[libc++] Exit from macos-ci-setup upon error
NOKEYCHECK=True
GitOrigin-RevId: 1ca748608dd45d7c2975715528b4f06d348e5e5a
diff --git a/utils/ci/macos-ci-setup b/utils/ci/macos-ci-setup
index 0ccf401..d2c7f9d 100755
--- a/utils/ci/macos-ci-setup
+++ b/utils/ci/macos-ci-setup
@@ -4,6 +4,8 @@
# An additional requirement that is *not* handled by this script is the
# installation of Xcode, which requires manual intervention.
+set -e
+
if [[ -z "${BUILDKITE_AGENT_TOKEN}" ]]; then
echo "The BUILDKITE_AGENT_TOKEN environment variable must be set to a BuildKite Agent token when calling this script."
exit 1