tests/utils/utils.sh: bt_diff(): use `local -r` when possible

[babeltrace.git] / tests / utils / utils.sh

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 36fc86fe1e0093dff1bb4575af758ebfce974d9a..937496457b70ade86e19b63f67ecf22123016e65 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -227,10 +227,10 @@ bt_remove_cr_inline() {
 #
 # Returns the exit status of the executed `$BT_TESTS_BT2_BIN`.
 bt_cli() {
-       local stdout_file="$1"
-       local stderr_file="$2"
+       local -r stdout_file="$1"
+       local -r stderr_file="$2"
        shift 2
-       local args=("$@")
+       local -r args=("$@")
 
        echo "Running: $BT_TESTS_BT2_BIN ${args[*]}" >&2
        run_python_bt2 "$BT_TESTS_BT2_BIN" "${args[@]}" 1>"$stdout_file" 2>"$stderr_file"
@@ -247,8 +247,8 @@ bt_cli() {
 #
 # Returns 0 if there's no difference, or not zero otherwise.
 bt_diff() {
-       local expected_file="$1"
-       local actual_file="$2"
+       local -r expected_file="$1"
+       local -r actual_file="$2"
        local ret=0
 
        diff -u <(bt_remove_cr_inline "$expected_file") <(bt_remove_cr_inline "$actual_file") 1>&2
@@ -411,7 +411,6 @@ run_python() {
 # Python modules (in `tests/utils/python`) and the `bt2` Python package.
 run_python_bt2() {
        local lib_asan
-       local -x "BABELTRACE_PYTHON_BT2_NO_TRACEBACK=1"
        local -x "BABELTRACE_PLUGIN_PATH=${BT_TESTS_BABELTRACE_PLUGIN_PATH}"
        local -x "LIBBABELTRACE2_PLUGIN_PROVIDER_DIR=${BT_TESTS_PROVIDER_DIR}"
        local -x "BT_TESTS_DATADIR=${BT_TESTS_DATADIR}"