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Add %l as specifier for the hostname without any domain component

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As described in #15603, it is a fairly common setup to use a fqdn as the
configured hostname. But it is often convenient to use just the actual
hostname, i.e. until the first dot. This adds support in tmpfiles, sysusers,
and unit files for %l which expands to that.

Fixes #15603.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2020-05-07 17:36:44 +02:00
parent eef4b80033
commit e97708fa3e
12 changed files with 72 additions and 14 deletions
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man/systemd.unit.xml
+5
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@@ -1747,6 +1747,11 @@ Note that this setting is <emphasis>not</emphasis> influenced by the <varname>Us
<entry>Host name</entry>
<entry>The hostname of the running system at the point in time the unit configuration is loaded.</entry>
</row>
<row>
<entry><literal>%l</literal></entry>
<entry>Short host name</entry>
<entry>The hostname of the running system at the point in time the unit configuration is loaded, truncated at the first dot to remove any domain component.</entry>
</row>
<row>
<entry><literal>%i</literal></entry>
<entry>Instance name</entry>