ghost/core/client/templates/editor-save-button.hbs

<button type="button" {{action "save"}} {{bind-attr class=":btn :btn-sm view.isDangerous:btn-red:btn-blue :js-publish-button" }}>{{view.save-text}}</button>
{{#gh-popover-button popoverName="post-save-menu" classNameBindings=":btn :btn-sm view.isDangerous:btn-red:btn-blue btnopen:active :dropdown-toggle :up"}}
    <i class="options"></i>
    <span class="sr-only">Toggle Settings Menu</span>
{{/gh-popover-button}}
{{#gh-popover name="post-save-menu" closeOnClick="true" tagName="div" classNames="dropdown editor-options" publishTextBinding="view.publish-text" draftTextBinding="view.draft-text"}}
    <ul class="dropdown-menu dropdown-triangle-bottom-right">
        <li {{bind-attr class="controller.willPublish:active" }}>
            <a {{action "setSaveType" "publish"}} href="#">{{view.publishText}}</a>
        </li>
        <li {{bind-attr class="controller.willPublish::active" }}>
            <a {{action "setSaveType" "draft"}} href="#">{{view.draftText}}</a>
        </li>
    </ul>
{{/gh-popover}}