Fix "unbound variable" errors in bash #9425
Merged
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Fixes #9414
Motivation
Dumb mistake from my side, should be fixed ASAP, see linked issue.
Context
This was caused by #9312, which was meant to be a quick fix for #8985.
As #9414 is present in the current 2.19.0 release, this change should probably be backported to 2.19.1 to reduce the risk of people installing broken profile scripts.
Priorities
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