lxc-debian: don't write C.* locales to /etc/locale.gen

Doing that confuses locale generation. lxc-ubuntu does the same check Signed-off-by: Antonio Terceiro <terceiro@debian.org>

lxc-debian: don't write C.* locales to /etc/locale.gen
c99055ea · Antonio Terceiro · b25c853b · c99055ea
Commit c99055ea authored Oct 27, 2017 by Antonio Terceiro
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lxc-debian.in templates/lxc-debian.in +1 -1

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--- a/templates/lxc-debian.in
+++ b/templates/lxc-debian.in
@@ -122,7 +122,7 @@ EOF
    # reconfigure some services

    # but first reconfigure locales - so we get no noisy perl-warnings
-    if [ -z "$LANG" ]; then
+    if [ -z "$LANG" ] || echo $LANG | grep -E -q "^C(\..+)*$"; then
        cat >> "$rootfs/etc/locale.gen" << EOF
 en_US.UTF-8 UTF-8
 EOF