>> For now, GITPERLLIB is only used in that kind of statements:
>> use lib (split(/:/, $ENV{GITPERLLIB} || ... ));
>> The trailing ':' does not really matter, split will ignore it.
> That may be true with the current use, but "For now" leaves funny
> taste, doesn't it?
definitely. For me, the issue was that we were trading that "funny
taste" for less
readable code in wrap-for-bin.sh but with that default-substitution
construct, it seems
worth it. (a huge if-block seemed even funnier in fact :) )

> It is not too much trouble to fix by writing
> and we will not have to be worried about future changes breaking
> today's assumption.
That construct is really nice :) did not know there was such a thing
in bash, thanks.
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