Fixed tree logs for branches with slash. Fixed remember of path when switch branch

app/controllers/refs_controller.rb

@@ -12,7 +12,7 @@ class RefsController < ProjectResourceController
     respond_to do |format|
       format.html do
         new_path = if params[:destination] == "tree"
-                     project_tree_path(@project, @ref)
+                     project_tree_path(@project, (@ref + "/" + params[:path]))
                    else
                      project_commits_path(@project, @ref)
                    end

config/routes.rb

@@ -158,7 +158,7 @@ Gitlab::Application.routes.draw do
     resources :deploy_keys
     resources :protected_branches, only: [:index, :create, :destroy]
-    resources :refs, only: [], path: "/" do
+    resources :refs, only: [] do
       collection do
         get "switch"
       end

lib/extracts_path.rb

@@ -52,7 +52,7 @@ module ExtractsPath
     # Remove project, actions and all other staff from path
     input.gsub!(/^\/#{Regexp.escape(@project.path_with_namespace)}/, "")
-    input.gsub!(/^\/(tree|commits|blame|blob)\//, "") # remove actions
+    input.gsub!(/^\/(tree|commits|blame|blob|refs)\//, "") # remove actions
     input.gsub!(/\?.*$/, "") # remove stamps suffix
     input.gsub!(/.atom$/, "") # remove rss feed
     input.gsub!(/\/edit$/, "") # remove edit route part