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c1917156a0
As discussed in t/README, tests should aim to use PERL_PATH rather than straight "perl". We usually do this automatically with a "perl" function in test-lib.sh, but a few cases need to be handled specially. One such case is the apply-one-time-perl.sh CGI, which invokes plain "perl". It should be using $PERL_PATH, but to make that work, we must also instruct Apache to pass through the variable. Prior to this patch, doing: mv /usr/bin/perl /usr/bin/my-perl make PERL_PATH=/usr/bin/my-perl test would fail t5702, t5703, and t5616. After this it passes. This is a pretty extreme case, as even if you install perl elsewhere, you'd likely still have it in your $PATH. A more realistic case is that you don't want to use the perl in your $PATH (because it's older, broken, etc) and expect PERL_PATH to consistently override that (since that's what it's documented to do). Removing it completely is just a convenient way of completely breaking it for testing purposes. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>