On Thu, 22 Jul 2010 20:40:53 +0200 Lennart Poettering <mzerqung@xxxxxxxxxxx> wrote: > On Thu, 22.07.10 08:05, Simo Sorce (ssorce@xxxxxxxxxx) wrote: > > > > to make real; give reality to (a hope, fear, plan, etc.). > > > > > > but its seems quite an abstract term to associate reality with an > > > abstract computer object. > > > > Dave, I am not a native speaker, but I have the exact (or may be > > even worse) problem. For as much as I try the syntax there is so > > obscure I cannot "realize" what it means *at all*, just by looking > > at it. > > > > > > Lennart, "realize" really is a bad bad bad choice, please consider > > changing it while there is still time. > > Kay and I have discussed this now. We agreed to fold systemd-install > into systemctl entirely, and replace --realize by --now. Also, we'll > drop some of the options --realize had, and always imply that the init > system configuration shall be reloaded after all changes took > place. This basically means that this > is what will be done in %post in the general case: > > if [ $1 -eq 1 ] ; then > systemctl enable foo.service > else > systemctl daemon-reload > > # Optionally, make the update daemon restart or reload its > configuration systemctl reload-or-try-restart foo.service > fi > > And for %preun it'll be: > > if [ $1 -eq 0 ] ; then > systemctl disable --now foo.service > fi > > Rationale: > > "systemctl enable" installs the unit file in the system by creating > the symlinks suggested in the unit file. It also implicitly reloads > the configuration so that the init system knows about the changes. > > "systemctl daemon-reload" simply tells the init system to reload its > configuration, no new symlinks are created. > > "systemctl reload-or-try-restart" tells the specified service to > reload its configuration if it supports that. If it doesn't the > daemon is restarted. This is identical to the LSB "force-reload" > verb. However we chose to name this differently because we found > "force-reload" not very descriptive. That said, the tool actually > understands "force-reload" too, as equivalent (but it's not > docuemnted). Something similar actually applies to condrestart. LSB > calls Fedora's condrestart try-restart. We found the LSB name more > descriptive and are advertising that, but we actually understand > "condrestart" as an alias for it too. Anyway, all I wanna say here is > that this nomenclature mostly stems from LSB though with some minimal > changes, and we also understand the unmodified LSB and RH names for > compat. > > "systemctl disable --now" removes the unit file symlinks from > /etc/systemd/system, terminates the unit before this and reloads the > init system configuration after this. The "--now" controls whether the > unit is stopped or not. > > I hope this simplification sounds good to many of you. Thanks, it looks *much* more understandable now! Simo. -- Simo Sorce * Red Hat, Inc * New York -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
