Revert "Revert "Use new implementation of Maven version standard""

common/lib/dependabot/config/ignore_condition.rb

@@ -57,54 +57,20 @@ def versions_by_type(dependency)
         version = correct_version_for(dependency)
         return [] unless version
 
-        semver = version.to_semver
-
         transformed_update_types.flat_map do |t|
           case t
           when PATCH_VERSION_TYPE
-            ignore_patch(semver)
+            version.ignored_patch_versions
           when MINOR_VERSION_TYPE
-            ignore_minor(semver)
+            version.ignored_minor_versions
           when MAJOR_VERSION_TYPE
-            ignore_major(semver)
+            version.ignored_major_versions
           else
             []
           end
         end.compact
       end
 
-      sig { params(version: String).returns(T::Array[String]) }
-      def ignore_patch(version)
-        parts = version.split(".")
-        version_parts = parts.fill("0", parts.length...2)
-        upper_parts = version_parts.first(1) + [version_parts[1].to_i + 1]
-        lower_bound = "> #{version}"
-        upper_bound = "< #{upper_parts.join('.')}"
-
-        ["#{lower_bound}, #{upper_bound}"]
-      end
-
-      sig { params(version: String).returns(T::Array[String]) }
-      def ignore_minor(version)
-        parts = version.split(".")
-        version_parts = parts.fill("0", parts.length...2)
-        lower_parts = version_parts.first(1) + [version_parts[1].to_i + 1] + ["a"]
-        upper_parts = version_parts.first(0) + [version_parts[0].to_i + 1]
-        lower_bound = ">= #{lower_parts.join('.')}"
-        upper_bound = "< #{upper_parts.join('.')}"
-
-        ["#{lower_bound}, #{upper_bound}"]
-      end
-
-      sig { params(version: String).returns(T::Array[String]) }
-      def ignore_major(version)
-        version_parts = version.split(".")
-        lower_parts = [version_parts[0].to_i + 1] + ["a"]
-        lower_bound = ">= #{lower_parts.join('.')}"
-
-        [lower_bound]
-      end
-
       sig { params(dependency: Dependency).returns(T.nilable(Version)) }
       def correct_version_for(dependency)
         version = dependency.version

common/lib/dependabot/version.rb

@@ -36,5 +36,37 @@ def self.correct?(version)
     def to_semver
       @original_version
     end
+
+    sig { overridable.returns(T::Array[String]) }
+    def ignored_patch_versions
+      parts = to_semver.split(".")
+      version_parts = parts.fill("0", parts.length...2)
+      upper_parts = version_parts.first(1) + [version_parts[1].to_i + 1]
+      lower_bound = "> #{to_semver}"
+      upper_bound = "< #{upper_parts.join('.')}"
+
+      ["#{lower_bound}, #{upper_bound}"]
+    end
+
+    sig { overridable.returns(T::Array[String]) }
+    def ignored_minor_versions
+      parts = to_semver.split(".")
+      version_parts = parts.fill("0", parts.length...2)
+      lower_parts = version_parts.first(1) + [version_parts[1].to_i + 1] + ["a"]
+      upper_parts = version_parts.first(0) + [version_parts[0].to_i + 1]
+      lower_bound = ">= #{lower_parts.join('.')}"
+      upper_bound = "< #{upper_parts.join('.')}"
+
+      ["#{lower_bound}, #{upper_bound}"]
+    end
+
+    sig { overridable.returns(T::Array[String]) }
+    def ignored_major_versions
+      version_parts = to_semver.split(".")
+      lower_parts = [version_parts[0].to_i + 1] + ["a"]
+      lower_bound = ">= #{lower_parts.join('.')}"
+
+      [lower_bound]
+    end
   end
 end

common/spec/dependabot/version_spec.rb

@@ -0,0 +1,33 @@
+# typed: true
+# frozen_string_literal: true
+
+require "spec_helper"
+require "dependabot/version"
+
+RSpec.describe Dependabot::Version do
+  subject(:version) { described_class.new(version_string) }
+
+  describe "#ignored_major_versions" do
+    subject(:ignored_versions) { version.ignored_major_versions }
+
+    let(:version_string) { "1.2.3-alpha.1" }
+
+    it { is_expected.to eq([">= 2.a"]) }
+  end
+
+  describe "#ignored_minor_versions" do
+    subject(:ignored_versions) { version.ignored_minor_versions }
+
+    let(:version_string) { "1.2.3-alpha.1" }
+
+    it { is_expected.to eq([">= 1.3.a, < 2"]) }
+  end
+
+  describe "#ignored_patch_versions" do
+    subject(:ignored_versions) { version.ignored_patch_versions }
+
+    let(:version_string) { "1.2.3-alpha.1" }
+
+    it { is_expected.to eq(["> #{version_string}, < 1.3"]) }
+  end
+end

maven/lib/dependabot/maven/update_checker/requirements_updater.rb

@@ -50,12 +50,8 @@ def updated_requirements
         attr_reader :properties_to_update
 
         def update_requirement(req_string)
-          if req_string.include?(".+")
-            update_dynamic_requirement(req_string)
-          else
-            # Since range requirements are excluded this must be exact
-            update_exact_requirement(req_string)
-          end
+          # Since range requirements are excluded this must be exact
+          update_exact_requirement(req_string)
         end
 
         def update_exact_requirement(req_string)
@@ -64,16 +60,6 @@ def update_exact_requirement(req_string)
           req_string.gsub(old_version.to_s, latest_version.to_s)
         end
 
-        # This is really only a Gradle thing, but Gradle relies on this
-        # RequirementsUpdater too
-        def update_dynamic_requirement(req_string)
-          precision = req_string.split(".").take_while { |s| s != "+" }.count
-
-          version_parts = latest_version.segments.first(precision)
-
-          version_parts.join(".") + ".+"
-        end
-
         def version_class
           Maven::Version
         end