www-servers/thin: enable ruby32

Backport an upstream patch for ruby32. It's not too big at least.

I've also asked upstream if they'll consider making a new release.

Bug: https://github.com/macournoyer/thin/pull/392
Bug: https://github.com/macournoyer/thin/issues/393
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 198 insertions, 0 deletions

diff --git a/www-servers/thin/files/thin-1.8.1-ruby32.patch b/www-servers/thin/files/thin-1.8.1-ruby32.patch
new file mode 100644
index 000000000000..808ebc2a45db
--- /dev/null
+++ b/www-servers/thin/files/thin-1.8.1-ruby32.patch
@@ -0,0 +1,99 @@
+https://github.com/macournoyer/thin/commit/829c3aaa48efcd0c289d856f068f5d0fb16edaac
+
+From 829c3aaa48efcd0c289d856f068f5d0fb16edaac Mon Sep 17 00:00:00 2001
+From: Vasily Fedoseyev <github@vasfed.ru>
+Date: Wed, 1 Feb 2023 00:03:48 +0300
+Subject: [PATCH] Update code base for Ruby v3.2 (#392)
+
+* `File.exists?` is removed in ruby 3.2
+
+* Fix deprecated rspec expectation syntax
+
+* Fix `Socket.gethostbyname` deprecation
+
+* Test on ruby 3.2 and rack 2.
+--- a/lib/thin/backends/swiftiply_client.rb
++++ b/lib/thin/backends/swiftiply_client.rb
+@@ -50,7 +50,17 @@ def swiftiply_handshake(key)
+ 
+       # For some reason Swiftiply request the current host
+       def host_ip
+-        Socket.gethostbyname(@backend.host)[3].unpack('CCCC') rescue [0, 0, 0, 0]
++        begin
++          if defined?(Addrinfo)
++            # ruby 2.0+
++            # TODO: ipv6 support here?
++            Addrinfo.getaddrinfo(@backend.host, @backend.port, :PF_INET, :STREAM).first.ip_address.split('.').map(&:to_i)
++          else
++            Socket.gethostbyname(@backend.host)[3].unpack('CCCC')
++          end
++        rescue
++          [0, 0, 0, 0]
++        end
+       end
+   end
+ end
+\ No newline at end of file
+--- a/lib/thin/daemonizing.rb
++++ b/lib/thin/daemonizing.rb
+@@ -78,7 +78,7 @@ def change_privilege(user, group=user)
+ 
+       if uid != target_uid || gid != target_gid
+         # Change PID file ownership
+-        File.chown(target_uid, target_gid, @pid_file) if File.exists?(@pid_file)
++        File.chown(target_uid, target_gid, @pid_file) if File.exist?(@pid_file)
+ 
+         # Change process ownership
+         Process.initgroups(user, target_gid)
+@@ -174,7 +174,7 @@ def read_pid_file(file)
+     
+     protected
+       def remove_pid_file
+-        File.delete(@pid_file) if @pid_file && File.exists?(@pid_file)
++        File.delete(@pid_file) if @pid_file && File.exist?(@pid_file)
+       end
+     
+       def write_pid_file
+--- a/spec/connection_spec.rb
++++ b/spec/connection_spec.rb
+@@ -37,7 +37,7 @@
+   end
+ 
+   it "should process at most once when request is larger than expected" do
+-    @connection.should_receive(:process).at_most(1)
++    expect(@connection).to receive(:process).at_most(1)
+     @connection.receive_data("POST / HTTP/1.1\r\nHost: localhost:3000\r\nContent-Length: 300\r\n\r\n")
+     10.times { @connection.receive_data('X' * 1_000) }
+   end
+--- a/spec/rails_app/config/boot.rb
++++ b/spec/rails_app/config/boot.rb
+@@ -26,7 +26,7 @@ def vendor_rails?
+ 
+     # FIXME : Ruby 1.9
+     def preinitialize
+-      load(preinitializer_path) if File.exists?(preinitializer_path)
++      load(preinitializer_path) if File.exist?(preinitializer_path)
+     end
+ 
+     def preinitializer_path
+--- a/spec/request/parser_spec.rb
++++ b/spec/request/parser_spec.rb
+@@ -210,7 +210,7 @@
+   end
+ 
+   it "should fail when total request vastly exceeds specified CONTENT_LENGTH" do
+-    proc do
++    expect do
+       R(<<-EOS, true)
+ POST / HTTP/1.1
+ Host: localhost:3000
+@@ -218,7 +218,7 @@
+ 
+ #{'X' * 300_000}
+ EOS
+-    end.should raise_error(InvalidRequest)
++    end.to raise_error(InvalidRequest)
+   end
+ 
+   it "should default SERVER_NAME to localhost" do
+
diff --git a/www-servers/thin/thin-1.8.1-r3.ebuild b/www-servers/thin/thin-1.8.1-r3.ebuild
new file mode 100644
index 000000000000..9f3dce90094e
--- /dev/null
+++ b/www-servers/thin/thin-1.8.1-r3.ebuild
@@ -0,0 +1,99 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+USE_RUBY="ruby27 ruby30 ruby31 ruby32"
+
+RUBY_FAKEGEM_RECIPE_TEST="rspec3"
+RUBY_FAKEGEM_GEMSPEC="${PN}.gemspec"
+
+inherit ruby-fakegem
+
+DESCRIPTION="A fast and very simple Ruby web server"
+HOMEPAGE="http://code.macournoyer.com/thin/"
+SRC_URI="https://github.com/macournoyer/thin/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Ruby"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc64 ~x86"
+IUSE="doc test"
+
+DEPEND="${DEPEND}
+	dev-util/ragel"
+RDEPEND="${RDEPEND}"
+
+# The runtime dependencies are used at build-time as well since the
+# Rakefile loads thin!
+mydeps=">=dev-ruby/daemons-1.0.9
+	>=dev-ruby/rack-1.0.0:* <dev-ruby/rack-3:*
+	>=dev-ruby/eventmachine-1.0.4:0
+	virtual/ruby-ssl"
+
+ruby_add_rdepend "${mydeps}"
+ruby_add_bdepend "${mydeps}
+	dev-ruby/rake-compiler"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-ruby32.patch
+)
+
+all_ruby_prepare() {
+	# Fix Ragel-based parser generation (uses a *very* old syntax that
+	# is not supported in Gentoo)
+	sed -i -e 's: | rlgen-cd::' Rakefile || die
+
+	# Fix specs' dependencies so that the extension is not rebuilt
+	# when running tests
+	rm tasks/spec.rake || die
+
+	# Fix rspec version to allow newer 2.x versions
+	sed -i -e '/gem "rspec"/ s/1.2.9/3.0/ ; 2igem "rack", "<3"' spec/spec_helper.rb || die
+
+	# Avoid CLEAN since it may not be available and we don't need it.
+	sed -i -e '/CLEAN/ s:^:#:' tasks/*.rake || die
+
+	# Disable a test that is known for freezing the testsuite,
+	# reported upstream. In thin 1.5.1 this just fails.
+	sed -i \
+		-e '/should force kill process in pid file/,/^  end/ s:^:#:' \
+		spec/daemonizing_spec.rb || die
+
+	sed -i \
+		-e '/tracing routines (with NO custom logger)/,/^  end/ s:^:#:'\
+		spec/logging_spec.rb || die
+
+	find spec/perf -name "*_spec.rb" -exec \
+		sed -i '/be_faster_then/ i \    skip' {} \;
+
+	sed -i -e "s/Spec::Runner/Rspec/" spec/spec_helper.rb || die
+	# nasty but too complex to fix up for now :(
+	use doc || rm tasks/rdoc.rake
+}
+
+each_ruby_compile() {
+	${RUBY} -S rake compile || die "rake compile failed"
+}
+
+all_ruby_install() {
+	all_fakegem_install
+
+	keepdir /etc/thin
+	newinitd "${FILESDIR}"/${PN}.initd-r4 ${PN}
+	newconfd "${FILESDIR}"/${PN}.confd-2 ${PN}
+
+	einfo
+	elog "Thin is now shipped with init scripts."
+	elog "The default script (/etc/init.d/thin) will start all servers that have"
+	elog "configuration files in /etc/thin/. You can symlink the init script to"
+	elog "files of the format 'thin.SERVER' to be able to start individual servers."
+	elog "See /etc/conf.d/thin for more configuration options."
+	einfo
+}
+
+each_ruby_install() {
+	each_fakegem_install
+
+	# Ensure that newer rubygems version see the extention as installed
+	ruby_fakegem_extensions_installed
+}