[arch-general] On /etc/conf.d deprecation
"Jérôme M. Berger"
jeberger at free.fr
Sun Dec 9 03:00:11 EST 2012
Dimitrios Apostolou wrote:
> Hello list,
> from a reply I got to a bug report (FS#32817, reply is private) I found
> out that configuration files in /etc/conf.d are deprecated and that the
> supported way is to replicate and customize service files.
> Imagine that in /usr unit file the daemon is being called as "binary
> -d". So I create the /etc unit file that supersedes it and calls it as
> "blah -d -n1". Then the package gets updated and the /usr unit file
> changes to "binary -d --lock=/whatever/path".
> As you can see I won't get the update because I've overriden the unit
> file, I won't get any warning either, but if the original unit file
> called "binary -d --lock=/whatever/path $BLAH_ARGS" there would have
> been no such problem.
> /etc/conf.d is a weaker but more elegant mechanism. I'm not saying it
> should replace unit files, but it should work *with* unit files, as the
> Arch way even if not in Freedesktop's - Fedora's recommendations. Of
> course anyone will still be free to copy and customize the unit file.
> So I'm curious to know why this mechanism was deprecated? Is it speed we
> gain by not including the EnvironmentFile directive in the systemd unit
> file? Is there some other reason I might be missing?
Note that this is not an isolated request. At least FS#32354,
FS#32336 and FS#32275 report the same for different packages.
Note also that the systemd devs have stated that although the right
way(tm) would be for all daemons to take their parameters from some
config file of their own, using EnvironmentFile is an acceptable
workaround for daemons that still take parameters from the command
line. See: http://0pointer.de/blog/projects/on-etc-sysinit.html
mailto:jeberger at free.fr
Jabber: jeberger at jabber.fr
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