From 2d3b471daffccaf18b25cc061bf46fb5a12024bd Mon Sep 17 00:00:00 2001
From: Ayush Ranjan <ayushranjan@google.com>
Date: Tue, 7 Mar 2023 23:18:18 -0800
Subject: [PATCH] Restrict target branch existence check to public BuildKite
 pipeline.

PiperOrigin-RevId: 514942919
---
 .buildkite/hooks/pre-command | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/.buildkite/hooks/pre-command b/.buildkite/hooks/pre-command
index 0a9ee356b..27b3b6df0 100644
--- a/.buildkite/hooks/pre-command
+++ b/.buildkite/hooks/pre-command
@@ -1,10 +1,12 @@
 set -euo pipefail
 
-# Check that the target branch exists.
-git fetch origin "${BUILDKITE_BRANCH}" || {
-  echo "Branch ${BUILDKITE_BRANCH} no longer exists; it was probably deleted by the time we got to it." >&2
-  exit 1
-}
+if [[ "${BUILDKITE_PIPELINE_NAME:-}" == "Pipeline" ]]; then
+  # Check that the target branch exists.
+  git fetch origin "${BUILDKITE_BRANCH}" || {
+    echo "Branch ${BUILDKITE_BRANCH} no longer exists; it was probably deleted by the time we got to it." >&2
+    exit 1
+  }
+fi
 
 # Download any build-specific configuration that has been uploaded.
 # This allows top-level steps to override all subsequent steps.