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# File 'lib/graphomaton/atomic_file.rb', line 7
def self.write(filename, content, binary: false)
destination = File.expand_path(filename)
directory = File.dirname(destination)
basename = File.basename(destination)
existing_mode = File.stat(destination).mode & 0o7777 if File.exist?(destination)
Tempfile.create([".#{basename}", '.tmp'], directory, binmode: binary) do |temporary|
temporary.binmode if binary
temporary.chmod(existing_mode) if existing_mode
temporary.write(content)
temporary.flush
temporary.fsync
temporary.close
File.rename(temporary.path, destination)
end
content.bytesize
end
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