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module Chouette::CommandLineSupport
class ExecutionError < StandardError; end
def available_loggers
[].tap do |logger|
logger << Chouette::ActiveRecord.logger
logger << Rails.logger if defined?(Rails)
logger << Logger.new($stdout)
end.compact
end
def logger
@logger ||= available_loggers.first
end
def max_output_length
2000
end
def execute!(command)
logger.debug "execute '#{command}'"
output = `#{command} 2>&1`
output = "[...] #{output[-max_output_length,max_output_length]}" if output.length > max_output_length
logger.info output unless output.empty?
if $? != 0
raise ExecutionError.new("Command failed: #{command} (error code #{$?})")
end
true
end
end
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