From 8d5cab8acfca829d6975aaf16b2c31ac7675c389 Mon Sep 17 00:00:00 2001
From: Sebastian Roth <sebastian.roth@gmail.com>
Date: Fri, 11 May 2018 16:53:41 +0800
Subject: [PATCH] [extension-ffmpeg] repeatable build instructions

Ensure the build instructions are repeatable once the ffmpeg repository is checked out.
---
 extensions/ffmpeg/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/ffmpeg/README.md b/extensions/ffmpeg/README.md
index fa7ac6b9fa..1f1b93ce53 100644
--- a/extensions/ffmpeg/README.md
+++ b/extensions/ffmpeg/README.md
@@ -70,7 +70,7 @@ COMMON_OPTIONS="\
     --enable-decoder=flac \
     " && \
 cd "${FFMPEG_EXT_PATH}/jni" && \
-git clone git://source.ffmpeg.org/ffmpeg ffmpeg && cd ffmpeg && \
+(git -C ffmpeg pull || git clone git://source.ffmpeg.org/ffmpeg ffmpeg) && cd ffmpeg && \
 ./configure \
     --libdir=android-libs/armeabi-v7a \
     --arch=arm \