[PATCH 4/8] perf/run: use $default_value instead of $4

[Christian Couder]

Signed-off-by: Christian Couder <chrisc...@tuxfamily.org>
---
 t/perf/run | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/t/perf/run b/t/perf/run
index 43e4de49ef..bbd703dc4f 100755
--- a/t/perf/run
+++ b/t/perf/run
@@ -105,7 +105,7 @@ get_var_from_env_or_config () {
        env_var="$1"
        conf_sec="$2"
        conf_var="$3"
-       # $4 can be set to a default value
+       default_value="$4" # optional
 
        # Do nothing if the env variable is already set
        eval "test -z \"\${$env_var+x}\"" || return
@@ -123,7 +123,7 @@ get_var_from_env_or_config () {
        conf_value=$(git config -f "$GIT_PERF_CONFIG_FILE" "$var") &&
        eval "$env_var=\"$conf_value\"" && return
 
-       test -n "${4+x}" && eval "$env_var=\"$4\""
+       test -n "${default_value+x}" && eval "$env_var=\"$default_value\""
 }
 
 run_subsection () {
-- 
2.15.1.361.g8b07d831d0