use travis deploy

.travis-deploy.sh

@@ -1,19 +0,0 @@
-#!/bin/bash
-name="Dongdong Tian"
-mail="seisman.info@gmail.com"
-docdir=pdf
-pdfname=Makefile.pdf
-
-echo "In master branch, deploying now..."
-git config user.name "${name}"
-git config user.email "${mail}"
-
-# Deploy Github Pages
-ghp-import -b gh-pages -n build/html -m 'Update by travis automatically'
-git push "https://${GH_TOKEN}@${GH_REF}" gh-pages:gh-pages --force --quiet
-
-# Deploy offline HTML and PDF files
-mkdir build/${docdir} && cd build
-cp latex/${pdfname} ${docdir}/
-ghp-import -b ${docdir} ${docdir} -m 'Update by travis automatically'
-git push "https://${GH_TOKEN}@${GH_REF}" ${docdir}:${docdir} --force --quiet

.travis.yml

@@ -1,6 +1,6 @@
 language: python
 python:
-  - "3.5"
+  - "3.6"
 
 sudo: required
 dist: trusty
@@ -8,6 +8,7 @@ dist: trusty
 branches:
   only:
     - master
+    - dev
 
 install:
   - pip install -r requirements.txt
@@ -19,4 +20,12 @@ script:
   - make xelatexpdf
 
 after_success:
-    bash ./.travis-deploy.sh
+  - cp build/latex/Makefile.pdf build/html/
+
+deploy:
+  provider: pages
+  skip_cleanup: true
+  github_token: ${GH_TOKEN}
+  local_dir: build/html
+  on:
+    branch: master