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