From 188c17c19a0c32e944d9a4234d33702d3adfe143 Mon Sep 17 00:00:00 2001
From: natsuoto <279971144+natsuoto@users.noreply.github.com>
Date: Thu, 16 Jul 2026 17:59:14 +0530
Subject: ci: skip the surface migration gate when the surface snapshot is
 first introduced

---
 .github/workflows/github-actions.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/github-actions.yml b/.github/workflows/github-actions.yml
index 27048f7..6ad9eed 100644
--- a/.github/workflows/github-actions.yml
+++ b/.github/workflows/github-actions.yml
@@ -82,6 +82,10 @@ jobs:
               echo "PR marked [no-migration]; skipping the fragment requirement."
               exit 0
           fi
+          if ! git cat-file -e "$BASE_SHA:.public-surface" 2>/dev/null; then
+              echo ".public-surface is introduced on this branch; no prior surface to migrate from."
+              exit 0
+          fi
           if git diff --quiet "$BASE_SHA" "$HEAD_SHA" -- .public-surface; then
               echo "Public surface unchanged; no fragment required."
               exit 0
-- 
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