36 lines
923 B
Ruby
36 lines
923 B
Ruby
module UnpackStrategy
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class Fossil
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include UnpackStrategy
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using Magic
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def self.extensions
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[]
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end
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def self.can_extract?(path)
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return false unless path.magic_number.match?(/\ASQLite format 3\000/n)
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# Fossil database is made up of artifacts, so the `artifact` table must exist.
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query = "select count(*) from sqlite_master where type = 'view' and name = 'artifact'"
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system_command("sqlite3", args: [path, query]).stdout.to_i == 1
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end
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private
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def extract_to_dir(unpack_dir, basename:, verbose:)
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args = if @ref_type && @ref
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[@ref]
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else
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[]
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end
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system_command! "fossil",
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args: ["open", path, *args],
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chdir: unpack_dir,
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env: { "PATH" => PATH.new(Formula["fossil"].opt_bin, ENV["PATH"]) },
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verbose: verbose
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end
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end
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end
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