multidev-create.sh

#!/usr/bin/env bash
# Checkout a local branch and build a Pantheon multi-dev environment from it.
set -e

# Load variables.
source "$(dirname "$0")/_vars"

# Clean up the build.
cleanup() {
  if [[ -d ${RELEASE_DIRECTORY} && ${RELEASE_DIRECTORY} == *"pantheon"* && -d ${CURRENT_DIRECTORY} && ! -z ${GIT_CURRENT_BRANCH} ]]; then
    rm -rf "${RELEASE_DIRECTORY}"
    cd "${CURRENT_DIRECTORY}"
    git checkout --quiet "${GIT_CURRENT_BRANCH}"
  fi
}

# Script Usage
usage() {
  echo "Build a Pantheon multi-dev environment from a local repo BRANCH_NAME"
  echo " "
  echo "./scripts/docker/multidev-create BRANCH_NAME"
  echo " "
}

BRANCH_NAME="$1"
if [[ -z $BRANCH_NAME ]]; then
  usage
  exit 1
else

  HASH=$(git rev-parse --verify "$BRANCH_NAME" 2> /dev/null || true)
  if [ ! -n "$HASH" ]; then
    echo -e "${COLOR_ERROR}The local branch $BRANCH_NAME could not be found${COLOR_RESET}"
    exit 1
  else

    # @TODO: Add option for cloned environment.
    PANTHEON_SITE=attn
    CLONED_ENVIRONMENT="$PANTHEON_SITE.live"
    MULTIDEV_LIMIT=10

    MULTIDEV_SITE_COUNT=$("${SCRIPTS_DIRECTORY}/terminus" multidev:list --format=string "$PANTHEON_SITE" | wc -l | xargs)
    if [ "$MULTIDEV_SITE_COUNT" -ge "$MULTIDEV_LIMIT" ]; then
      echo -e "${COLOR_ERROR}The limit ($MULTIDEV_LIMIT) of multidev sites has been hit. ${COLOR_RESET}"
      "${SCRIPTS_DIRECTORY}/terminus" multidev:list "$PANTHEON_SITE"
      exit 1
    fi

    echo -e "${COLOR_HILIGHT}Creating Pantheon repo branch for multi-dev deployment...${COLOR_RESET}"
    if [[ ! ${#BRANCH_NAME} -lt 12 || ${BRANCH_NAME} =~ [^a-zA-Z0-9-] ]]; then
      PANTHEON_BRANCH=${BRANCH_NAME:0:11}
      PANTHEON_BRANCH=${PANTHEON_BRANCH//[^a-zA-Z0-9-]/-}
      echo -e "${COLOR_WARNING}NOTE: The envionment will be named ${PANTHEON_BRANCH} to fit Pantheon's multi-dev requirements ${COLOR_RESET}"
    else
      PANTHEON_BRANCH=${BRANCH_NAME}
    fi

    # Build the new envionment locally
    echo -e "${COLOR_HILIGHT}Checking out ${BRANCH_NAME} for build...${COLOR_RESET}"
    GIT_CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
    CURRENT_DIRECTORY=$(pwd)
    git checkout --quiet "${BRANCH_NAME}"
    RELEASE_DIRECTORY=${BUILD_DIRECTORY_NAME}-pantheon-${PANTHEON_BRANCH}
    if [ -d "${RELEASE_DIRECTORY}" ]; then
      rm -rf "${RELEASE_DIRECTORY}"
    fi
    mkdir -p "${RELEASE_DIRECTORY}"

    "${SCRIPTS_DIRECTORY}/build" -c -s "${REPOSITORY_DIRECTORY}" -o "${REPOSITORY_DIRECTORY}/${RELEASE_DIRECTORY}"

    cd "${RELEASE_DIRECTORY}" || exit
    git init
    git remote add deploy "${DEPLOY_REPOSITORY_URL}"
    git checkout --quiet -b "${PANTHEON_BRANCH}"
    git add --force .
    git commit --message "Push [${BRANCH_NAME}] multi-dev build branch" &> /dev/null
    git push deploy "${PANTHEON_BRANCH}" --set-upstream --force
    cd "${CURRENT_DIRECTORY}" || exit

    # Build the new multi-dev envionment and clean up the build.
    echo -e "${COLOR_HILIGHT}Building Pantheon multi-dev environment from $CLONED_ENVIRONMENT...${COLOR_RESET}"
    "${SCRIPTS_DIRECTORY}/terminus" -e multidev:create ${CLONED_ENVIRONMENT} "${PANTHEON_BRANCH}" || true

    echo -e "${COLOR_SUCCESS}Pantheon multi-dev environment ${PANTHEON_BRANCH}-${PANTHEON_SITE}.pantheonsite.io created.${COLOR_RESET}"
    cleanup
    exit 0
  fi
fi