Library/Contributions/cmds/brew-server

#!/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby

## brew server: Run a local webserver for browsing available and installed brews.
# Note: this external command is ruby, but set up as a shell script, so that it gets exec'd.
# This is required for sinatra's run-loop to take over.

$:.unshift(ENV['HOMEBREW_LIBRARY_PATH'])

require 'global'
require 'formula'

require 'rubygems'

begin
  require 'sinatra'
rescue LoadError
  onoe 'Sinatra required but not found'
  puts 'To install: /usr/bin/gem install sinatra'
  exit 1
end

require 'cgi'


def link_to_formula name
  "<a href=\"/formula/#{CGI.escape(name)}\">#{name}</a>"
end

def css_style
  "" # No CSS defined yet.
end

def search_form
  <<-EOS
    <form action="/search">
      Search: <input name="q" type="text"> <input type="submit">
    </form>
  EOS
end

def html_page
  body = <<-HTML
  <html>
    <head>
      <title>Homebrew Menu</title>
      #{css_style}
    </head>
    <body>
      <div id="wrap">
  			<div id="header">
  				<h1><a href="./">Homebrew</a></h1>
  				<p id="subtitle"><strong>The missing package manager for OS X</strong></p>
                                <p id="installed"><a href="/installed">Show installed packages</a></p>
  			</div>

  			<div id="informations">
  HTML
  yield body
  body += <<-HTML
        </div>
      </div>
    </body>
  </html>
  HTML
  return body
end

get '/' do
  return html_page do |s|
    s << <<-HTML
    <div class="row">#{search_form}</div>
    <div class="row">
      <ul>
    HTML
    Formula.names do |name|
      s << "<li>#{link_to_formula(name)}</li>"
    end
    s << <<-HTML
      </ul>
    </div>
    HTML
  end
end

get '/search' do
  q = params['q']
  results = search_brews(q)

  s = <<-HTML
    <html>
    <head>
      <title>Search Results</title>
      #{css_style}
    </head>
    <body>
    <h1>Results</h1>
    #{search_form}
    <h4>Searched for &ldquo;#{q}&rdquo;</h4>
    <ul>
  HTML

  results.each do |name|
    s << "<li>#{link_to_formula(name)}</li>"
  end

  s += <<-HTML
    </ul>
    </body>
  </html>
  HTML

  return s
end

get '/formula/:name' do
  klass = Formula.factory(params[:name])

  installed = klass.installed? ? "Installed at" : "Not installed."
  installed_dd = klass.installed? ? "<a href=\"file://#{klass.prefix}\">#{klass.prefix}</a>" : ""

  s = ""
  s << <<-HTML
    <html>
      <head>
        <title>Formula: #{klass.name}</title>
        #{css_style}
      </head>
      <body>
        <div>&larr; <a href="/">Back to menu</a></div>
        <h1>#{klass.name}</h1>
        <dl>
          <dt>Version</dt>
            <dd>#{klass.version}</dd>

          <dt>Homepage</dt>
            <dd><a href="#{klass.homepage}">#{klass.homepage}</a></dd>

          <dt>Download</dt>
            <dd><a href="#{klass.url}">#{klass.url}</a></dd>

          <dt>#{installed}</dt>
            <dd>#{installed_dd}</dd>
  HTML

  unless klass.deps.count == 0
    s << <<-HTML
            <dt>Depends on</td>
    HTML
    klass.deps.each do |dep|
      s << "<dd>#{link_to_formula(dep.name)}</dd>"
    end
  end

  used_by = Formula.all.select{|ff| ff.deps.include?(klass.name)}.map{|f| f.name}.flatten.uniq.sort
  unless used_by.empty?
    s << <<-HTML
            <dt>Used by</td>
    HTML
    if used_by != nil
      used_by.each do |name|
        s << "<dd>#{link_to_formula(name)}</dd>"
      end
    end
  end

  s += <<-HTML
        </dl>
      </body>
    </html>
  HTML

  return s
end


def installed_formulas
  Formula.all.select{|formula| formula.installed?}
end

get '/installed' do

  s = <<-HTML
    <html>
    <head>
      <title>Installed Formulas</title>
      #{css_style}
    </head>
    <body>
     <h1>Installed Fomulas</h1>
    <ul>
  HTML

  installed_formulas.each do |formula|
    s << "<li>#{link_to_formula(formula.name)}</li>"
  end

  s += <<-HTML
    </ul>
    <div>&larr; <a href="/">Back to menu</a></div>
    </body>
  </html>
  HTML

  return s
end


puts "View our tasting menu at http://localhost:4567/\nUse \"Control-C\" to exit.\n\n"