From: "k0kubun (Takashi Kokubun) via ruby-core" <ruby-core@...>
Date: 2025-02-14T01:43:16+00:00
Subject: [ruby-core:120998] [Ruby master Bug#21113] net-smtp.gemspec is broken at Ruby 3.3/3.4

Issue #21113 has been updated by k0kubun (Takashi Kokubun).

Backport changed from 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED, 3.4: REQUIRED to 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED, 3.4: DONE

ruby_3_4 commit:555373aec859413efd3237cf717931f4b7ac1cb1.

----------------------------------------
Bug #21113: net-smtp.gemspec is broken at Ruby 3.3/3.4
https://bugs.ruby-lang.org/issues/21113#change-111906

* Author: hsbt (Hiroshi SHIBATA)
* Status: Closed
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED, 3.4: DONE
----------------------------------------
The bundled `net-smtp-0.4.0.1` at Ruby 3.3 and `net-smtp-0.5.0` at Ruby 3.4 are broken. 

```
��� diff -u 3.2.7/lib/ruby/gems/3.2.0/specifications/net-smtp-0.3.4.gemspec 3.3.7/lib/ruby/gems/3.3.0/specifications/net-smtp-0.4.0.1.gemspec
--- 3.2.7/lib/ruby/gems/3.2.0/specifications/net-smtp-0.3.4.gemspec     2025-02-05 14:31:27
+++ 3.3.7/lib/ruby/gems/3.3.0/specifications/net-smtp-0.4.0.1.gemspec   2025-02-05 14:33:37
@@ -1,26 +1,22 @@
 # -*- encoding: utf-8 -*-
-# stub: net-smtp 0.3.4 ruby lib
+# stub: net-smtp 0.4.0.1 ruby lib

 Gem::Specification.new do |s|
   s.name = "net-smtp".freeze
-  s.version = "0.3.4"
+  s.version = "0.4.0.1".freeze

   s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
   s.metadata = { "homepage_uri" => "https://github.com/ruby/net-smtp", "source_code_uri" => "https://github.com/ruby/net-smtp" } if s.respond_to? :metadata=
   s.require_paths = ["lib".freeze]
   s.authors = ["Yukihiro Matsumoto".freeze]
-  s.date = "2025-02-04"
+  s.date = "2025-01-15"
   s.description = "Simple Mail Transfer Protocol client library for Ruby.".freeze
   s.email = ["matz@ruby-lang.org".freeze]
   s.homepage = "https://github.com/ruby/net-smtp".freeze
   s.licenses = ["Ruby".freeze, "BSD-2-Clause".freeze]
   s.required_ruby_version = Gem::Requirement.new(">= 2.6.0".freeze)
-  s.rubygems_version = "3.4.19".freeze
+  s.rubygems_version = "3.4.20".freeze
   s.summary = "Simple Mail Transfer Protocol client library for Ruby.".freeze

-  s.installed_by_version = "3.4.19" if s.respond_to? :installed_by_version
-
-  s.specification_version = 4
-
-  s.add_runtime_dependency(%q<net-protocol>.freeze, [">= 0"])
+  s.installed_by_version = "3.5.22".freeze
 end
```


```
��� diff -u 3.2.7/lib/ruby/gems/3.2.0/specifications/net-smtp-0.3.4.gemspec 3.4.1/lib/ruby/gems/3.4.0/specifications/net-smtp-0.5.0.gemspec
--- 3.2.7/lib/ruby/gems/3.2.0/specifications/net-smtp-0.3.4.gemspec     2025-02-05 14:31:27
+++ 3.4.1/lib/ruby/gems/3.4.0/specifications/net-smtp-0.5.0.gemspec     2025-02-05 14:36:00
@@ -1,26 +1,22 @@
 # -*- encoding: utf-8 -*-
-# stub: net-smtp 0.3.4 ruby lib
+# stub: net-smtp 0.5.0 ruby lib

 Gem::Specification.new do |s|
   s.name = "net-smtp".freeze
-  s.version = "0.3.4"
+  s.version = "0.5.0".freeze

   s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
   s.metadata = { "homepage_uri" => "https://github.com/ruby/net-smtp", "source_code_uri" => "https://github.com/ruby/net-smtp" } if s.respond_to? :metadata=
   s.require_paths = ["lib".freeze]
   s.authors = ["Yukihiro Matsumoto".freeze]
-  s.date = "2025-02-04"
+  s.date = "2024-12-25"
   s.description = "Simple Mail Transfer Protocol client library for Ruby.".freeze
   s.email = ["matz@ruby-lang.org".freeze]
   s.homepage = "https://github.com/ruby/net-smtp".freeze
   s.licenses = ["Ruby".freeze, "BSD-2-Clause".freeze]
   s.required_ruby_version = Gem::Requirement.new(">= 2.6.0".freeze)
-  s.rubygems_version = "3.4.19".freeze
+  s.rubygems_version = "3.4.20".freeze
   s.summary = "Simple Mail Transfer Protocol client library for Ruby.".freeze

-  s.installed_by_version = "3.4.19" if s.respond_to? :installed_by_version
-
-  s.specification_version = 4
-
-  s.add_runtime_dependency(%q<net-protocol>.freeze, [">= 0"])
+  s.installed_by_version = "3.6.2".freeze
 end
```

The broken gemspecs lost `net-protocol` dependency at fresh installation from Ruby package. This is similar issue with #20581 

The workaround is `gem install net-smtp` and overwrite `net-smtp` gemspec after Ruby installation.





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