Merge pull request #21868 from lucab/ups/factory-locale-conf

factory: populate /etc/locale.conf with systemd build-time setting

factory/templates/locale.conf.in

@@ -0,0 +1,3 @@
+# This is the fallback locale configuration provided by systemd.
+
+LANG="{{ SYSTEMD_DEFAULT_LOCALE }}"

factory/templates/meson.build

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+factory_etc_dir = factorydir / 'etc'
+
+custom_target(
+        'locale.conf',
+        input : 'locale.conf.in',
+        output : 'locale.conf',
+        command : [meson_render_jinja2, config_h, '@INPUT@', '@OUTPUT@'],
+        install : true,
+        install_dir : factory_etc_dir)

man/locale.conf.xml

@@ -32,7 +32,8 @@
 
     <para>The basic file format of <filename>locale.conf</filename> is
     a newline-separated list of environment-like shell-compatible
-    variable assignments. It is possible to source the configuration
+    variable assignments, ignoring comments and empty lines.
+    It is possible to source the configuration
     from shell scripts, however, beyond mere variable assignments, no
     shell features are supported, allowing applications to read the
     file without implementing a shell compatible execution
@@ -64,14 +65,14 @@
     might be checked for locale configuration as well, however only as
     fallback.</para>
 
-    <para><filename>/etc/locale.conf</filename> is usually created and updated
+    <para><filename>/etc/locale.conf</filename> can be updated
     using
     <citerefentry><refentrytitle>systemd-localed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
     <citerefentry project='man-pages'><refentrytitle>localectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
     may be used to alter the settings in this file during runtime from
     the command line. Use
     <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
-    to initialize them on mounted (but not booted) system images.</para>
+    to customize them on mounted (but not booted) system images.</para>
   </refsect1>
 
   <refsect1>
@@ -107,7 +108,9 @@
 
       <para><filename>/etc/locale.conf</filename>:</para>
 
-      <programlisting>LANG=de_DE.UTF-8
+      <programlisting># Custom settings
+
+LANG=de_DE.UTF-8
 LC_MESSAGES=en_US.UTF-8</programlisting>
     </example>
 

meson.build

@@ -3711,6 +3711,7 @@ subdir('docs/var-log')
 
 install_subdir('factory/etc',
                install_dir : factorydir)
+subdir('factory/templates')
 
 if install_sysconfdir
         install_data('xorg/50-systemd-user.sh',

tmpfiles.d/etc.conf.in

@@ -12,6 +12,7 @@ L+ /etc/mtab - - - - ../proc/self/mounts
 {% if HAVE_SMACK_RUN_LABEL %}
 t /etc/mtab - - - - security.SMACK64=_
 {% endif %}
+C! /etc/locale.conf - - - -
 C! /etc/nsswitch.conf - - - -
 {% if HAVE_PAM %}
 C! /etc/pam.d - - - -