Add mypaint package (#3292)

Add pre-built binaries

packages/mypaint.rb

+require 'package'
+
+class Mypaint < Package
+  description 'MyPaint is a simple drawing and painting program'
+  homepage 'http://mypaint.org/'
+  version '1.2.1'
+  source_url 'https://github.com/mypaint/mypaint/releases/download/v1.2.1/mypaint-1.2.1.tar.xz'
+  source_sha256 'ed2349382f6a0c583d7defae06427e97ac7d14acb77b9e2c0fc7171ddd96d3c7'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/mypaint-1.2.1-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/mypaint-1.2.1-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/mypaint-1.2.1-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/mypaint-1.2.1-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '34fa83b9be46e7bb03e914abe51abe7e17da0d7bf6967c8ff2c77413f8edcab2',
+     armv7l: '34fa83b9be46e7bb03e914abe51abe7e17da0d7bf6967c8ff2c77413f8edcab2',
+       i686: '03fb94655a4fe7876ec7f9c3b86adc7e95cd43cc4263a505b5541649f4407d66',
+     x86_64: 'a32e94eb92824d65544c35d09ef5d3e9d69b5ce504a820a46bd2ea48471cd125',
+  })
+
+  depends_on 'scons' => :build
+  depends_on 'mypaint_brushes'
+  depends_on 'pygobject'
+  depends_on 'librsvg'
+  depends_on 'xdg_base'
+  depends_on 'sommelier'
+
+  def self.build
+    system 'pip install numpy'
+    system "echo '#!/bin/bash' > mypaint.sh"
+    system "echo 'GDK_BACKEND=x11' >> mypaint.sh"
+    system "echo 'gdk-pixbuf-query-loaders --update-cache' >> mypaint.sh"
+    system "echo '#{CREW_PREFIX}/bin/mypaint.run \"\$@\"' >> mypaint.sh"
+    system 'scons'
+  end
+
+  def self.install
+    system "scons", "prefix=#{CREW_DEST_PREFIX}", "install"
+    system 'pip uninstall numpy -y'
+    system "pip install numpy --prefix #{CREW_PREFIX} --root #{CREW_DEST_DIR}"
+    FileUtils.mkdir_p "#{CREW_DEST_HOME}/.config/mypaint"
+    FileUtils.touch "#{CREW_DEST_HOME}/.config/mypaint/accelmap.conf"
+    FileUtils.touch "#{CREW_DEST_HOME}/.config/mypaint/settings.json"
+    FileUtils.rm "#{CREW_DEST_PREFIX}/lib/pkgconfig/libmypaint.pc"
+    FileUtils.rm Dir.glob("#{CREW_DEST_PREFIX}/include/libmypaint/mypaint-*.h")
+    FileUtils.mv "#{CREW_DEST_PREFIX}/bin/mypaint", "#{CREW_DEST_PREFIX}/bin/mypaint.run"
+    FileUtils.install 'mypaint.sh', "#{CREW_DEST_PREFIX}/bin/mypaint", :mode => 0755
+  end
+end