Prevent “This merge request contains merge conflicts” from being shown after…

app/assets/javascripts/merge_request_widget.js

@@ -53,7 +53,7 @@
           return function(data) {
             var callback, urlSuffix;
             if (data.state === "merged") {
-              urlSuffix = deleteSourceBranch ? '?delete_source=true' : '';
+              urlSuffix = deleteSourceBranch ? '?deleted_source_branch=true' : '';
               return window.location.href = window.location.pathname + urlSuffix;
             } else if (data.merge_error) {
               return $('.mr-widget-body').html("<h4>" + data.merge_error + "</h4>");

app/controllers/projects/merge_requests_controller.rb

@@ -168,7 +168,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
       flash[:conflicts_message] = 'Merge conflicts resolved.'
       flash.keep
 
-      render json: { redirect_to: namespace_project_merge_request_url(@project.namespace, @project, @merge_request) }
+      render json: { redirect_to: namespace_project_merge_request_url(@project.namespace, @project, @merge_request, resolved_conflicts: true) }
     rescue Gitlab::Conflict::File::MissingResolution => e
       render status: :bad_request, json: { message: e.message }
     end

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

@@ -6,7 +6,7 @@
       - 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)}
-    - if !@merge_request.source_branch_exists? || (params[:delete_source] == 'true')
+    - if !@merge_request.source_branch_exists? || params[:deleted_source_branch]
       %p
         The changes were merged into
         #{link_to @merge_request.target_branch, namespace_project_commits_path(@project.namespace, @project, @merge_request.target_branch), class: "label-branch"}.

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

@@ -9,7 +9,7 @@
       = render 'projects/merge_requests/widget/open/missing_branch'
     - elsif @merge_request.unchecked?
       = render 'projects/merge_requests/widget/open/check'
-    - elsif @merge_request.cannot_be_merged?
+    - elsif @merge_request.cannot_be_merged? && !params[:resolved_conflicts]
       = render 'projects/merge_requests/widget/open/conflicts'
     - elsif @merge_request.work_in_progress?
       = render 'projects/merge_requests/widget/open/wip'