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authorJohannes Schindelin <johannes.schindelin@gmx.de>2020-03-26 15:35:26 +0000
committerJunio C Hamano <gitster@pobox.com>2020-03-26 13:36:54 -0700
commit477dcaddb6dceb0fc5b5064edef460d9d226386e (patch)
tree6a764dad72d199478b0c4ab29b9738ddba278043 /t/test-lib.sh
parent975f45b6aa8161ad63ecaa4364a1f49c074de70c (diff)
downloadgit-477dcaddb6dceb0fc5b5064edef460d9d226386e.tar.gz
tests: do not let lazy prereqs inside `test_expect_*` turn off tracing
The `test_expect_*` functions use `test_eval_` and so does `test_run_lazy_prereq_`. If tracing is enabled via the `-x` option, `test_eval_` turns on tracing while evaluating the code block, and turns it off directly after it. This is unwanted for nested invocations. One somewhat surprising example of this is when running a test that calls `test_i18ngrep`: that function requires the `C_LOCALE_OUTPUT` prereq, and that prereq is a lazy one, so it is evaluated via `test_eval_`, the command tracing is turned off, and the test case continues to run _without tracing the commands_. Another somewhat surprising example is when one lazy prereq depends on another lazy prereq: the former will call `test_have_prereq` with the latter one, which in turn calls `test_eval_` and -- you guessed it -- tracing (if enabled) will be turned off _before_ returning to evaluating the other lazy prereq. As we will introduce just such a scenario with the GPG, GPGSM and RFC1991 prereqs, let's fix that by introducing a variable that keeps track of the current trace level: nested `test_eval_` calls will increment and then decrement the level, and only when it reaches 0, the tracing will _actually_ be turned off. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/test-lib.sh')
-rw-r--r--t/test-lib.sh6
1 files changed, 4 insertions, 2 deletions
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 0ea1e5a05e..529056be49 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -882,6 +882,7 @@ maybe_setup_valgrind () {
fi
}
+trace_level_=0
want_trace () {
test "$trace" = t && {
test "$verbose" = t || test "$verbose_log" = t
@@ -895,7 +896,7 @@ want_trace () {
test_eval_inner_ () {
# Do not add anything extra (including LF) after '$*'
eval "
- want_trace && set -x
+ want_trace && trace_level_=$(($trace_level_+1)) && set -x
$*"
}
@@ -926,7 +927,8 @@ test_eval_ () {
test_eval_ret_=$?
if want_trace
then
- set +x
+ test 1 = $trace_level_ && set +x
+ trace_level_=$(($trace_level_-1))
fi
} 2>/dev/null 4>&2