Workflow fixes, pt. 1

.github/workflows/ruby.yml

@@ -18,7 +18,6 @@ permissions:
 
 jobs:
   test:
-
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -31,5 +30,10 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+    - name: Install correct Bundler version
+      run: |
+        if [[ "${{ matrix.ruby-version }}" == "2.7" ]]; then
+          gem install bundler -v "~> 2.4.0"
+        fi
     - name: Run tests
-      run: bundle exec rake
+      run: bundle exec rake

lib/wayback_machine_downloader.rb

@@ -42,7 +42,7 @@ class WaybackMachineDownloader
     @exclude_filter = params[:exclude_filter]
     @all = params[:all]
     @maximum_pages = params[:maximum_pages] ? params[:maximum_pages].to_i : 100
-    @threads_count = [params[:threads_count].to_i, 1].max # at least 1 thread
+    @threads_count = [params[:threads_count].to_i, 1].max # Garante mínimo de 1 thread
     @timeout = params[:timeout] || DEFAULT_TIMEOUT
     @logger = setup_logger
     @http_cache = Concurrent::Map.new
@@ -339,6 +339,7 @@ class WaybackMachineDownloader
   def validate_params(params)
     raise ArgumentError, "Base URL is required" unless params[:base_url]
     raise ArgumentError, "Maximum pages must be positive" if params[:maximum_pages] && params[:maximum_pages].to_i <= 0
+    # Removida validação de threads_count pois agora é forçado a ser positivo
   end
 
   def setup_logger

wayback_machine_downloader.gemspec

@@ -12,6 +12,7 @@ Gem::Specification.new do |s|
   s.homepage    = "https://github.com/hartator/wayback-machine-downloader"
   s.license     = "MIT"
   s.required_ruby_version = '>= 1.9.2'
+  s.add_runtime_dependency 'concurrent-ruby', '~> 1.2'
   s.add_development_dependency 'rake', '~> 12.2'
   s.add_development_dependency 'minitest', '~> 5.2'
 end