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

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Change-Id: Iaf6229b868111eb0870c023ebd4e030b28d01c2c

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index fa511e4fdc120c4aaee66eabf3184a5f077bac4b..d82709059b19214062e9ddac3962e6571dae1422 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -312,10 +312,10 @@ bt_diff_cli() {
 # Returns 0 if there's no difference, or 1 otherwise, also printing said
 # difference to the standard error.
 bt_diff_details_ctf_single() {
-       local expected_stdout_file="$1"
-       local trace_dir="$2"
+       local -r expected_stdout_file="$1"
+       local -r trace_dir="$2"
        shift 2
-       local extra_details_args=("$@")
+       local -r extra_details_args=("$@")
        expected_stderr_file="/dev/null"
 
        # Compare using the CLI with `sink.text.details`