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show meaningful error message with an unknown command

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Fixes #5772
This commit is contained in:
Joao Duarte 2016-08-17 10:47:50 +01:00 • committed by João Duarte
parent 22c857556f
commit 59bc304f27
1 changed files with 6 additions and 0 deletions
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6
logstash-core/lib/logstash/patches/clamp.rb
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@ -63,6 +63,12 @@ module Clamp
class << self
include ::Clamp::Option::StrictDeclaration
end
def handle_remaining_arguments
unless remaining_arguments.empty?
signal_usage_error "Unknown command '#{remaining_arguments.first}'"
end
end
end
end