Module: Gemjam

Defined in:
lib/gemjam.rb,
lib/gemjam/version.rb

Constant Summary collapse

VERSION = 
"0.0.6"

Instance Method Summary collapse

Instance Method Details

#bundle_install(jruby, quiet = false, opts = {}) ⇒ Object

install the bundle, using jruby command jruby

sets $? with that commands return value



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# File 'lib/gemjam.rb', line 96

def bundle_install(jruby, quiet = false, opts = {})
  ex_opts = opts.map {|k,v| [k,v] }.join(" ")
  cmd("#{jruby} -S bundle install --path ./vendor/bundle/ #{ex_opts}", quiet)
end

#bundler_vendor_dir ⇒ Object 



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# File 'lib/gemjam.rb', line 101

def bundler_vendor_dir
  return ["vendor","bundle",
          RbConfig::CONFIG["ruby_install_name"],
          RbConfig::CONFIG["ruby_version"]].join("/")

end

#cmd(cmd_str, quiet = false) ⇒ Object

runs cmd, and sets $? with that commands return value



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# File 'lib/gemjam.rb', line 60

def cmd(cmd_str, quiet = false)
  p cmd_str unless quiet
  IO.popen(cmd_str) do |f|
    loop do
      buf = f.read(1)
      break if buf.nil?
      unless quiet
        print buf
        $stdout.flush
      end
    end
  end
end

#gem_install(jruby, basedir, gemname, quiet = false) ⇒ Object

install rubygem gemname to directory basedir using jruby command jruby

sets $? with that commands return value



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# File 'lib/gemjam.rb', line 77

def gem_install(jruby, basedir, gemname, quiet = false)
  if gemname.include?(",")
    g, v = gemname.split(",",2)
    cmd("#{jruby} -S gem install -i #{basedir} #{g} -v=#{v}", quiet)
  else
    cmd("#{jruby} -S gem install -i #{basedir} #{gemname}", quiet)
  end
end

#main(args) ⇒ Object 



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# File 'lib/gemjam.rb', line 156

def main(args)
  o = parse_args(args)
  p o unless o[:quiet]

  run(o)
end

#make_jar(jarname, dirname, quiet = false) ⇒ Object

pack up the installed gems in dirname, to jar file jarname

sets $? with that commands return value



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# File 'lib/gemjam.rb', line 89

def make_jar(jarname, dirname, quiet = false)
  cmd("jar cf #{jarname} -C #{dirname} .", quiet)
end

#parse_args(args) ⇒ Object 



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# File 'lib/gemjam.rb', line 16

def parse_args(args)
  options = {
    :quiet => false,
    :jruby => "jruby",
    :gems  => [],
  }
  opts = OptionParser.new do |opts|
    opts.banner = File.basename(__FILE__) + "[-b [Gemfile]] [-g gem[,version]]..."
    opts.on("-o", "--output FILENAME", "output to jar FILENAME") do |o|
      options[:output] = o
    end
    opts.on("-c", "--cache", "preserve the cach/*.gem files in the jar") do |o|
      options[:cache] = o
    end
    opts.on("-q", "--quiet", "less output") do |o|
      options[:quiet] = o
    end
    opts.on("-j", "--jruby CMD", "CMD to use to call jruby (Default '#{options[:jruby]}')") do |o|
      options[:jruby] = o
    end
    opts.on("-g", "--gem GEMNAME", "GEMNAME to install. If ',<version>' is a append, it will specify that version of the gem") do |o|
      options[:gems] << o
    end
    opts.on("-b", "--bundle [GEMFILE]", "make the gemjar from a current directory Gemfile or specified") do |o|
      if o.nil? and ! FileTest.file?("Gemfile")
        raise "No Gemfile present or provided"
      end
      options[:bundle] = if o.nil?
                           File.join(Dir.pwd, "Gemfile")
                         else
                           File.expand_path(o)
                         end
    end
    opts.on("--with WITH", "bundle install --with 'foo bar' (if needed)") do |o|
      options[:bundle_with] = o
    end
    opts.on("--without WITHOUT", "bundle install --without 'foo bar' (if needed)") do |o|
      options[:bundle_without] = o
    end
  end.parse!(args)
  return options
end

#run(opts) ⇒ Object 



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# File 'lib/gemjam.rb', line 108

def run(opts)
  tmpdir = Dir.mktmpdir
  begin
    cwd = Dir.pwd
    if opts[:bundle]

      b_opts = {}
      b_opts["--with"] = opts[:bundle_with] if opts[:bundle_with]
      b_opts["--without"] = opts[:bundle_without] if opts[:bundle_without]

      FileUtils.cd tmpdir
      FileUtils.cp opts[:bundle], "Gemfile"
      if FileTest.file?("#{opts[:bundle]}.lock")
        FileUtils.cp "#{opts[:bundle]}.lock", "Gemfile.lock"
        b_opts["--deployment"] = ""
        bundle_install(opts[:jruby], opts[:quiet], b_opts)
      else
        bundle_install(opts[:jruby], opts[:quiet], b_opts)
      end
      FileUtils.cd cwd
      abort("FAIL: bundler returned: #{$?}") if $? != 0
    end

    opts[:gems].each do |gem|
      gem_install(opts[:jruby], File.join(tmpdir, bundler_vendor_dir), gem, opts[:quiet])
      abort("FAIL: gem install returned: #{$?}") if $? != 0
    end

    # the ./cache/*.gems just duplicates the size of this jar
    unless opts[:cache]
      FileUtils.remove_entry_secure(File.join(tmpdir, bundler_vendor_dir, "cache"), true)
    end

    jarname = opts[:output] ? opts[:output] : File.basename(tmpdir) + ".jar"
    make_jar(jarname, File.join(tmpdir, bundler_vendor_dir), opts[:quiet])
    abort("FAIL: jar packaging returned: #{$?}") if $? != 0

    if opts[:quiet]
      puts jarname
    else
      puts "Created #{jarname}"
    end
  ensure
    # remove the directory.
    FileUtils.remove_entry_secure(tmpdir, true)
  end
end