module Atomos
Constants
- VERSION
Public Class Methods
default_tmpdir_for_file(dest, tmpdir)
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# File lib/atomos.rb, line 33 def self.default_tmpdir_for_file(dest, tmpdir) tmpdir ||= begin require 'tmpdir' Dir.tmpdir end # Ensure the destination is on the same device as tmpdir if File.stat(tmpdir).dev != File.stat(File.dirname(dest)).dev # If not, use the directory of the destination as the tmpdir. tmpdir = File.dirname(dest) end tmpdir end
Public Instance Methods
atomic_write(dest, contents = nil, tmpdir: nil) { |tmpfile| ... }
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# File lib/atomos.rb, line 9 def atomic_write(dest, contents = nil, tmpdir: nil, &block) unless contents.nil? ^ block.nil? raise ArgumentError, 'must provide either contents or a block' end tmpdir = Atomos.default_tmpdir_for_file(dest, tmpdir) require 'tempfile' Tempfile.open(".atomos.#{File.basename(dest)}", tmpdir) do |tmpfile| if contents tmpfile << contents else retval = yield tmpfile end tmpfile.close File.rename(tmpfile.path, dest) retval end end