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update.rb
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update.rb
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#!/usr/bin/env ruby
require 'git'
require 'erb'
require 'yaml'
require 'net/http'
require 'uri'
require 'zlib'
require 'yaml'
DEBUG = false
def build_used_package_list(source_uri)
source_uri.map do |source_uri|
fetch_file(source_uri).split("\n").reject do |l|
l.strip.start_with?('#') or l.strip == ""
end
end.flatten
end
def parse_debian_sources(data)
data.split("\n").push('').inject({}) do |pkgs, l|
l.rstrip!
pkg = pkgs[:_tmp] || {}
if pkg[:_tmp]
if l[0..0] == ' ' then
pkg[:_tmp][:data] << l.strip
else
pkg[pkg[:_tmp][:hdr]] = pkg[:_tmp][:data].compact
pkg.delete :_tmp
end
end
unless pkg[:_tmp]
if l == '' then
pkgs[pkg['Package'][0]] = pkg
pkg = nil
else
hdr, data = l.strip.split(':', 2)
data.strip! unless data.nil?
pkg[:_tmp] = {:hdr => hdr, :data => [data]}
end
end
if pkg.nil?
pkgs.delete :_tmp
else
pkgs[:_tmp] = pkg
end
pkgs
end
end
def build_package_list(repos, used, sources)
data = {}
(repos.keys + sources.keys).each do |pkg|
p = {
:problem => nil,
:used => {},
:name => pkg,
:git_version => nil,
:has_tags => false,
:repo_version => nil,
}
begin
g = Git.bare(working_dir = repos[pkg])
tree = g.ls_tree('HEAD')["tree"]
if pkg == 'grml-kernel'
tree = g.ls_tree(g.ls_tree("HEAD")["tree"]["linux-3"][:sha])["tree"]
end
current_head = g.gcommit('HEAD')
raise "no head" if not current_head.parent
raise "no debian dir in git" if not tree.keys.include?("debian")
p.merge!({
:git_browser => "https://github.com/grml/%s" % pkg,
:git_anon => "https://github.com/grml/%s.git" % pkg,
})
rescue Exception => error
puts "E: inspecting git repo #{repos[pkg]} failed: #{error}"
end
used.each do |dist,l|
p[:used][dist] = l.include?(pkg)
end
if sources[pkg]
p.merge!({
:repo_url => "https://deb.grml.org/pool/main/%s/%s/" % [sources[pkg]['Package'][0][0..0], sources[pkg]['Package'][0]],
:repo_version => sources[pkg]['Version'][0],
:source_name => sources[pkg]['Package'][0],
})
end
if p[:git_anon]
head_is_tagged = false
for tag in g.tags.reverse
p[:has_tags] = true
t = g.gcommit(tag.name)
next if not t.parent
#$stderr.puts "#{pkg}: Checking tag #{tag.name}: tag parent: #{t.parent.sha} HEAD: #{current_head.parent.sha}"
if t.parent.sha === current_head.parent.sha
head_is_tagged = true
p[:git_version] = tag.name
break
end
end
if !head_is_tagged
p[:problem] = 'Untagged changes'
end
else
p[:problem] = 'Unknown (Missing checkout)'
end
if !p[:problem]
if p[:git_version] and p[:repo_version]
repo_version = p[:repo_version].gsub('~','_')
if (p[:git_version] != repo_version) and (p[:git_version] != 'v'+repo_version)
p[:problem] = 'Git/Repo not in sync'
end
end
end
data[pkg] = p
end
data
end
def fetch_file(uri)
response = Net::HTTP.get_response(URI.parse(uri))
body = response.body
if uri.match(/\.gz$/)
body = Zlib::GzipReader.new(StringIO.new(body.to_s)).read
end
body
end
def update_git_repos(git_repos)
git_repos.each do |name, path|
out = %x{cd #{path} && git remote update --prune 2>&1}
puts "#{name}: " + out if DEBUG
end
end
template = ERB.new <<-EOF
<!doctype html>
<head>
<meta charset="utf-8">
<title>Grml.org Package Index</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<header>
<h1>All Grml packages</h1>
</header>
<div id="main">
<table>
<tr>
<th>Package</th><th>Git</th><th>Download</th><th>Git Version</th><th>grml-testing</th><th>In FULL?</th>
</tr>
<% packages.keys.sort.each do |pn|
p = packages[pn]
%>
<tr>
<td><%= p[:name] %></td>
<td class="git"><% if p[:git_browser] %><a href="<%= p[:git_browser] %>">Git</a><% end %></td>
<td class="download"><% if p[:repo_url] %><a href="<%= p[:repo_url] %>">Download</a><% end %></td>
<% if !p[:problem] %>
<td class="ok">Version <%= p[:git_version] %></td>
<% else %>
<td class="error <% if p[:used][:full] %>important<% end %>"><%= p[:problem] %></td>
<% end %>
<td><%= p[:repo_version] || "" %></td>
<td class="installed"><%= p[:used][:full] ? "Yes" : "No" %></td>
</tr>
<% end %>
</table>
</div>
<div>
</div>
<footer>
<p>Last update: <%= Time.now.to_s %></p>
</footer>
</body>
</html>
EOF
used_packages = {
:full => build_used_package_list([
'https://raw.githubusercontent.com/grml/grml-live/master/etc/grml/fai/config/package_config/GRMLBASE',
'https://raw.githubusercontent.com/grml/grml-live/master/etc/grml/fai/config/package_config/GRML_FULL',
]),
}
sources = {}
parse_debian_sources(fetch_file('https://deb.grml.org/dists/grml-testing/main/source/Sources.gz')).each do |k,v|
if v['Vcs-Git'] and v['Vcs-Git'][0]
if m = v['Vcs-Git'][0].match('github.com/grml\/(.*).git$') then
k = m[1]
elsif m = v['Vcs-Git'][0].match('git.grml.org\/(.*).git$') then
k = m[1]
end
end
sources[k] = v
end
git_repos = Hash[*(Dir.glob('git/*.git').map do |p| [File.basename(p, '.git'), p] end.flatten)]
update_git_repos git_repos
packages = build_package_list(git_repos, used_packages, sources)
File.open('htdocs/index.html.new','w') do |f|
f.write template.result(binding)
end
File.open('htdocs/packages.yaml.new','w') do |f|
f.write packages.to_yaml
end
FileUtils.mv 'htdocs/index.html.new', 'htdocs/index.html'
FileUtils.mv 'htdocs/packages.yaml.new', 'htdocs/packages.yaml'