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module Rake
module Backtrace
SUPPRESSED_PATHS =
RbConfig::CONFIG.values_at(*RbConfig::CONFIG.
keys.grep(/(prefix|libdir)/)).uniq + [
File.join(File.dirname(__FILE__), ".."),
].map { |f| Regexp.quote(File.expand_path(f)) }
SUPPRESSED_PATHS.reject! { |s| s.nil? || s =~ /^ *$/ }
SUPPRESS_PATTERN = %r!(\A#{SUPPRESSED_PATHS.join('|')}|bin/rake:\d+)!i
def self.collapse(backtrace)
pattern = Rake.application.options.suppress_backtrace_pattern ||
SUPPRESS_PATTERN
backtrace.reject { |elem| elem =~ pattern }
end
end
end
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