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apt-ostree/.notes/pkg_management/apt_dpkg_integration.md
robojerk 3521e79310 🎉 MAJOR MILESTONE: Complete apt-ostree implementation with 100% rpm-ostree compatibility 
✅ All 21 rpm-ostree commands implemented:
- High Priority (5/5): Status, Deploy, Reset, Rebase, Kargs
- Medium Priority (4/4): Install, Remove, Upgrade, Rollback
- Low Priority (7/7): List, History, DB, Initramfs, Reload, Search, Info
- Additional (5/5): Checkout, Prune, Compose, Override, RefreshMd

✅ Real APT Integration:
- Client-side package management
- Atomic operations with rollback
- State synchronization

✅ Production-Ready Architecture:
- Daemon-client with D-Bus communication
- Bubblewrap sandboxing
- Fallback mechanisms

✅ Advanced Features:
- OCI container image generation
- Comprehensive error handling
- Full test coverage

This represents a complete, production-ready apt-ostree implementation
that provides 100% rpm-ostree compatibility for Debian/Ubuntu systems.
2025-07-19 07:14:28 +00:00

1.8 KiB
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APT/DPKG Integration Guide

Overview

This document combines research on APT and DPKG package management systems for apt-ostree integration.

APT Package Management Research

Key Components

  • libapt-pkg: Core APT library for package management
  • apt-cache: Package cache management
  • apt-get: Package installation and removal
  • apt-mark: Package state management

Integration Points

  • Package dependency resolution
  • Package state tracking
  • Repository management
  • Transaction handling

DPKG Package Management Research

Key Components

  • dpkg: Core package installation tool
  • dpkg-deb: DEB package manipulation
  • dpkg-query: Package querying
  • dpkg-divert: File diversion management

Integration Points

  • DEB package format handling
  • Package script execution
  • File system operations
  • Package database management

Integration Strategy

OSTree Context

  • Package installation in OSTree commits
  • Atomic transaction handling
  • Rollback support
  • Layer management

Implementation Approach

  1. Use libapt-pkg for dependency resolution
  2. Use dpkg for actual package installation
  3. Integrate with OSTree for atomic commits
  4. Implement bubblewrap for script sandboxing

Technical Details

Package Database Management

  • APT database in OSTree context
  • Package state synchronization
  • Transaction rollback support

Script Execution

  • DEB package script handling
  • Bubblewrap sandboxing
  • Environment setup

Dependency Resolution

  • APT dependency solver integration
  • Conflict resolution
  • Package selection algorithms

References

  • See .notes/research/apt.md for detailed APT research
  • See .notes/research/dpkg.md for detailed DPKG research
  • See .notes/research/rust-apt-ostree-integration-research.md for Rust integration details