From 8048ef85dbe26d024303aedfd5d5df340056ebd6 Mon Sep 17 00:00:00 2001
From: Robert Anderson <robert@noisysocks.com>
Date: Wed, 12 Oct 2022 14:36:23 +1100
Subject: [PATCH] wp-env: Use case insensitive regex when checking WP version
 string (#44887)

WordPress version strings use '-RC1', not '-rc1'. This causes wp-env to
look for a tag in wordpress-develop that does not exist, which in turn
causes a fatal error.
---
 packages/env/lib/download-wp-phpunit.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/env/lib/download-wp-phpunit.js b/packages/env/lib/download-wp-phpunit.js
index 923750d58b1d73..3900fd9495343d 100644
--- a/packages/env/lib/download-wp-phpunit.js
+++ b/packages/env/lib/download-wp-phpunit.js
@@ -122,7 +122,7 @@ async function downloadTestSuite(
 	// Alpha, Beta, and RC versions are bleeding edge and should pull from trunk.
 	let ref;
 	const fetchRaw = [];
-	if ( ! wpVersion || wpVersion.match( /-(?:alpha|beta|rc)/ ) ) {
+	if ( ! wpVersion || wpVersion.match( /-(?:alpha|beta|rc)/i ) ) {
 		ref = 'trunk';
 		fetchRaw.push( 'fetch', 'origin', ref, '--depth', '1' );
 	} else {