From 7c221c221b333188463dc585de2fa2ebf1c53929 Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Thu, 24 Oct 2019 12:48:30 +0700
Subject: [PATCH] fix branch checkout when building the interop image

---
 interop/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/interop/Dockerfile b/interop/Dockerfile
index 324a6d301..8fbafd805 100644
--- a/interop/Dockerfile
+++ b/interop/Dockerfile
@@ -13,7 +13,7 @@ ARG CACHEBUST=1
 
 RUN git clone https://github.com/lucas-clemente/quic-go && \
   cd quic-go && \
-  git checkout interop && \
+  git fetch origin interop && git checkout -t origin/interop && \
   go get ./...
 
 WORKDIR /quic-go