Re: [gentoo-portage-dev] custom profiles?

[Joakim Tjernlund]

On Wed, 2015-04-01 at 14:28 -0700, Zac Medico wrote:
> On 04/01/2015 02:00 PM, Joakim Tjernlund wrote:
> > On Mon, 2015-03-16 at 11:12 -0700, Zac Medico wrote:
> > > On 03/16/2015 09:31 AM, Joakim Tjernlund wrote:
> > > > On Sun, 2015-03-15 at 16:37 +0000, Joakim Tjernlund wrote:
> > > > > On Sat, 2015-03-14 at 14:02 -0700, Zac Medico wrote:
> > > > > >
> > > > > > You can set default USE flags in the profile, and then the users can override those settings
> > > > > > locally
> > > > > > (both
> > > > > > positively and negatively). You should not be using use.mask at all here. The profile can set
> > > > > > USE="-
> > > > > > flag"
> > > > > > in make.defaults, or in packages.use, and the user can override that without having to mess with
> > > > > > use.mask.
> > > > >
> > > > > That is how I started, I added -thin etc. to profile's package.use and it didn't work so I moved
> > > > > over
> > > > > to package.mask.
> > > > > Now when I try with -thin again in profile's package.use it actually works!
> > > > > I have no idea what got wrong the first time.
> > > > > Anyhow, thank you for your patience. I will continue moving over all Transmode stuff to our new
> > > > > profile
> > > > > the
> > > > > next few days :)
> > > >
> > > > hmm, spoke too fast. Negative USE flags in profiles package.use works on other
> > > > computers but mine :-(
> > > >
> > > > I have in profiles package.use:
> > > >  app-emulation/qemu usb usbredir vde qemu_user_targets_x86_64 xattr virtfs static-user -alsa -
> > > > pulseaudio -
> > > > bluetooth -opengl
> > > > but on my computer the -USE flags(-alsa -pulseaudio -bluetooth -opengl) have no effect.
> > > > I have been looking high and low what could case this but no luck, any pointers ?
> > >
> > > Maybe you have overridden the default USE_ORDER setting? You can use
> > > this command to check it:
> > >
> > >    portageq envvar USE_ORDER
> > >
> >
> > That was not it, however:
> > It seems like USE in /etc/portage/make.conf overrides any negative
> > USE flags in profiles/package.use ?
>
> Yes, this is a direct result of the default
> USE_ORDER="env:pkg:conf:defaults:pkginternal:repo:env.d" setting. Since
> "conf" comes before "defaults", make.conf overrides make.defaults. This
> allows local user settings to override profile settings, which should be
> intuitive for most people (I think).

For make.conf vs make.defaults yes but I am talking about package.use
I figured any USE setting in package.use for a specific pkg would override
any general USE setting in make.conf or make.defaults.
For package.use in /etc/portage this is true but not for 
package.use located in the profile.

>
> > Example
> >  /etc/portage/make.conf: USE=alsa
> >  .../profiles/package.use: app-emulation/qemu -alsa
> > Here USE=alsa overides app-emulation/qemu -alsa ?
> >
> > Seems asymmetric that you can only add but not subtract USE flags
> > in profiles/package.use.
>
> You can also subtract them, but it only works for settings that occurred
> earlier in the profile's make.defaults, in IUSE defaults, or in env.d (a
> direct result of the default USE_ORDER setting).

No, I can not subtract USE flags in profile/package.use if the same
flag is present in make.conf

 Jocke