nevaforget
0d4a1b035a
Quality: - Q-5: Allow relative session commands (e.g. niri-session), greetd resolves PATH - Q-3: Socket read+write timeouts with proper error logging - Q-2: Remove unused PowerError::Timeout variant - Q-M1: i18n for all login_worker error messages (new: unexpected_greetd_response) - Q-M2: Explicit INVALID_LIST_POSITION check in session dropdown - Q-M4: Log SVG loader.close() errors instead of silencing - Q-M6: Testable persistence functions with proper roundtrip tests Security: - S-2: Validate GTK theme name (alphanumeric, _, -, +, . only) - S-3: Log file created with mode 0o640 - S-4: Cache files (last-user, last-session) created with mode 0o600 Performance: - P-3: Single symlink_metadata() call instead of exists() + is_symlink() - P-4: Avoid Vec allocation in IPC send_message (two write_all calls) Config: - Update example GTK theme to Colloid-Catppuccin
Moongreet
A greetd greeter for Wayland, built with Rust + GTK4 + gtk4-layer-shell. Part of the Moonarch ecosystem.
Features
- greetd IPC — Communicates via
$GREETD_SOCK(length-prefixed JSON) - User list — Parsed from
/etc/passwd(UID 1000–65533) - Avatars — AccountsService icons,
~/.facefallback, default SVG with theme tinting - Sessions — Discovered from
/usr/share/wayland-sessions/and/usr/share/xsessions/ - Last user/session — Remembered in
/var/cache/moongreet/ - Power actions — Reboot / Shutdown via
loginctl - Layer Shell — Fullscreen via gtk4-layer-shell (TOP layer)
- Multi-monitor — Greeter on primary, wallpaper on all monitors
- i18n — German and English (auto-detected from system locale)
- Faillock warning — Warns after 2 failed attempts, locked message after 3
Requirements
- GTK 4
- gtk4-layer-shell (for Wayland fullscreen)
- greetd
Building
cargo build --release
Installation
# Install binary
sudo install -Dm755 target/release/moongreet /usr/bin/moongreet
# Install config
sudo mkdir -p /etc/moongreet
sudo cp config/moongreet.toml /etc/moongreet/moongreet.toml
System Setup
-
Edit
/etc/moongreet/moongreet.toml— set an absolute path for the wallpaper. -
Create cache directory:
sudo mkdir -p /var/cache/moongreet/last-session sudo chown greeter:greeter /var/cache/moongreet -
Configure greetd (
/etc/greetd/config.toml):[default_session] command = "niri -c /etc/greetd/niri-greeter.kdl" user = "greeter"
Development
# Run tests
cargo test
# Build release
cargo build --release
# Run locally (without greetd, needs LD_PRELOAD for layer-shell)
LD_PRELOAD=/usr/lib/libgtk4-layer-shell.so ./target/release/moongreet
License
MIT