Module: RunLoop::DotDir

Defined in:
lib/run_loop/dot_dir.rb

Overview

A module for managing the ~/.run-loop directory.

Class Method Summary collapse

Class Method Details

.directory ⇒ Object 



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# File 'lib/run_loop/dot_dir.rb', line 4

def self.directory
  home = RunLoop::Environment.user_home_directory
  dir = File.join(home, ".run-loop")
  if !File.exist?(dir)
    FileUtils.mkdir_p(dir)
  end
  dir
end

.make_results_dir ⇒ Object 



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# File 'lib/run_loop/dot_dir.rb', line 13

def self.make_results_dir
  if RunLoop::Environment.xtc?
    next_results_dir = Dir.mktmpdir("run_loop")
  else
    results_dir = File.join(self.directory, 'results')
    next_results_dir = self.next_timestamped_dirname(results_dir)
    FileUtils.mkdir_p(next_results_dir)
  end

  next_results_dir
end

.next_timestamped_dirname(base_dir) ⇒ Object 



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# File 'lib/run_loop/dot_dir.rb', line 62

def self.next_timestamped_dirname(base_dir)
  dir = File.join(base_dir, self.timestamped_dirname)
  return dir if !File.exist?(dir)

  # Rather than wait, just increment the second.  Per-second accuracy
  # is not important; uniqueness is.
  counter = 0
  loop do
    break if !File.exist?(dir)
    break if counter == 4
    counter = counter + 1
    dir = File.join(base_dir, self.timestamped_dirname(counter))
  end

  # If all else fails, just return a unique UUID
  if File.exist?(dir)
    dir = File.join(base_dir, SecureRandom.uuid)
  end
  dir
end

.rotate_result_directories ⇒ Object 



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# File 'lib/run_loop/dot_dir.rb', line 25

def self.rotate_result_directories
  return :xtc if RunLoop::Environment.xtc?

  start = Time.now

  glob = "#{self.directory}/results/*"

  RunLoop.log_debug("Searching for run-loop results with glob: #{glob}")

  directories = Dir.glob(glob).select do |path|
    File.directory?(path)
  end

  oldest_first = directories.sort_by { |f| File.mtime(f) }

  RunLoop.log_debug("Found #{oldest_first.count} previous run-loop results")
  oldest_first.pop(5)

  RunLoop.log_debug("Will delete #{oldest_first.count} previous run-loop results")

  oldest_first.each do |path|
    FileUtils.rm_rf(path)
  end

  elapsed = Time.now - start

  RunLoop.log_debug("Deleted #{oldest_first.count} previous results in #{elapsed} seconds")
rescue StandardError => e
  RunLoop.log_error("While rotating previous results, encounterd: #{e}")
end

.timestamped_dirname(plus_seconds = 0) ⇒ Object 



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# File 'lib/run_loop/dot_dir.rb', line 58

def self.timestamped_dirname(plus_seconds = 0)
  (Time.now + plus_seconds).strftime("%Y-%m-%d_%H-%M-%S")
end