Add support for alpha characters in versions

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [0.1.3] - Unreleased
 
+### Added
+
+- Support for alhpa characters in version numbers
+- Support for English names for Greek alphabet letters in version numbers
+
 ## [0.1.2] - 2024-06-08
 
 ### Fixed:

lib/reissue/version_updater.rb

@@ -1,4 +1,8 @@
 module Reissue
+  module_function def greeks
+    %w[alpha beta gamma delta epsilon zeta eta theta kappa lambda mu nu xi omicron pi rho sigma tau upsilon phi chi psi omega]
+  end
+
   # Provides versioning functionality for the application.
   module Versioning
     # Provides versioning functionality for the application.
@@ -9,12 +13,24 @@ module Versioning
       #   Possible values are :major, :minor, or any other symbol.
       # @return [Gem::Version] The updated version.
       def redo(segment_name)
-        if segment_name.to_s == "major"
-          ::Gem::Version.new("#{segments[0].to_i + 1}.0.0")
-        elsif segment_name.to_s == "minor"
-          ::Gem::Version.new("#{segments[0]}.#{segments[1].to_i + 1}.0")
+        ::Gem::Version.create({
+          major: [segments[0].next, 0, 0],
+          minor: [segments[0], segments[1].next, 0],
+          patch: [segments[0], segments[1], segments[2].next]
+        }.fetch(segment_name.to_sym).join("."))
+      end
+    end
+
+    refine ::String do
+      def greek?
+        Reissue.greeks.include?(downcase)
+      end
+
+      def next
+        if greek?
+          Reissue.greeks[Reissue.greeks.index(downcase).next]
         else
-          ::Gem::Version.new("#{segments[0]}.#{segments[1]}.#{segments[2].to_i + 1}")
+          succ
         end
       end
     end
@@ -62,7 +78,7 @@ def update(segment)
     # Regular expression pattern for matching the version string.
     #
     # @return [Regexp] The version regex pattern.
-    def version_regex = /(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+)/
+    def version_regex = /(?<major>[a-zA-Z\d]+)\.(?<minor>[a-zA-Z\d]+)\.(?<patch>[a-zA-Z\d]+)/
 
     # Writes the updated version to the specified file.
     #

test/fixtures/alpha_version.rb

@@ -0,0 +1,5 @@
+module Reissue
+  module AlphaGem
+    VERSION = "0.1.B"
+  end
+end

test/fixtures/greek_version.rb

@@ -0,0 +1,5 @@
+module Reissue
+  module GreekGem
+    VERSION = "2.32.beta"
+  end
+end

test/test_version_updater.rb

@@ -38,5 +38,19 @@ class TestVersionUpdater < Minitest::Spec
       contents = @version_updater.update("patch")
       assert_equal "0.1.1", contents
     end
+
+    it "works with letters in the version string" do
+      @file = File.expand_path("fixtures/alpha_version.rb", __dir__)
+      @version_updater = Reissue::VersionUpdater.new(@file)
+      contents = @version_updater.update("patch")
+      assert_equal "0.1.C", contents
+    end
+
+    it "works with greek alphabet names" do
+      @file = File.expand_path("fixtures/greek_version.rb", __dir__)
+      @version_updater = Reissue::VersionUpdater.new(@file)
+      contents = @version_updater.update("patch")
+      assert_equal "2.32.gamma", contents
+    end
   end
 end