s3d

#!/usr/bin/env bash

set -e

DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
VERSION=0.1.0

# Colors
GREEN="\033[0;32m"
BLUE="\033[0;34m"
GREY="\033[1;30m"
CYAN="\033[0;36m"
RED="\033[0;31m"
YELLOW="\033[0;33m"
NO_COLOR="\033[0m"
BOLD="\033[1m"

function displayHelpText {
  text=$(cat <<-EOF

  Usage:

    s3d <config-file>
      -h, display this message
      -f, force upload without asking for confirmation
      -e (git_tag|git_sha1|author)=VAL sets path variable to VAL
      -v, display version
\n
EOF
)
  echo -e "$text"
}

function displayVersionText {
  echo -e "s3d version $(cat "$path/version")\n"
}

function confirm {
  read -p "Are you sure? " -n 1 -r USER_REPLY
  if [[ $USER_REPLY =~ ^[Yy]$ ]]
  then
    echo ""
  else
    echo -e "$RED\n\nDeploy aborted\n$NO_COLOR"
    exit 1
  fi
}

path="$(readlink $DIR/s3d | xargs dirname )"

git_tag=""
git_sha1=""
author=""

while getopts "hvfe:" opt; do
  case "$opt" in 
    h)
      displayHelpText
      exit 0
      ;;
    v)
      displayVersionText
      exit 0
      ;;
    f)
      ignore_confirm=true
      ;;
    e)
      if [[ $OPTARG =~ ^git_tag=(.+)$ ]]; then
        git_tag=${BASH_REMATCH[1]}
        echo -e "\$git_tag = ${git_tag}"
      elif [[ $OPTARG =~ ^git_sha1=(.+)$ ]]; then
        git_sha1=${BASH_REMATCH[1]}
        echo -e "\$git_sha1 = ${git_sha1}"
      elif [[ $OPTARG =~ ^author=(.+)$ ]]; then
        author=${BASH_REMATCH[1]}
        echo -e "\$author = ${author}"
      else
        echo "Could not match -e param. Must be of form (git_tag|git_sha1|author)=VAL"
      fi
      ;;
  esac
done

shift "$((OPTIND-1))" # Shift off the options
if [ ! $1 ] ; then
  displayHelpText
  exit 0
fi

$path/scripts/plan.rb "${1}" "${git_tag}" "${git_sha1}" "${author}"
if [ ! $ignore_confirm ] ; then
  confirm
fi
$path/scripts/execute.rb "${1}" "${git_tag}" "${git_sha1}" "${author}"