Bookeeper

A CLI mod manager for Baldur's Gate 3 on Linux/Steam.

Note: This is an experiment/prototype/weekend hack I built when switching to Linux on my gaming machine. It works for my use case but comes with limitations. Use at your own risk!

What It Does

• Activate/deactivate mods via symlinks
• Save and load mod profiles (different mod combinations)
• Install BG3 Script Extender (bg3se)
• Support multiple versions of the same mod
• Shell autocompletion (bash/zsh/fish/powershell)

Quick Start

# Install
go install github.com/GiGurra/bookeeper@latest

# See current status
bookeeper status

# Make a downloaded mod available
bookeeper mods make-available ~/Downloads/SomeMod.zip

# Activate a mod
bookeeper mods activate "ModName" "version"

# Save your mod setup as a profile
bookeeper profiles save my-profile

# Later, restore that profile
bookeeper profiles load my-profile

How It Works

1. Mod Storage: Mods live in ~/.local/share/bookeeper/downloaded_mods/
2. Activation: Creates symlinks from your mods to BG3's mod directory
3. modsettings.lsx: Automatically updated so BG3 loads the mods
4. Profiles: JSON files storing which mods are active

~/.local/share/bookeeper/
├── downloaded_mods/
│   └── ModName/
│       └── version/
│           ├── mod.pak
│           └── info.json
└── profiles/
    └── my-profile/
        └── profile.json

Key Commands

Command	Description
bookeeper status	Show everything (paths, active mods, profiles)
bookeeper mods activate <name> <version>	Activate a mod
bookeeper mods deactivate <name> <version>	Deactivate a mod
bookeeper mods make-available <zip>	Import a mod from zip
bookeeper profiles save <name>	Save current mods as profile
bookeeper profiles load <name>	Load a profile
bookeeper bg3se install	Install BG3 Script Extender

Limitations

This is a prototype with known limitations:

• No automatic mod downloading (manual zip download required)
• No mod dependency management
• No conflict detection
• Limited error handling
• Only tested on Linux/Steam
• Load order controlled by activation order only
• Mods must have valid info.json files

Documentation

Full documentation at gigurra.github.io/bookeeper

• Installation
• Basic Usage
• Profiles
• Troubleshooting
• Command Reference

License

MIT