perf/run: add GIT_PERF_DIRS_OR_REVS

diff --git a/t/perf/run b/t/perf/run
index 1e7c2a59e45dcfbd8f84fb7e29cf8b0448aa73d2..ad442fe64a828296365214d134ac4046d0b2548e 100755 (executable)
--- a/t/perf/run
+++ b/t/perf/run
@@ -34,6 +34,7 @@ unpack_git_rev () {
        (cd "$(git rev-parse --show-cdup)" && git archive --format=tar $rev) |
        (cd build/$rev && tar x)
 }
+
 build_git_rev () {
        rev=$1
        for config in config.mak config.mak.autogen config.status
@@ -92,6 +93,29 @@ run_dirs () {
        done
 }
 
+get_var_from_env_or_config () {
+       env_var="$1"
+       conf_var="$2"
+       # $3 can be set to a default value
+
+       # Do nothing if the env variable is already set
+       eval "test -z \"\${$env_var+x}\"" || return
+
+       # Check if the variable is in the config file
+       test -n "$GIT_PERF_CONFIG_FILE" &&
+       conf_value=$(git config -f "$GIT_PERF_CONFIG_FILE" "$conf_var") &&
+       eval "$env_var=\"$conf_value\"" || {
+               test -n "${3+x}" &&
+               eval "$env_var=\"$3\""
+       }
+}
+
+get_var_from_env_or_config "GIT_PERF_REPEAT_COUNT" "perf.repeatCount" 3
+export GIT_PERF_REPEAT_COUNT
+
+get_var_from_env_or_config "GIT_PERF_DIRS_OR_REVS" "perf.dirsOrRevs"
+set -- $GIT_PERF_DIRS_OR_REVS "$@"
+
 GIT_PERF_AGGREGATING_LATER=t
 export GIT_PERF_AGGREGATING_LATER