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 $NEW } preserve_perms etc/rc.d/rc.heimdal.new config etc/krb5.conf-sample.new config var/heimdal/kdc.conf-sample.new # Add heimdal libs to the library search path if ! grep -q '^/usr/heimdal/lib$' etc/ld.so.conf ; then echo "/usr/heimdal/lib" >> etc/ld.so.conf fi