git.cap

desc 'Verify user is on the right branch or tag, since assets are built locally'
task :verify_git_branch do
  on roles(:app) do
    run_locally do
      deployTarget = "#{fetch(:branch)}" # convert to string
      currentBranch = ENV['TRAVIS_BRANCH'] \
        ? ENV['TRAVIS_BRANCH'] \
        : capture(:git, 'rev-parse --abbrev-ref HEAD')
      currentTag = capture(:git, 'describe --exact-match --tags 2>/dev/null || echo 0')
      if ((deployTarget != currentBranch) && (deployTarget != currentTag))
        abort "\n" \
          "Deploy aborted: incorrect branch ⚠️\n\n" \
          "It appears you haven't checked out the branch or tag you're trying to deploy. \n" \
          "$ git checkout #{fetch(:branch)} && cap #{fetch(:stage)} deploy\n\n" \
      end
    end
  end
end