Merge pull request #1850 from rrosenblum/multilevel_flatten

[Fix #1849] Fix bug with nested arrays in Rake task configuration
rubocop · Apr 30, 2015 · 3a56293 · 3a56293
2 parents 494fc90 + c9c4f49
commit 3a56293
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -21,6 +21,7 @@
 * [#1832](https://github.com/bbatsov/rubocop/pull/1832): Fix bug in `UnusedMethodArgument` that would cause them to report having been auto-corrected when they were not. ([@jonas054][])
 * [#1834](https://github.com/bbatsov/rubocop/issues/1834): Support only boolean values for `AutoCorrect` configuration parameter, and remove warning for unknown parameter. ([@jonas054][])
 * [#1843](https://github.com/bbatsov/rubocop/issues/1843): Fix crash in `TrailingBlankLines` when a file ends with a block comment without final newline. ([@jonas054][])
+* [#1849](https://github.com/bbatsov/rubocop/issues/1849): Fix bug where you can not have nested arrays in the Rake task configuration. ([@rrosenblum][])
 
 ## 0.30.1 (21/04/2015)
 

diff --git a/lib/rubocop/rake_task.rb b/lib/rubocop/rake_task.rb
@@ -53,8 +53,8 @@ def run_cli(verbose, options)
 
     def full_options
       [].tap do |result|
-        result.concat(formatters.flat_map { |f| ['--format', f] })
-        result.concat(requires.flat_map { |r| ['--require', r] })
+        result.concat(formatters.map { |f| ['--format', f] }.flatten)
+        result.concat(requires.map { |r| ['--require', r] }.flatten)
         result.concat(options)
         result.concat(patterns)
       end