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path: root/app/services/delete_tag_service.rb
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class DeleteTagService < BaseService
  def execute(tag_name)
    repository = project.repository
    tag = repository.find_tag(tag_name)

    unless tag
      return error('No such tag', 404)
    end

    if repository.rm_tag(tag_name)
      release = project.releases.find_by(tag: tag_name)
      release.destroy if release

      push_data = build_push_data(tag)
      EventCreateService.new.push(project, current_user, push_data)
      project.execute_hooks(push_data.dup, :tag_push_hooks)
      project.execute_services(push_data.dup, :tag_push_hooks)

      success('Tag was removed')
    else
      error('Failed to remove tag')
    end
  end

  def error(message, return_code = 400)
    super(message).merge(return_code: return_code)
  end

  def success(message)
    super().merge(message: message)
  end

  def build_push_data(tag)
    Gitlab::DataBuilder::Push.build(
      project,
      current_user,
      tag.dereferenced_target.sha,
      Gitlab::Git::BLANK_SHA,
      "#{Gitlab::Git::TAG_REF_PREFIX}#{tag.name}",
      [])
  end
end