Files
windmill/cli
hugocasa f2f0812a04 feat(flows): opt-in to include the stopping step's result in early-stop errors (#9446)
* feat(flows): early stop can include the stopping step's result in the raised error

When a step uses Early Stop with "Raise an error message if stopped", the
flow result was entirely replaced with a static error object
({"error": {"name": "EarlyStopError", "message": "..."}}), discarding the
stopping step's own output. This made it impossible to stop+fail a flow
while preserving the data the step produced (e.g. an API that returns
HTTP 200 with a userErrors payload).

Add an opt-in `error_include_result` flag on StopAfterIf. When enabled on
the raise-error path, the raised payload becomes
{"error": {...}, "result": <step result>} instead of dropping the result.
Default is false, so existing behavior is unchanged. The option is threaded
through the worker's stop-after-if handling (including stop_after_all_iters_if
for loops/branchall) and exposed in the flow editor's Early Stop panel.

Fixes WIN-2012

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* test(flows): cover early-stop error_include_result payload shaping

Add a regression test asserting that a step using Early Stop with a raised
error message and error_include_result=true fails the flow while preserving
the step output as {"error": {..}, "result": <step result>}, and that with
the flag off the result is the bare {"error": {..}} object.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* refactor(flows): nest early-stop step result inside the error object

Embed the stopping step's result under `error.result` rather than as a
top-level sibling of `error`. This keeps the flow result shape as
`{ "error": { .. } }` — identical to a normal error — so consumers that
key off the top-level shape (single `error` key) keep working, while the
data is still preserved for those that look inside the error object.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(flows): always include the stopping step's result in early-stop errors

Drop the opt-in `error_include_result` gate. Since the step result is nested
inside the error object (`error.result`), the top-level result shape stays
`{ "error": .. }` — identical to a normal error — so consumers that detect or
parse failures by the top-level shape are unaffected. Gating it added schema
surface, plumbing, and a UI toggle for no real compatibility benefit.

Now, whenever a step early-stops with a raised error message, the flow fails
and the raised error embeds the stopping step's own result under
`error.result` (aggregated iteration results for loops/branchall). This
reverts the `StopAfterIf.error_include_result` field, its threading, the
OpenAPI/generated-client surface, and the editor toggle; the "Raise an error
message" tooltip now notes that the step result is included.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* feat(flows): gate early-stop result inclusion behind opt-in flag

Re-introduce the per-step `error_include_result` flag (default off) instead
of always embedding the step result. Although nesting the result under
`error.result` keeps the result *shape* backward-compatible, it does not
address data exposure: a failed flow's result is propagated to synchronous
webhook callers, the flow's failure module, and the workspace/global error
handler (commonly a Slack/email/outbound-webhook notifier). Always including
the step output would surface previously-redacted intermediate data to all of
those sinks for every existing error-stop flow.

Gating keeps the existing behavior (bare `{ "error": .. }`) as the default and
only embeds `error.result` when the flow author explicitly opts in, matching
the original issue's intent.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(flows): omit error_include_result when false; refresh generated prompts

- Add `skip_serializing_if = "is_false"` to `StopAfterIf.error_include_result`
  so serialized flows are byte-identical when the flag is off. Fixes the
  `flowmodule_serde` round-trip test (cargo_test) and avoids churn on existing
  flows.
- Regenerate `system_prompts/auto-generated/` and `cli/src/guidance/skills.gen.ts`
  for the new OpenFlow `error_include_result` property. Fixes check-freshness.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* test(flows): cover error_include_result for the loop "stop after all iters" path

Add a regression test for the stop_after_all_iters_if branch, where `nresult`
already holds the aggregated iteration results — confirming `error.result`
carries each iteration's output (distinct from the per-step fallback path).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-04 18:57:05 +00:00
..
2022-11-01 15:53:28 +01:00
2023-02-03 19:49:46 +01:00
2026-02-23 09:09:16 +00:00
2025-12-26 20:32:42 +00:00

Windmill CLI

A simple CLI allowing interactions with windmill from the command line.

You can find more information in Windmill Docs

Installation

Install the wmill CLI tool using npm install -g windmill-cli.

Update to the latest version using wmill upgrade.

Workspaces

To get started run wmill workspace add or use the instructions from the workspace settings.

Running Flows & Scripts

Run a script or flow using wmill flow/script run u/username/path/to/script and pass any inputs using --data + Inputs specified as a JSON string or a file using @ <filename> or stdin using @-.

Curl-style syntax using -d @- for stdin or -d @<filename> is also supported.

Flow Steps and Logs will be streamed during execution automatically.

CLI input example

Pushing Resources, Scripts & More

The CLI can push specifications to a windmill instance. See the examples/ folder for formats.

Switch to a different workspace

wmill workspace switch <workspace_name>

Sync a workspace

Pull

wmill sync pull

Push

wmill sync push

We recommend using the --yaml option to use yaml instead of json as the encoding format. Yaml will be made the default soon.

Pushing individual files

You can push individual resources using wmill <type> push <file_name> \<remote_name\>. This does not require a special folder layout or file name, as this is given at runtime.

Listing

All commands support listing by just not providing a subcommand, ie wmill script will result in a list of scripts. Some allow additional options, learn about this by specifying --help.

User Management

You can add & remove users via wmill user add/remove, and list them using wmill user

Pulling

You can pull the entire workspace using wmill pull

Completion

The CLI comes with completions out of the box via wmill completions <shell>. (Via cliffy)

Bash

To enable bash completions add the following line to your ~/.bashrc:

source <(wmill completions bash)

Fish

To enable fish completions add the following line to your ~/.config/fish/config.fish:

source (wmill completions fish | psub)

Zsh

To enable zsh completions add the following line to your ~/.zshrc:

source <(wmill completions zsh)

Development

AI Guidance Variants

wmill init can now materialize alternate AI guidance bundles without changing the generated defaults in the repo, but this is exposed as internal env-var overrides rather than public CLI flags.

Examples:

WMILL_INIT_AI_SKILLS_SOURCE=/path/to/custom/skills wmill init --use-default
WMILL_INIT_AI_SKILLS_SOURCE=/path/to/custom/skills WMILL_INIT_AI_AGENTS_SOURCE=/path/to/AGENTS.md wmill init --use-default
WMILL_INIT_AI_SKILLS_SOURCE=/path/to/custom/skills WMILL_INIT_AI_CLAUDE_SOURCE=/path/to/CLAUDE.md wmill init --use-default

This is the same guidance-writing path used by the benchmark CLI under ai_evals/, so the benchmark harness and wmill init now generate the same project guidance shape:

  • AGENTS.md
  • CLAUDE.md
  • .agents/skills/*
  • .claude/skills/*

Testing with a local windmill-yaml-validator

To test local changes to the validator before publishing, use npm link:

# In windmill-yaml-validator/
npm run build
npm link

# In cli/
npm link windmill-yaml-validator

Running Tests

Prerequisites:

  • PostgreSQL running locally (default: postgres://postgres:changeme@localhost:5432)
  • Rust toolchain installed

Run tests locally (full features):

bun test test/

Run tests in CI mode (minimal features, skips EE tests):

CI_MINIMAL_FEATURES=true bun test test/
Variable Description
CI_MINIMAL_FEATURES Set to true to skip EE-dependent tests
DATABASE_URL PostgreSQL connection string
EE_LICENSE_KEY Enterprise license key for EE features