Merge branch 'improve/edit_cancel' into 'master'

Better redirect for edit blobs from MergeRequest

app/controllers/application_controller.rb

@@ -210,4 +210,8 @@ class ApplicationController < ActionController::Base
     devise_parameter_sanitizer.for(:sign_in) { |u| u.permit(:username, :email, :password, :login, :remember_me) }
     devise_parameter_sanitizer.for(:sign_up) { |u| u.permit(:username, :email, :name, :password, :password_confirmation) }
   end
+
+  def hexdigest(string)
+    Digest::SHA1.hexdigest string
+  end
 end

app/controllers/projects/edit_tree_controller.rb

@@ -2,6 +2,8 @@ class Projects::EditTreeController < Projects::BaseTreeController
   before_filter :require_branch_head
   before_filter :blob
   before_filter :authorize_push!
+  before_filter :from_merge_request
+  before_filter :after_edit_path
   def show
     @last_commit = Gitlab::Git::Commit.last_for_path(@repository, @ref, @path).sha
@@ -13,15 +15,11 @@ class Projects::EditTreeController < Projects::BaseTreeController
     if result[:status] == :success
       flash[:notice] = "Your changes have been successfully committed"
-      # If blob edit was initiated from merge request page
-      from_merge_request = MergeRequest.find_by(id: params[:from_merge_request_id])
-
       if from_merge_request
         from_merge_request.reload_code
-        redirect_to diffs_project_merge_request_path(from_merge_request.target_project, from_merge_request)
-      else
-        redirect_to project_blob_path(@project, @id)
       end
+
+      redirect_to after_edit_path
     else
       flash[:alert] = result[:error]
       render :show
@@ -33,4 +31,19 @@ class Projects::EditTreeController < Projects::BaseTreeController
   def blob
     @blob ||= @repository.blob_at(@commit.id, @path)
   end
+
+  def after_edit_path
+    @after_edit_path ||=
+      if from_merge_request
+        diffs_project_merge_request_path(from_merge_request.target_project, from_merge_request) +
+          "#file-path-#{hexdigest(@path)}"
+      else
+        project_blob_path(@project, @id)
+      end
+  end
+
+  def from_merge_request
+    # If blob edit was initiated from merge request page
+    @from_merge_request ||= MergeRequest.find_by(id: params[:from_merge_request_id])
+  end
 end

app/views/projects/commits/_diffs.html.haml

@@ -45,7 +45,7 @@
       - file = project.repository.blob_at(@commit.parent_id, diff.old_path) unless file
       - next unless file
       .diff-file{id: "diff-#{i}"}
-        .diff-header
+        .diff-header{id: "file-path-#{hexdigest(diff.new_path || diff.old_path)}"}
           - if diff.deleted_file
             %span= diff.old_path

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

@@ -11,7 +11,7 @@
             %strong= @ref
         %span.options
           .btn-group.tree-btn-group
-            = link_to "Cancel", project_blob_path(@project, @id), class: "btn btn-tiny btn-cancel", data: { confirm: leave_edit_message }
+            = link_to "Cancel", @after_edit_path, class: "btn btn-tiny btn-cancel", data: { confirm: leave_edit_message }
       .file-content.code
         %pre#editor= @blob.data
@@ -29,7 +29,7 @@
         .message
           to branch
           %strong= @ref
-      = link_to "Cancel", project_blob_path(@project, @id), class: "btn btn-cancel", data: { confirm: leave_edit_message}
+      = link_to "Cancel", @after_edit_path, class: "btn btn-cancel", data: { confirm: leave_edit_message}
 :javascript
   ace.config.set("modePath", gon.relative_url_root + "#{Gitlab::Application.config.assets.prefix}/ace")