Show last commit for current tree on tree page

app/controllers/projects/blob_controller.rb

@@ -42,6 +42,8 @@ class Projects::BlobController < Projects::ApplicationController
         environment_params = @repository.branch_exists?(@ref) ? { ref: @ref } : { commit: @commit }
         @environment = EnvironmentsFinder.new(@project, current_user, environment_params).execute.last
+        @last_commit = @repository.last_commit_for_path(@commit.id, @blob.path)
+
         render 'show'
       end

app/controllers/projects/tree_controller.rb

@@ -24,6 +24,8 @@ class Projects::TreeController < Projects::ApplicationController
       end
     end
+    @last_commit = @repository.last_commit_for_path(@commit.id, @tree.path) || @commit
+
     respond_to do |format|
       format.html
       # Disable cache so browser history works

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

@@ -3,8 +3,7 @@
 .info-well.hidden-xs
   .well-segment
     %ul.blob-commit-info
-      - blob_commit = @repository.last_commit_for_path(@commit.id, blob.path)
-      = render blob_commit, project: @project, ref: @ref
+      = render 'projects/commits/commit', commit: @last_commit, project: @project, ref: @ref
   - auxiliary_viewer = blob.auxiliary_viewer
   - if auxiliary_viewer && !auxiliary_viewer.render_error

app/views/projects/tree/show.html.haml

@@ -7,4 +7,4 @@
 = render 'projects/last_push'
 %div{ class: container_class }
-  = render 'projects/files', commit: @commit, project: @project, ref: @ref
+  = render 'projects/files', commit: @last_commit, project: @project, ref: @ref

changelogs/unreleased/dm-tree-last-commit.yml

+---
+title: Show last commit for current tree on tree page
+merge_request:
+author:

spec/views/projects/tree/show.html.haml_spec.rb

@@ -21,11 +21,11 @@ describe 'projects/tree/show' do
     let(:tree) { repository.tree(commit.id, path) }
     before do
+      assign(:id, File.join(ref, path))
       assign(:ref, ref)
-      assign(:commit, commit)
-      assign(:id, commit.id)
-      assign(:tree, tree)
       assign(:path, path)
+      assign(:last_commit, commit)
+      assign(:tree, tree)
     end
     it 'displays correctly' do