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-rw-r--r--man/os-release.xml36
1 files changed, 36 insertions, 0 deletions
diff --git a/man/os-release.xml b/man/os-release.xml
index 7d799721de..0d7925f07a 100644
--- a/man/os-release.xml
+++ b/man/os-release.xml
@@ -145,6 +145,42 @@
</varlistentry>
<varlistentry>
+ <term><varname>ID_LIKE=</varname></term>
+
+ <listitem><para>A space-separated list
+ of operating system identifiers in the
+ same syntax as the
+ <varname>ID=</varname> setting. Should
+ list identifiers of operating systems
+ that are closely related to the local
+ operating system in regards to
+ packaging and programming interfaces,
+ for example listing one or more
+ distribution identifiers the local
+ distribution is a derivative
+ from. Build scripts and similar should
+ check this variable if they need to
+ identify the local operating system
+ and the value of
+ <varname>ID=</varname> is not
+ recognized. Operating systems should
+ be listed in order of how closely the
+ local operating system relates to the
+ listed ones, starting with the
+ closest. This field is
+ optional. Example: for an operating
+ system with
+ <literal>ID=centos</literal> an
+ assignment of <literal>ID_LIKE="rhel
+ fedora"</literal> would be
+ appropriate. For an operating systemd
+ with <literal>ID=ubuntu</literal> an
+ assignment of
+ <literal>ID_LIKE=debian</literal> is
+ appropriate.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><varname>VERSION_ID=</varname></term>
<listitem><para>A lower-case string