Make sure the .git is at the end on Gitlab::GithubImport::WikiFormatter

lib/gitlab/github_import/wiki_formatter.rb

@@ -12,7 +12,7 @@ module Gitlab
       end
       def import_url
-        project.import_url.sub(".git", ".wiki.git")
+        project.import_url.sub(/\.git\z/, ".wiki.git")
       end
     end
   end

spec/lib/gitlab/github_import/wiki_formatter_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::GithubImport::WikiFormatter, lib: true do
   let(:project) do
     create(:project, namespace: create(:namespace, path: 'gitlabhq'),
-                     import_url: 'https://xxx@github.com/gitlabhq/gitlabhq.git')
+                     import_url: 'https://xxx@github.com/gitlabhq/sample.gitlabhq.git')
   end
   subject(:wiki) { described_class.new(project)}
@@ -16,7 +16,7 @@ describe Gitlab::GithubImport::WikiFormatter, lib: true do
   describe '#import_url' do
     it 'returns URL of the wiki repository' do
-      expect(wiki.import_url).to eq 'https://xxx@github.com/gitlabhq/gitlabhq.wiki.git'
+      expect(wiki.import_url).to eq 'https://xxx@github.com/gitlabhq/sample.gitlabhq.wiki.git'
     end
   end
 end