initial commit

Author: hone

Dockerfile

@@ -0,0 +1,11 @@
+FROM fabiokung/cedar
+MAINTAINER hone
+
+# setup workspace
+RUN rm -rf /tmp/workspace
+RUN mkdir -p /tmp/workspace
+
+# output dir is mounted
+
+ADD build.rb /tmp/build.rb
+CMD ["ruby", "/tmp/build.rb", "/tmp/workspace", "/tmp/output"]

build.rb

@@ -0,0 +1,92 @@
+#!/usr/bin/env ruby
+
+require 'tmpdir'
+require 'fileutils'
+
+def pipe(command)
+  output = ""
+  IO.popen(command) do |io|
+    until io.eof?
+      buffer = io.gets
+      output << buffer
+      puts buffer
+    end
+  end
+
+  output
+end
+
+workspace_dir = ARGV[0]
+output_dir    = ARGV[1]
+
+vendor_url   = "https://s3.amazonaws.com/#{ENV['S3_BUCKET_NAME'] ? ENV['S3_BUCKET_NAME'] : 'heroku-buildpack-ruby'}"
+full_version = ENV['VERSION']
+full_name    = "ruby-#{full_version}"
+version      = full_version.split('-').first
+name         = "ruby-#{version}"
+major_ruby   = version.match(/\d\.\d/)[0]
+build        = false
+build        = true if ENV["BUILD"]
+debug        = nil
+debug        = true if ENV['DEBUG']
+jobs         = ENV['JOBS'] || 2
+rubygems     = ENV['RUBYGEMS_VERSION'] ? ENV['RUBYGEMS_VERSION'] : nil
+git_url      = ENV["GIT_URL"]
+
+if git_url
+  url, treeish = git_url.split('#', 2)
+  full_name    = "ruby"
+  pipe "git clone #{url}"
+else
+  pipe "curl http://ftp.ruby-lang.org/pub/ruby/#{major_ruby}/#{full_name}.tar.gz -s -o - | tar zxf -"
+end
+
+Dir.mktmpdir("ruby-vendor-") do |vendor_dir|
+  Dir.chdir(vendor_dir) do
+    `curl "#{vendor_url}/libyaml-0.1.5.tgz" -s -o - | tar zxf -`
+    `curl "#{vendor_url}/libffi-3.0.10.tgz" -s -o - | tar zxf -`
+    `curl http://production.cf.rubygems.org/rubygems/rubygems-#{rubygems}.tgz -s -o - | tar xzf -` if rubygems
+  end
+
+  prefix = "/app/vendor/#{name}"
+  prefix = "/tmp/#{name}" if build
+
+  puts "prefix: #{prefix}"
+
+  Dir.chdir(full_name) do
+    pipe "git checkout #{treeish}" if treeish
+
+    if debug
+      configure_env = "optflags=\"-O0\" debugflags=\"-g3 -ggdb\""
+    else
+      configure_env = "debugflags=\"-g\""
+    end
+
+    configure_opts = "--disable-install-doc --prefix #{prefix}"
+    configure_opts += " --enable-load-relative" if major_ruby != "1.8" && version != "1.9.2"
+    puts "configure env:  #{configure_env}"
+    puts "configure opts: #{configure_opts}"
+    cmds = [
+      "#{configure_env} ./configure #{configure_opts}",
+      "env CPATH=#{vendor_dir}/include:\\$CPATH CPPATH=#{vendor_dir}/include:\\$CPPATH LIBRARY_PATH=#{vendor_dir}/lib:\\$LIBRARY_PATH make -j#{jobs}",
+      "make install"
+    ]
+    cmds.unshift("#{configure_env} autoconf") if git_url
+    pipe(cmds.join(" && "))
+  end
+  if rubygems
+    Dir.chdir("#{vendor_dir}/rubygems-#{rubygems}") do
+      pipe("#{prefix}/bin/ruby setup.rb")
+    end
+    gem_bin_file = "#{prefix}/bin/gem"
+    gem = File.read(gem_bin_file)
+    File.open(gem_bin_file, 'w') do |file|
+      file.puts "#!/usr/bin/env ruby"
+      lines = gem.split("\n")
+      lines.shift
+      lines.each {|line| file.puts line }
+    end
+  end
+  pipe "ls #{prefix}"
+  pipe("tar czPf #{output_dir}/#{name}.tgz #{prefix}/*")
+end