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#!/usr/bin/env ruby
# Wrap the passed the files with a guard (e.g., `ruby_version_is ""..."3.0"`).
# Notably if some methods are removed, this is a convenient way to skip such file from a given version.
# Example usage:
# $ spec/mspec/tool/wrap_with_guard.rb 'ruby_version_is ""..."3.0"' spec/ruby/library/set/sortedset/**/*_spec.rb
guard, *files = ARGV
abort "Usage: #{$0} GUARD FILES..." if files.empty?
files.each do |file|
contents = File.binread(file)
lines = contents.lines.to_a
lines = lines.map { |line| line.chomp.empty? ? line : " #{line}" }
version_line = "#{guard} do\n"
if lines[0] =~ /^\s*require.+spec_helper/
lines[0] = lines[0].sub(/^ /, '')
lines.insert 1, "\n", version_line
else
warn "Could not find 'require spec_helper' line in #{file}"
lines.insert 0, version_line
end
lines << "end\n"
File.binwrite file, lines.join
end
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