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- #!/bin/bash
- set -e # Exit with nonzero exit code if anything fails
- SOURCE_BRANCH="master"
- TARGET_BRANCH="gh-pages"
- function doCompile {
- bundle exec jekyll build
- }
- # Pull requests and commits to other branches shouldn't try to deploy, just build to verify
- if [ "$TRAVIS_PULL_REQUEST" != "false" -o "$TRAVIS_BRANCH" != "$SOURCE_BRANCH" ]; then
- echo "Skipping deploy; just doing a build."
- doCompile
- exit 0
- fi
- # Save some useful information
- REPO=`git config remote.origin.url`
- SSH_REPO=${REPO/https:\/\/github.com\//git@github.com:}
- SHA=`git rev-parse --verify HEAD`
- OUT=_gh_pages
- # Clone the existing gh-pages for this repo into dist/
- # Create a new empty branch if gh-pages doesn't exist yet (should only happen on first deply)
- git clone $REPO $OUT
- cd $OUT
- git checkout $TARGET_BRANCH || git checkout --orphan $TARGET_BRANCH
- cd ..
- # Clean out existing contents
- rm -rf $OUT/**/* || exit 0
- # Run our compile script
- doCompile
- # Now let's go have some fun with the cloned repo
- cd $OUT
- git config user.name "Travis CI"
- git config user.email "$COMMIT_AUTHOR_EMAIL"
- # If there are no changes to the compiled dist (e.g. this is a README update) then just bail.
- if git diff --quiet; then
- echo "No changes to the output on this push; exiting."
- exit 0
- fi
- # Commit the "changes", i.e. the new version.
- # The delta will show diffs between new and old versions.
- git add -A .
- git commit -m "Deploy to GitHub Pages: ${SHA}"
- # Get the deploy key by using Travis's stored variables to decrypt deploy_key.enc
- ENCRYPTED_KEY_VAR="encrypted_${ENCRYPTION_LABEL}_key"
- ENCRYPTED_IV_VAR="encrypted_${ENCRYPTION_LABEL}_iv"
- ENCRYPTED_KEY=${!ENCRYPTED_KEY_VAR}
- ENCRYPTED_IV=${!ENCRYPTED_IV_VAR}
- openssl aes-256-cbc -K $ENCRYPTED_KEY -iv $ENCRYPTED_IV -in ../deploy_key.enc -out ../deploy_key -d
- chmod 600 ../deploy_key
- eval `ssh-agent -s`
- ssh-add ../deploy_key
- # Now that we're all set up, we can push.
- git push $SSH_REPO $TARGET_BRANCH
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