89 lines
1.8 KiB
Ruby
89 lines
1.8 KiB
Ruby
# Write the given objects to the standard output – except if Rake is configured
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# to be quiet.
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#
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# This is useful when running tests (when Rake is configured to be quiet),
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# to avoid spamming the output with extra informations.
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def rake_puts(*args)
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if Rake.verbose
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puts(*args)
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end
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end
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def rake_print(*args)
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if Rake.verbose
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print(*args)
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end
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end
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# Display progress of a long-running Rake task.
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#
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# Usage:
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#
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# ```
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# progress = ProgressReport.new(100)
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# (0..100).times do
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# progress.inc
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# end
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# progress.finish
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# ````
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class ProgressReport
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def initialize(total)
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@start = Time.zone.now
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rake_puts
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set_progress(total: total, count: 0)
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end
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def inc(amount = 1)
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set_progress(count: @count + amount)
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if @per_10_000 % 10 == 0
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print_progress
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end
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end
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def set(count)
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set_progress(count: count)
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if @per_10_000 % 10 == 0
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print_progress
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end
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end
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def finish
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if @count > 0 && @per_10_000 != 10_000
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set_progress(total: @count)
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print_progress
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end
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rake_puts
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end
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private
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def set_progress(total: nil, count: nil)
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if total.present?
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@total = total
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end
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if count.present?
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@count = count
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@total = [@count, @total].max
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end
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if @total&.nonzero?
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@per_10_000 = 10_000 * @count / @total
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end
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end
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def print_progress
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elapsed = Time.zone.now - @start
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percent = format('%5.1f%%', @per_10_000 / 100.0)
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total = @total.to_s
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count = @count.to_s.rjust(total.length)
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rake_print("\r#{percent} (#{count}/#{total}) [#{format_duration(elapsed)}/#{format_duration(elapsed * 10_000.0 / @per_10_000)}]")
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end
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def format_duration(seconds)
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if seconds.finite?
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Time.zone.at(seconds).utc.strftime('%H:%M:%S')
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else
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'--:--:--'
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end
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end
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end
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