mail_preflight   [plain text]

#!/usr/bin/ruby

PARTITION_MAP_FILENAME = "/etc/dovecot/partition_map.conf"

def get_partition_map
  partition_map = {}
  File.open(PARTITION_MAP_FILENAME) do |f|
    while line = f.gets
      components = line.chomp.split(":")
      if components.length == 2
        partition_map[components[0]] = components[1]
      end
    end
  end
  partition_map
end

def find_first_missing_path(paths)
  paths.each do |path|
    return path unless File.exist?(path)
  end
  nil
end

partition_map = get_partition_map

while missing_path = find_first_missing_path(partition_map.values)
  system("/bin/wait4path", missing_path)
end

exec(*ARGV) unless ARGV.empty?

exit(0)