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config() {
NEW="$1"
OLD="$(dirname $NEW)/$(basename $NEW .new)"
# If there's no config file by that name, mv it over:
if [ ! -r $OLD ]; then
mv $NEW $OLD
elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
# toss the redundant copy
rm $NEW
fi
# Otherwise, we leave the .new copy for the admin to consider...
}
preserve_perms() {
NEW="$1"
OLD="$(dirname $NEW)/$(basename $NEW .new)"
if [ -e $OLD ]; then
cp -a $OLD ${NEW}.incoming
cat $NEW > ${NEW}.incoming
mv ${NEW}.incoming $NEW
fi
config $NEW
}
preserve_perms etc/rc.d/rc.dovecot.new
for file in etc/dovecot/*.conf.new etc/dovecot/*.ext.new etc/dovecot/conf.d/*.conf.new etc/dovecot/conf.d/*.ext.new ; do
config $file
done
# Make sure that the dovecot user/group (UID 94, GID 94), and the
# postdrop user/group (UID 65, GID 95) exist on this system:
if ! grep -q "^dovecot:" etc/passwd ; then
echo "dovecot:x:94:94:User for Dovecot processes:/dev/null:/bin/false" >> etc/passwd
fi
if ! grep -q "^dovenull:" etc/passwd ; then
echo "dovenull:x:95:95:User for Dovecot login processing:/dev/null:/bin/false" >> etc/passwd
fi
if ! grep -q "^dovecot:" etc/group ; then
echo "dovecot:x:94:" >> etc/group
fi
if ! grep -q "^dovenull:" etc/group ; then
echo "dovenull:x:95:" >> etc/group
fi
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