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authorLennart Poettering <lennart@poettering.net>2014-06-13 19:45:52 +0200
committerLennart Poettering <lennart@poettering.net>2014-06-13 20:11:59 +0200
commit5ae4d543cb9b45ad6c6b82b78da1d6abc2291cdb (patch)
treecf4d8817660f9a2a828c16ce42392703a5ccd690 /man/kernel-install.xml
parentb0284aba93e8ccd415da5bbee86d84c12b1b9856 (diff)
os-release: define /usr/lib/os-release as fallback for /etc/os-release
The file should have been in /usr/lib/ in the first place, since it describes the OS container in /usr (and not the configuration in /etc), hence, let's support os-release files in /usr/lib as fallback if no version in /etc exists, following the usual override logic. A prior commit already enabled tmpfiles to create /etc/os-release as a symlink to /usr/lib/os-release should it be missing, thus providing nice compatibility with applications only checking in /etc. While it's probably a good idea if all apps check both locations via a fallback logic, it is only necessary in the early boot process, as long as the /etc/os-release symlink has not been restored, in case we boot with an empty /etc.
Diffstat (limited to 'man/kernel-install.xml')
-rw-r--r--man/kernel-install.xml17
1 files changed, 12 insertions, 5 deletions
diff --git a/man/kernel-install.xml b/man/kernel-install.xml
index 3612b7d934..178ad1d2bd 100644
--- a/man/kernel-install.xml
+++ b/man/kernel-install.xml
@@ -95,14 +95,20 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
<para>The kernel-install plugin <filename>50-depmod.install</filename> runs depmod for the <replaceable>KERNEL-VERSION</replaceable>.</para>
- <para>The kernel-install plugin <filename>90-loaderentry.install</filename> copies
+ <para>The kernel-install plugin
+ <filename>90-loaderentry.install</filename> copies
<replaceable>KERNEL-IMAGE</replaceable> to
<filename>/boot/<replaceable>MACHINE-ID</replaceable>/<replaceable>KERNEL-VERSION</replaceable>/linux</filename>.
- It also creates a boot loader entry according to the boot loader specification in
+ It also creates a boot loader entry according to the boot
+ loader specification in
<filename>/boot/loader/entries/<replaceable>MACHINE-ID</replaceable>-<replaceable>KERNEL-VERSION</replaceable>.conf</filename>.
- The title of the entry is the <replaceable>PRETTY_NAME</replaceable> parameter specified in <filename>/etc/os-release</filename>,
- or "Linux <replaceable>KERNEL-VERSION</replaceable>", if unset.
- If the file <filename>initrd</filename> is found next to the
+ The title of the entry is the
+ <replaceable>PRETTY_NAME</replaceable> parameter specified
+ in <filename>/etc/os-release</filename> or
+ <filename>/usr/lib/os-release</filename> (if the former is
+ missing), or "Linux
+ <replaceable>KERNEL-VERSION</replaceable>", if unset. If
+ the file <filename>initrd</filename> is found next to the
<filename>linux</filename> file, the initrd will be added to
the configuration.</para>
</listitem>
@@ -165,6 +171,7 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
<varlistentry>
<term>
<filename>/etc/os-release</filename>
+ <filename>/usr/lib/os-release</filename>
</term>
<listitem>
<para>The content of the file specifies the operating system title <replaceable>PRETTY_NAME</replaceable>.</para>