The xpkg from jlisee

xpkg's Introduction

Xpkg

Authors:	Joseph Lisee <[email protected]>
License:	BSD (3-Clause)

A cross platform package manager for C & C++ development.

Example usage (still a work in progress):

> xpkg init ~/projects/my-project/env my-project

> xpkg jump my-project

> xpkg install yaml-cpp

> xpkg list
  yaml-cpp - 1.2.0

> xpkg info yaml-cpp
   name: yaml-cpp
   version: 1.2.0
   description: YAML parser for C++
   files:
     - lib/yaml-cpp.so
     - include/yaml-cpp/yaml.hpp

> xpkg remove yaml-cpp

> xpkg list

When you jump into an environment you paths are modified so that you can access the binaries and libraries installed there. All installed packages are contained within that environment.

Design

Concepts:

Environment: directory which supports your application
- Properties of an environment: - name - packages - toolset - tree/repo?
- contains a set of installed packages (managed by the install database)
- structured like a linux/unix tree
- you "jump" into the environment
- tool can pick up on this with an environment variable
Install database:
- Manages information about the packages in an environment
Package tree:
- database of package descriptions
- can contain multiple version of each description
- initially will just be file tree
Package description:
- lists files needed
- instructions for building and configuring
- later:
  - instructions for packaging
  - customization of build (ie: with or without python, )
  - patching instructions
Package repository: Pile of binary packages
Binary Package: bundle of files with metadata
- either a zip or tar ball
- metadata:
  - manifest of files
  - info on platform & toolset
  - raw package file
- try to hold off on pre-post install scripts
Toolset: compiler, standard libraries, language revision
- Will need a way to specify compatibility between toolsets
Platform: for us this is the binary format and expected kernel

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