# win-gm-switch (Rust)

Rust port of the old `gm-switch.cpp` from
`J621-Django/extras/fish_greeting system/`: a tiny CLI that sets the J621
shell greeting rating mode (0 = NSFW, 1 = SFW, 2 = Questionable).

## Usage

```
gm-switch --mode 0      # NSFW (explicit)
gm-switch --mode 1      # SFW (safe)
gm-switch --mode 2      # Questionable
gm-switch --status      # print the current mode
```

`--path <file>` overrides the mode file (also via the `J621_MODE_FILE`
environment variable). Invalid input prints the same usage/errors as the C++
tool and exits 1.

Mode file locations:

- **Windows**: `%APPDATA%\j621Greeting\greeting_mode` - read by
  [`../powershell_greeting/`](../powershell_greeting/).
- **Linux/macOS**: `~/.config/fish/greeting_mode` - read by
  [`../fish_greeting/`](../fish_greeting/), so this binary can stand in for
  the C++ tool there.

## Install (Windows)

```powershell
cd extras\win-gm-switch
.\install.ps1
```

The installer builds with `cargo build --release`, installs `gm-switch.exe`
to `%LOCALAPPDATA%\J621\bin`, adds that folder to your user PATH (new
terminals pick it up) and creates Start Menu shortcuts under **J621
Greeting** (NSFW / SFW / Questionable). Each shortcut opens a small console
showing the confirmation; close it with `exit` or the window button.

Uninstall:

```powershell
.\install.ps1 -Uninstall
```

## Build and test without installing

```powershell
cargo build --release   # -> target\release\gm-switch.exe
cargo test
```

Zero runtime dependencies (std only). The `target\` folder is gitignored.