Add download_snippet_path helper

app/helpers/blob_helper.rb

@@ -118,15 +118,15 @@ module BlobHelper
     icon("#{file_type_icon_class('file', mode, name)} fw")
   end
-  def blob_raw_url(params = {})
+  def blob_raw_url
     if @snippet
       if @snippet.project_id
-        raw_namespace_project_snippet_path(@project.namespace, @project, @snippet, params)
+        raw_namespace_project_snippet_path(@project.namespace, @project, @snippet)
       else
-        raw_snippet_path(@snippet, params)
+        raw_snippet_path(@snippet)
       end
     elsif @blob
-      namespace_project_raw_path(@project.namespace, @project, @id, params)
+      namespace_project_raw_path(@project.namespace, @project, @id)
     end
   end

app/helpers/snippets_helper.rb

@@ -8,6 +8,14 @@ module SnippetsHelper
     end
   end
+  def download_snippet_path(snippet)
+    if snippet.project_id
+      raw_namespace_project_snippet_path(@project.namespace, @project, snippet, inline: false)
+    else
+      raw_snippet_path(snippet, inline: false)
+    end
+  end
+
   # Return the path of a snippets index for a user or for a project
   #
   # @returns String, path to snippet index

app/views/shared/snippets/_blob.html.haml

@@ -18,6 +18,6 @@
       = copy_blob_source_button(blob)
       = open_raw_blob_button(blob)
-      = link_to icon('download'), blob_raw_url(inline: false), target: '_blank', class: "btn btn-sm has-tooltip", title: 'Download', data: { container: 'body' }
+      = link_to icon('download'), download_snippet_path(@snippet), target: '_blank', class: "btn btn-sm has-tooltip", title: 'Download', data: { container: 'body' }
 = render 'projects/blob/content', blob: blob