From: Frederic Crozat <fcrozat@suse.com>
Date: Tue, 4 Dec 2012 16:51:32 +0000
Subject: handle root_uses_lang value in /etc/sysconfig/language

handle ROOT_USES_LANG=ctype (boo#792182).
---
 src/core/locale-setup.c |   40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

Index: systemd-228/src/core/locale-setup.c
===================================================================
--- systemd-228.orig/src/core/locale-setup.c
+++ systemd-228/src/core/locale-setup.c
@@ -30,11 +30,16 @@
 #include "strv.h"
 #include "util.h"
 #include "virt.h"
+#include "alloc-util.h"
 
 int locale_setup(char ***environment) {
         char **add;
         char *variables[_VARIABLE_LC_MAX] = {};
         int r = 0, i;
+#ifdef HAVE_SYSV_COMPAT
+        char _cleanup_free_ *rc_lang = NULL, *rc_lc_ctype = NULL;
+        char _cleanup_free_ *root_uses_lang = NULL;
+#endif
 
         if (detect_container() <= 0) {
                 r = parse_env_file("/proc/cmdline", WHITESPACE,
@@ -81,6 +86,41 @@ int locale_setup(char ***environment) {
                 if (r < 0 && r != -ENOENT)
                         log_warning_errno(r, "Failed to read /etc/locale.conf: %m");
         }
+#ifdef HAVE_SYSV_COMPAT
+        r = parse_env_file("/etc/sysconfig/language", NEWLINE,
+                           "RC_LANG", &rc_lang,
+                           "RC_LC_CTYPE", &rc_lc_ctype,
+                           "ROOT_USES_LANG", &root_uses_lang,
+                           NULL);
+
+        if (r < 0 && r != -ENOENT)
+                log_warning("Failed to read /etc/sysconfig/language: %s", strerror(-r));
+
+        /*
+         * Use the values of the interactive locale configuration in /etc/sysconfig/language
+         * as fallback if /etc/locale.conf does not exist and no locale was specified on the
+         * kernel's command line.  The special case ROOT_USES_LANG=ctype allows to set LC_CTYPE
+         * even if LANG for root is set to e.g. POSIX. But do this only if no LC_CTYPE has been
+         * set in /etc/locale.conf and on the kernel's command line.
+         */
+        if (root_uses_lang) {
+                if (strcaseeq(root_uses_lang, "yes") && !variables[VARIABLE_LANG]) {
+                        variables[VARIABLE_LANG] = rc_lang;
+                        rc_lang = NULL;
+                }
+                if (strcaseeq(root_uses_lang, "ctype") && !variables[VARIABLE_LC_CTYPE]) {
+                        if (variables[VARIABLE_LANG])
+                                variables[VARIABLE_LC_CTYPE] = strdup(variables[VARIABLE_LANG]);
+                        else if (rc_lc_ctype && *rc_lc_ctype) {
+                                variables[VARIABLE_LC_CTYPE] = rc_lc_ctype;
+                                rc_lc_ctype = NULL;
+                        } else if (rc_lang && *rc_lang) {
+                                variables[VARIABLE_LC_CTYPE] = rc_lang;
+                                rc_lang = NULL;
+                        }
+                }
+        }
+#endif
 
         add = NULL;
         for (i = 0; i < _VARIABLE_LC_MAX; i++) {