From b03fac4f903a60bc8eaed1ad5c5477167caababe Mon Sep 17 00:00:00 2001
From: typhoonzero <typhoonzero1986@gmail.com>
Date: Thu, 19 Jul 2018 10:06:25 +0800
Subject: [PATCH] get more accurate file changes

---
 paddle/scripts/paddle_build.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index c9f741274..9837117fb 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -333,7 +333,8 @@ function assert_api_not_changed() {
     python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API.spec new.spec
     deactivate
 
-    API_CHANGE=`git diff --name-only HEAD^ | grep "paddle/fluid/API.spec" || true`
+    # Use git diff --name-only HEAD^ may not get file changes for update commits in one PR
+    API_CHANGE=`echo $CHANGED_FILES | grep "paddle/fluid/API.spec" || true`
     echo "checking API.spec change, PR: ${GIT_PR_ID}, changes: ${API_CHANGE}"
     if [ ${API_CHANGE} ] && [ "${GIT_PR_ID}" != "" ]; then
         # TODO: curl -H 'Authorization: token ${TOKEN}'
-- 
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