Move the file serving to Raw controller, add a few ifs to view.

app/controllers/projects/blob_controller.rb

@@ -17,7 +17,6 @@ class Projects::BlobController < Projects::ApplicationController
   before_action :require_branch_head, only: [:edit, :update]
   before_action :editor_variables, except: [:show, :preview, :diff]
   before_action :after_edit_path, only: [:edit, :update]
-  before_action :show_lfs_object, only: :show
 
   def new
     commit unless @repository.empty?
@@ -194,20 +193,4 @@ class Projects::BlobController < Projects::ApplicationController
       file_content_encoding: params[:encoding]
     }
   end
-
-  def show_lfs_object
-    return unless @blob && @blob.text? && @blob.data.present?
-
-    if @blob.data.starts_with?("version https://git-lfs.github.com/spec")
-      oid = @blob.data.match(/#{LfsObject::MATCH_FROM_POINTER_REGEX}/)
-      if oid && oid[1]
-        lfs_object = LfsObject.find_by_oid(oid[1])
-        return nil unless lfs_object && lfs_object.file.exists?
-
-        if lfs_object.projects.exists?(lfs_object.storage_project(@project).id)
-          send_file lfs_object.file.path, filename: @blob.name, disposition: 'attachment'
-        end
-      end
-    end
-  end
 end

app/controllers/projects/raw_controller.rb

@@ -10,15 +10,13 @@ class Projects::RawController < Projects::ApplicationController
     @blob = @repository.blob_at(@commit.id, @path)
 
     if @blob
-      type = get_blob_type
-
       headers['X-Content-Type-Options'] = 'nosniff'
 
-      send_data(
-        @blob.data,
-        type: type,
-        disposition: 'inline'
-      )
+      if @blob.lfs_pointer?
+        send_lfs_object
+      else
+        stream_data
+      end
     else
       render_404
     end
@@ -35,4 +33,23 @@ class Projects::RawController < Projects::ApplicationController
       'application/octet-stream'
     end
   end
+
+  def stream_data
+    type = get_blob_type
+
+    send_data(
+        @blob.data,
+        type: type,
+        disposition: 'inline'
+      )
+  end
+
+  def send_lfs_object
+    lfs_object = LfsObject.find_by_oid(@blob.lfs_oid)
+    return nil unless lfs_object && lfs_object.file.exists?
+
+    if lfs_object.projects.exists?(lfs_object.storage_project(@project).id)
+      send_file lfs_object.file.path, filename: @blob.name, disposition: 'attachment'
+    end
+  end
 end

app/views/projects/blob/_actions.html.haml

 .btn-group.tree-btn-group
-  = edit_blob_link(@project, @ref, @path)
+  = edit_blob_link(@project, @ref, @path) unless @blob.lfs_pointer?
   = link_to 'Raw', namespace_project_raw_path(@project.namespace, @project, @id),
       class: 'btn btn-sm', target: '_blank'
   -# only show normal/blame view links for text files
-  - if @blob.text?
+  - if @blob.text? && !@blob.lfs_pointer?
     - if current_page? namespace_project_blame_path(@project.namespace, @project, @id)
       = link_to 'Normal View', namespace_project_blob_path(@project.namespace, @project, @id),
           class: 'btn btn-sm'
@@ -16,7 +16,7 @@
     = link_to 'Permalink', namespace_project_blob_path(@project.namespace, @project,
         tree_join(@commit.sha, @path)), class: 'btn btn-sm'
 
-- if allowed_tree_edit?
+- if allowed_tree_edit? && !@blob.lfs_pointer?
   .btn-group{ role: "group" }
     %button.btn.btn-default{ 'data-target' => '#modal-upload-blob', 'data-toggle' => 'modal' } Replace
     %button.btn.btn-remove{ 'data-target' => '#modal-remove-blob', 'data-toggle' => 'modal' } Delete

app/views/projects/blob/_blob.html.haml

@@ -29,10 +29,12 @@
       %strong
         = blob.name
       %small
-        = number_to_human_size(blob.size)
+        = number_to_human_size(blob.size) unless blob.lfs_pointer?
       .file-actions.hidden-xs
         = render "actions"
-    - if blob.text?
+    - if blob.lfs_pointer?
+      = render "download", blob: blob
+    - elsif blob.text?
       = render "text", blob: blob
     - elsif blob.image?
       = render "image", blob: blob

app/views/projects/blob/_download.html.haml

@@ -4,4 +4,8 @@
       %h1.light
         %i.fa.fa-download
       %h4
-        Download (#{number_to_human_size blob.size})
+        - if blob.lfs_pointer?
+          - size = blob.lfs_size
+        - else
+          - size = blob.size
+        Download (#{number_to_human_size size})