Fix for creating a project through API when import_url is niltc-fix-project-create-500

The API was returning 500 when `nil` is passed for the `import_url`.

In fact, it was `Gitlab::UrlSanitizer.valid?` which was throwing a
`NoMethodError` when `nil` value was passed.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/gitlab/url_sanitizer.rb b/lib/gitlab/url_sanitizer.rb
index 1f0d96088cf..c81dc7e30d0 100644
--- a/lib/gitlab/url_sanitizer.rb
+++ b/lib/gitlab/url_sanitizer.rb
@@ -9,6 +9,8 @@ module Gitlab
     end
 
     def self.valid?(url)
+      return false unless url
+
       Addressable::URI.parse(url.strip)
 
       true