Revert "Merge branch 'symlink-identifier/unique-id-all-diff-files' into 'master'"

This reverts merge request !34128

app/assets/javascripts/diffs/store/utils.js

@@ -16,7 +16,6 @@ import {
   INLINE_DIFF_VIEW_TYPE,
   PARALLEL_DIFF_VIEW_TYPE,
 } from '../constants';
-import { uuids } from '../utils/uuids';
 
 export function findDiffFile(files, match, matchKey = 'file_hash') {
   return files.find(file => file[matchKey] === match);
@@ -404,26 +403,8 @@ function deduplicateFilesList(files) {
   return Object.values(dedupedFiles);
 }
 
-function prepareDiffFile(file) {
-  Object.assign(file, {
-    uuid: uuids({
-      seeds: [
-        file.blob.id,
-        file.diff_refs.base_sha,
-        file.diff_refs.start_sha,
-        file.diff_refs.head_sha,
-        file.file_identifier_hash,
-        Number(file.blob.mode),
-      ],
-    })[0],
-  });
-
-  return file;
-}
-
 export function prepareDiffData(diff, priorFiles = []) {
   const cleanedFiles = (diff.diff_files || [])
-    .map(prepareDiffFile)
     .map(ensureBasicDiffFileLines)
     .map(prepareDiffFileLines)
     .map(finalizeDiffFile);

spec/frontend/diffs/mock_data/diff_file.js

@@ -13,7 +13,6 @@ export default {
   blob_name: 'CHANGELOG',
   blob_icon: '<i aria-hidden="true" data-hidden="true" class="fa fa-file-text-o fa-fw"></i>',
   file_hash: '1c497fbb3a46b78edf04cc2a2fa33f67e3ffbe2a',
-  file_identifier_hash: '928f8286952bda02d674b692addcbe077084663a',
   file_path: 'CHANGELOG',
   new_file: false,
   deleted_file: false,

spec/frontend/diffs/store/mutations_spec.js

@@ -243,8 +243,6 @@ describe('DiffsStoreMutations', () => {
       const data = {
         diff_files: [
           {
-            blob: {},
-            diff_refs: {},
             content_sha: 'abc',
             file_hash: fileHash,
             extra_field: 1,

spec/frontend/diffs/store/utils_spec.js

 import { clone } from 'lodash';
 import * as utils from '~/diffs/store/utils';
-import { uuids } from '~/diffs/utils/uuids';
 import {
   LINE_POSITION_LEFT,
   LINE_POSITION_RIGHT,
@@ -431,7 +430,6 @@ describe('DiffsStoreUtils', () => {
   });
 
   describe('prepareDiffData', () => {
-    let fileId;
     let mock;
     let preparedDiff;
     let splitInlineDiff;
@@ -440,17 +438,6 @@ describe('DiffsStoreUtils', () => {
 
     beforeEach(() => {
       mock = getDiffFileMock();
-      [fileId] = uuids({
-        seeds: [
-          mock.blob.id,
-          mock.diff_refs.base_sha,
-          mock.diff_refs.start_sha,
-          mock.diff_refs.head_sha,
-          mock.file_identifier_hash,
-          Number(mock.blob.mode),
-        ],
-      });
-
       preparedDiff = { diff_files: [mock] };
       splitInlineDiff = {
         diff_files: [{ ...mock, parallel_diff_lines: undefined }],
@@ -468,13 +455,6 @@ describe('DiffsStoreUtils', () => {
       completedDiff.diff_files = utils.prepareDiffData(completedDiff, [mock]);
     });
 
-    it('adds a universally unique identifier to each diff file', () => {
-      expect(preparedDiff.diff_files[0].uuid).toBe(fileId);
-      expect(splitInlineDiff.diff_files[0].uuid).toBe(fileId);
-      expect(splitParallelDiff.diff_files[0].uuid).toBe(fileId);
-      expect(completedDiff.diff_files[0].uuid).toBe(fileId);
-    });
-
     it('sets the renderIt and collapsed attribute on files', () => {
       const firstParallelDiffLine = preparedDiff.diff_files[0].parallel_diff_lines[2];