Get diff for all changes in current branch (#12265)

* get diff for all changes in current branch

* diff with upstream/develop

* let dist test serial

paddle/scripts/paddle_build.sh

@@ -333,8 +333,7 @@ function assert_api_not_changed() {
     python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API.spec new.spec
     deactivate
 
-    # Use git diff --name-only HEAD^ may not get file changes for update commits in one PR
+    API_CHANGE=`git diff --name-only upstream/develop | grep "paddle/fluid/API.spec" || true`
-    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}'

python/paddle/fluid/tests/unittests/CMakeLists.txt

@@ -48,6 +48,7 @@ list(REMOVE_ITEM TEST_OPS test_warpctc_op)
 list(REMOVE_ITEM TEST_OPS test_dist_train)
 list(REMOVE_ITEM TEST_OPS test_parallel_executor_crf)
 list(REMOVE_ITEM TEST_OPS test_parallel_executor_fetch_feed)
+list(REMOVE_ITEM TEST_OPS test_dist_se_resnext)
 foreach(TEST_OP ${TEST_OPS})
     py_test_modules(${TEST_OP} MODULES ${TEST_OP})
 endforeach(TEST_OP)
@@ -60,3 +61,4 @@ if(WITH_DISTRIBUTE)
 endif()
 py_test_modules(test_parallel_executor_crf MODULES test_parallel_executor_crf SERIAL)
 py_test_modules(test_parallel_executor_fetch_feed MODULES test_parallel_executor_fetch_feed SERIAL)
+py_test_modules(test_dist_se_resnext MODULES test_dist_se_resnext SERIAL)