Latest Files from Package Cloud for SIMP - Must be run in a directory with RPMs that you wish to overwrite

package_cloud_simp_pull.rb

#!/usr/bin/env ruby

LOCK=true
#URL='https://packagecloud.io/simp-project/4_X/packages/el/6'
#URL='https://packagecloud.io/simp-project/4_X_Dependencies/packages/el/6'
#URL='https://packagecloud.io/simp-project/5_X/packages/el/7'
#URL='https://packagecloud.io/simp-project/5_X_Dependencies/packages/el/7'
#URL='https://packagecloud.io/simp-project/6_X_Alpha/packages/el/7'
#URL='https://packagecloud.io/simp-project/6_X_Alpha_Dependencies/packages/el/7'
#URL='https://packagecloud.io/simp-project/6_X/packages/el/7'
URL='https://packagecloud.io/simp-project/6_X/packages/el/6'

DRY_RUN=true

if LOCK
  $stderr.puts("Modify #{$0} properly before proceeding!")
  exit(1)
end

if DRY_RUN
  puts("WARNING: Running in DRY_RUN Mode!")
end

require 'net/http'
require 'fileutils'

Dir.glob('*.rpm').each do |rpm|
  rpm_name = File.basename(rpm)

  rpm_url = [URL, rpm, 'download'].join('/')
  rpm_url = URI.parse(rpm_url)

  req = Net::HTTP.new(rpm_url.host, rpm_url.port)
  req.use_ssl = true

  res = req.request_head(rpm_url.path)

  if res.code == '404'
    puts("Skipping: #{rpm_name}") && next
  else
    puts("Overwriting: #{rpm_name}")

    unless DRY_RUN
      FileUtils.mv(rpm, "#{rpm}.bak")

      curl_cmd = %(curl -# -L -o #{rpm} #{rpm_url})

      system(curl_cmd)
      
      %x(file "#{rpm}" | grep -q 'RPM')

      if $?.success?
        FileUtils.rm("#{rpm}.bak")
      else
        puts("Download Error for: #{rpm_name}")

        FileUtils.remove_entry_secure(rpm)
        FileUtils.mv("#{rpm}.bak", rpm)
      end
    end
  end
end