diff options
Diffstat (limited to 'app/models/merge_request_diff.rb')
-rw-r--r-- | app/models/merge_request_diff.rb | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/app/models/merge_request_diff.rb b/app/models/merge_request_diff.rb index 36b8b70870b..3f7e96186a1 100644 --- a/app/models/merge_request_diff.rb +++ b/app/models/merge_request_diff.rb @@ -6,6 +6,9 @@ class MergeRequestDiff < ActiveRecord::Base # Prevent store of diff if commits amount more then 500 COMMITS_SAFE_SIZE = 100 + # Valid types of serialized diffs allowed by Gitlab::Git::Diff + VALID_CLASSES = [Hash, Rugged::Patch, Rugged::Diff::Delta] + belongs_to :merge_request state_machine :state, initial: :empty do @@ -170,6 +173,15 @@ class MergeRequestDiff < ActiveRecord::Base private + # Old GitLab implementations may have generated diffs as ["--broken-diff"]. + # Avoid an error 500 by ignoring bad elements. See: + # https://gitlab.com/gitlab-org/gitlab-ce/issues/20776 + def valid_raw_diff?(raw) + return false unless raw.respond_to?(:each) + + raw.any? { |element| VALID_CLASSES.include?(element.class) } + end + def dump_commits(commits) commits.map(&:to_hash) end @@ -200,7 +212,7 @@ class MergeRequestDiff < ActiveRecord::Base end def load_diffs(raw, options) - if raw.respond_to?(:each) + if valid_raw_diff?(raw) if paths = options[:paths] raw = raw.select do |diff| paths.include?(diff[:old_path]) || paths.include?(diff[:new_path]) |