From aefefbf11701042ae59a60818e3f957b30831dfd Mon Sep 17 00:00:00 2001
From: Felipe Artur <felipefac@gmail.com>
Date: Mon, 13 Nov 2017 16:38:15 -0200
Subject: [PATCH] Prevents position update for image diff notes

---
 app/models/diff_note.rb               | 3 ++-
 changelogs/unreleased/issue_40058.yml | 5 +++++
 spec/models/diff_note_spec.rb         | 6 ++++++
 3 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 changelogs/unreleased/issue_40058.yml

diff --git a/app/models/diff_note.rb b/app/models/diff_note.rb
index d88a92dc027..ae5f138a920 100644
--- a/app/models/diff_note.rb
+++ b/app/models/diff_note.rb
@@ -18,7 +18,8 @@ class DiffNote < Note
   validate :positions_complete
   validate :verify_supported
 
-  before_validation :set_original_position, :update_position, on: :create
+  before_validation :set_original_position, on: :create
+  before_validation :update_position, on: :create, if: :on_text?
   before_validation :set_line_code
   after_save :keep_around_commits
 
diff --git a/changelogs/unreleased/issue_40058.yml b/changelogs/unreleased/issue_40058.yml
new file mode 100644
index 00000000000..46e83d947ba
--- /dev/null
+++ b/changelogs/unreleased/issue_40058.yml
@@ -0,0 +1,5 @@
+---
+title: Prevents position update for image diff notes
+merge_request:
+author:
+type: fixed
diff --git a/spec/models/diff_note_spec.rb b/spec/models/diff_note_spec.rb
index da972d2d86a..8389d5c5430 100644
--- a/spec/models/diff_note_spec.rb
+++ b/spec/models/diff_note_spec.rb
@@ -283,6 +283,12 @@ describe DiffNote do
         expect(diff_line).to be nil
         expect(subject).to be_valid
       end
+
+      it "does not update the position" do
+        expect(subject).not_to receive(:update_position)
+
+        subject.save
+      end
     end
 
     it "returns true for on_image?" do
-- 
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