app/views/pipelines/_show_held_requests.html.erb
<% if @show_held_requests %>
<%= link_to( "Hide hidden requests", { controller: "pipelines", action: "show", id: @pipeline.id, page: @current_page }) %>
<% else %>
<%= link_to( "Show hidden requests", { controller: "pipelines", action: "show", id: @pipeline.id, view: "all", page: @current_page }) %>
<% end %>