Use requirements_array for all ignore reqs

bundler/lib/dependabot/bundler/update_checker/latest_version_finder.rb

@@ -111,7 +111,7 @@ def dependency_source
         end
 
         def ignore_reqs
-          ignored_versions.map { |req| Gem::Requirement.new(req.split(",")) }
+          ignored_versions.flat_map { |req| requirement_class.requirements_array(req) }
         end
 
         def gemfile

cargo/lib/dependabot/cargo/update_checker/latest_version_finder.rb

@@ -109,7 +109,7 @@ def wants_prerelease?
         end
 
         def ignore_reqs
-          ignored_versions.map { |req| requirement_class.new(req.split(",")) }
+          ignored_versions.flat_map { |req| requirement_class.requirements_array(req) }
         end
 
         def version_class

common/lib/dependabot/git_commit_checker.rb

@@ -318,7 +318,7 @@ def listing_upload_pack
     end
 
     def ignore_reqs
-      ignored_versions.map { |req| requirement_class.new(req.split(",")) }
+      ignored_versions.flat_map { |req| requirement_class.requirements_array(req) }
     end
 
     def wants_prerelease?

docker/lib/dependabot/docker/update_checker.rb

@@ -366,9 +366,7 @@ def filter_ignored(candidate_tags)
       end
 
       def ignore_reqs
-        # NOTE: we use Gem::Requirement here because ignore conditions will
-        # be passed as Ruby ranges
-        ignored_versions.map { |req| Gem::Requirement.new(req.split(",")) }
+        ignored_versions.flat_map { |req| requirement_class.requirements_array(req) }
       end
     end
   end

elm/lib/dependabot/elm/update_checker.rb

@@ -120,9 +120,7 @@ def requirements_up_to_date?
       end
 
       def ignore_reqs
-        # NOTE: we use Gem::Requirement here because ignore conditions will
-        # be passed as Ruby ranges
-        ignored_versions.map { |req| Gem::Requirement.new(req.split(",")) }
+        ignored_versions.flat_map { |req| requirement_class.requirements_array(req) }
       end
     end
   end

hex/lib/dependabot/hex/requirement.rb

@@ -26,6 +26,16 @@ def self.requirements_array(requirement_string)
         end
       end
 
+      # Patches Gem::Requirement to make it accept requirement strings like
+      # "~> 4.2.5, >= 4.2.5.1" without first needing to split them.
+      def initialize(*requirements)
+        requirements = requirements.flatten.flat_map do |req_string|
+          req_string.split(",")
+        end
+
+        super(requirements)
+      end
+
       # Override the parser to create Hex::Versions
       def self.parse(obj)
         return ["=", Hex::Version.new(obj.to_s)] if obj.is_a?(Gem::Version)

npm_and_yarn/lib/dependabot/npm_and_yarn/requirement.rb

@@ -45,9 +45,9 @@ def self.requirements_array(requirement_string)
       end
 
       def initialize(*requirements)
-        requirements = requirements.flatten.flat_map do |req_string|
-          convert_js_constraint_to_ruby_constraint(req_string)
-        end
+        requirements = requirements.flatten.
+                       flat_map { |req_string| req_string.split(",") }.
+                       flat_map { |req_string| convert_js_constraint_to_ruby_constraint(req_string) }
 
         super(requirements)
       end

npm_and_yarn/lib/dependabot/npm_and_yarn/update_checker/latest_version_finder.rb

@@ -389,7 +389,7 @@ def registry_finder
         end
 
         def ignore_reqs
-          ignored_versions.map { |req| requirement_class.new(req.split(",")) }
+          ignored_versions.flat_map { |req| requirement_class.requirements_array(req) }
         end
 
         def version_class

python/lib/dependabot/python/update_checker/latest_version_finder.rb

@@ -227,7 +227,7 @@ def registry_index_response(index_url)
         end
 
         def ignore_reqs
-          ignored_versions.map { |req| requirement_class.new(req.split(",")) }
+          ignored_versions.flat_map { |req| requirement_class.requirements_array(req) }
         end
 
         def normalised_name

terraform/lib/dependabot/terraform/requirement.rb

@@ -26,6 +26,16 @@ def self.parse(obj)
       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.
+      def initialize(*requirements)
+        requirements = requirements.flatten.flat_map do |req_string|
+          req_string.split(",")
+        end
+
+        super(requirements)
+      end
     end
   end
 end