Am 21.12.2015 um 12:40 schrieb Jóhann B. Guðmundsson:
ExecStart=/usr/sbin/foobard $OPTS and then tell admin to use systemctl edit [Unit] Environment=OPTS=-baz bonus points if we could standardise the $OPTS var name across daemons. Then distros like Fedora could do a one-time migration of their settings in /etc/sysconfig/foobar and drop the file after the upgrade.This makes no sense.
for you!
Here you are just adding an extra line with no value on top of requiring some form of standardize the $OPTS var name across daemons ( as opposed to administrators simply change the value of the line directly ). Best practice and the least amount of work for administrator ( both in editing and for other administrators to keep taps on changes made by others ) is to copy/edit the entire unit.
only when you think in a short-termin a long term your service may break because you change the ExecStart and so miss new or changed parameters of the distro-package for example when a param is no longer supported and the new version fixes that with the shipped unit
Lennart can better explain what value he saw in introducing those snippets compared to that since he introduced them in the first place
nobody is taking that way, but the world is not black/white
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