Function runMigration

packages/migration-legacy/src/run-migration.ts:34–152

(input: RunMigrationInput)

}

export async function runMigration(input: RunMigrationInput): Promise<MigrationReport> {
  const startedAt = new Date().toISOString();
  const version = input.migratorVersion ?? DEFAULT_MIGRATOR_VERSION;
  const log = (m: string): void => {
    input.onProgress?.(m);
  };

  const config = input.scope.config
    ? await migrateConfigStep({ sourceHome: input.source, targetHome: input.target })
    : {
        migrated: false,
        tuiExtracted: false,
        droppedProviders: [],
        droppedModels: [],
        droppedKeys: [],
        configConflicts: [],
        wroteSiblingDueToConflict: false,
        wroteTuiSibling: false,
        migratedHooks: 0,
        droppedHooks: 0,
        siblingContents: { providers: [], models: [], hooks: 0 },
      };
  log('config done');

  const mcp = input.scope.mcp
    ? await migrateMcpStep({ sourceHome: input.source, targetHome: input.target })
    : { mergedServers: [], keptNewForConflicts: [], droppedServers: [], wroteSiblingDueToConflict: false };
  log('mcp done');

  const userHistory = input.scope.userHistory
    ? await migrateUserHistoryStep({ sourceHome: input.source, targetHome: input.target })
    : { copied: 0, skippedExisting: 0 };
  log('user-history done');

  const skills = input.scope.skills
    ? await migrateSkillsStep({ sourceHome: input.source, targetHome: input.target })
    : { copied: 0, skippedExisting: 0 };
  log('skills done');

  const sessions: SessionsSummary = input.scope.sessions
    ? await migrateSessionsStep({
        sourceHome: input.source,
        targetHome: input.target,
        onSessionProgress: input.onSessionProgress,
      })
    : emptyConfigOnlySessions();
  log('sessions done');

  const completedAt = new Date().toISOString();

  const report: MigrationReport = {
    startedAt,
    completedAt,
    migratorVersion: version,
    source: input.source,
    target: input.target,
    summary: {
      config,