Ciaran McCreesh wrote:
> * add src_fetch_extra or whatever to avoid doing the fetches in
> src_unpack.

good idea.

> * add pkg_scm_info. It outputs a string containing no spaces.

.live would need something a bit different.

> * When installing an scm package with suitable EAPI to VDB / exndbam,
> rewrite the scm version to -scm@THE_INFO_OUTPUT.

so -scm will have a @ metachar to point that what's following is the 
hash/revision/reference to avoid clashes.
The info output would consider branches and tags as well?

> * When updating an scm package, do src_fetch_extra then pkg_scm_info.
> At user option, if the pkg_scm_info value hasn't changed and it's a
> reinstall, skip reinstalling.

> * At user option, and not by default, do the fetch / info stage
> *before* showing the "this is what we'll install" list.

Sounds quite interesting.

-- 

Luca Barbato
Gentoo Council Member
Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero

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