From bb1392436fe89c4d73231664cd4cf28426a3ede1 Mon Sep 17 00:00:00 2001
From: "Sebastian K. Sorensen" <sks1993@gmail.com>
Date: Sun, 10 Jan 2021 17:49:20 +0100
Subject: [PATCH] Change to sh regex

---
 entrypoint.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/entrypoint.sh b/entrypoint.sh
index 7543512..0e87e7b 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -41,8 +41,7 @@ if [ -n "$INPUT_PRETTIER_PLUGINS" ]; then
     for plugin in $INPUT_PRETTIER_PLUGINS; do
         echo "checking $plugin"
         # check regex against @prettier/xyz
-        REGEX='(@prettier\/)+(plugin-[a-z\-]+)'
-        if ! [[ "$plugin" =~ "$REGEX" ]]; then
+        if ! echo "$plugin" | grep -Eq '(@prettier\/)+(plugin-[a-z\-]+)'; then
             echo "$plugin does not seem to be a valid @prettier/plugin-x plugin."
             exit 1
         fi