rust-unattended

🚀 Production-grade unattended system upgrades written in Rust

rust-unattended replaces fragile shell scripts and distro-specific tooling with a secure, statically linked, systemd-native solution for automated OS updates.

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✨ Features

• ✅ Fully static MUSL binaries (no runtime deps)
• 🔒 Written in Rust (memory-safe, panic-aware)
• ⚙️ Native systemd services + timers
• 🔌 AC-power aware (safe for laptops)
• 📦 Clean .deb packages (amd64 + arm64)
• 🛑 Safe shutdown hook after upgrades
• 🚫 No Python, no Bash, no apt hooks

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📦 Installed Components

Path	Purpose
/usr/local/sbin/rust-unattended	Main upgrade runner
/usr/local/sbin/unattended-upgrade-shutdown	Post-upgrade shutdown helper
rust-unattended.service	Upgrade execution
rust-unattended.timer	Scheduled trigger
unattended-upgrade-shutdown.service	Shutdown hook

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🕒 Default Schedule

OnCalendar=daily
RandomizedDelaySec=1h
Persistent=true

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🔌 Laptop-Safe (AC Power Required)

Upgrades only run when AC power is connected.

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🧠 Logging

journalctl -u rust-unattended

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📥 Installation

sudo dpkg -i rust-unattended_*.deb

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▶️ Manual Run

sudo systemctl start rust-unattended.service

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🏗️ Build

cargo zigbuild --release --target x86_64-unknown-linux-musl
cargo zigbuild --release --target aarch64-unknown-linux-musl

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📄 License

MIT