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man: document that truncate:file happens per command line

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Lucas Werkmeister
2021-01-15 20:22:29 +01:00
parent 58b65c6d6d
commit d15b1a6c22
1 changed files with 6 additions and 2 deletions
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man/systemd.exec.xml
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@@ -2425,8 +2425,12 @@ SystemCallErrorNumber=EPERM</programlisting>
</para>
<para><option>truncate:<replaceable>path</replaceable></option> is similar to
<option>file:<replaceable>path</replaceable></option> above, but it truncates the file when opening it.
</para>
<option>file:<replaceable>path</replaceable></option> above, but it truncates the file when opening
it. For units with multiple command lines, e.g. <varname>Type=oneshot</varname> services with
multiple <varname>ExecStart=</varname>, or services with <varname>ExecCondition=</varname>,
<varname>ExecStartPre=</varname> or <varname>ExecStartPost=</varname>, the output file is reopened
and therefore re-truncated for each command line. Any <varname>ExecReload=</varname> will likewise
truncate the file when run.</para>
<para><option>socket</option> connects standard output to a socket acquired via socket activation. The
semantics are similar to the same option of <varname>StandardInput=</varname>, see above.</para>