Filename: ////etc/cron.daily/////dpkg

#!/bin/sh dbdir=/var/lib/dpkg # Backup the 7 last versions of dpkg databases containing user data. if cd /var/backups ; then # We backup all relevant database files if any has changed, so that # the rotation number always contains an internally consistent set. dbchanged=no dbfiles="arch status diversions statoverride" for db in $dbfiles ; do if ! [ -s "dpkg.${db}.0" ] && ! [ -s "$dbdir/$db" ]; then # Special case the files not existing or being empty as being equal. continue elif ! cmp -s "dpkg.${db}.0" "$dbdir/$db"; then dbchanged=yes break fi done if [ "$dbchanged" = "yes" ] ; then for db in $dbfiles ; do if [ -e "$dbdir/$db" ]; then cp -p "$dbdir/$db" "dpkg.$db" else touch "dpkg.$db" fi savelog -c 7 "dpkg.$db" >/dev/null done fi # The alternatives database is independent from the dpkg database. dbalt=alternatives # XXX: Ideally we'd use --warning=none instead of discarding stderr, but # as of GNU tar 1.27.1, it does not seem to work reliably (see #749307). if ! test -e ${dbalt}.tar.0 || ! tar -df ${dbalt}.tar.0 -C $dbdir $dbalt >/dev/null 2>&1 ; then tar -cf ${dbalt}.tar -C $dbdir $dbalt >/dev/null 2>&1 savelog -c 7 ${dbalt}.tar >/dev/null fi fi

./Ninja\.