From 13053c43ee8f5a2a5f7a66258d047e1b68203da3 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Thu, 19 Oct 2023 17:05:36 -0400
Subject: tests: Don't unset array[-1]

This was only added in Bash 4.3 which is too new for macOS.
---
 tests/util.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'tests/util.sh')

diff --git a/tests/util.sh b/tests/util.sh
index 5131522..efc24b0 100644
--- a/tests/util.sh
+++ b/tests/util.sh
@@ -160,12 +160,13 @@ defer() {
 
 # Pop a single command from the defer stack and run it
 pop_defer() {
-    local cmd="${DEFER_CMDS[-1]}"
-    local file="${DEFER_FILES[-1]}"
-    local line="${DEFER_LINES[-1]}"
-    unset "DEFER_CMDS[-1]"
-    unset "DEFER_FILES[-1]"
-    unset "DEFER_LINES[-1]"
+    local i=$((${#DEFER_CMDS[@]} - 1))
+    local cmd="${DEFER_CMDS[$i]}"
+    local file="${DEFER_FILES[$i]}"
+    local line="${DEFER_LINES[$i]}"
+    unset "DEFER_CMDS[$i]"
+    unset "DEFER_FILES[$i]"
+    unset "DEFER_LINES[$i]"
 
     local ret=0
     eval "$cmd" || ret=$?
-- 
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