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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
}
if ! getent group taler >/dev/null; then
groupadd mirror \
--system
fi
if ! getent passwd mirror >/dev/null; then
useradd mirror \
--comment 'Mirror' \
--gid mirror \
--system \
--home-dir /var/empty \
--shell /bin/false \
|| true
fi
chown mirror:mirror /var/log/mirror
preserve_perms etc/rc.d/rc.mirror.new
preserve_perms etc/mirror/config.json.new
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