# cargo xflowey
To implement various developer workflows (both locally, as well as in CI), the
OpenVMM project relies on [`flowey`](./flowey/flowey.md): a custom, in-house Rust library/framework
for writing maintainable, cross-platform automation.
`cargo xflowey` is a cargo alias that makes it easy for developers to run
`flowey`-based pipelines locally.
Some particularly notable pipelines:
- `cargo xflowey build-igvm` - primarily dev-tool used to build OpenHCL IGVM files locally
- `cargo xflowey restore-packages` - restores external packages needed to compile and run OpenVMM / OpenHCL
- `cargo xflowey vmm-tests-run` - build and run VMM tests with automatic artifact discovery. Use `--filter "test(name)"` to run specific tests
## `xflowey` vs `xtask`
In a nutshell:
- `cargo xtask`: implements novel, standalone tools/utilities
- `cargo xflowey`: orchestrates invoking a sequence of tools/utilities, without
doing any non-trivial data processing itselfmicrosoft/openvmm
Publicmirrored fromhttps://github.com/microsoft/openvmmAvailable
Guide/src/dev_guide/dev_tools/xflowey.md
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