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t/lib-httpd: pass PERL_PATH to CGI scripts

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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>
This commit is contained in:
Jeff King 2023-04-06 05:36:02 -04:00 committed by Junio C Hamano
parent 7556e5d737
commit c1917156a0
2 changed files with 3 additions and 1 deletions
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2
t/lib-httpd/apache.conf
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@ -86,6 +86,8 @@ PassEnv LC_ALL
Alias /dumb/ www/
Alias /auth/dumb/ www/auth/dumb/
SetEnv PERL_PATH ${PERL_PATH}
<LocationMatch /smart/>
SetEnv GIT_EXEC_PATH ${GIT_EXEC_PATH}
SetEnv GIT_HTTP_EXPORT_ALL

2
t/lib-httpd/apply-one-time-perl.sh
View File

@ -13,7 +13,7 @@ then
export LC_ALL
"$GIT_EXEC_PATH/git-http-backend" >out
perl -pe "$(cat one-time-perl)" out >out_modified
"$PERL_PATH" -pe "$(cat one-time-perl)" out >out_modified
if cmp -s out out_modified
then