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g2boojum |
1.1 |
GLEP: 50 |
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Title: Supporting alternative package managers |
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g2boojum |
1.2 |
Version: $Revision: 1.1 $ |
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Last-Modified: $Date: 2006/06/15 14:36:52 $ |
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g2boojum |
1.1 |
Author: Grant Goodyear <g2boojum@gentoo.org> |
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Status: Draft |
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Type: Standards Track |
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Content-Type: text/x-rst |
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Created: 22-May-2006 |
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Post-History: 15-Jun-2006 |
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Abstract |
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======== |
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To support alternatives to the official package manager (portage, at the time |
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of this writing), some sane ground rules need to be set. Specifically, no |
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alternative ebuild-based package manager may be added to the tree unless it |
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successfully works with all ebuilds supported by the official package manager. |
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Moreover, no ebuilds may be added to the tree unless they are supported |
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(without change) by the official package manager. |
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Specification |
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============= |
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* No alternative ebuild-based package manager may be added |
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to the tree unless it successfully works with all ebuilds supported by |
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the official package manager. If an alternative package manager is |
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runtime incompatible with the official package manager, then it |
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must be masked and provide appropriate warnings. |
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* No ebuilds may be added to the tree unless they are supported |
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(without change) by the official package manager. |
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Rationale |
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========= |
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The first rule sets a reasonable bar for adding an alternative package |
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manager to the tree. Note that if an ebuild currently in the tree |
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doesn't work with the official package manager, it isn't expected to |
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work with an alternative package manager either. The second rule |
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ensures that an alternative package manager cannot become a de-facto |
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requirement by supporting packages that the official package manager |
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cannot handle. |
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In order to keep this proposal as simple and focused as possible, it has |
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nothing to say about the process by which an alternative package manager |
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might one day become the official package manager. It is assumed that |
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sanity will reign, and no package manager will become official without |
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being able to build installation media, providing a transition path from |
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or to the existing official package manager, etcetera. |
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g2boojum |
1.2 |
Notes |
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===== |
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g2boojum |
1.1 |
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g2boojum |
1.2 |
* An early criticism of this GLEP was that it fails to address eclasses and |
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profiles. As far as eclasses are concerned, my view is that the above rules |
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suffice, since eclasses only matter in their use in ebuilds. If a package |
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manager can effectively process all ebuilds, then it must be handling the |
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eclasses successfully, too. Profiles, on the other hand, are not addressed |
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here even implicitly. |
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* Assuming the ebuild specification is successfully finished, then the |
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first rule should really replace "all ebuilds supported by the official |
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package manager" with "all ebuilds that satisfy the ebuild spec". |
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Similarly, in rule two "by the official package manager" should |
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read "by the official ebuild spec". |
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g2boojum |
1.1 |
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Backwards Compatibility |
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======================= |
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Pretty much the whole point, and it's explicit here. |
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Copyright |
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========= |
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This document has been placed in the public domain. |
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