Common Unix command-line utilities implemented in MoonBit for policy-controlled execution.

command-line

coreutils

moonbit

wasm

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Author

mooxCLI

Version

0.1.3

License

Apache-2.0

Repository

github.com/moonbit-community/cmd

Last updated

17 hours ago

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Dependencies

#cmd

Common Unix command-line utilities implemented in MoonBit for policy-controlled execution.

This repository is one MoonBit module, mooxCLI/cmd. Every command is an executable package directly below the repository root, so a package is selected as mooxCLI/cmd/<command>.

#Status

The source tree contains 48 executable command packages:

20 commands migrated from the fixed upstream moonbit-jq/cmd snapshot.
12 read-only commands in Batch 1.
Eight filesystem mutation commands in Batch 2.
Eight restricted commands in Batch 3: env, xargs, timeout, sh, make, curl, wget, and chmod.

The first 20-command release is mooxCLI/cmd@0.1.0. The expansion batches are implemented and tested in this repository; they are not represented as a new published release by this change.

chown and kill are intentionally absent. Their required owner-mutation and arbitrary-process-signalling primitives are outside the current package scope.

#Package layout

cmd/
|-- moon.mod              # name = "mooxCLI/cmd"
|-- cat/
|   |-- moon.pkg          # executable package mooxCLI/cmd/cat
|   |-- main.mbt
|   `-- README.md
|-- internal/
|   |-- fsops/            # private filesystem helpers
|   |-- netops/           # private network helpers
|   `-- shell/            # private shell parsing helpers
|-- tests/
|   |-- cram/             # command behavior tests
|   `-- policy/           # policy behavior tests
`-- docs/

There is one root moon.mod; command directories do not contain independent modules. Generated pkg.generated.mbti files are committed and regenerated by moon info.

#Command boundaries

Commands use MoonBit implementations and policy-visible runtime APIs. They do not invoke a same-named command to implement their behavior. The sh and make packages parse and execute bounded language subsets in MoonBit; they may start individual commands only through the process API, never a complete script through another interpreter.

The default target is Wasm, and packages that declare native+wasm are checked on both targets. Commands with process, network, or permission-mutation access are kept in the restricted Batch 3 set until their policy behavior is explicitly tested.

The jq and jqlog entry points depend on the external bobzhang/moonjq@0.1.1 module. This dependency does not change the public package coordinates, which remain mooxCLI/cmd/jq and mooxCLI/cmd/jqlog.

#Development

The validation suite covers formatting, generated interfaces, all supported MoonBit targets, command-line behavior, and policy-controlled resource access:

moon update
moon check --target all --deny-warn
moon info
moon fmt
moon test --target all
moon cram test tests/cram TUTORIAL.md
sh tests/policy/check-wasm-policy.sh
sh tests/policy/check-third-batch-policy.sh

When adding a command, include its executable moon.pkg, implementation, README, generated interface, Cram cases, target declaration, and policy admission status. Cover normal and invalid arguments, stdin, missing paths, binary or large input where applicable, and denied side effects for operations that mutate external resources.

#Publishing

The module coordinate is mooxCLI/cmd, and all executable packages share one module version. The initial mooxCLI/cmd@0.1.0 release is published. A later release must pass the complete validation suite and explicitly document the commands included in that release.

#License

Licensed under the Apache License, Version 2.0.

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