Dne 28.7.2015 v 13:37 Neal Gompa napsal(a): > On Tue, Jul 28, 2015 at 5:37 AM, Florian Festi <ffe...@redhat.com > <mailto:ffe...@redhat.com>>wrote: > > On 07/28/2015 09:43 AM, Lubos Kardos wrote: > > Support in rpm is not enough but libsolv supports rich deps > since the version > > 0.6.9 too thus rich deps work also in hawkey and dnf if the > version 0.6.9 or > > a newer version of libsolv is installed. >
$ rpm -q libsolv libsolv-0.6.11-1.fc22.x86_64 Sounds great ... > > Right now only AND and OR is supported by libsolv. Implementation > of IF > ELSE is still pending. > > Also we still need to settle to a final syntax for the operators [1]. > Unfortunately there is no consensus among the other packaging formats > what to use. Right now rpm accepts 3 different styles: > * AND OR IF ELSE > * & | ? : > * && || ? : > But the final release will only support on of them. As soon as the > alpha > stops eating babies that's a discussion we need to have. > > So for now they are more a tech preview in Fedora but we want to get > them operational til the release. > Never thought about anything else than Rawhide ... > This still means that they are not > supposed to be used in F23 as they may only completely work very late. > Also there is still a lot of paper work to do for the packaging > policy. > > I expect that both Boolean Deps and File Triggers won't be > introduced in > one go but there will be multiple Fedora Features introducing them one > use case at a time. E.g. one feature per file trigger replacing > one kind > of scriptlets. Boolean dependencies being used for language packs > being > one Feature/Package Policy section and other use cases being others. > Just out of curiosity, do you have already any candidates for File Triggers? I suppose "/sbin/ldconfig" is one of them. Do you plan to have some F24 feature to get rid of these? > > This may start in the F24 time frame - especially for some urgent > corner > cases - but my guess is that this will rather take multiple releases. > > Florian > > [1] http://rpm.org/wiki/PackagerDocs/BooleanDependencies > > -- > > Red Hat GmbH, http://www.de.redhat.com/ Registered seat: Grasbrunn, > Commercial register: Amtsgericht Muenchen, HRB 153243, > Managing Directors: Charles Cachera, Michael Cunningham, Michael > O'Neill, Charles Peters > -- > devel mailing list > devel@lists.fedoraproject.org <mailto:devel@lists.fedoraproject.org> > https://admin.fedoraproject.org/mailman/listinfo/devel > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > > > Is there a reason why we can't maintain all three kinds? Also, why in > the world are bitwise operation operators supported for logical > operations? I'd be okay with maintaining options 1 and 3, to be honest. 1 and 3 looks good to me. Vít
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