Class: Bootsnap::LoadPathCache::Path

Inherits:
Object
  • Object
show all
Defined in:
lib/bootsnap/load_path_cache/path.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, real: false) ⇒ Path

Returns a new instance of Path.



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# File 'lib/bootsnap/load_path_cache/path.rb', line 24

def initialize(path, real: false)
  @path = path.to_s.freeze
  @real = real
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/bootsnap/load_path_cache/path.rb', line 22

def path
  @path
end

Instance Method Details

#entries_and_dirs(store) ⇒ Object

Return a list of all the requirable files and all of the subdirectories of this Path.



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# File 'lib/bootsnap/load_path_cache/path.rb', line 59

def entries_and_dirs(store)
  if stable?
    # the cached_mtime field is unused for 'stable' paths, but is
    # set to zero anyway, just in case we change the stability heuristics.
    _, entries, dirs = store.get(expanded_path)
    return [entries, dirs] if entries # cache hit

    entries, dirs = scan!
    store.set(expanded_path, [0, entries, dirs])
    return [entries, dirs]
  end

  cached_mtime, entries, dirs = store.get(expanded_path)

  current_mtime = latest_mtime(expanded_path, dirs || [])
  return [[], []]        if current_mtime == -1 # path does not exist
  return [entries, dirs] if cached_mtime == current_mtime

  entries, dirs = scan!
  store.set(expanded_path, [current_mtime, entries, dirs])
  [entries, dirs]
end

#expanded_path ⇒ Object 



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# File 'lib/bootsnap/load_path_cache/path.rb', line 82

def expanded_path
  if @real
    path
  else
    @expanded_path ||= File.expand_path(path).freeze
  end
end

#non_directory? ⇒ Boolean

True if the path exists, but represents a non-directory object

Returns:

  • (Boolean) 


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# File 'lib/bootsnap/load_path_cache/path.rb', line 47

def non_directory?
  !File.stat(path).directory?
rescue Errno::ENOENT, Errno::ENOTDIR, Errno::EINVAL
  false
end

#relative? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bootsnap/load_path_cache/path.rb', line 53

def relative?
  !path.start_with?(SLASH)
end

#stable? ⇒ Boolean

A path is considered ‘stable’ if it is part of a Gem.path or the ruby distribution. When adding or removing files in these paths, the cache must be cleared before the change will be noticed.

Returns:

  • (Boolean) 


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# File 'lib/bootsnap/load_path_cache/path.rb', line 11

def stable?
  stability == STABLE
end

#to_realpath ⇒ Object 



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# File 'lib/bootsnap/load_path_cache/path.rb', line 29

def to_realpath
  return self if @real

  realpath = begin
    File.realpath(path)
  rescue Errno::ENOENT
    return self
  end

  if realpath == path
    @real = true
    self
  else
    Path.new(realpath, real: true)
  end
end

#volatile? ⇒ Boolean

A path is considered volatile if it doesn’t live under a Gem.path or the ruby distribution root. These paths are scanned for new additions more frequently.

Returns:

  • (Boolean) 


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# File 'lib/bootsnap/load_path_cache/path.rb', line 18

def volatile?
  stability == VOLATILE
end