perf: accommodate for MacOSX

diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh
index 5ef17440c0e1e63102adddba958686c28b4e80ec..773f955d4a251e768b8bc39f7e05161936fda1f5 100644 (file)
--- a/t/perf/perf-lib.sh
+++ b/t/perf/perf-lib.sh
@@ -84,6 +84,7 @@ test_perf_create_repo_from () {
        objects_dir="$(git -C "$source" rev-parse --git-path objects)"
        mkdir -p "$repo/.git"
        (
+               cd "$source" &&
                { cp -Rl "$objects_dir" "$repo/.git/" 2>/dev/null ||
                        cp -R "$objects_dir" "$repo/.git/"; } &&
                for stuff in "$source_git"/*; do
@@ -94,7 +95,9 @@ test_perf_create_repo_from () {
                                        cp -R "$stuff" "$repo/.git/" || exit 1
                                        ;;
                        esac
-               done &&
+               done
+       ) &&
+       (
                cd "$repo" &&
                git init -q && {
                        test_have_prereq SYMLINKS ||
@@ -124,11 +127,15 @@ test_checkout_worktree () {
 # Performance tests should never fail.  If they do, stop immediately
 immediate=t
 
+# Perf tests require GNU time
+case "$(uname -s)" in Darwin) GTIME="${GTIME:-gtime}";; esac
+GTIME="${GTIME:-/usr/bin/time}"
+
 test_run_perf_ () {
        test_cleanup=:
        test_export_="test_cleanup"
        export test_cleanup test_export_
-       /usr/bin/time -f "%E %U %S" -o test_time.$i "$SHELL" -c '
+       "$GTIME" -f "%E %U %S" -o test_time.$i "$SHELL" -c '
 . '"$TEST_DIRECTORY"/test-lib-functions.sh'
 test_export () {
        [ $# != 0 ] || return 0