[Fix #6793] Clarify ruby version error

Showing it came from `RuboCop`.
rubocop · Jun 25, 2019 · 445b342 · 445b342
1 parent ca01b3e
commit 445b342
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Showing 3 changed files with 11 additions and 9 deletions.
diff --git a/lib/rubocop/config.rb b/lib/rubocop/config.rb
@@ -629,13 +629,13 @@ def check_target_ruby
       return if KNOWN_RUBIES.include?(target_ruby_version)
 
       msg = if OBSOLETE_RUBIES.include?(target_ruby_version)
-              "Unsupported Ruby version #{target_ruby_version} found in " \
-              "#{target_ruby_source}. #{target_ruby_version}-compatible " \
+              "RuboCop found unsupported Ruby version #{target_ruby_version} " \
+              "in #{target_ruby_source}. #{target_ruby_version}-compatible " \
               'analysis was dropped after version ' \
               "#{OBSOLETE_RUBIES[target_ruby_version]}."
             else
-              "Unknown Ruby version #{target_ruby_version.inspect} found in " \
-              "#{target_ruby_source}."
+              'RuboCop found unknown Ruby version ' \
+              "#{target_ruby_version.inspect} in #{target_ruby_source}."
             end
 
       msg += "\nSupported versions: #{KNOWN_RUBIES.join(', ')}"

diff --git a/lib/rubocop/processed_source.rb b/lib/rubocop/processed_source.rb
@@ -187,7 +187,8 @@ def parser_class(ruby_version)
         require 'parser/ruby27'
         Parser::Ruby27
       else
-        raise ArgumentError, "Unknown Ruby version: #{ruby_version.inspect}"
+        raise ArgumentError,
+              "RuboCop found unknown Ruby version: #{ruby_version.inspect}"
       end
     end
     # rubocop:enable Metrics/MethodLength

diff --git a/spec/rubocop/cli_spec.rb b/spec/rubocop/cli_spec.rb
@@ -1615,8 +1615,8 @@ def method(foo, bar, qux, fred, arg5, f) end #{'#' * 45}
             TargetRubyVersion: 2.8
         YAML
         expect(cli.run([])).to eq(2)
-        expect($stderr.string.strip).to match(
-          /\AError: Unknown Ruby version 2.8 found in `TargetRubyVersion`/
+        expect($stderr.string.strip).to start_with(
+          'Error: RuboCop found unknown Ruby version 2.8 in `TargetRubyVersion`'
         )
         expect($stderr.string.strip).to match(
           /Supported versions: 2.3, 2.4, 2.5, 2.6, 2.7/
@@ -1632,8 +1632,9 @@ def method(foo, bar, qux, fred, arg5, f) end #{'#' * 45}
         YAML
 
         expect(cli.run([])).to eq(2)
-        expect($stderr.string.strip).to match(
-          /\AError: Unsupported Ruby version 2.0 found in `TargetRubyVersion`/
+        expect($stderr.string.strip).to start_with(
+          'Error: RuboCop found unsupported Ruby version 2.0 in '\
+          '`TargetRubyVersion`'
         )
 
         expect($stderr.string.strip).to match(