#!/usr/bin/ruby

#
# Ruby script for generating amaroK tarball releases from KDE SVN
#
# (c) 2005 Mark Kretschmann <markey@web.de>
# (c) 2006-2007 Tom Albers <tomalbers@kde.nl>
# (c) 2007 Angelo Naselli <anaselli@linux.it> (command line parameters) 
# Some parts of this code taken from cvs2dist
# License: GNU General Public License V2

require 'optparse'
require 'ostruct'

# check command line parameters
options = OpenStruct.new
options.help  = false
options.https = false
options.ask   = true

opts = OptionParser.new do |opts|
  opts.on("-u", "--user USERNAME", "svn account") do |u|
    options.username = u
  end
  opts.on("-w", "--https", "Using https instead of svn+ssh") do |w|
    options.https = w
  end
  opts.on("-n", "--noaccount", "Using svn://anonsvn.kde.org/ instead of svn+ssh") do |n|
    options.anonsvn = n
  end
  opts.on("-a", "--application APPL", "Application name (all for all, kde_release for apps that have kde_release=yes)") do |a|
    options.application = a
    options.ask = false
  end
  opts.on("-v", "--version VER", "Overwrite package version set in config.ini") do |v|
    options.ver = v
  end
  opts.on_tail("-h", "--help", "Show this usage statement") do |h|
    options.help = true
  end
end

begin
  opts.parse!(ARGV)
rescue Exception => e
  puts e, "", opts
  puts
  exit
end

if (options.username)
  username = options.username + "@"
end

if (options.application)
  apps = Array.new
  apps << options.application
end

if (options.https)
  if (username)
    svnbase    = "https://#{username}svn.kde.org/home/kde"
  else
    puts opts
    puts
    puts "Username is mandatory with https"
    exit
  end
else
  svnbase    = "svn+ssh://#{username}svn.kde.org/home/kde"
end

if (options.anonsvn)
  if (options.https)
     puts opts
     puts
     puts "https or anonsvn please, not both"
     exit
   end
   svnbase    = "svn://anonsvn.kde.org/home/kde"
end

if (options.help)
  puts opts
  exit
end

############# START #############

svnroot    = "#{svnbase}/trunk"


#----------------------------------------------------------------
# retrieve apps. 
#----------------------------------------------------------------

f = File.new("config.ini")
app = Array.new
begin
    while (line = f.readline)
        aline = line.chomp
        if aline[0,1] == "[" 
            app << aline[1,(aline.length-2)]
        end
    end
rescue EOFError
    f.close
end

if (options.ask)
    puts "Which apps (multiple sep by space, posibilities: all kde_release " + app.join(" ") + ")?"
    apps = gets.split(" ")
end

kde_release = false;
if apps[0] == "all"
    apps = app
elsif apps[0] == "kde_release"
    apps = app
    kde_release = true;
elsif apps.length == 1
    apps = apps[0].split(" ")
end

puts "-> Considering " + apps.join(" & ")
if kde_release
    puts " -> Only applications which have kde_release = yes in config "
end
puts

#----------------------------------------------------------------
# retrieve apps. 
#----------------------------------------------------------------

apps.each do |app|
    puts
    puts "-> Processing " + app 

    found = false;
    appdata = Hash.new 
    f = File.new("config.ini")
    begin
        while (line = f.readline)
            aline = line.chomp
            if aline == "[" + app + "]"
                found = true; 
            elsif aline.length > 0 && found
                data = aline.split("=");
                temp = { data[0].strip => data[1].strip }
                appdata = appdata.merge(temp)
            else
                found = false
            end
        end
        rescue EOFError
        f.close
    end

    if (kde_release && appdata["kde_release"] != "yes")
      puts "  -> Skipping because kde_release is not set in the config.ini"
      next
    end

    if (options.ver)
      temp = { "version" => options.ver }
      appdata = appdata.merge(temp)
    else
      if !appdata["version"]
        kde_version  = `svn ls svn://anonsvn.kde.org/home/kde/tags/KDE | sort | tail -n1 | cut -d "/" -f1`.chomp
        temp = { "version" => kde_version }
        appdata = appdata.merge(temp)
      end
    end

    if !appdata["folder"]
        temp = { "folder" => app + "-" + appdata["version"] }
    else
        temp = { "folder" => appdata["folder"] + "-" + appdata["version"] }
    end
    appdata = appdata.merge(temp)

    if appdata["addPo"] && appdata["addPo"].length > 0
        temp = { "addPo" =>  (appdata["addPo"]+" "+app).split(" ") }
    else
        temp = { "addPo" =>  app }
    end
    appdata = appdata.merge(temp)

    if appdata["addDocs"] && appdata["addDocs"].length > 0
        temp = { "addDocs" =>  (appdata["addDocs"]+" "+app).split(" ") }
    else
        temp = { "addDocs" =>  app }
    end
    appdata = appdata.merge(temp)

    if appdata["pgmodule"]
        appdata["egmodule"] = appdata["pgmodule"]
        applocation = "playground"
    else
        applocation = "extragear"
    end


    #preparing----------------------------------------------------------------

    puts "-> Fetching " + appdata["egmodule"] + "/" + app + " into " + appdata["folder"] + "..."
    # Remove old folder, if exists
    `rm -rf #{appdata["folder"]} 2> /dev/null`
    `rm -rf #{appdata["folder"]}.tar.bz2 2> /dev/null`
    Dir.mkdir( appdata["folder"] )
    Dir.chdir( appdata["folder"] )

    # Do the main checkouts.
    if appdata["wholeModule"]
        `svn co #{svnroot}/#{applocation}/#{appdata["egmodule"]}/ #{app}-tmp`
    else
        `svn co #{svnroot}/#{applocation}/#{appdata["egmodule"]}/#{app} #{app}-tmp`
    end
    Dir.chdir( app + "-tmp" )
    `svn co #{svnroot}/#{applocation}/#{appdata["egmodule"]}/doc/#{app} doc`

    # Move them to the toplevel
    `/bin/mv * ..`
    Dir.chdir( ".." )

    `find -name ".svn" | xargs rm -rf`
    `rmdir #{app}-tmp`

    puts "-> Fetching l10n docs for #{appdata["egmodule"]}/#{app}..."

    i18nlangs = `svn cat #{svnroot}/l10n-kde4/subdirs`
    i18nlangsCleaned = []
    for lang in i18nlangs
        l = lang.chomp
        if (l != "x-test")
            i18nlangsCleaned += [l];
        end
    end
    i18nlangs = i18nlangsCleaned

    Dir.mkdir( "l10n" )
    Dir.chdir( "l10n" )

    # docs
    for lang in i18nlangs
        lang.chomp!

        for dg in appdata["addDocs"]
            dg.chomp!
            `rm -rf #{dg}`
            docdirname = "l10n-kde4/#{lang}/docs/#{applocation}-#{appdata["egmodule"]}/#{dg}"
            if ( appdata["docs"] )
                puts "  -> Checking if #{dg} has translated documentation...\n"
                `svn co -q #{svnroot}/#{docdirname} > /dev/null 2>&1`
            end
            next unless FileTest.exists?( dg )
            puts "    -> Copying #{lang}'s #{dg} documentation over...  "
            `cp -R #{dg}/ ../doc/#{lang}_#{dg}`

            makefile = File.new( "../doc/#{lang}_#{dg}/CMakeLists.txt", File::CREAT | File::RDWR | File::TRUNC )
            makefile << "KDE4_CREATE_HANDBOOK(#{lang})\n"
            makefile.close()

            puts( "done.\n" )
        end
    end

    puts "-> Fetching l10n po for #{appdata["egmodule"]}/#{app}...\n"

    Dir.chdir( ".." ) # in egmodule now

    $subdirs = false
    Dir.mkdir( "po" )

    topmakefile = File.new( "po/CMakeLists.txt", File::CREAT | File::RDWR | File::TRUNC )
    for lang in i18nlangs
        lang.chomp!
        dest = "po/#{lang}"

        for dg in appdata["addPo"]
            dg.chomp!
            pofilename = "l10n-kde4/#{lang}/messages/#{applocation}-#{appdata["egmodule"]}/#{dg}.po"
            `svn cat #{svnroot}/#{pofilename} 2> /dev/null | tee l10n/#{dg}.po`
            next if FileTest.size( "l10n/#{dg}.po" ) == 0

            if !FileTest.exist?( dest )
                Dir.mkdir( dest )
                makefile = File.new( "#{dest}/CMakeLists.txt", File::CREAT | File::RDWR | File::TRUNC )
                makefile << "file(GLOB _po_files *.po)\n"
                makefile << "GETTEXT_PROCESS_PO_FILES( #{lang} ALL INSTALL_DESTINATION ${LOCALE_INSTALL_DIR} ${_po_files} )\n"
                makefile.close()
                topmakefile << "add_subdirectory( #{lang} )\n"
            end

            print "  -> Copying #{lang}'s #{dg}.po over ..  "
            `mv l10n/#{dg}.po #{dest}`
            puts( "done.\n" )
        end
    end
    topmakefile.close()

    `rm -rf l10n`

    # add l10n to compilation.
    `echo "find_package(Msgfmt REQUIRED)" >> CMakeLists.txt`
    `echo "find_package(Gettext REQUIRED)" >> CMakeLists.txt`
    `echo "add_subdirectory( po )" >> CMakeLists.txt`
    if FileTest.exist?( "doc" )
        `echo "add_subdirectory( doc )" >> CMakeLists.txt`
    end

    # Remove cruft 
    `find -name ".svn" | xargs rm -rf`
    `find -name "Messages.sh" | xargs rm -rf`
    if ( appdata["remove"] != "")
        `/bin/rm #{appdata["remove"]}`
    end

    print "-> Compressing ..  "
    Dir.chdir( ".." ) # root folder
    `tar -jcf #{appdata["folder"]}.tar.bz2 #{appdata["folder"]}`
    #`rm -rf #{appdata["folder"]}`
    puts " done."
end