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-rw-r--r--lib/gitlab/git/raw_diff_change.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/gitlab/git/raw_diff_change.rb b/lib/gitlab/git/raw_diff_change.rb
index eb3d8819239..92f6c45ce25 100644
--- a/lib/gitlab/git/raw_diff_change.rb
+++ b/lib/gitlab/git/raw_diff_change.rb
@@ -38,7 +38,9 @@ module Gitlab
end
def extract_operation
- case @raw_operation&.first(1)
+ return :unknown unless @raw_operation
+
+ case @raw_operation[0]
when 'A'
:added
when 'C'