Quotation from Kerin Millar:"As such, I recommend that "unset -v GLOBSORT" be unconditionally issued before any sourcing occurs. Quotation from To do so would serve as a sensible safety measure, covering the case where the GLOBSORT variable has been adjusted - whether intentionally or not - only for /etc/profile to be sourced anew. The rationale is that the user should always be able to expect that the snippets be processed in a deterministic order"