trace2: avoid emitting 'def_param' set more than once
During nested alias expansion it is possible for
"trace2_cmd_list_config()" and "trace2_cmd_list_env_vars()"
to be called more than once. This causes a full set of
'def_param' events to be emitted each time. Let's avoid
that.
Add code to those two functions to only emit them once.
Signed-off-by: Jeff Hostetler <jeffhostetler@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t0211-trace2-perf.sh b/t/t0211-trace2-perf.sh
index 588c5ba..7b35319 100755
--- a/t/t0211-trace2-perf.sh
+++ b/t/t0211-trace2-perf.sh
@@ -470,7 +470,7 @@
grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual
'
-test_expect_failure 'expect def_params during nested git alias expansion' '
+test_expect_success 'expect def_params during nested git alias expansion' '
test_when_finished "rm prop.perf actual" &&
test_config_global "trace2.configParams" "cfg.prop.*" &&
diff --git a/trace2.c b/trace2.c
index f1e268b..facce64 100644
--- a/trace2.c
+++ b/trace2.c
@@ -464,17 +464,29 @@ void trace2_cmd_alias_fl(const char *file, int line, const char *alias,
void trace2_cmd_list_config_fl(const char *file, int line)
{
+ static int emitted = 0;
+
if (!trace2_enabled)
return;
+ if (emitted)
+ return;
+ emitted = 1;
+
tr2_cfg_list_config_fl(file, line);
}
void trace2_cmd_list_env_vars_fl(const char *file, int line)
{
+ static int emitted = 0;
+
if (!trace2_enabled)
return;
+ if (emitted)
+ return;
+ emitted = 1;
+
tr2_list_env_vars_fl(file, line);
}
