immich/server/src/sql-tools/comparers/extension.comparer.ts

import { Comparer, DatabaseExtension, Reason } from 'src/sql-tools/types';

export const compareExtensions = (): Comparer<DatabaseExtension> => ({
  onMissing: (source) => [
    {
      type: 'ExtensionCreate',
      extension: source,
      reason: Reason.MissingInTarget,
    },
  ],
  onExtra: (target) => [
    {
      type: 'ExtensionDrop',
      extensionName: target.name,
      reason: Reason.MissingInSource,
    },
  ],
  onCompare: () => {
    // if the name matches they are the same
    return [];
  },
});