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require 'yaml'
require 'rubocop/rake_task'
RuboCop::RakeTask.new
namespace 'rubocop' do
desc 'mikutter 4.1以降に変更されたファイルを .rubocop.blacklist.yml から取り除く'
task 'unblacklist' do
yaml = YAML.load_file('.rubocop.blacklist.yml')
blacklist = yaml.dig('AllCops', 'Exclude').to_set
excludes = Set[]
IO.popen('git log --numstat --no-merges --pretty="" 4.1.0..HEAD', 'r') do |rp|
rp.lazy.map { _1.chomp.split("\t", 3) }.each do |add, del, fn|
matched = fn.match(/{(\w*) => (\w*)}/)
if matched
after = matched.pre_match + matched[2] + matched.post_match
if blacklist.include?(after) && target?(add, del, after, 'renamed ')
excludes << after
end
elsif blacklist.include?(fn) && target?(add, del, fn)
excludes << fn
end
end
end
yaml['AllCops']['Exclude'] =
yaml['AllCops']['Exclude'].select(&FileTest.method(:exist?)) - excludes.to_a
File.open('.rubocop.blacklist.yml', 'w') do |wp|
YAML.dump(yaml, wp)
end
end
def target?(add, del, file_name, hint='')
if FileTest.exist?(file_name)
siz = File.open(file_name, 'r') { _1.readlines.size }
rate = add.to_i.fdiv(siz)
rate >= 0.5
else
true
end
end
end
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