Package Manager Specification
Originally the ebuild environment and the package handling process as a whole has been defined
by what Portage
In the past, the ebuild environment has been defined by what Portage has supported. With the
advent of alternative package managers, this ill-defined standard is no longer sufficient. The
Package Manager Specification (PMS) aims to solve this by defining, independent of any package
manager, what is and is not allowed in the tree, and what ebuilds may assume about their
It is also required to document what each value of the EAPI ebuild variable actually means. At
present PMS aims only to document EAPI=0, which will provide a base on top of which other
values may be defined. These other EAPI values will be added to the specification once their
meanings have been finalised.
The current PMS editors are:
Full list of contributors is included in the document. To get your contribution or to make a
change to the PMS, a bug should be reported via Gentoo's Bugzilla and assigned to firstname.lastname@example.org.