Pretzel AppVeyor build and deployment to blog

appveyor.yml

branches:
  only:
    - source
    
environment:
  access_token:
    secure: ABC123...
    # replace the above with your secure token

install:
  - git submodule init
  - git submodule update
  - cinst pretzel

build_script:
  - ps: .\pretzel.ps1

test: off

on_success:
  # See http://www.appveyor.com/docs/how-to/git-push for more info
  - git config --global credential.helper store
  - git config --global user.email %APPVEYOR_REPO_COMMIT_AUTHOR_EMAIL%
  - git config --global user.name %APPVEYOR_REPO_COMMIT_AUTHOR%
  - ps: Add-Content "$env:USERPROFILE\.git-credentials" "https://$($env:access_token):x-oauth-basic@github.com`n"
  - cmd: cd _site
  - git add .
  - git commit -m "From Appveyor [skip appveyor]"
  - git push origin HEAD:master -f