Make #commit_with_hooks return the new obj id plus some other fixes.

app/helpers/commits_helper.rb

@@ -123,14 +123,16 @@ module CommitsHelper
     )
   end
-  def revert_commit_link(continue_to_path, btn_class: nil)
+  def revert_commit_link(commit, continue_to_path, btn_class: nil)
     return unless current_user
+    tooltip = "Revert this #{revert_commit_type(commit)} in a new merge request"
+
     if can_collaborate_with_project?
       content_tag :span, 'data-toggle' => 'modal', 'data-target' => '#modal-revert-commit' do
-        link_to 'Revert', '#modal-revert-commit', 'data-toggle' => 'tooltip', 'data-original-title' => 'Create merge request to revert commit', class: "btn btn-close btn-#{btn_class}"
+        link_to 'Revert', '#modal-revert-commit', 'data-toggle' => 'tooltip', 'data-original-title' => tooltip, class: "btn btn-close btn-#{btn_class}"
       end
-    else
+    elsif can?(current_user, :fork_project, @project)
       continue_params = {
         to: continue_to_path,
         notice: edit_in_new_fork_notice + ' Try to revert this commit again.',
@@ -140,7 +142,15 @@ module CommitsHelper
         namespace_key: current_user.namespace.id,
         continue: continue_params)
-      link_to 'Revert', fork_path, class: 'btn btn-grouped btn-close', method: :post, 'data-toggle' => 'tooltip', 'data-original-title' => 'Create merge request to revert commit'
+      link_to 'Revert', fork_path, class: 'btn btn-grouped btn-close', method: :post, 'data-toggle' => 'tooltip', 'data-original-title' => tooltip
+    end
+  end
+
+  def revert_commit_type(commit)
+    if commit.merged_merge_request
+      'merge request'
+    else
+      'commit'
     end
   end

app/models/repository.rb

@@ -601,7 +601,6 @@ class Repository
   def merge(user, source_sha, target_branch, options = {})
     our_commit = rugged.branches[target_branch].target
     their_commit = rugged.lookup(source_sha)
-    merge_commit_sha = nil
     raise "Invalid merge target" if our_commit.nil?
     raise "Invalid merge source" if their_commit.nil?
@@ -616,10 +615,8 @@ class Repository
         update_ref: ref
       )
-      merge_commit_sha = Rugged::Commit.create(rugged, actual_options)
+      Rugged::Commit.create(rugged, actual_options)
     end
-
-    merge_commit_sha
   end
   def revert(user, commit, base_branch, target_branch = nil)
@@ -762,6 +759,8 @@ class Repository
           end
         end
       end
+
+      newrev
     end
   end

app/views/projects/commit/_commit_box.html.haml

@@ -17,7 +17,7 @@
       = icon('files-o')
       Browse Files
     - unless @commit.has_been_reverted?(current_user)
-      = revert_commit_link(namespace_project_commit_path(@project.namespace, @project, @commit.id))
+      = revert_commit_link(@commit, namespace_project_commit_path(@project.namespace, @project, @commit.id))
   %div
 %p

app/views/projects/merge_requests/widget/_merged.html.haml

@@ -6,8 +6,8 @@
       - if @merge_request.merge_event
         by #{link_to_member(@project, @merge_request.merge_event.author, avatar: true)}
         #{time_ago_with_tooltip(@merge_request.merge_event.created_at)}
-      - unless @merge_request.has_been_reverted?(current_user)
-        = revert_commit_link(namespace_project_merge_request_path(@project.namespace, @project, @merge_request), btn_class: 'sm')
+      - if @merge_request.merge_commit && !@merge_request.has_been_reverted?(current_user)
+        = revert_commit_link(@merge_request.merge_commit, namespace_project_merge_request_path(@project.namespace, @project, @merge_request), btn_class: 'sm')
     %div
       - if !@merge_request.source_branch_exists? || (params[:delete_source] == 'true')
         The changes were merged into