t/t5538-push-shallow.sh: use the $( ... ) construct for command substitution

diff --git a/t/t5515-fetch-merge-logic.sh b/t/t5515-fetch-merge-logic.sh
index dbb927dec8ea9f40e8e106f416c276f1b6a07868..36b0dbc01cffc06aefb180179965ccbaa9c983d8 100755 (executable)
--- a/t/t5515-fetch-merge-logic.sh
+++ b/t/t5515-fetch-merge-logic.sh
@@ -128,8 +128,8 @@ do
        case "$cmd" in
        '' | '#'*) continue ;;
        esac
-       test=`echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g'`
-       pfx=`printf "%04d" $test_count`
+       test=$(echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g')
+       pfx=$(printf "%04d" $test_count)
        expect_f="$TEST_DIRECTORY/t5515/fetch.$test"
        actual_f="$pfx-fetch.$test"
        expect_r="$TEST_DIRECTORY/t5515/refs.$test"