From 1b9ef1089ad599a98791baefa825c6f2b6925724 Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Thu, 25 Mar 2021 07:24:30 +0900
Subject: [PATCH] include/array: Add function for checking if an element is in
 an array

Bash doesn't provide a simple way to check if an element is in an array.
This commit adds the array_contains convenience function to solve that
problem.
---
 include/array.sh | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 include/array.sh

diff --git a/include/array.sh b/include/array.sh
new file mode 100644
index 0000000..2ff4b28
--- /dev/null
+++ b/include/array.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+__init() {
+	return 0
+}
+
+array_contains() {
+	local needle
+	local haystack
+
+	local cur
+
+	needle="$1"
+	haystack=("${@:2}")
+
+	for cur in "${haystack[@]}"; do
+		if [[ "$needle" == "$cur" ]]; then
+			return 0
+		fi
+	done
+
+	return 1
+}
-- 
2.47.3