Contents

require 'tmpdir'
require 'set'
require_relative 'helper'
require_relative 'rpm'
require_relative 'pkgs'
require_relative 'elf'

module Dply
  class Deplist

    include Helper

    BASE_PACKAGES = Set["glibc", "libgcc", "libstdc++", "openssl", "ruby-alt", "jemalloc"]

    def initialize(tar_path)
      @tar_path = Pathname.new(tar_path).realpath
    end

    def verify!
      error "#{@tar_path} not readable" if not File.readable? @tar_path
      tmp_dir do
        logger.info "(in #{Dir.pwd})"
        cmd "tar xf #{@tar_path}"
        pkgs_list = Pkgs.new("pkgs.yml").runtime

        @libs_files_map = libs_files_map
        libs = @libs_files_map.keys

        if logger.debug?
          require 'pp'
          pp @libs_files_map
        end

        deps = Rpm.libs_pkgs_map libs
        verify_deps(deps, pkgs_list)
      end
    end

    private

    def verify_deps(deps, pkgs_list)
      deps.each do |lib, pkgs|
        next if pkgs.find { |pkg| BASE_PACKAGES.include? pkg }
        if not pkgs.any? { |pkg| pkgs_list.include? pkg }
          logger.error "missing from pkgs.yml : any of #{pkgs} (lib: #{lib}, files: #{@libs_files_map[lib]})"
          @error = true
        end
      end
      error "packages dependencies not satisfied" if @error
      puts "all dependencies satisfied".green
    end

    def tmp_dir(&block)
      dir = File.exist?("tmp") ? "tmp" : "/tmp"
      Dir.mktmpdir(nil, dir) do |d|
        Dir.chdir(d) { yield }
      end
    end

    def libs_files_map
      libs = {}
      Dir["./**/*"].each do |f|
        next if not Elf.elf? f
        dynamic_libs(f).each do |l|
          libs[l] ||= []
          libs[l] << f
        end
      end
      return libs
    end

    def dynamic_libs(file)
      Elf.new(file).external_libs
    end

  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
dply-0.3.3	lib/dply/deplist.rb
dply-0.3.2	lib/dply/deplist.rb
dply-0.3.1	lib/dply/deplist.rb
dply-0.3.0	lib/dply/deplist.rb