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#!/bin/sh
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.ddclient.new
# Keep same perms on ddclient.conf.new:
# Normally, we don't bother with this for config files, but this one
# should usually be readable only by root, so that's how we'll install
# it. However, if the admin changes it, we don't want to undo that.
preserve_perms etc/ddclient/ddclient.conf.new
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