#!/usr/bin/env bash
# Usage: script/release
# Build the package, tag a commit, push it to origin, and then release the
# package to our private gem repository.

# Let's source required ENV variables
source .rbenv-vars
set -e

# Get latest tag

# http://git-scm.com/docs/git-fetch
# `-t`: Fetch all tags from the remote
echo "Fetching origin with all remote tags..."
git fetch -t origin

latest_tag=$(git describe --always origin/master --abbrev=0 --match="v*")
latest_release=${latest_tag:1}
echo "Did you update the VERSION in lib/shipit-cli/version.rb ?"
read -p "It should be > $latest_release [y/N]: " response

if [[ $response =~ ^(y|Y)$ ]]; then
  # Build the gem
  echo "Preparing the gem package in pkg/*"
  # Output format: intello-shipit-cli 1.0.2 built to pkg/intello-shipit-cli-1.0.2.gem.
  version="$(script/package | grep Version: | awk '{print $2}')"
  # Did we get a version?
  if [ -z "$version" ]; then echo "You have to give me a semantic tag, like 1.0.0"; exit 1; fi
  echo "Tagging your code to v$version"
  echo ""

  echo "Make sure you are GPG ready."
  echo "You should have run this at one point:"
  echo "$ git config --global user.signingkey [gpg-key-id]"
  git tag -s "v$version" -m "Release v$version"
  git push origin
  git push origin "v$version"
  echo ""
  echo "Publishing to remote gem repository."
  gem push pkg/intello-shipit-cli-${version}.gem
else
  echo "You canceled the operation, nothing was done."
fi