build: Update to Ruby 3.2+ and prep for 3.0.0 release

Remove Ruby 3.1 (EOL March 2025) from testing matrix and update minimum
required version to >= 3.2.0. Add Ruby 3.4 to testing matrix and document
planned Ruby 4.0 support. Add comprehensive "Deprecated Rubies" section
to README documenting historical deprecations. Update CHANGELOG for 3.0.0
release.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: highb

.github/workflows/gem-push.yml

@@ -16,10 +16,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v6
-    - name: Set up Ruby 3.1
+    - name: Set up Ruby 3.4
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: '3.1'
+        ruby-version: '3.4'
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
 
     - name: Generate man page

.github/workflows/ruby.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.1', '3.2', '3.3']
+        ruby-version: ['3.2', '3.3', '3.4', '4.0.1']
     steps:
     - uses: actions/checkout@v6
     - name: Set up Ruby
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.1', '3.2', '3.3']
+        ruby-version: ['3.2', '3.3', '3.4', '4.0.1']
         raketasks: ['rubocop', 'spec', 'docs']
     steps:
     - uses: actions/checkout@v6

CHANGELOG.md

@@ -1,5 +1,20 @@
 # pathspec-ruby CHANGELOG
 
+## 3.0.0 (Major Release)
+
+### Breaking Changes
+
+- (Maint) Remove Ruby 3.1 support (EOL March 2025). The Gem now requires >= 3.2.0
+- Updated minimum required Ruby version in gemspec from >= 3.1.0 to >= 3.2.0
+
+### Maintenance
+
+- Added Ruby 3.4 to testing matrix (Stable, Tested)
+- Added Ruby 4.0.1 to testing matrix (Preview, Tested)
+- Updated CI workflows to use Ruby 3.4 for gem publishing
+- Updated README with comprehensive "Deprecated Rubies" section documenting historical deprecations
+- Updated "Supported Rubies" section in README to reflect current testing matrix (3.2, 3.3, 3.4, 4.0.1)
+
 ## 2.1.0
 
 ## refactor/perf

README.md

@@ -6,9 +6,20 @@
 
 [Supported Rubies](https://www.ruby-lang.org/en/downloads/):
 
-- 3.1 (Stable, Tested)
 - 3.2 (Stable, Tested)
 - 3.3 (Stable, Tested)
+- 3.4 (Stable, Tested)
+- 4.0.1 (Preview, Tested)
+
+## Deprecated Rubies
+
+The following Ruby versions are no longer supported. If you need to use an older Ruby version, please use an earlier version of this gem:
+
+- Ruby 3.1: Deprecated in version 3.0.0 (current project, not yet released)
+- Ruby 3.0: Deprecated in version 2.0.0 (January 2024)
+- Ruby 2.x (2.6-2.7): Deprecated in version 2.0.0 (January 2024)
+- Ruby 2.5 and earlier: Deprecated in version 1.0.0 (January 2021)
+- Ruby 1.8 and 1.9: Deprecated in version 0.2.0 (circa 2017)
 
 Match Path Specifications, such as .gitignore, in Ruby!
 

pathspec.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
   s.metadata['rubygems_mfa_required'] = 'true'
   s.homepage = 'https://github.com/highb/pathspec-ruby'
   s.license = 'Apache-2.0'
-  s.required_ruby_version = '>= 3.1.0'
+  s.required_ruby_version = '>= 3.2.0'
   s.add_development_dependency 'bundler', '~> 2.2'
   s.add_development_dependency 'fakefs', '~> 2.5'
   s.add_development_dependency 'kramdown', '~> 2.3'