dir.c: fix missing dir invalidation in untracked code

diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh
index 2f88fc12a9b5c6ba5973b584a12b33a545c59bff..e4c343a6b795b6f990fa278788ad65a0a5cdc4e6 100644 (file)
--- a/t/perf/perf-lib.sh
+++ b/t/perf/perf-lib.sh
@@ -56,6 +56,7 @@ MODERN_GIT=$GIT_BUILD_DIR/bin-wrappers/git
 export MODERN_GIT
 
 perf_results_dir=$TEST_OUTPUT_DIRECTORY/test-results
+test -n "$GIT_PERF_SUBSECTION" && perf_results_dir="$perf_results_dir/$GIT_PERF_SUBSECTION"
 mkdir -p "$perf_results_dir"
 rm -f "$perf_results_dir"/$(basename "$0" .sh).subtests