[ruby/rubygems] Reject `override :all, version:` in Bundler::Dsl

Version requirements are per-gem and have no meaning relative to the
`:all` target. Raise ArgumentError at the DSL entry point and store
nothing when this combination is given, even if other valid fields
are mixed in the same call.

https://github.com/ruby/rubygems/commit/aabf71f46f

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2 files changed, 23 insertions, 0 deletions

diff --git a/lib/bundler/dsl.rb b/lib/bundler/dsl.rb
index a5df3235b1..7a4fc3909e 100644
--- a/lib/bundler/dsl.rb
+++ b/lib/bundler/dsl.rb
@@ -186,6 +186,10 @@ module Bundler
     end
 
     def override(target, **operations)
+      if target == :all && operations.key?(:version)
+        raise ArgumentError, "`override :all, version:` is not allowed; version requirements are per-gem"
+      end
+
       operations.each do |field, operation|
         @overrides << Override.new(target, field, operation)
       end
diff --git a/spec/bundler/bundler/dsl_spec.rb b/spec/bundler/bundler/dsl_spec.rb
index b0aa0fa05d..d5e5f830ce 100644
--- a/spec/bundler/bundler/dsl_spec.rb
+++ b/spec/bundler/bundler/dsl_spec.rb
@@ -397,5 +397,24 @@ RSpec.describe Bundler::Dsl do
     it "is empty by default" do
       expect(subject.overrides).to eq([])
     end
+
+    it "raises ArgumentError when target is :all and version: is given" do
+      expect do
+        subject.override(:all, version: ">= 8.0")
+      end.to raise_error(ArgumentError, /`override :all, version:` is not allowed/)
+    end
+
+    it "rejects :all + version: even when other fields are also given" do
+      expect do
+        subject.override(:all, required_ruby_version: :ignore_upper, version: ">= 8.0")
+      end.to raise_error(ArgumentError, /`override :all, version:` is not allowed/)
+    end
+
+    it "does not record any override when :all + version: is rejected" do
+      expect do
+        subject.override(:all, version: ">= 8.0")
+      end.to raise_error(ArgumentError)
+      expect(subject.overrides).to eq([])
+    end
   end
 end