Junio C Hamano <gitster@xxxxxxxxx> writes:
> Erik Faye-Lund <kusmabite@xxxxxxxxx> writes:
>
>> Having an MSYS version of Perl in PATH is "broken" in the Windows
>> world, so it's THIS Perl that people might want to keep out of their
>> PATH.
>
> Fair enough. After all, that is why we have $PERL_PATH that can be
> used (and is used) in our Porcelain scripts.
Let's also apply something like this to t/README.
As to vfr's patch, I'll replace $PERL_PATH with "$PERL_PATH" and queue.
t/README | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/t/README b/t/README
index 3534f43..4c3ea25 100644
--- a/t/README
+++ b/t/README
@@ -307,6 +307,25 @@ Don't:
Use test_done instead if you need to stop the tests early (see
"Skipping tests" below).
+ - use '! git cmd' when you want to make sure the git command exits
+ with failure in a controlled way by calling "die()". Instead,
+ use 'test_must_fail git cmd'. This will signal a failure if git
+ dies in an unexpected way (e.g. segfault).
+
+ - use perl without spelling it as "$PERL_PATH". This is to help our
+ friends on Windows where the platform Perl often adds CR before
+ the end of line, and they bundle Git with a version of Perl that
+ does not do so, whose path is specified with $PERL_PATH.
+
+ - use sh without spelling it as "$SHELL_PATH", when your script can
+ be misinterpreted by broken platform shell (e.g. Solaris).
+
+ - chdir around in tests. It is not sufficient to chdir to
+ somewhere and then chdir back to the original location later in
+ the test, as any intermediate step can fail and abort the test,
+ causing the next test to start in an unexpected directory. Do chdir
+ inside a subshell if necessary.
+
- Break the TAP output
The raw output from your test may be interpreted by a TAP harness. TAP
@@ -342,9 +361,9 @@ If you need to skip tests you should do so by using the three-arg form
of the test_* functions (see the "Test harness library" section
below), e.g.:
- test_expect_success PERL 'I need Perl' "
- '$PERL_PATH' -e 'hlagh() if unf_unf()'
- "
+ test_expect_success PERL 'I need Perl' '
+ "$PERL_PATH" -e "hlagh() if unf_unf()"
+ '
The advantage of skipping tests like this is that platforms that don't
have the PERL and other optional dependencies get an indication of how
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