marcoallegretti/WEFT_OS
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WEFT OS is a Wayland compositor and application runtime where every app is a WebAssembly component rendered in an isolated Servo WebView.
39 commits 1 branch 0 tags 472 KiB
Rust 88.9%
JavaScript 3.9%
HTML 3.7%
Nix 2.2%
Shell 1.2%
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Marco Allegretti 6d88104f28 feat(runtime): add wasmtime-runtime feature gate for real Wasm execution 
Cargo.toml:
- New feature: wasmtime-runtime = [dep:wasmtime, dep:wasmtime-wasi]
- Default is off so the normal build remains lightweight.
- wasmtime 30 and wasmtime-wasi 30 added as optional dependencies.

src/main.rs:
- run_module(wasm_path) replaces the inline stub.
- cfg(not(feature = wasmtime-runtime)): prints READY and returns.
  Preserves all existing test and development behaviour unchanged.
- cfg(feature = wasmtime-runtime): creates a Wasmtime Engine + Module,
  builds a WASI linker with inherited stdout/stderr, prints READY, then
  instantiates the module and calls _start.
  READY is printed before _start so weft-appd can record the session as
  Running before the app enters its event loop.

The production service binary is built with:
  cargo build -p weft-runtime --release --features wasmtime-runtime
2026-03-11 10:26:41 +01:00
.github/workflows ci: add libgbm-dev and libdrm-dev to linux-only job dependencies 2026-03-10 21:33:34 +01:00
crates feat(runtime): add wasmtime-runtime feature gate for real Wasm execution 2026-03-11 10:26:41 +01:00
docs docs: document Wasmtime integration plan for weft-runtime 2026-03-11 09:42:09 +01:00
infra infra: wire WEFT_RUNTIME_BIN into weft-appd service unit 2026-03-11 09:28:37 +01:00
protocol feat(compositor): implement weft-shell-protocol server side 2026-03-11 07:59:56 +01:00
scripts feat(pack): add weft-pack package validator tool 2026-03-11 09:40:34 +01:00
.gitattributes Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00
.gitignore Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00
Cargo.lock feat(pack): add weft-pack package validator tool 2026-03-11 09:40:34 +01:00
Cargo.toml feat(pack): add weft-pack package validator tool 2026-03-11 09:40:34 +01:00
justfile Add repository validation and CI checks 2026-03-10 18:47:16 +01:00
README.md Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00
rust-toolchain.toml Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00

README.md

WEFT OS

WEFT OS is a Linux-based operating system effort built around a Smithay compositor, a Servo-rendered system shell, and a Wasmtime-based application runtime.

Current repository scope

This repository currently contains:

  • the baseline Rust workspace
  • public engineering documentation derived from the authoritative blueprint
  • initial design documents for the shell protocol boundary and the Wasm–Servo channel
  • local and CI validation paths for repository bootstrap work

It does not yet contain a compositor, shell, or application runtime implementation.

Source of truth

The authoritative technical reference for this repository is docu_dev/WEFT-OS-COMPREHENSIVE-BLUEPRINT.md.

Historical blueprint documents exist in docu_dev/, but they are not implementation authority where they conflict with the comprehensive blueprint.

Privacy boundary

docu_dev/ is a private coordination area used during development. It is intentionally ignored by git and is not part of the tracked public repository surface.

Development model

  • Primary development host: Windows workstation
  • Primary runtime target: Linux VM or QEMU guest
  • Core system language: Rust

Validation

On Windows PowerShell:

./infra/scripts/check.ps1

On Linux:

./infra/scripts/check.sh

Repository layout

crates/      Rust workspace members
docs/        Public engineering documentation
infra/       Validation scripts and VM workflow material