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makeRelativeNoSysLink would previously crash for no reason if the first argument as `./` due to the call to `head`. This refactoring keeps the behaviour the same but doesn't crash in this corner case.
705fa21d
makeRelativeNoSysLink would previously crash for no reason if the first argument as `./` due to the call to `head`. This refactoring keeps the behaviour the same but doesn't crash in this corner case.