[DRE-maint] Bug#1019610: ruby-ahoy-email: FTBFS with ruby3.1: ERROR: Test "ruby3.1" failed: cannot load such file -- net/smtp (LoadError)

[Antonio Terceiro]

Source: ruby-ahoy-email
Version: 1.1.1-2
Severity: serious
Justification: FTBFS
Tags: bookworm sid ftbfs
User: debian-ruby at lists.debian.org
Usertags: ruby3.1

Hi,

We are about to start the ruby3.1 transition in unstable. While trying to
rebuild ruby-ahoy-email with ruby3.1 enabled, the build failed.

Relevant part of the build log (hopefully):
> /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require': cannot load such file -- net/smtp (LoadError)
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `block in require'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:299:in `load_dependency'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require'
> 	from /usr/lib/ruby/vendor_ruby/mail.rb:9:in `<module:Mail>'
> 	from /usr/lib/ruby/vendor_ruby/mail.rb:3:in `<top (required)>'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `block in require'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:299:in `load_dependency'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require'
> 	from /usr/share/rubygems-integration/all/gems/actionmailer-6.1.6.1/lib/action_mailer/mail_with_error_handling.rb:4:in `<top (required)>'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `block in require'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:299:in `load_dependency'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require'
> 	from /usr/share/rubygems-integration/all/gems/actionmailer-6.1.6.1/lib/action_mailer/base.rb:3:in `<top (required)>'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `block in require'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:299:in `load_dependency'
> 	from /usr/share/rubygems-integration/all/gems/activesupport-6.1.6.1/lib/active_support/dependencies.rb:332:in `require'
> 	from /<<PKGBUILDDIR>>/test/test_helper.rb:21:in `<top (required)>'
> 	from /<<PKGBUILDDIR>>/test/click_test.rb:1:in `require_relative'
> 	from /<<PKGBUILDDIR>>/test/click_test.rb:1:in `<top (required)>'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from /usr/lib/ruby/gems/3.1.0/gems/rake-13.0.6/lib/rake/rake_test_loader.rb:21:in `block in <main>'
> 	from /usr/lib/ruby/gems/3.1.0/gems/rake-13.0.6/lib/rake/rake_test_loader.rb:6:in `select'
> 	from /usr/lib/ruby/gems/3.1.0/gems/rake-13.0.6/lib/rake/rake_test_loader.rb:6:in `<main>'
> rake aborted!
> Command failed with status (1)
> 
> Tasks: TOP => default => test
> (See full trace by running task with --trace)
> mv ./.gem2deb.Gemfile.lock Gemfile.lock
> ERROR: Test "ruby3.1" failed: 


The full build log is available from:
https://people.debian.org/~terceiro/ruby3.1/17/ruby-ahoy-email/ruby-ahoy-email_1.1.1-2+rebuild1663007340_amd64-2022-09-12T18:29:01Z.build

To reproduce this, you need ruby-all-dev >= 1:3.0+2.  Depending on when you
read this, this might mean installing ruby-all-dev from experimental, or ir the
transition has alraedy started in unstable, a normal build on unstable should
do it.  If you fail to reproduce, please provide a build log and diff it with
mine so that we can identify if something relevant changed in the meantime.

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please marking it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects
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