From eb6667491c54d844e834f1711a13c8bd7606b674 Mon Sep 17 00:00:00 2001
From: Zimo Li <7163127+lzm0@users.noreply.github.com>
Date: Tue, 21 May 2024 15:39:35 -0400
Subject: [PATCH] Match from the beginning of line when validating Yarn version

---
 yarn/action.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yarn/action.yml b/yarn/action.yml
index d80b5cd..db568c3 100644
--- a/yarn/action.yml
+++ b/yarn/action.yml
@@ -116,7 +116,7 @@ runs:
       shell: bash
       working-directory: ${{ inputs.working-directory }}
       run: |
-        if yarn --version | grep -q '1\.'; then
+        if yarn --version | grep -q '^1\.'; then
           echo "::error ::Yarn Classic (1.x) is not supported. Please upgrade to Yarn Berry."
           exit 1
         fi