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#!/usr/bin/env ruby
def main(check)
go_files = Dir['go/**/*.go'].reject { |p| p.start_with?('go/vendor/') }
cmd = %w[gofmt -s -l]
cmd << '-w' unless check
cmd += go_files
output = IO.popen(cmd, 'r', &:read)
$stdout.write(output)
abort 'gofmt failed' unless $?.success?
if check && output.lines.any? { |l| l != "\n" }
abort "\nPlease run #{$0} to fix formatting"
end
end
main(ARGV.first == 'check')
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