36 lines
834 B
Ruby
36 lines
834 B
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
module Gitlab
|
||
|
|
module Utils
|
||
|
|
module FileInfo
|
||
|
|
class << self
|
||
|
|
# Returns true if:
|
||
|
|
# - File or directory is a symlink.
|
||
|
|
# - File shares a hard link.
|
||
|
|
def linked?(file)
|
||
|
|
stat = to_file_stat(file)
|
||
|
|
|
||
|
|
stat.symlink? || shares_hard_link?(stat)
|
||
|
|
end
|
||
|
|
|
||
|
|
# Returns:
|
||
|
|
# - true if file shares a hard link with another file.
|
||
|
|
# - false if file is a directory, as directories cannot be hard linked.
|
||
|
|
def shares_hard_link?(file)
|
||
|
|
stat = to_file_stat(file)
|
||
|
|
|
||
|
|
stat.file? && stat.nlink > 1
|
||
|
|
end
|
||
|
|
|
||
|
|
private
|
||
|
|
|
||
|
|
def to_file_stat(filepath_or_stat)
|
||
|
|
return filepath_or_stat if filepath_or_stat.is_a?(File::Stat)
|
||
|
|
|
||
|
|
File.lstat(filepath_or_stat)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|