Set Rubocop’s target Ruby version to 3.0

This is the oldest Ruby version the CI is configured to test.
deitch · Apr 29, 2024 · 4faefe3 · 4faefe3
1 parent 846e8b3
commit 4faefe3
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diff --git a/.rubocop.yml b/.rubocop.yml
@@ -1,10 +1,15 @@
 AllCops:
   NewCops: enable
+  TargetRubyVersion: 3.0
 
 Metrics/BlockLength:
   Enabled: false
 
 Metrics/MethodLength:
   Enabled: false
 
+# each_key is not supported by Ruby 3.0.
+Style/HashEachMethods:
+  Enabled: false
+
 inherit_from: .rubocop_todo.yml
diff --git a/lib/registry/registry.rb b/lib/registry/registry.rb
@@ -247,7 +247,7 @@ def parse_link_header(header)
       links = {}
 
       # Parse each part into a named link
-      parts.each_key do |part|
+      parts.each do |part, _index|
         section = part.split(';')
         url = section[0][/<(.*)>/, 1]
         name = section[1][/rel="?([^"]*)"?/, 1].to_sym