From: "SZEDER Gábor" <szeder.dev@gmail.com>
To: git@vger.kernel.org
Cc: "Jeff King" <peff@peff.net>, "Junio C Hamano" <gitster@pobox.com>,
"SZEDER Gábor" <szeder.dev@gmail.com>
Subject: [PATCH 02/11] t: add means to disable '-x' tracing for individual test scripts
Date: Sat, 24 Feb 2018 00:39:42 +0100 [thread overview]
Message-ID: <20180223233951.11154-3-szeder.dev@gmail.com> (raw)
In-Reply-To: <20180223233951.11154-1-szeder.dev@gmail.com>
The previous patch resolved most of the test failures caused by
running our test suite with '-x' tracing and /bin/sh, and the
following patches in this series will resolve almost all of the
remaining failures. Unfortunately, not yet all.
Add means to disable '-x' tracing for individual test scripts by
setting the $test_untraceable variable to a non-empty value in the
test script before sourcing 'test-lib.sh'. However, since '-x'
tracing is not an issue with recent Bash versions supporting
BASH_XTRACEFD, i.e. v4.1 and later, don't disable tracing when the
test script is run with such a Bash version even when
$test_untraceable is set.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
---
t/README | 3 +++
t/test-lib.sh | 19 ++++++++++++++++++-
2 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/t/README b/t/README
index b3f7b449c3..c430e9c52c 100644
--- a/t/README
+++ b/t/README
@@ -87,6 +87,9 @@ appropriately before running "make".
themselves. Implies `--verbose`. Note that in non-bash shells,
this can cause failures in some tests which redirect and test
the output of shell functions. Use with caution.
+ Ignored in test scripts that set the variable 'test_untraceable'
+ to a non-empty value, unless it's run with a Bash version
+ supporting BASH_XTRACEFD, i.e. v4.1 or later.
-d::
--debug::
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 33f6ce26f6..732213ef1b 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -263,7 +263,24 @@ do
GIT_TEST_CHAIN_LINT=0
shift ;;
-x)
- trace=t
+ # Some test scripts can't be reliably traced with '-x',
+ # unless the test is run with a Bash version supporting
+ # BASH_XTRACEFD (introduced in Bash v4.1). Check whether
+ # this test is marked as such, and ignore '-x' if it
+ # isn't executed with a suitable Bash version.
+ if test -z "$test_untraceable" || {
+ test -n "$BASH_VERSION" && {
+ test ${BASH_VERSINFO[0]} -gt 4 || {
+ test ${BASH_VERSINFO[0]} -eq 4 &&
+ test ${BASH_VERSINFO[1]} -ge 1
+ }
+ }
+ }
+ then
+ trace=t
+ else
+ echo >&2 "warning: ignoring -x; '$0' is untraceable without BASH_XTRACEFD"
+ fi
shift ;;
--verbose-log)
verbose_log=t
--
2.16.2.400.g911b7cc0da
next prev parent reply other threads:[~2018-02-23 23:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-23 23:39 [PATCH 00/11] Make the test suite pass with '-x' and /bin/sh SZEDER Gábor
2018-02-23 23:39 ` [PATCH 01/11] t: prevent '-x' tracing from interfering with test helpers' stderr SZEDER Gábor
2018-02-24 12:19 ` SZEDER Gábor
2018-02-25 13:40 ` [PATCH v1.1] " SZEDER Gábor
2018-02-23 23:39 ` SZEDER Gábor [this message]
2018-02-23 23:39 ` [PATCH 03/11] t1507-rev-parse-upstream: don't check the stderr of a shell function SZEDER Gábor
2018-02-23 23:39 ` [PATCH 04/11] t3030-merge-recursive: don't check the stderr of a subshell SZEDER Gábor
2018-02-24 8:04 ` Eric Sunshine
2018-02-27 21:03 ` Junio C Hamano
2018-02-27 21:10 ` Junio C Hamano
2018-02-27 21:27 ` [PATCH] test_must_be_empty: make sure the file exists, not just empty Junio C Hamano
2018-02-27 21:42 ` Stefan Beller
2018-02-27 22:08 ` Jeff King
2018-02-27 21:28 ` [PATCH 04/11] t3030-merge-recursive: don't check the stderr of a subshell SZEDER Gábor
2018-02-27 21:17 ` Junio C Hamano
2018-02-28 0:44 ` SZEDER Gábor
2018-02-23 23:39 ` [PATCH 05/11] t5500-fetch-pack: " SZEDER Gábor
2018-02-23 23:39 ` [PATCH 06/11] t5526: use $TRASH_DIRECTORY to specify the path of GIT_TRACE log file SZEDER Gábor
2018-02-23 23:39 ` [PATCH 07/11] t5570-git-daemon: don't check the stderr of a subshell SZEDER Gábor
2018-02-23 23:39 ` [PATCH 08/11] t9903-bash-prompt: don't check the stderr of __git_ps1() SZEDER Gábor
2018-02-23 23:39 ` [PATCH 09/11] t1510-repo-setup: mark as untraceable with '-x' SZEDER Gábor
2018-02-23 23:39 ` [PATCH 10/11] t/README: add a note about don't saving stderr of compound commands SZEDER Gábor
2018-02-23 23:39 ` [PATCH 11/11] travis-ci: run tests with '-x' tracing SZEDER Gábor
2018-03-02 15:32 ` [PATCH 00/11] Make the test suite pass with '-x' and /bin/sh SZEDER Gábor
2018-03-03 7:12 ` Jeff King
2018-03-05 21:18 ` SZEDER Gábor
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