perf/run: add get_subsections()

This function makes it possible to find subsections, so that
we will be able to run different tests for different subsections
in a later commit.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/perf/run b/t/perf/run
index 6bd15e701756b2c8bfb1ddb4e13f7e447a23b374..4c966c0ae420e40cb59ea0aeeb7226c8e295b484 100755 (executable)
--- a/t/perf/run
+++ b/t/perf/run
@@ -93,6 +93,13 @@ run_dirs () {
        done
 }
 
+get_subsections () {
+       section="$1"
+       test -z "$GIT_PERF_CONFIG_FILE" && return
+       git config -f "$GIT_PERF_CONFIG_FILE" --name-only --get-regex "$section\..*\.[^.]+" |
+       sed -e "s/$section\.\(.*\)\..*/\1/" | sort | uniq
+}
+
 get_var_from_env_or_config () {
        env_var="$1"
        conf_var="$2"