Module: SNAP

Included in:

PRM::Repo

Defined in:

lib/prm/repo.rb

Instance Method Summary

• #snapshot_to(path, component, release, snapname, type, recent) ⇒ Object

Instance Method Details

#snapshot_to(path, component, release, snapname, type, recent) ⇒ Object

# File 'lib/prm/repo.rb', line 330

def snapshot_to(path,component,release,snapname,type,recent)
  if type != "deb"
    puts "Only deb supported"
    return
  end

  release.each do |r| 
    time = Time.new
    now = time.strftime("%Y-%m-%d-%H-%M")
    new_snap = "#{snapname}-#{now}"


    component.each do |c|
        if !File.exists?("#{path}/dists/#{r}/#{c}")
            puts "Component doesn't exist! To snapshot you need to have an existing component\n"
            return
        end
    end

    if File.exists?("#{path}/dists/#{r}/#{snapname}") && !File.symlink?("#{path}/dists/#{r}/#{snapname}") 
      puts "Snapshot target is a filesystem, remove it or rename your snap target"
      return
    end

    unless File.exists?("#{path}/dists/#{r}/#{new_snap}/")
      Dir.mkdir("#{path}/dists/#{r}/#{new_snap}")
    end

    if File.exists?("#{path}/dists/#{r}/#{snapname}")
        FileUtils.rm("#{path}/dists/#{r}/#{snapname}")
    end

    if recent
      component.each do |c|
          arch.each do |a|
              source_dir = "#{path}/dists/#{r}/#{c}/binary-#{a}"
              target_dir = "#{path}/dists/#{r}/#{new_snap}/binary-#{a}"
              pfiles = Dir.glob("#{source_dir}/*").sort_by { |f| File.mtime(f) }

              package_hash = Hash.new
              pfiles.each do |p|
                  file = p.split(/[_]/)
                  mtime = File.mtime(p)
                  date_in_mil = mtime.to_f
                  
                  if !package_hash.has_key?(file[0])
                      package_hash[file[0]] = { "name" => p, "time" => date_in_mil }
                  else
                      if date_in_mil > package_hash[file[0]]["time"]
                          package_hash[file[0]] = { "name" => p, "time" => date_in_mil }
                      end
                  end
              end

              if !File.exists?(target_dir)
                  FileUtils.mkdir_p(target_dir)
              end

              package_hash.each do |key,value|
                  value["name"].each do |k|
                      target_file = k.split("/").last
                      FileUtils.cp(k, "#{target_dir}/#{target_file}")
                  end
              end

          end

          FileUtils.ln_s "#{new_snap}", "#{path}/dists/#{r}/#{snapname}", :force => true
          puts "Created #{snapname} snapshot of #{component} with --recent flag\n"
      end
    else
      FileUtils.cp_r(Dir["#{path}/dists/#{r}/#{component}/*"], "#{path}/dists/#{r}/#{new_snap}")
      if File.exists?("#{path}/dists/#{r}/#{snapname}")
          FileUtils.rm("#{path}/dists/#{r}/#{snapname}")
      end
      FileUtils.ln_s "#{new_snap}", "#{path}/dists/#{r}/#{snapname}", :force => true
      puts "Created #{snapname} snapshot of #{component}\n"
    end
  end
end