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#!ruby
require "pathname"
require "open3"
def backup_gcda_files(gcda_files)
gcda_files = gcda_files.map do |gcda|
[gcda, gcda.sub_ext(".bak")]
end
begin
gcda_files.each do |before, after|
before.rename(after)
end
yield
ensure
gcda_files.each do |before, after|
after.rename(before)
end
end
end
$info_files = []
def run_lcov(dir, info)
$info_files << info
system("lcov", "-c", "-d", dir, "--rc", "lcov_branch_coverage=1", "-o", info)
end
gcda_files = Pathname.glob("**/*.gcda")
ext_gcda_files = gcda_files.select {|f| f.fnmatch("ext/*") }
rubyspec_temp_gcda_files = gcda_files.select {|f| f.fnmatch("rubyspec_temp/*") }
backup_gcda_files(rubyspec_temp_gcda_files) do
backup_gcda_files(ext_gcda_files) do
info = "lcov-root.info"
run_lcov(".", info)
end
ext_gcda_files.group_by {|f| f.descend.to_a[1] }.each do |key, files|
info = "lcov-#{ key.to_s.gsub(File::Separator, "-") }.info"
run_lcov(key.to_s, info)
end
end
system("lcov", *$info_files.flat_map {|f| ["-a", f] }, "-o", "lcov-c-all.info")
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