GRMLBASE/25-locales: fix check for presence of localepurge

It's not enough to check just for the *availability* of the
package but of course we need to actually check whether
localepurge is *installed*.

diff --git a/etc/grml/fai/config/scripts/GRMLBASE/25-locales b/etc/grml/fai/config/scripts/GRMLBASE/25-locales
index fc5fb3d..6dc4d66 100755 (executable)
--- a/etc/grml/fai/config/scripts/GRMLBASE/25-locales
+++ b/etc/grml/fai/config/scripts/GRMLBASE/25-locales
@@ -38,7 +38,7 @@ fi
 # make sure:
 # localepurge     localepurge/nopurge     multiselect ....
 # is set so localepurge works as expected
-if $ROOTCMD dpkg --list localepurge >/dev/null 2>&1 ; then
+if $ROOTCMD dpkg --list localepurge 2>&1 | grep -q '^ii' ; then
    $ROOTCMD dpkg-reconfigure -f noninteractive localepurge
 fi