main/protobuf: add subpackage ruby-google-protobuf

2 files changed, 103 insertions, 3 deletions

diff --git a/main/protobuf/APKBUILD b/main/protobuf/APKBUILD
index f25c03cae9..7dfff64bbd 100644
--- a/main/protobuf/APKBUILD
+++ b/main/protobuf/APKBUILD
@@ -1,6 +1,7 @@
 # Contributor: Kiyoshi Aman <kiyoshi.aman@gmail.com>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=protobuf
+_gemname=google-protobuf
 pkgver=3.3.2
 pkgrel=0
 pkgdesc="Library for extensible, efficient structure packing"
@@ -8,10 +9,11 @@ url="https://github.com/google/protobuf"
 arch="all"
 license="BSD"
 depends_dev="zlib-dev"
-makedepends="$depends_dev autoconf automake libtool"
-subpackages="$pkgname-dev $pkgname-vim::noarch"
+makedepends="$depends_dev autoconf automake libtool ruby ruby-dev ruby-rake"
+subpackages="ruby-$_gemname:_ruby $pkgname-dev $pkgname-vim::noarch"
 source="$pkgname-$pkgver.tar.gz::https://github.com/google/$pkgname/archive/v$pkgver.tar.gz
 	musl-fix.patch
+	trim-rakefile.patch
 	"
 builddir="$srcdir/$pkgname-$pkgver"
 
@@ -32,8 +34,22 @@ build() {
 			--infodir=/usr/share/info \
 			--localstatedir=/var
 	make
+
+	cd "$builddir"/ruby
+
+	# Generate proto files for built-in protocols.
+	rake genproto
+
+	gem build $_gemname.gemspec
+	gem install --local \
+		--install-dir dist \
+		--ignore-dependencies \
+		--no-document \
+		--verbose \
+		$_gemname
 }
 
+# TODO: Run tests for ruby gem.
 check() {
 	cd "$builddir"
 	make check
@@ -44,6 +60,23 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
+_ruby() {
+	pkgdesc="Ruby bindings to Google's data interchange format"
+
+	local gemdir="$subpkgdir/$(ruby -rubygems -e 'puts Gem.default_dir')"
+	cd "$builddir"/ruby/dist
+
+	mkdir -p "$gemdir"
+	cp -r extensions gems specifications "$gemdir"/
+
+	# Remove duplicated .so libs (should be only in extensions directory).
+	find "$gemdir"/gems/ -name "*.so" -delete
+
+	# Remove unnecessary files.
+	cd "$gemdir"/gems/$_gemname-$pkgver
+	rm -r ext/ tests/
+}
+
 vim() {
 	pkgdesc="Vim syntax for $pkgname"
 	depends=""
@@ -54,4 +87,5 @@ vim() {
 }
 
 sha512sums="795b2b438e6c3628f574bdb2929b7a3771a8105af2d320ca0f9b144b93d9be4f713fb389f5a08c1c771ce93585b7aefc9b272c9cb57299d9ee6827e06e7ff557  protobuf-3.3.2.tar.gz
-66b430c81f34f49a86dfca50edbb517e4ad1a5ea922625b6266410c5feacfb621fe583c2998ac8994c6de45470652d2408c6c731d9746b74891a627564ca01f0  musl-fix.patch"
+66b430c81f34f49a86dfca50edbb517e4ad1a5ea922625b6266410c5feacfb621fe583c2998ac8994c6de45470652d2408c6c731d9746b74891a627564ca01f0  musl-fix.patch
+e1f6483b7e8d38b07cd01883bda439b2017fa0a87626fa49628f1d2042b5097ba8a68bdf1a03cd385e3e9a7c0bd2af6fbccec25e1c061617c3cceccabd17dce4  trim-rakefile.patch"
diff --git a/main/protobuf/trim-rakefile.patch b/main/protobuf/trim-rakefile.patch
new file mode 100644
index 0000000000..f03bf92684
--- /dev/null
+++ b/main/protobuf/trim-rakefile.patch
@@ -0,0 +1,66 @@
+Remove code that we don't use to avoid installing additional dependencies.
+--- a/ruby/Rakefile
++++ b/ruby/Rakefile
+@@ -1,6 +1,4 @@
+ require "rubygems"
+-require "rubygems/package_task"
+-require "rake/extensiontask" unless RUBY_PLATFORM == "java"
+ require "rake/testtask"
+ 
+ spec = Gem::Specification.load("google-protobuf.gemspec")
+@@ -39,45 +37,6 @@
+   end
+ end
+ 
+-if RUBY_PLATFORM == "java"
+-  if `which mvn` == ''
+-    raise ArgumentError, "maven needs to be installed"
+-  end
+-  task :clean do
+-    system("mvn --batch-mode clean")
+-  end
+-
+-  task :compile do
+-    system("mvn --batch-mode package")
+-  end
+-else
+-  Rake::ExtensionTask.new("protobuf_c", spec) do |ext|
+-    ext.ext_dir = "ext/google/protobuf_c"
+-    ext.lib_dir = "lib/google"
+-    ext.cross_compile = true
+-    ext.cross_platform = [
+-      'x86-mingw32', 'x64-mingw32',
+-      'x86_64-linux', 'x86-linux',
+-      'universal-darwin'
+-    ]
+-  end
+-
+-  task 'gem:windows' do
+-    require 'rake_compiler_dock'
+-    RakeCompilerDock.sh "bundle && IN_DOCKER=true rake cross native gem RUBY_CC_VERSION=2.4.0:2.3.0:2.2.2:2.1.5:2.0.0"
+-  end
+-
+-  if RUBY_PLATFORM =~ /darwin/
+-    task 'gem:native' do
+-      system "rake genproto"
+-      system "rake cross native gem RUBY_CC_VERSION=2.4.0:2.3.0:2.2.2:2.1.5:2.0.0"
+-    end
+-  else
+-    task 'gem:native' => [:genproto, 'gem:windows']
+-  end
+-end
+-
+-
+ # Proto for tests.
+ genproto_output << "tests/generated_code.rb"
+ genproto_output << "tests/test_import.rb"
+@@ -93,9 +52,6 @@
+ 
+ task :clean do
+   sh "rm -f #{genproto_output.join(' ')}"
+-end
+-
+-Gem::PackageTask.new(spec) do |pkg|
+ end
+ 
+ Rake::TestTask.new(:test => :build) do |t|