[DRE-maint] Bug#919223: ruby-haml-contrib FTBFS with ruby-haml 5.0.4-1

[Adrian Bunk]

Source: ruby-haml-contrib
Version: 1.0.0.1-2
Severity: serious
Tags: ftbfs buster sid

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/ruby-haml-contrib.html

...
┌──────────────────────────────────────────────────────────────────────────────┐
│ Run tests for ruby2.5 from debian/ruby-tests.rb                              │
└──────────────────────────────────────────────────────────────────────────────┘

RUBYLIB=/build/1st/ruby-haml-contrib-1.0.0.1/debian/ruby-haml-contrib/usr/lib/ruby/vendor_ruby:. GEM_PATH=debian/ruby-haml-contrib/usr/share/rubygems-integration/all:/var/lib/gems/2.5.0:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.5.0:/usr/share/rubygems-integration/2.5.0:/usr/share/rubygems-integration/all ruby2.5 debian/ruby-tests.rb
/usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require': cannot load such file -- temple (LoadError)
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/vendor_ruby/haml/temple_engine.rb:2:in `<top (required)>'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/vendor_ruby/haml/engine.rb:11:in `<top (required)>'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/vendor_ruby/haml.rb:23:in `<top (required)>'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /build/1st/ruby-haml-contrib-1.0.0.1/test/test_helper.rb:1:in `<top (required)>'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /build/1st/ruby-haml-contrib-1.0.0.1/test/php_filter_test.rb:1:in `<top (required)>'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	from debian/ruby-tests.rb:2:in `block in <main>'
	from debian/ruby-tests.rb:2:in `each'
	from debian/ruby-tests.rb:2:in `<main>'
ERROR: Test "ruby2.5" failed. Exiting.
dh_auto_install: dh_ruby --install /build/1st/ruby-haml-contrib-1.0.0.1/debian/ruby-haml-contrib returned exit code 1
make: *** [debian/rules:4: binary] Error 1