From 80e3497c2f8af5ea47e5a798cd5356dcba6bbd21 Mon Sep 17 00:00:00 2001
From: Michele Locati <michele@locati.it>
Date: Mon, 21 Sep 2020 15:38:20 +0200
Subject: [PATCH] Let's be sure that this script is executed in a correct
 Docker image

Test: xdebug
---
 install-php-extensions | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/install-php-extensions b/install-php-extensions
index 4af0594..f6c0f19 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -12,6 +12,11 @@
 set -o errexit
 set -o nounset
 
+if ! which docker-php-ext-configure >/dev/null || ! which docker-php-ext-enable >/dev/null || ! which docker-php-ext-install >/dev/null || ! which docker-php-source >/dev/null; then
+	printf 'The script %s is meant to be used with official Docker PHP Images - https://hub.docker.com/_/php\n' "$0" >&2
+	exit 1
+fi
+
 # Reset the Internal Field Separator
 resetIFS() {
 	IFS='