#!/bin/bash

set -e
set -u

APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)

. $APPSH_HOME/lib/common
# HEADER END

usage_text() {
  echo "usage: $usage_app"
}

if [ $# != 0 ]
then
  usage
fi

assert_is_app

resolver_name=`app-conf get app.resolver`
resolver=`find_resolver "$resolver_name"`

old_version=`app-conf get app.version`
echo "Resolving version $old_version"
"$resolver" resolve-version
new_version=`app-conf get app.resolved_version`

if [[ $new_version == $old_version ]]
then
  echo "No new version available" 2>&1
  exit
fi

echo "Resolved version to $new_version"

"$resolver" download-version -v "$new_version" -f .app/latest.zip

app-install-file -v "$new_version" -f .app/latest.zip