On Thu, Jul 11, 2019 at 11:39:10AM -0400, Mike Gilbert wrote: > On Wed, Jul 10, 2019 at 11:02 PM William Hubbs <willi...@gentoo.org> wrote: > > > Systemd already has IUSE=+sysv-utils which has a similar function: > > > [- ] sysv-utils > > > sys-apps/systemd: Install sysvinit compatibility symlinks and > > > manpages for init, telinit, halt, poweroff, reboot, runlevel, and > > > shutdown > > > > Actually, I like the name sysv-utils for this use flag; that seems to > > describe better what it does. > > > > > RDEPEND="sysv-utils? ( !sys-apps/sysvinit ) > > > !sysv-utils? ( sys-apps/sysvinit )" > > > > I like this, but the second branch (!sysv-utils) is not really needed, > > because if we put sysvinit as the first RDEPEND of virtual/init, we > > don't need to worry about installing it through rdepend in openrc. > > To clarify why this strange looking dependency is there in > sys-apps/systemd: I felt it was fairly important to always have init, > shutdown, etc. available to avoid breaking other tools and to prevent > confusion. systemd is technically usable without them, but you would > need to explicitly set up your bootloader to add > init=/lib/systemd/systemd to the kernel command line, and you would > need to call systemctl directly instead of using the symlinks to shut > the system down. Hey Mike,
I just looked at the systemd ebuild a second time and see that that is what you have, I missed it my first look, so I suppose that I should do things in a similar way to what you are doing. It would be worth discussing though, probably on another thread, the merrits of virtual/init. > Relying on any-of dependency ordering in a virtual package to > accomplish this is a bit optimistic. That can go wrong easily if the > user installs multiple providers. Where it would break is if a user uses --depclean without paying attention to what is happening on their system, but that can cause unexpected breakages anyway, this is not a unique situation. > > > We can also add sys-apps/openrc as an rdepend of sys-apps/sysvinit possibly. > > Please do not do this without consulting me first. This could > introduce a dependency conflict in sys-apps/systemd. I see that it could, so this might be a separate topic. William
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