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test-bot: add safety margin to output truncation size

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This commit is contained in:
Andrew Janke 2016-04-06 16:48:07 -04:00
parent bbb1fcd17c
commit 1f8b6cb576
1 changed files with 6 additions and 4 deletions
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10
Library/Homebrew/cmd/test-bot.rb
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@ -37,6 +37,8 @@ require "tap"
module Homebrew
BYTES_IN_1_MEGABYTE = 1024*1024
MAX_STEP_OUTPUT_SIZE = BYTES_IN_1_MEGABYTE - (200*1024) # margin of safety
HOMEBREW_TAP_REGEX = %r{^([\w-]+)/homebrew-([\w-]+)$}
def ruby_has_encoding?
@ -997,14 +999,14 @@ module Homebrew
output = output.delete("\000\a\b\e\f\x2\x1f")
end
# Truncate to 1MB
if output.bytesize > BYTES_IN_1_MEGABYTE
# Truncate to 1MB to avoid hitting CI limits
if output.bytesize > MAX_STEP_OUTPUT_SIZE
if ruby_has_encoding?
binary_output = output.force_encoding("BINARY")
output = binary_output.slice(-BYTES_IN_1_MEGABYTE, BYTES_IN_1_MEGABYTE)
output = binary_output.slice(-MAX_STEP_OUTPUT_SIZE, MAX_STEP_OUTPUT_SIZE)
fix_encoding!(output)
else
output = output.slice(-BYTES_IN_1_MEGABYTE, BYTES_IN_1_MEGABYTE)
output = output.slice(-MAX_STEP_OUTPUT_SIZE, MAX_STEP_OUTPUT_SIZE)
end
output = "truncated output to 1MB:\n" + output
end