Easy setup blogging that uses a github pages and middleman-blog

.travis.yml

---
language: ruby
script: bundle exec middleman build

env:
  global:
    - GIT_COMMITTER_NAME=USERNAME
    - GIT_COMMITTER_EMAIL=USERNAME-EMAIL
    - GIT_AUTHOR_NAME=USERNAME
    - GIT_AUTHOR_EMAIL=USERNAME-EMAIL
    - secure: "YOUR-TRAVIS-TOKEN"

before_script:
  - git clone --quiet https://github.com/USERNAME/REPOSITORY
  - pushd build
  - git checkout -b gh-pages
  - popd

after_success:
  - cd build
  - git add -A
  - git commit -m 'Update'
  - '[ "$TRAVIS_BRANCH" == "master" ] && [ $GH_TOKEN ] && git push --quiet https://$GH_TOKEN@github.com/USERNAME/REPOSITORY.git gh-pages 2> /dev/null'

process.sh

# install middleman-blog
gem install middleman-blog

# create blog
middleman init blog --template=blog

# structure
tree -L 2

myblog
 |- .gitignore
 |- config.rb
 |- Gemfile
 |- Gemfile.lock
 |- source
    |- 2012-01-01-example-article.html.markdown
    |- calendar.html.erb
    |- feed.xml.builder
    |- images
    |- index.html.erb
    |- javascripts
    |- layout.erb
    |- stylesheets
    |- tag.html.erb
    
# local development server 
bundle exec middleman server

# access
open http://localhost:4567

# blog build
bundle exec middleman build

# publish gh-pages use gem
gem install middleman-gh-pages

# create Rakefile
touch Rakefile
echo "require 'middleman-gh-pages'" >> Rakefile

# publish
bundle exec rake publish

# access gh-pages
open http://USERNAME.github.io/YOUR-REPOSITORY

# auto puslish use travis
gem install travis

# login travis
travis login

# sync repository
travis sync

# create .travis.yml
travis init ruby

# enable your projects
travis enable

# open travis browser
travis open

# get github api token
curl -u 'USERNAME' -d '{"scopes":["repo"],"note":"travis-ghpages"}'  https://api.github.com/authorizations
Enter host password for user 'USERNAME':

{
  "id": xxxxxxxx,
  "url": "https://api.github.com/authorizations/xxxxxxxx",
  "app": {
    "name": "travis-ghpages (API)",
    "url": "https://developer.github.com/v3/oauth_authorizations/",
    "client_id": "00000000000000000000"
  },
  "token": "GITHUB-TOKEN",
  "note": "travis-ghpages",
  "note_url": null,
  "created_at": "2014-04-29T10:18:54Z",
  "updated_at": "2014-04-29T10:18:54Z",
  "scopes": [
    "repo"
  ]
}

# get travis token
travis encrypt -r USERNAME/YOUR-REPOSITORY "GH_TOKEN=GITHUB-TOKEN"

Please add the following to your .travis.yml file:
secure: "YOUR-TRAVIS-TOKEN"

# edit .travis.yml
vi .travis.yml

# When you push in the Master branch, it can be build automatically by travis.
# Reference URL
# http://tricknotes.hateblo.jp/entry/2013/06/17/020229