man: systemd.unit: move note about clearing lists (#7621)

This is mainly for drop-in files.
This commit is contained in:
Daniel Black 2017-12-14 15:51:23 +11:00 committed by Yu Watanabe
parent 314a6c0083
commit afbc75e686
1 changed files with 6 additions and 8 deletions

View File

@ -1603,13 +1603,6 @@ ExecStart=/usr/sbin/foo-daemon
disadvantage that some future updates by the vendor might be
incompatible with the local changes.</para>
<para>Note that for drop-in files, if one wants to remove
entries from a setting that is parsed as a list (and is not a
dependency), such as <varname>ConditionPathExists=</varname> (or
e.g. <varname>ExecStart=</varname> in service units), one needs
to first clear the list before re-adding all entries except the
one that is to be removed. See below for an example.</para>
<para>This also applies for user instances of systemd, but with
different locations for the unit files. See the section on unit
load paths for further details.</para>
@ -1681,7 +1674,12 @@ AssertPathExists=/srv/www
Nice=0
PrivateTmp=yes</programlisting>
<para>Note that dependencies (<varname>After=</varname>, etc.)
<para>Note that for drop-in files, if one wants to remove
entries from a setting that is parsed as a list (and is not a
dependency), such as <varname>AssertPathExists=</varname> (or
e.g. <varname>ExecStart=</varname> in service units), one needs
to first clear the list before re-adding all entries except the
one that is to be removed. Dependencies (<varname>After=</varname>, etc.)
cannot be reset to an empty list, so dependencies can only be
added in drop-ins. If you want to remove dependencies, you have
to override the entire unit.</para>