1 files changed, 5 insertions, 0 deletions
diff --git a/app/assets/javascripts/diffs/store/mutations.js b/app/assets/javascripts/diffs/store/mutations.js
index 3af2d6ee6b1..31369b169f5 100644
--- a/app/assets/javascripts/diffs/store/mutations.js
+++ b/app/assets/javascripts/diffs/store/mutations.js
@@ -349,6 +349,11 @@ export default {
       }
     }
   },
+  [types.SET_FILE_FORCED_OPEN](state, { filePath, forced = true }) {
+    const file = state.diffFiles.find((f) => f.file_path === filePath);
+
+    Vue.set(file.viewer, 'forceOpen', forced);
+  },
   [types.SET_CURRENT_VIEW_DIFF_FILE_LINES](state, { filePath, lines }) {
     const file = state.diffFiles.find((f) => f.file_path === filePath);