set up travis deploy, i hope

.travis.yml

@@ -0,0 +1,8 @@
+language: rust
+before_script:
+  - (cargo install mdbook --force || true)
+script:
+  - mdbook build
+  - mdbook test
+after_success:
+  - test $TRAVIS_PULL_REQUEST == "false" && test $TRAVIS_BRANCH == "master" && bash deploy.sh

deploy.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -o errexit -o nounset
+
+if [ "$TRAVIS_BRANCH" != "master" ]
+then
+  echo "This commit was made against the $TRAVIS_BRANCH and not the master! No deploy!"
+  exit 0
+fi
+
+rev=$(git rev-parse --short HEAD)
+
+cd book
+
+git init
+git config user.name "Steve Klabnik"
+git config user.email "steve@steveklabnik.com"
+
+git remote add upstream "https://$GH_TOKEN@github.com/rust-lang-nursery/edition-guide.git"
+git fetch upstream
+git reset upstream/gh-pages
+
+touch .
+
+git add -A .
+git commit -m "rebuild pages at ${rev}"
+git push -q upstream HEAD:gh-pages