update.rb

   1 #!/usr/bin/env ruby
   2 require 'git'
   3 require 'builder'
   4 require 'erb'
   5 require 'yaml'
   6
   7 def build_used_package_list(source_files)
   8         source_files.map do |source_file|
   9                 File.read(source_file).split("\n").reject do |l|
  10                         l.strip.start_with?('#') or l.strip == ""
  11                 end
  12         end.flatten
  13 end
  14
  15 used_packages = {
  16         :full => build_used_package_list(['grml-live/etc/grml/fai/config/package_config/GRMLBASE', 'grml-live/etc/grml/fai/config/package_config/GRML_FULL']),
  17 }
  18
  19 def build_package_list(packages, used)
  20         data = {}
  21         packages.each do |pkg|
  22                 next if not File.exists?(File.join(pkg, 'debian'))
  23                 begin
  24                         g = Git.open(working_dir = pkg)
  25                         #g.pull(Git::Repo, Git::Branch) # fetch and a merge
  26                 rescue ArgumentError
  27                         g = Git.bare(working_dir = pkg)
  28                 end
  29
  30                 current_head = g.gcommit('HEAD')
  31                 next if not current_head.parent
  32
  33                 p = {
  34                         :head_is_tagged => false,
  35                         :used => {},
  36                         :name => pkg,
  37                         :version => nil,
  38                         :has_tags => false,
  39                 }
  40                 used.each do |dist,l|
  41                         p[:used][dist] = l.include?(pkg)
  42                 end
  43
  44                 for tag in g.tags.reverse
  45                         p[:has_tags] = true
  46                         t = g.gcommit(tag.name)
  47                         next if not t.parent
  48                         #$stderr.puts "#{pkg}: Checking tag #{tag.name}: tag parent: #{t.parent.sha} HEAD: #{current_head.parent.sha}"
  49                         if t.parent.sha === current_head.parent.sha
  50                                 p[:head_is_tagged] = true
  51                                 p[:version] = tag.name
  52                                 break
  53                         end
  54                 end
  55
  56                 data[pkg] = p
  57         end
  58         data.values.sort { |x,y| x[:name] <=> y[:name] }
  59 end
  60
  61 packages = build_package_list(ARGV, used_packages)
  62
  63 template = ERB.new <<-EOF
  64 <!doctype html>
  65 <head>
  66   <meta charset="utf-8">
  67   <title>Grml.org Package Index</title>
  68   <link rel="stylesheet" href="style.css">
  69 </head>
  70 <body>
  71   <header>
  72   <h1>All Grml packages</h1>
  73   <p>Last update: <%= Time.now.to_s %></p>
  74   </header>
  75   <div id="main">
  76   <table>
  77   <tr>
  78   <th>Package</th><th>Git</th><th>Download</th><th>Fresh?</th><th>In FULL?</th>
  79   </tr>
  80   <% packages.each do |p| %>
  81   <tr>
  82   <td><%= p[:name] %></td>
  83   <td class="git"><a href="http://git.grml.org/?p=<%= p[:name] %>.git;a=summary">Git</a></td>
  84   <td class="download">
  85     <% if p[:has_tags] %>
  86     <a href="http://deb.grml.org/pool/main/<%= p[:name][0..0] %>/<%= p[:name] %>/">Download</a>
  87     <% end %>
  88   </td>
  89   <% if p[:head_is_tagged] %>
  90   <td class="ok">Version <%= p[:version] %></td>
  91   <% else %>
  92   <td class="error <% if p[:used][:full] %>important<% end %>">Untagged changes</td>
  93   <% end %>
  94   <td class="installed"><%= p[:used][:full] ? "Yes" : "No" %></td>
  95   </tr>
  96   <% end %>
  97   </table>
  98   </div>
  99   <footer>
 100   </footer>
 101 </body>
 102 </html>
 103 EOF
 104 File.open('index.html.new','w') do |f|
 105   f.write template.result(binding)
 106 end
 107 File.open('packages.yaml.new','w') do |f|
 108   f.write packages.to_yaml
 109 end
 110
 111 FileUtils.mv 'index.html.new', 'index.html'
 112 FileUtils.mv 'packages.yaml.new', 'packages.yaml'
 113