From eea524abcf884def276d1b1a28838b62c238b0d0 Mon Sep 17 00:00:00 2001
From: "Peter M. Elias" <petermelias@gmail.com>
Date: Sat, 28 Dec 2024 13:10:13 -0800
Subject: [PATCH] fix: make checkForExistingPullRequest check exact head/base
 match

---
 src/github/operations/pulls.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/github/operations/pulls.ts b/src/github/operations/pulls.ts
index 00ad695b..a3e05e63 100644
--- a/src/github/operations/pulls.ts
+++ b/src/github/operations/pulls.ts
@@ -149,12 +149,15 @@ async function checkForExistingPullRequest(
   const existingPRs = await listPullRequests({
     owner,
     repo,
-    head,
-    base,
     state: "open",
   });
 
-  if (existingPRs.length > 0) {
+  // Check if any existing open PR has the exact same head and base combination
+  const duplicatePR = existingPRs.find(pr => 
+    pr.head.ref === head && pr.base.ref === base
+  );
+
+  if (duplicatePR) {
     throw new GitHubConflictError(
       `A pull request already exists for ${head} into ${base}`
     );