windmill-labs/windmill · error · Error

.wmillignore is not supported anymore, switch to wmill.yaml

Error message

.wmillignore is not supported anymore, switch to wmill.yaml

What it means

The legacy .wmillignore file is no longer honored by wmill sync. To prevent silently ignoring different files than the user expects, sync throws immediately when a .wmillignore file exists, telling you to migrate to wmill.yaml.

Solutions

1. Delete .wmillignore from the sync folder
2. Re-express the ignore rules in wmill.yaml (the current configuration file)
3. Re-run the sync command after migrating

Example fix

// before
.wmillignore:
  node_modules/
// after (wmill.yaml)
include:
  - "**"
exclude:
  - node_modules/**

try { await Deno.stat('.wmillignore'); throw new Error('Migrate .wmillignore to wmill.yaml before running sync'); } catch (e) { if (!(e instanceof Error) || !e.message.startsWith('Migrate')) { /* file absent — ok */ } }

async function hasLegacyIgnore(dir = '.'): Promise<boolean> { try { await Deno.stat(`${dir}/.wmillignore`); return true; } catch { return false; } }

try { await syncPush(); } catch (e) { if (String(e.message).includes('.wmillignore')) { console.error('Delete .wmillignore and move its rules into wmill.yaml, then retry.'); } else throw e; }

When it happens

Trigger: Running any wmill sync command (push/pull) from a folder containing a .wmillignore file; the stat('.wmillignore') check succeeds and the error is thrown.

Common situations: Upgrading the CLI from an older version where .wmillignore worked; a repo cloned from an old template containing .wmillignore.

Related errors

• Found directory(ies) using format, but wmill.yaml expects…
• is workspace-specific on the remote but not flagged in…
• ⚠️ --branch/--env is deprecated. Use --workspace instead.
• Cannot infer script language from extension
• Could not auto-fill missing lockfile entries

AI-assisted analysis of windmill-labs/windmill@e474e8803c (2026-09-03). Data as JSON: /api/errors/72f05742dc439f12. Report an issue: GitHub.

Appendix: source

Thrown at cli/src/commands/sync/sync.ts:3105

  ) {
    whitelist = {
      approve(file: string): boolean {
        return (
          (!wmillconf.includes ||
            wmillconf.includes?.some((i) => minimatch(file, i))) &&
          (!wmillconf?.excludes ||
            wmillconf.excludes!.every((i) => !minimatch(file, i))) &&
          (!wmillconf.extraIncludes ||
            wmillconf.extraIncludes.length === 0 ||
            wmillconf.extraIncludes.some((i) => minimatch(file, i)))
        );
      },
    };
  }

  try {
    await stat(".wmillignore");
    throw Error(".wmillignore is not supported anymore, switch to wmill.yaml");
  } catch {
    //expected
  }

  // new Gitignore.default({ initialRules: ignoreContent.split("\n")}).ignoreContent).compile();

  return (p: string, isDirectory: boolean) => {
    // Without the option, `locks/` is not Windmill's: a repo that keeps its own
    // lockfiles there would otherwise see them pulled into the diff and deleted
    // as absent from a remote that never serializes shared locks.
    if (
      !wmillconf.dedupeLockfiles &&
      (p === SHARED_LOCK_DIR || p.startsWith(SHARED_LOCK_DIR + SEP))
    ) {
      return true;
    }
    const ext = wmillconf.json ? ".json" : ".yaml";
    if (!isDirectory && p.endsWith(".resource-type" + ext)) {

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