encode-gif.rb 1.27 KB
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#!/usr/bin/env ruby
# frozen_string_literal: true
#
# Copyright (C) 2018 Harald Sitter <sitter@kde.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) version 3, or any
# later version accepted by the membership of KDE e.V. (or its
# successor approved by the membership of KDE e.V.), which shall
# act as a proxy defined in Section 6 of version 3 of the license.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library.  If not, see <http://www.gnu.org/licenses/>.

require 'tty/command'

cmd = TTY::Command.new

pkg = 'imagemagick'
unless TTY::Command.new(printer: :null).run!('dpkg', '-s', pkg).success?
  cmd.run!('apt-get', 'update')
  cmd.run('apt-get', 'install', '-y', pkg)
end

# Convert screenshots to gif.
cmd.run('convert', '-delay', '50',
        'wok/qemuscreenshot/*.png',
        'wok/video.gif')