ironsetup

#!/usr/bin/env bash

#
# Globals
#

IRON_PACKAGES_SRC="$HOME/src/iron/packages"
BRANCH="next"
IRON_PACKAGES=(core dynamic-template layout controller component url location middleware-stack router)

#
# Help and usage info.
#

display_help() {
  cat <<-EOF

  Setup and develop on iron packages.

  Usage: setup [options]

  Options:
    --help             Display help
    --branch           Set all iron packages to use a particular branch
    --use              Put the iron packages in Meteor's package lookup

EOF
  exit 0
}

function use() {
  echo "Setting PACKAGE_DIRS environment variable"
  export PACKAGE_DIRS="$IRON_PACKAGES_SRC:$PACKAGE_DIRS"
}

#
# Setup
#
function setup() {
  # create package directory
  echo "Making sure iron package directory exists at $IRON_PACKAGES_SRC"
  mkdir -p "$IRON_PACKAGES_SRC"

  # clone all packages
  local saved_pwd="$PWD"

  cd "$IRON_PACKAGES_SRC"
  
  for package in "${IRON_PACKAGES[@]}"
  do
    if [ ! -d "iron:$package" ]; then
      echo "Cloning $package into iron:$package"
      git clone https://github.com/eventedmind/iron-"$package".git iron:"$package"
    else
      echo "iron:$package already exists so doing nothing."
    fi
  done

  checkout;

  cd $saved_pwd;
}

function checkout() {
  local saved_pwd="$PWD"

  cd "$IRON_PACKAGES_SRC"
  for package in "${IRON_PACKAGES[@]}"
  do
    echo "Checking out $BRANCH branch of iron:$package"
    (cd "iron:$package" && git checkout "$BRANCH")
  done

  echo ""
  echo "All iron packages should now be on the \"$BRANCH\" branch"
  echo ""

  cd $saved_pwd;
}

#
# Handle arguments.
#

if [ $# -eq 0 ]; then
  setup
else
  while [ $# -ne 0 ]; do
    case $1 in
      -h|--help|help)       display_help ;;
      --branch)             BRANCH="$2"; shift ;; 
      --use)                use ;;
      *)                    display_help ;;
    esac
    shift
  done

  setup $1
fi