shepherd-launcher/CONTRIBUTING.md
2026-01-01 13:50:48 -05:00

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# For developers
## Build for development
### tl;dr
You need a Wayland-capable Linux system, Rust, and a small set of system
dependencies. Once installed, `./run-dev` will start a development instance.
### Requirements
1. **Linux with Wayland**
* Any modern Wayland compositor is sufficient. For Ubuntu, this means 25.10 or higher.
* Optional (but recommended for realistic testing): TPM-based full disk encryption and a BIOS/UEFI password to prevent local tampering.
2. **System dependencies**
* Platform-specific packages are required for building and running.
* View packages with: `./scripts/shepherd deps print dev`
* Install all dev dependencies: `./scripts/shepherd deps install dev`
* **Note**: Rust is automatically installed via rustup when installing build or dev dependencies.
### Unified script system
`shepherd-launcher` provides a unified script system for managing dependencies, building, and running:
```sh
# View and install dependencies
./scripts/shepherd deps print dev # List all dev dependencies
./scripts/shepherd deps install dev # Install all dev dependencies
# Build binaries
./scripts/shepherd build # Debug build
./scripts/shepherd build --release # Release build
# Development
./scripts/shepherd dev run # Build and run in nested Sway
```
For CI/build-only environments:
```sh
./scripts/shepherd deps install build # Build dependencies only
./scripts/shepherd build --release # Production build
```
For runtime-only systems:
```sh
./scripts/shepherd deps install run # Runtime dependencies only
```
See `./scripts/shepherd --help` for all available commands.
### Running in development
Start a development instance:
```sh
./run-dev
```
#### Adjusting the time
To avoid having to adjust the system clock or wait for timeouts, development
builds can mock the time with `SHEPHERD_MOCK_TIME`:
```sh
SHEPHERD_MOCK_TIME="2025-12-25 15:30:00" ./run-dev
```
Time and activity history are maintained in a SQLite database, which
`./run-dev` places at `./dev-runtime/data/shepherdd.db`. Edit this database
using a tool like [DB Browser for SQLite](https://sqlitebrowser.org/) while the
service is not running to inject application usage. The schema is defined in
the [shepherd-store crate](./crates/shepherd-store/).
### Testing and linting
Run the test suite:
```sh
cargo test
# as run in CI:
cargo test --all-targets
```
Run lint checks:
```sh
cargo clippy
# as run in CI:
cargo clippy --all-targets -- -D warnings
```
## Contribution guidelines
`shepherd-launcher` is licensed under the GPLv3 to preserve end-users' rights.
By submitting a pull request, you agree to license your contributions under the
GPLv3.
Contributions written in whole or in part by generative AI are allowed;
however, they will be reviewed as if you personally authored them. I highly
recommend adding substantial prompts and design docs provided to agents to
[docs/ai/history/](./docs/ai/history/) along with the PRs and commit hashes
associated with them.
The authors of `shepherd-launcher` do not condone software or media piracy.
Contributions that explicitly promote or facilitate piracy will be rejected.
Please support developers and creators by obtaining content legally.