Update emails to describe path using for_fork?

Forked MR's will print

Project:Branch <source_project_with_path>:<source_branch> -> <target_project_with_path>:<target_branch>

Non forked MR's will print

Branch <source_branch> -> <target_branch>

Change-Id: I89399aec2e7fde8e4b64b110a48099a95ae4f038

app/helpers/merge_requests_helper.rb

@@ -33,4 +33,12 @@ module MergeRequestsHelper
   def ci_build_details_path merge_request
     merge_request.source_project.gitlab_ci_service.build_page(merge_request.last_commit.sha)
   end
+
+  def merge_path_description(merge_request, separator)
+    if merge_request.for_fork?
+      "Project:Branches: #{@merge_request.source_project.path_with_namespace}:#{@merge_request.source_branch} #{separator} #{@merge_request.target_project.path_with_namespace}:#{@merge_request.target_branch}"
+    else
+      "Branches: #{@merge_request.source_branch} #{separator} #{@merge_request.target_branch}"
+    end
+  end
 end

app/mailers/emails/merge_requests.rb

@@ -23,7 +23,6 @@ module Emails
     end
   end
 
-
   # Over rides default behavour to show source/target
   # Formats arguments into a String suitable for use as an email subject
   #
@@ -63,4 +62,5 @@ module Emails
     subject << " | " + extra.join(' | ') if extra.present?
     subject
   end
+
 end

app/mailers/notify.rb

@@ -6,6 +6,7 @@ class Notify < ActionMailer::Base
 
   add_template_helper ApplicationHelper
   add_template_helper GitlabMarkdownHelper
+  add_template_helper MergeRequestsHelper
 
   default_url_options[:host]     = Gitlab.config.gitlab.host
   default_url_options[:protocol] = Gitlab.config.gitlab.protocol

app/views/notify/closed_merge_request_email.html.haml

 %p
   = "Merge Request #{@merge_request.id} was closed by #{@updated_by.name}"
 %p
-  = link_to_gfm truncate(@merge_request.title, length: 40), project_merge_request_url(@merge_request.project, @merge_request)
+  = link_to_gfm truncate(@merge_request.title, length: 40), project_merge_request_url(@merge_request.target_project, @merge_request)
 %p
-  Projects:Branches: #{@merge_request.source_project.path_with_namespace}:#{@merge_request.source_branch} → #{@merge_request.target_project.path_with_namespace}:#{@merge_request.target_branch}
+  != merge_path_description(@merge_request, '→')
 %p
   Assignee: #{@merge_request.author_name} → #{@merge_request.assignee_name}
 

app/views/notify/closed_merge_request_email.text.haml

@@ -2,7 +2,7 @@
 
 Merge Request url: #{project_merge_request_url(@merge_request.target_project, @merge_request)}
 
-Project:Branches: #{@merge_request.source_project.path_with_namespace}:#{@merge_request.source_branch} to #{@merge_request.target_project.path_with_namespace}:#{@merge_request.target_branch}
+= merge_path_description(@merge_request, 'to')
 
 Author: #{@merge_request.author_name}
 Assignee: #{@merge_request.assignee_name}

app/views/notify/merged_merge_request_email.html.haml

@@ -3,7 +3,7 @@
 %p
   = link_to_gfm truncate(@merge_request.title, length: 40), project_merge_request_url(@merge_request.target_project, @merge_request)
 %p
-  Projects:Branches: #{@merge_request.source_project.path_with_namespace}:#{@merge_request.source_branch} → #{@merge_request.target_project.path_with_namespace}:#{@merge_request.target_branch}
+  != merge_path_description(@merge_request, '→')
 %p
   Assignee: #{@merge_request.author_name} → #{@merge_request.assignee_name}
 

app/views/notify/merged_merge_request_email.text.haml

@@ -2,7 +2,7 @@
 
 Merge Request Url: #{project_merge_request_url(@merge_request.target_project, @merge_request)}
 
-Project:Branches: #{@merge_request.source_project.path_with_namespace}:#{@merge_request.source_branch} to #{@merge_request.target_project.path_with_namespace}:#{@merge_request.target_branch}
+= merge_path_description(@merge_request, 'to')
 
 Author: #{@merge_request.author_name}
 Assignee: #{@merge_request.assignee_name}

app/views/notify/new_merge_request_email.html.haml

@@ -3,7 +3,7 @@
 %p
   = link_to_gfm truncate(@merge_request.title, length: 40), project_merge_request_url(@merge_request.target_project, @merge_request)
 %p
-  Project:Branches: #{@merge_request.source_project.path_with_namespace}:#{@merge_request.source_branch} → #{@merge_request.target_project.path_with_namespace}:#{@merge_request.target_branch}
+  != merge_path_description(@merge_request, '→')
 %p
   Assignee: #{@merge_request.author_name} → #{@merge_request.assignee_name}
 

app/views/notify/new_merge_request_email.text.erb

@@ -2,7 +2,7 @@ New Merge Request <%= @merge_request.id %>
 
 <%= url_for(project_merge_request_url(@merge_request.target_project, @merge_request)) %>
 
-From: <%= @merge_request.source_project.path_with_namespace%>:<%= @merge_request.source_branch %> to <%= @merge_request.target_project.path_with_namespace%>:<%= @merge_request.target_branch %>
+ <%= merge_path_description(@merge_request, 'to') %>
 Author:   <%= @merge_request.author_name %>
 Asignee:  <%= @merge_request.assignee_name %>