patch DotnetSdk::Requirement

dotnet_sdk/lib/dependabot/dotnet_sdk/requirement.rb

@@ -16,6 +16,17 @@ class Requirement < Dependabot::Requirement
       def self.requirements_array(requirement_string)
         [new(requirement_string)]
       end
+
+      # Patches Gem::Requirement to make it accept requirement strings like
+      # "~> 4.2.5, >= 4.2.5.1" without first needing to split them.
+      sig { params(requirements: T.nilable(String)).void }
+      def initialize(*requirements)
+        requirements = requirements.flatten.flat_map do |req_string|
+          req_string&.split(",")&.map(&:strip)
+        end.compact
+
+        super(requirements)
+      end
     end
   end
 end

dotnet_sdk/spec/dependabot/dotnet_sdk/requirement_spec.rb

@@ -0,0 +1,21 @@
+# typed: false
+# frozen_string_literal: true
+
+require "spec_helper"
+require "dependabot/dotnet_sdk/requirement"
+
+RSpec.describe Dependabot::DotnetSdk::Requirement do
+  subject(:requirement) { described_class.new(requirement_string) }
+
+  let(:requirement_string) { ">=9.0.100" }
+
+  describe ".new" do
+    it { is_expected.to be_a(described_class) }
+
+    context "with a comma-separated string" do
+      let(:requirement_string) { ">= 9.1.a, < 10" }
+
+      it { is_expected.to eq(Gem::Requirement.new(">= 9.1.a", "< 10")) }
+    end
+  end
+end