ruby: Patches for shebangs on installed gems

packages/ruby/build.sh

@@ -2,6 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://www.ruby-lang.org/
 TERMUX_PKG_DESCRIPTION="Dynamic programming language with a focus on simplicity and productivity"
 _MAJOR_VERSION=2.4
 TERMUX_PKG_VERSION=${_MAJOR_VERSION}.0
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://cache.ruby-lang.org/pub/ruby/${_MAJOR_VERSION}/ruby-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_SHA256=3a87fef45cba48b9322236be60c455c13fd4220184ce7287600361319bb63690
 # libbffi is used by the fiddle extension module:

packages/ruby/lib-rubygems-defaults.rb.patch

@@ -0,0 +1,14 @@
+diff -u -r ../ruby-2.4.0/lib/rubygems/defaults.rb ./lib/rubygems/defaults.rb
+--- ../ruby-2.4.0/lib/rubygems/defaults.rb	2016-06-24 06:13:11.000000000 +0200
++++ ./lib/rubygems/defaults.rb	2017-01-31 22:53:59.125074751 +0100
+@@ -191,6 +191,9 @@
+   # end
+ 
+   def self.platform_defaults
+-    {}
++     {
++         'install' => '--no-rdoc --no-ri --env-shebang',
++         'update' => '--no-rdoc --no-ri --env-shebang'
++     }
+   end
+ end

packages/ruby/lib-rubygems-install_update_options.rb.patch

@@ -0,0 +1,12 @@
+diff -u -r ../ruby-2.4.0/lib/rubygems/install_update_options.rb ./lib/rubygems/install_update_options.rb
+--- ../ruby-2.4.0/lib/rubygems/install_update_options.rb	2016-04-06 08:01:14.000000000 +0200
++++ ./lib/rubygems/install_update_options.rb	2017-01-31 22:48:03.877466602 +0100
+@@ -232,7 +232,7 @@
+   # Default options for the gem install command.
+ 
+   def install_update_defaults_str
+-    '--document=rdoc,ri --wrappers'
++    '--document=rdoc,ri --wrappers,--env-shebang'
+   end
+ 
+ end

packages/ruby/lib-rubygems-installer.rb.patch

@@ -0,0 +1,12 @@
+diff -u -r ../ruby-2.4.0/lib/rubygems/installer.rb ./lib/rubygems/installer.rb
+--- ../ruby-2.4.0/lib/rubygems/installer.rb	2016-09-28 03:16:43.000000000 +0200
++++ ./lib/rubygems/installer.rb	2017-01-31 22:49:11.992624578 +0100
+@@ -31,7 +31,7 @@
+   # Paths where env(1) might live.  Some systems are broken and have it in
+   # /bin
+ 
+-  ENV_PATHS = %w[/usr/bin/env /bin/env]
++  ENV_PATHS = %w[@TERMUX_PREFIX@/bin/env /usr/bin/env]
+ 
+   ##
+   # Deprecated in favor of Gem::Ext::BuildError