Re: [gentoo-dev] When the version scheme changes

[Rémi Cardona]

Hi Marijn,

Marijn Schouten (hkBst) wrote:
> PV=${PV/0./}

MY_PV=...

As others have said, PV is read only.

> to that new ebuild. This is the cleanest way to do it and doesn't require any
> variable name changes or any other changes to the ebuild regardless of what it
> does. Unfortunately it is also illegal per current PMS as PV is a read-only
> variable. Right now I feel that the gain of having PV read-only (catch a few
> bugs?) is much lower than the pain (extensive ebuild-dependend changes when the
> version scheme changes). Please comment.

It's a pain, but then again, your old ebuilds are likely to go away as 
time passes, and the various hacks you've put in them will be long 
forgotten :)

There are only a couple cases were having PV writeable is a good idea. 
But let's keep this part of our ebuilds simple.

Right now, the section in devmanual that talks about PV is really short. 
Keeping it that way seems a good idea for potential new comers and old 
timers (that may forget stuff as time goes on) alike.

My 2 euro ¢

Cheers

Rémi
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