On Fri, 09 Aug 2013 11:58:11 +0300 Samuli Suominen <ssuomi...@gentoo.org> wrote:
> On 09/08/13 11:46, Tom Wijsman wrote: > > On Fri, 09 Aug 2013 08:39:20 +0300 > > Samuli Suominen <ssuomi...@gentoo.org> wrote: > > > >> On 09/08/13 04:05, Zac Medico wrote: > >> > >>> This seems like a possible applicatio for "mix-in" profiles like > >>> Funtoo uses: > >>> > >>> http://www.funtoo.org/wiki/Flavors_and_Mix-ins > > > > Thanks, that definitely looks interesting; reading it I actually > > would love to see this implemented to ease the user from switching > > from one to another init system, or whatever needs switching in the > > future. > > > >> What if eg. profiles/targets/desktop would have sub directory > >> > >> profiles/targets/desktop/systemd which would have a 'parent' of > >> '..' with USE="-consolekit systemd" and more importantly, the > >> could-be kludge to setup the /usr-move, the could-be environment > >> variable to disable functionality of gen_usr_ldscript... > >> > >> profiles/targets/desktop/gnome with 'parent' of '..' and > >> '../../systemd' ... > > > > Let me stop you right here; part of this idea came to mind > > yesterday, but I saw a flaw in it so I did not suggest it: > > > > What if a certain profile needs to support two such profiles (eg. > > upstart and systemd) that have conflicting choices (eg. one > > profile lists -systemd, the other systemd); then you can no longer > > list both as a parent as they will simply clash and make > > conflicting changes. > > Sure you can, simply by counter effecting the parent as suggested, if > parent lists '-systemd' then the actual profile can set 'systemd' > Plus it would be the main systemd sub profile that would be 'top > most' in the parent file, causing it to enable 'systemd' even if the > 'second top most' disables it > > > Of course this isn't a problem for this situation, but it may > > become a problem in a future situation if we're going to follow > > this practice; that's why I think now that mix-in profiles fit the > > purpose better. > > I'm not seeing the problem... Eh, I'm having a hard time to wrap my head around your paragraph; but I think that you're referring to different things than I do, so I don't really see how it can be done that way. Let's talk in terms of files. Let me pose it differently to get it more clear: profiles/targets/desktop/something with 'parent' of '..' and '../systemd' and '../upstart'. profiles/targets/desktop/systemd which sets some USE flags, masks and / or unmasks. profiles/targets/desktop/upstart which sets things that conflict with the systemd profile. If you now select profiles/targets/desktop/something; it doesn't allow you to run something with both systemd and upstart, 'cause it conflicts. What actual file change would you make to solve this? I don't see it... (If the user instead selects a mix-in on top of a profile, it works.) -- With kind regards, Tom Wijsman (TomWij) Gentoo Developer E-mail address : tom...@gentoo.org GPG Public Key : 6D34E57D GPG Fingerprint : C165 AF18 AB4C 400B C3D2 ABF0 95B2 1FCD 6D34 E57D
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