# tauri-latest-json
[](https://crates.io/crates/tauri-latest-json)
[](https://docs.rs/tauri-latest-json)
[](LICENSE)
[](https://crates.io/crates/tauri-latest-json)
Generate a `latest.json` file for [Tauri](https://v2.tauri.app/) auto-updates, supporting multi-platform builds (Windows, macOS Intel/ARM, Linux).
This crate scans your Tauri `bundle` directory for installers and outputs a valid `latest.json` for the [Tauri Updater](https://v2.tauri.app/plugin/updater/).
## Features
- Detects installers: `.msi`, `.exe`, `.dmg` (Intel/ARM), `.AppImage`, `.deb`, `.rpm`, `.tar.gz`
- Auto-detects platform keys from filenames
- Reads version from `package.json` or `Cargo.toml`
- Generates a single multi-platform `latest.json`
- Works as both a library and a CLI
## Install
Library:
```toml
[dependencies]
tauri-latest-json = "0.2.4"
```
CLI:
```bash
cargo install tauri-latest-json
```
## CLI Usage
```bash
tauri-latest-json <download_url_base> <notes>
```
Example:
```bash
tauri-latest-json https://example.com/downloads "Initial release"
```
`latest.json` is written to the current working directory.
## Library Usage
```rust
use tauri_latest_json::generate_latest_json_auto;
fn main() {
let download_url = "https://example.com/downloads";
let notes = "Initial release";
generate_latest_json_auto(download_url, notes).unwrap();
}
```
## Example
```bash
cargo run --example basic
```
If the paths are correct, you’ll see:
```
✅ latest.json generated successfully
```
## Requirements
- Valid Tauri updater configuration (see the [Tauri Updater docs](https://v2.tauri.app/plugin/updater/))
- A Tauri signing key
```bash
pnpm tauri signer generate -w ~/.tauri/myapp.key
```
## Platform Detection
| `.msi`, `.exe` | `windows-x86_64` |
| `.dmg` (Intel) | `darwin-x86_64` |
| `.dmg` (ARM) | `darwin-aarch64` |
| `.AppImage`, `.deb`, `.rpm`, `.tar.gz` (x64) | `linux-x86_64` |
| `.AppImage`, `.deb`, `.rpm`, `.tar.gz` (ARM) | `linux-aarch64` |
## Contributing
See [CONTRIBUTING.md](CONTRIBUTING.md). Please also read our [Code of Conduct](CODE_OF_CONDUCT.md).
## License
MIT — see [LICENSE](LICENSE).