Deploy script

deploy.sh

#/bin/bash

branch_name=''
force_export=false

usage() {
 echo "Usage: $0 <prod|uat> [OPTIONS]"
 echo "Options:"
 echo " -h, --help      Display this help message"
 echo " -f, --force     Force export (even no new commit)"
}

handle_options() {
  branch_name=$1
  shift

  while [ $# -gt 0 ]; do
    case $1 in
      -h | --help)
        usage
        exit 0
        ;;
      -f | --force)
        force_export=true
        shift
        ;;
      *)
        echo "Invalid option: $1" >&2
        usage
        exit 1
        ;;
    esac
    shift
  done
}

handle_options "$@"

# validate branch_name must be either prod or uat
if [ "$branch_name" != 'prod' ] && [ "$branch_name" != 'uat' ]; then
  usage
  exit 1
fi

confirm() {
  # ANSI escape codes for bold and yellow text
  bold=$(tput bold)
  yellow=$(tput setaf 3)
  reset=$(tput sgr0)

  read -r -p "Are you sure you want to deploy ${bold}${yellow}$branch_name${reset}? [y/N] " response
  case "$response" in
    [yY][eE][sS]|[yY])
      true
      ;;
    *)
      false
      ;;
  esac
}

run() {
  echo "Deploy $branch_name in progress..."
  
  if ! confirm; then
    echo "Deployment cancelled"
    exit 0
  fi

  git checkout $branch_name
  if [ $? -ne 0 ]; then
    echo "Cannot checkout $branch_name"
    exit 1
  fi

  # Collect rev commit
  rev_commit=$(git rev-parse HEAD)

  # pull latest code
  git pull

  # Check if there is any changes and no force export
  if [ $(git rev-parse HEAD) == $rev_commit ] && [ $force_export == false ]; then
    echo "No changes"
    exit 0
  fi

  yarn &&
  yarn build
}

run