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#!/bin/bash
# Automatically deploy on gh-pages
set -ex
SOURCE_BRANCH="master"
TARGET_BRANCH="gh-pages"
# Save some useful information
REPO=$(git config remote.origin.url)
SSH_REPO=${REPO/https:\/\/github.com\//git@github.com:}
SHA=$(git rev-parse --verify HEAD)
# Clone the existing gh-pages for this repo into out/
git clone --quiet --single-branch --branch "$TARGET_BRANCH" "$REPO" out
echo "Removing the current docs for master"
rm -rf out/master/ || exit 0
echo "Making the docs for master"
mkdir out/master/
cp util/gh-pages/index.html out/master
python ./util/export.py out/master/lints.json
if [[ -n "$TRAVIS_TAG" ]]; then
echo "Save the doc for the current tag ($TRAVIS_TAG) and point current/ to it"
cp -r out/master "out/$TRAVIS_TAG"
rm -f out/current
ln -s "$TRAVIS_TAG" out/current
fi
# Generate version index that is shown as root index page
cp util/gh-pages/versions.html out/index.html
pushd out
cat <<-EOF | python - > versions.json
import os, json
print json.dumps([
dir for dir in os.listdir(".") if not dir.startswith(".") and os.path.isdir(dir)
])
EOF
popd
# Pull requests and commits to other branches shouldn't try to deploy, just build to verify
if [[ "$TRAVIS_PULL_REQUEST" != "false" ]] || [[ "$TRAVIS_BRANCH" != "$SOURCE_BRANCH" ]]; then
# Tags should deploy
if [[ -z "$TRAVIS_TAG" ]]; then
echo "Generated, won't push"
exit 0
fi
fi
# Now let's go have some fun with the cloned repo
cd out
git config user.name "Travis CI"
git config user.email "travis@ci.invalid"
if git diff --exit-code --quiet; then
echo "No changes to the output on this push; exiting."
exit 0
fi
cd -
# Get the deploy key by using Travis's stored variables to decrypt deploy_key.enc
ENCRYPTION_LABEL=e3a2d77100be
ENCRYPTED_KEY_VAR="encrypted_${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 "$ENCRYPTED_IV" -in .github/deploy_key.enc -out .github/deploy_key -d
chmod 600 .github/deploy_key
eval "$(ssh-agent -s)"
ssh-add .github/deploy_key
cd out
git add .
git commit -m "Automatic deploy to GitHub Pages: ${SHA}"
# Now that we're all set up, we can push.
git push "$SSH_REPO" "$TARGET_BRANCH"
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