CircleCi 2.0 config for creating Multidev enviroments from a Github PR

circle.yml

version: 2
jobs:
  build:
    docker:
      - image: notnoopci/php:7.1.5-browsers
    working_directory: ~/wordpress
    steps:
      - add_ssh_keys
      - run:
          name: Install Terminus
          command: composer global require pantheon-systems/terminus  "^1"
      - run: echo 'export PATH=/home/circleci/.composer/vendor/bin:$PATH' >> $BASH_ENV
      - run: echo "export ENV_NAME=$(echo $CIRCLE_BRANCH | tr '[:upper:]' '[:lower:]' | sed 's/[^0-9a-z-]//g' | cut -c -11 | sed 's/-$//')" >> $BASH_ENV
      - run:
          name: Login to Terminus
          command: terminus auth:login --machine-token=$TERMINUS_TOKEN
      - checkout
      - run: echo "StrictHostKeyChecking no" >~/.ssh/config
      - run: git remote add pantheon $PANTHEON_GIT_URL
      - run: git fetch pantheon
      - run:
          name: Multidev stuff
          command: |
            if [ "${CIRCLE_BRANCH}" != "master" ]; then
              ./bin/multidev.sh
            fi
      - deploy:
          name: Deploy
          command: |
            if [ "${CIRCLE_BRANCH}" == "master" ]; then
              git push pantheon master
            fi

multidev.sh

#!/bin/bash
GITHUB_API_URL="https://api.github.com"

if [ "$PANTHEON_GIT_URL" != 0 ]
  then
  PANTHEON_GIT_URL="$(terminus connection:info $SITE_NAME.dev --fields=git_url  --format=string)"
fi

echo "PANTHEON_GIT_URL is $PANTHEON_GIT_URL"

# Add a remote if it doesn't exist.
git ls-remote --exit-code pantheon >/dev/null 2>&1
if [ $? -ne 0 ]
  then
  git remote add pantheon $PANTHEON_GIT_URL
fi

PANTHEON_ENVS="$(terminus multidev:list $SITE_NAME --fields=Name --format=string)"

MULTIDEV_FOUND=0

while read -r line; do
  if [[ "${line}" == "${ENV_NAME}" ]]
    then
    MULTIDEV_FOUND=1
  fi
done <<< "$PANTHEON_ENVS"

## If the multidev for this branch is found

if [[ "$MULTIDEV_FOUND" -eq 1 ]]
  then
  # Simply push the the branch on Pantheon.
  echo -e "\n${txtylw}Multidev found! Pushing to Pantheon.${txtrst}"
  git push pantheon $CIRCLE_BRANCH:$ENV_NAME
else
  # otherwise, create the multidev branch
  echo -e "\n${txtylw}Multidev not found, creating the multidev branch ${ENV_NAME} via Terminus ${txtrst}"
  terminus multidev:create $SITE_NAME.live "$ENV_NAME" --yes
  MULTDEV_LINK="http://$ENV_NAME-$SITE_NAME.pantheonsite.io/"
  PR_NUMBER=${CIRCLE_PULL_REQUEST##*/}
  curl -i -u "$GITHUB_USER:$GITHUB_TOKEN" -d "{\"body\": \"Multidev `$ENV_NAME` created successfully! [$MULTDEV_LINK]($MULTDEV_LINK)\"}" $GITHUB_API_URL/repos/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME/issues/$PR_NUMBER/comments
  echo $MULTIDEV_LINK
fi