gem-ext-compile.rb

#!/usr/bin/env ruby
require 'pp'
require 'optparse'

options = {:can_skip_newerbundle=>true}
OptionParser.new do |opts|
  opts.banner = "Usage: gem-ext-compile-v2.rb [options]"

  opts.on("-v", "--[no-]verbose", "Run verbosely") do |v|
    options[:verbose] = v
  end
  opts.on("--[no-]skip-new-ruby", "skip if bundle newer than bin/ruby file") do |v|
    options[:can_skip_newerbundle] = v
  end
end.parse!
p options

RUBY_HOME="/usr/local/ruby_trunk"
RUBY_BIN="#{RUBY_HOME}/bin/ruby"
GEM_PATH = "#{RUBY_HOME}/lib/ruby/gems/2.4.0"
BUNDLE_FILES = Dir.glob "#{GEM_PATH}/**/*.bundle"

kvs = BUNDLE_FILES.group_by do |e|
  %r{/gems/(?<name>.+?)/|/extensions/.+?/.+?/(?<name>.+?)/} =~ e[GEM_PATH.size..-1]
  name ? name+'/'+File.basename(e) : nil
end

# pp kvs
p [BUNDLE_FILES.size, kvs.size]

File.open('/tmp/gem-ext-compile-v2.sh', 'w') do |f|
  f.puts '#!/bin/bash'
  f.puts
  kvs.each do |gem_name_ver, bundle_paths|
    if options[:can_skip_newerbundle] && bundle_paths.select {|f| File.stat(f).mtime < File.stat(RUBY_BIN).mtime }.empty?
      f.puts "# --- skip #{gem_name_ver}, #{bundle_paths.size} files newer than RUBY_BIN"
      f.puts
      next
    end

    pre_path = "#{GEM_PATH}/gems/#{gem_name_ver.split('/')[0]}"
    bundle_name = File.basename(bundle_paths[0]).chomp('.bundle')
    guest_path_1 = "#{pre_path}/**/#{bundle_name}"
    guest_path_2 = "#{pre_path}/**"
    source_dest = Dir.glob(["#{guest_path_1}/extconf.rb", "#{guest_path_1}/Makefile",
                            "#{guest_path_2}/extconf.rb", "#{guest_path_2}/Makefile"],0)[0]
    p [guest_path_1, guest_path_2, source_dest] if options[:verbose]
    unless source_dest
      f.puts "# ---- ERROR  not find extconf.rb or Makefile #{gem_name_ver} ----"
      f.puts
      next
    end

    cmd = "cd #{File.dirname(source_dest)}"
    f.puts %{echo -e "\${GREEN}#{cmd} \${WHITE}"}
    f.puts cmd

    if File.basename(source_dest) != 'Makefile'      
      cmd = "ruby extconf.rb"
      f.puts %{echo -e "\${RED}#{cmd} \${WHITE}"}
      f.puts cmd
    end

    cmd = "make"
    f.puts %{echo -e "\${RED}#{cmd} \${WHITE}"}
    f.puts cmd

    bundle_paths.map do |e|
      unless e==source_dest
        cmd = "ln -f #{File.dirname(source_dest)+'/'+File.basename(bundle_paths[0])} #{e}"
        f.puts %{echo -e "\${GREEN}#{cmd} \${WHITE}"}
        f.puts cmd
      end
    end
    
    cmd = "make clean"
    f.puts %{echo -e "\${RED}#{cmd} \${WHITE}"}
    f.puts cmd

    cmd = "cd -"
    f.puts %{echo -e "\${GREEN}#{cmd} \${WHITE}"}
    f.puts cmd
    
    f.puts %{echo -e "\\n\\n"}
    f.puts
    f.puts
  end
end