Merge branch 'kalibyrn/gitlab-ee-downcase-emails-for-hook'

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

lib/gitlab/git_access.rb

@@ -187,7 +187,7 @@ module Gitlab
 
         oldrev = project.default_branch if Gitlab::Git.blank_ref?(oldrev)
 
-        commits = 
+        commits =
           if oldrev
             project.repository.commits_between(oldrev, newrev)
           else
@@ -213,12 +213,12 @@ module Gitlab
 
           # Check whether author is a GitLab member
           if git_hook.member_check
-            unless User.existing_member?(commit.author_email)
+            unless User.existing_member?(commit.author_email.downcase)
               return build_status_object(false, "Author '#{commit.author_email}' is not a member of team")
             end
 
-            if commit.author_email != commit.committer_email
-              unless User.existing_member?(commit.committer_email)
+            if commit.author_email.downcase != commit.committer_email.downcase
+              unless User.existing_member?(commit.committer_email.downcase)
                 return build_status_object(false, "Committer '#{commit.committer_email}' is not a member of team")
               end
             end