revyos-compare

#!/usr/bin/ruby

require 'open-uri'

def read_db(url)
    puts "Reading #{url}..."
    db = URI.open(url)
    db = Zlib::GzipReader.new(db).read
    db = db.split("\n\n")
    db = db.filter_map do |pkg|
        pkg = pkg.split("\n").filter_map do |line|
            line = line.split(': ')
            line[1].split[0] if line[0] == 'Source' or line[0] == 'Version' or (line[0] == 'Package' and ! pkg.include? 'Source: ')
        end
    end
    db = db.to_h
    return db
end

def getcolor(version1, version2)
    `dpkg --compare-versions #{version1} gt #{version2}`
    if version2 == nil or $?.success?
        return "green", "red"
    else
        return "red", "green"
    end
end

def debian_12_link(pkg, version, color)
    return "<a href=https://packages.debian.org/source/bookworm/#{pkg}><font color=#{color}>#{version}</font></a>"
end

def debian_sid_link(pkg, version)
    return "<a href=https://packages.debian.org/source/sid/#{pkg}>#{version}</a>"
end

revyos_db = read_db('https://mirrors.felixc.at/revyos/revyos-c910v/dists/revyos-c910v/main/binary-riscv64/Packages.gz')
debian_12_db = read_db('http://ftp.de.debian.org/debian/dists/bookworm/main/binary-amd64/Packages.gz')
debian_sid_db = read_db('http://ftp.de.debian.org/debian/dists/sid/main/binary-riscv64/Packages.gz')

puts "Generating revyos.htm..."

File.open('/var/www/revyos/compare/index.html.tmp', 'w') do |f|
    f.puts '
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://lib.baomitu.com/bulma/0.9.4/css/bulma.min.css">
        <style>tr:hover { background-color: #ddd !important; }</style>
        <table class="table is-hoverable"><thead><tr><th>Package</th><th>RevyOS</th><th>Debian 12 amd64</th>
        <th>Debian sid riscv64</th></thead><tbody>'

    revyos_db.each do |pkg, version|
        if debian_12_db.has_key? pkg and debian_12_db[pkg] != version or ! debian_12_db.has_key? pkg
            color_revyos, color_12 = getcolor(version, debian_12_db[pkg])
            f.puts "<tr><td>#{pkg}</td><td><font color=#{color_revyos}>#{version}</font></td>
                    <td>#{debian_12_link(pkg, debian_12_db[pkg], color_12)}</font></td>
                    <td>#{debian_sid_link(pkg, debian_sid_db[pkg])}</td></tr>"
        end
    end

    f.puts "<tr><td colspan=4>Porting Progress: #{revyos_db.length} / #{(revyos_db.merge(debian_12_db)).length}</td></tr>"

    debian_12_db.each do |pkg, version|
        if ! revyos_db.has_key? pkg
            f.puts "<tr><td>#{pkg}</td><td>Help Revy!</td><td>#{debian_12_link(pkg, version, "black")}</td>
                    <td>#{debian_sid_link(pkg, debian_sid_db[pkg])}</td></tr>"
        end
    end

    f.puts '</tbody></table>'
end

File.rename('/var/www/revyos/compare/index.html.tmp', '/var/www/revyos/compare/index.html')