Update the deploy script.

.travis.yml

@@ -18,6 +18,7 @@ env:
   - JOB=doc
   - JOB=lite_lib
   - JOB=lite_lib2
+  - JOB=en_external_doc
 
 addons:
   apt:
@@ -43,6 +44,10 @@ script:
 
      if [ $JOB == "lite_lib2" ]; then scripts/build_doc_lib_lite2.sh 
      fi 
+
+     if [ $JOB == "en_external_doc" ]; then scripts/deploy_en_external_docs.sh 
+     fi 
+
 #before_cache:
 #  # Save tagged docker images
 #  - >

scripts/deploy_en_external_docs.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script is used to deploy the English specific documents. 
+# EX: Book, Mobile and Models. They are not yet consolidated into one Doc tree. 
+
+exit_code=0
+
+if [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then exit $exit_code; fi;
+
+# Deploy to the the content server if its a "develop" or "release/version" branch
+# The "develop_doc" branch is reserved to test full deploy process without impacting the real content.
+if [ "$TRAVIS_BRANCH" == "develop_doc" ]; then
+    PPO_SCRIPT_BRANCH=develop
+elif [[ "$TRAVIS_BRANCH" == "develop"  ||  "$TRAVIS_BRANCH" =~ ^v|release/[[:digit:]]+\.[[:digit:]]+(\.[[:digit:]]+)?(-\S*)?$ ]]; then
+    PPO_SCRIPT_BRANCH=master
+else
+    # Early exit, this branch doesn't require documentation build
+    echo "This branch doesn't require documentation build"
+    exit $exit_code;
+fi
+
+export DEPLOY_DOCS_SH=https://raw.githubusercontent.com/PaddlePaddle/PaddlePaddle.org/$PPO_SCRIPT_BRANCH/scripts/deploy/deploy_docs.sh
+
+echo "Deploy book under docker environment"
+docker run -it \
+    -e CONTENT_DEC_PASSWD=$CONTENT_DEC_PASSWD \
+    -e TRAVIS_BRANCH=$TRAVIS_BRANCH \
+    -e DEPLOY_DOCS_SH=$DEPLOY_DOCS_SH \
+    -e TRAVIS_PULL_REQUEST=$TRAVIS_PULL_REQUEST \
+    -e PPO_SCRIPT_BRANCH=$PPO_SCRIPT_BRANCH \
+    -e PADDLE_ROOT=/FluidDoc/external/Paddle \
+    -e PYTHONPATH=/FluidDoc/external/Paddle/build/python \
+    -v "$PWD:/FluidDoc" \
+    -w /FluidDoc \
+    paddlepaddle/paddle:latest-dev \
+    /bin/bash -c 'curl $DEPLOY_DOCS_SH | bash -s $CONTENT_DEC_PASSWD $TRAVIS_BRANCH /FluidDoc/external /FluidDoc/external $PPO_SCRIPT_BRANCH' || exit_code=$(( exit_code | $? ))
+
+exit $exit_code