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t9402-git-cvsserver-refs: don't check the stderr of a subshell 

Four 'cvs diff' related tests in 't9402-git-cvsserver-refs.sh' fail
when the test script is run with '-x' tracing (and using a shell other
than a Bash version supporting BASH_XTRACEFD).  The reason for those
failures is that the tests check the emptiness of a subshell's stderr,
which includes the trace of commands executed in that subshell as
well, throwing off the emptiness check.

Save the stdout and stderr of the invoked 'cvs' command instead of the
whole subshell, so the latter remains free from tracing output.  (Note
that changing how stdout is saved is only done for the sake of
consistency, it's not necessary for correctness.)

After this change t9402 passes with '-x', even when running with
/bin/sh.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
SZEDER Gábor 2018-03-08 13:38:44 +01:00 committed by Junio C Hamano
parent 54ce2e9be9
commit c20bf94abc
1 changed files with 4 additions and 4 deletions
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8
t/t9402-git-cvsserver-refs.sh
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@ -455,20 +455,20 @@ test_expect_success 'cvs up -r $(git rev-parse v1)' '
'

test_expect_success 'cvs diff -r v1 -u' '
( cd cvswork && cvs -f diff -r v1 -u ) >cvsDiff.out 2>cvs.log &&
( cd cvswork && cvs -f diff -r v1 -u >../cvsDiff.out 2>../cvs.log ) &&
test_must_be_empty cvsDiff.out &&
test_must_be_empty cvs.log
'

test_expect_success 'cvs diff -N -r v2 -u' '
( cd cvswork && ! cvs -f diff -N -r v2 -u ) >cvsDiff.out 2>cvs.log &&
( cd cvswork && ! cvs -f diff -N -r v2 -u >../cvsDiff.out 2>../cvs.log ) &&
test_must_be_empty cvs.log &&
test -s cvsDiff.out &&
check_diff cvsDiff.out v2 v1 >check_diff.out 2>&1
'

test_expect_success 'cvs diff -N -r v2 -r v1.2' '
( cd cvswork && ! cvs -f diff -N -r v2 -r v1.2 -u ) >cvsDiff.out 2>cvs.log &&
( cd cvswork && ! cvs -f diff -N -r v2 -r v1.2 -u >../cvsDiff.out 2>../cvs.log ) &&
test_must_be_empty cvs.log &&
test -s cvsDiff.out &&
check_diff cvsDiff.out v2 v1.2 >check_diff.out 2>&1
@ -487,7 +487,7 @@ test_expect_success 'apply early [cvswork3] diff to b3' '
'

test_expect_success 'check [cvswork3] diff' '
( cd cvswork3 && ! cvs -f diff -N -u ) >"$WORKDIR/cvsDiff.out" 2>cvs.log &&
( cd cvswork3 && ! cvs -f diff -N -u >"$WORKDIR/cvsDiff.out" 2>../cvs.log ) &&
test_must_be_empty cvs.log &&
test -s cvsDiff.out &&
test $(grep Index: cvsDiff.out | wc -l) = 3 &&